thodg/libgit2/tests/diff/rename.c
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Hash : f673e232
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Date : 2018-12-27T13:47:34
git_error: use new names in internal APIs and usage Move to the `git_error` name in the internal API for error-related functions.
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tests/diff/rename.c
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#include "clar_libgit2.h" #include "diff_helpers.h" #include "buf_text.h" static git_repository *g_repo = NULL; void test_diff_rename__initialize(void) { g_repo = cl_git_sandbox_init("renames"); cl_repo_set_bool(g_repo, "core.autocrlf", false); } void test_diff_rename__cleanup(void) { cl_git_sandbox_cleanup(); } #define INITIAL_COMMIT "31e47d8c1fa36d7f8d537b96158e3f024de0a9f2" #define COPY_RENAME_COMMIT "2bc7f351d20b53f1c72c16c4b036e491c478c49a" #define REWRITE_COPY_COMMIT "1c068dee5790ef1580cfc4cd670915b48d790084" #define RENAME_MODIFICATION_COMMIT "19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13" #define REWRITE_DELETE_COMMIT "84d8efa38af7ace2b302de0adbda16b1f1cd2e1b" #define DELETE_RENAME_COMMIT "be053a189b0bbde545e0a3f59ce00b46ad29ce0d" /* * Renames repo has: * * commit 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 - * serving.txt (25 lines) * sevencities.txt (50 lines) * commit 2bc7f351d20b53f1c72c16c4b036e491c478c49a - * serving.txt -> sixserving.txt (rename, no change, 100% match) * sevencities.txt -> sevencities.txt (no change) * sevencities.txt -> songofseven.txt (copy, no change, 100% match) * commit 1c068dee5790ef1580cfc4cd670915b48d790084 * songofseven.txt -> songofseven.txt (major rewrite, <20% match - split) * sixserving.txt -> sixserving.txt (indentation change) * sixserving.txt -> ikeepsix.txt (copy, add title, >80% match) * sevencities.txt (no change) * commit 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13 * songofseven.txt -> untimely.txt (rename, convert to crlf) * ikeepsix.txt -> ikeepsix.txt (reorder sections in file) * sixserving.txt -> sixserving.txt (whitespace change - not just indent) * sevencities.txt -> songof7cities.txt (rename, small text changes) * commit 84d8efa38af7ace2b302de0adbda16b1f1cd2e1b * songof7cities.txt -> songof7citie.txt (major rewrite, <20% match) * ikeepsix.txt -> (deleted) * untimely.txt (no change) * sixserving.txt (no change) * commit be053a189b0bbde545e0a3f59ce00b46ad29ce0d * ikeepsix.txt -> (deleted) * songof7cities.txt -> ikeepsix.txt (rename, 100% match) * untimely.txt (no change) * sixserving.txt (no change) */ void test_diff_rename__match_oid(void) { const char *old_sha = INITIAL_COMMIT; const char *new_sha = COPY_RENAME_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; old_tree = resolve_commit_oid_to_tree(g_repo, old_sha); new_tree = resolve_commit_oid_to_tree(g_repo, new_sha); /* Must pass GIT_DIFF_INCLUDE_UNMODIFIED if you expect to emulate * --find-copies-harder during rename transformion... */ diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); /* git diff --no-renames \ * 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); /* git diff 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a * don't use NULL opts to avoid config `diff.renames` contamination */ opts.flags = GIT_DIFF_FIND_RENAMES; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); /* git diff --find-copies-harder \ * 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ opts.flags = GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); /* git diff --find-copies-harder -M100 -B100 \ * 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ opts.flags = GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED | GIT_DIFF_FIND_EXACT_MATCH_ONLY; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); } void test_diff_rename__checks_options_version(void) { const char *old_sha = INITIAL_COMMIT; const char *new_sha = COPY_RENAME_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; const git_error *err; old_tree = resolve_commit_oid_to_tree(g_repo, old_sha); new_tree = resolve_commit_oid_to_tree(g_repo, new_sha); diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.version = 0; cl_git_fail(git_diff_find_similar(diff, &opts)); err = git_error_last(); cl_assert_equal_i(GIT_ERROR_INVALID, err->klass); git_error_clear(); opts.version = 1024; cl_git_fail(git_diff_find_similar(diff, &opts)); err = git_error_last(); cl_assert_equal_i(GIT_ERROR_INVALID, err->klass); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); } void test_diff_rename__not_exact_match(void) { const char *sha0 = COPY_RENAME_COMMIT; const char *sha1 = REWRITE_COPY_COMMIT; const char *sha2 = RENAME_MODIFICATION_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; /* == Changes ===================================================== * songofseven.txt -> songofseven.txt (major rewrite, <20% match - split) * sixserving.txt -> sixserving.txt (indentation change) * sixserving.txt -> ikeepsix.txt (copy, add title, >80% match) * sevencities.txt (no change) */ old_tree = resolve_commit_oid_to_tree(g_repo, sha0); new_tree = resolve_commit_oid_to_tree(g_repo, sha1); /* Must pass GIT_DIFF_INCLUDE_UNMODIFIED if you expect to emulate * --find-copies-harder during rename transformion... */ diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); /* git diff --no-renames \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a \ * 1c068dee5790ef1580cfc4cd670915b48d790084 */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); /* git diff -M 2bc7f351d20b53f1c72c16c4b036e491c478c49a \ * 1c068dee5790ef1580cfc4cd670915b48d790084 * * must not pass NULL for opts because it will pick up environment * values for "diff.renames" and test won't be consistent. */ opts.flags = GIT_DIFF_FIND_RENAMES; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); git_diff_free(diff); /* git diff -M -C \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a \ * 1c068dee5790ef1580cfc4cd670915b48d790084 */ cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); git_diff_free(diff); /* git diff -M -C --find-copies-harder --break-rewrites \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a \ * 1c068dee5790ef1580cfc4cd670915b48d790084 */ cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.flags = GIT_DIFF_FIND_ALL; opts.break_rewrite_threshold = 70; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); git_diff_free(diff); /* == Changes ===================================================== * songofseven.txt -> untimely.txt (rename, convert to crlf) * ikeepsix.txt -> ikeepsix.txt (reorder sections in file) * sixserving.txt -> sixserving.txt (whitespace - not just indent) * sevencities.txt -> songof7cities.txt (rename, small text changes) */ git_tree_free(old_tree); old_tree = new_tree; new_tree = resolve_commit_oid_to_tree(g_repo, sha2); cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); /* git diff --no-renames \ * 1c068dee5790ef1580cfc4cd670915b48d790084 \ * 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13 */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(6, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); git_diff_free(diff); /* git diff -M -C \ * 1c068dee5790ef1580cfc4cd670915b48d790084 \ * 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13 */ cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); /* git diff -M -C --find-copies-harder --break-rewrites \ * 1c068dee5790ef1580cfc4cd670915b48d790084 \ * 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13 * with libgit2 default similarity comparison... */ cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); /* the default match algorithm is going to find the internal * whitespace differences in the lines of sixserving.txt to be * significant enough that this will decide to split it into an ADD * and a DELETE */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); /* git diff -M -C --find-copies-harder --break-rewrites \ * 1c068dee5790ef1580cfc4cd670915b48d790084 \ * 19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13 * with ignore_space whitespace comparision */ cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.flags = GIT_DIFF_FIND_ALL | GIT_DIFF_FIND_IGNORE_WHITESPACE; cl_git_pass(git_diff_find_similar(diff, &opts)); /* Ignoring whitespace, this should no longer split sixserver.txt */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); } void test_diff_rename__test_small_files(void) { git_index *index; git_reference *head_reference; git_commit *head_commit; git_tree *head_tree; git_tree *commit_tree; git_signature *signature; git_diff *diff; git_oid oid; const git_diff_delta *delta; git_diff_options diff_options = GIT_DIFF_OPTIONS_INIT; git_diff_find_options find_options = GIT_DIFF_FIND_OPTIONS_INIT; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_mkfile("renames/small.txt", "Hello World!\n"); cl_git_pass(git_index_add_bypath(index, "small.txt")); cl_git_pass(git_repository_head(&head_reference, g_repo)); cl_git_pass(git_reference_peel((git_object**)&head_commit, head_reference, GIT_OBJECT_COMMIT)); cl_git_pass(git_commit_tree(&head_tree, head_commit)); cl_git_pass(git_index_write_tree(&oid, index)); cl_git_pass(git_tree_lookup(&commit_tree, g_repo, &oid)); cl_git_pass(git_signature_new(&signature, "Rename", "rename@example.com", 1404157834, 0)); cl_git_pass(git_commit_create(&oid, g_repo, "HEAD", signature, signature, NULL, "Test commit", commit_tree, 1, (const git_commit**)&head_commit)); cl_git_mkfile("renames/copy.txt", "Hello World!\n"); cl_git_rmfile("renames/small.txt"); diff_options.flags = GIT_DIFF_INCLUDE_UNTRACKED; cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, commit_tree, &diff_options)); find_options.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_FOR_UNTRACKED; cl_git_pass(git_diff_find_similar(diff, &find_options)); cl_assert_equal_i(git_diff_num_deltas(diff), 1); delta = git_diff_get_delta(diff, 0); cl_assert_equal_i(delta->status, GIT_DELTA_RENAMED); cl_assert_equal_s(delta->old_file.path, "small.txt"); cl_assert_equal_s(delta->new_file.path, "copy.txt"); git_diff_free(diff); git_signature_free(signature); git_tree_free(commit_tree); git_tree_free(head_tree); git_commit_free(head_commit); git_reference_free(head_reference); git_index_free(index); } void test_diff_rename__working_directory_changes(void) { const char *sha0 = COPY_RENAME_COMMIT; const char *blobsha = "66311f5cfbe7836c27510a3ba2f43e282e2c8bba"; git_oid id; git_tree *tree; git_blob *blob; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; git_buf old_content = GIT_BUF_INIT, content = GIT_BUF_INIT;; tree = resolve_commit_oid_to_tree(g_repo, sha0); diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED | GIT_DIFF_INCLUDE_UNTRACKED; /* $ git cat-file -p 2bc7f351d20b53f1c72c16c4b036e491c478c49a^{tree} 100644 blob 66311f5cfbe7836c27510a3ba2f43e282e2c8bba sevencities.txt 100644 blob ad0a8e55a104ac54a8a29ed4b84b49e76837a113 sixserving.txt 100644 blob 66311f5cfbe7836c27510a3ba2f43e282e2c8bba songofseven.txt $ for f in *.txt; do echo `git hash-object -t blob $f` $f done eaf4a3e3bfe68585e90cada20736ace491cd100b ikeepsix.txt f90d4fc20ecddf21eebe6a37e9225d244339d2b5 sixserving.txt 4210ffd5c390b21dd5483375e75288dea9ede512 songof7cities.txt 9a69d960ae94b060f56c2a8702545e2bb1abb935 untimely.txt */ cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &diffopts)); /* git diff --no-renames 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(6, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); /* git diff -M 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNTRACKED]); git_diff_free(diff); /* rewrite files in the working directory with / without CRLF changes */ cl_git_pass( git_futils_readbuffer(&old_content, "renames/songof7cities.txt")); cl_git_pass( git_buf_text_lf_to_crlf(&content, &old_content)); cl_git_pass( git_futils_writebuffer(&content, "renames/songof7cities.txt", 0, 0)); cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &diffopts)); /* git diff -M 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNTRACKED]); git_diff_free(diff); /* try a different whitespace option */ cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &diffopts)); opts.flags = GIT_DIFF_FIND_ALL | GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE; opts.rename_threshold = 70; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(6, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); git_diff_free(diff); /* try a different matching option */ cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &diffopts)); opts.flags = GIT_DIFF_FIND_ALL | GIT_DIFF_FIND_EXACT_MATCH_ONLY; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(6, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNTRACKED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); git_diff_free(diff); /* again with exact match blob */ cl_git_pass(git_oid_fromstr(&id, blobsha)); cl_git_pass(git_blob_lookup(&blob, g_repo, &id)); cl_git_pass(git_buf_set( &content, git_blob_rawcontent(blob), (size_t)git_blob_rawsize(blob))); cl_git_rewritefile("renames/songof7cities.txt", content.ptr); git_blob_free(blob); cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, tree, &diffopts)); opts.flags = GIT_DIFF_FIND_ALL | GIT_DIFF_FIND_EXACT_MATCH_ONLY; cl_git_pass(git_diff_find_similar(diff, &opts)); /* fprintf(stderr, "\n\n"); diff_print_raw(stderr, diff); */ memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNTRACKED]); git_diff_free(diff); git_tree_free(tree); git_buf_dispose(&content); git_buf_dispose(&old_content); } void test_diff_rename__patch(void) { const char *sha0 = COPY_RENAME_COMMIT; const char *sha1 = REWRITE_COPY_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; git_patch *patch; const git_diff_delta *delta; git_buf buf = GIT_BUF_INIT; const char *expected = "diff --git a/sixserving.txt b/ikeepsix.txt\nindex ad0a8e5..36020db 100644\n--- a/sixserving.txt\n+++ b/ikeepsix.txt\n@@ -1,3 +1,6 @@\n+I Keep Six Honest Serving-Men\n+=============================\n+\n I KEEP six honest serving-men\n (They taught me all I knew);\n Their names are What and Why and When\n@@ -21,4 +24,4 @@ She sends'em abroad on her own affairs,\n One million Hows, two million Wheres,\n And seven million Whys!\n \n- -- Rudyard Kipling\n+ -- Rudyard Kipling\n"; old_tree = resolve_commit_oid_to_tree(g_repo, sha0); new_tree = resolve_commit_oid_to_tree(g_repo, sha1); diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, old_tree, new_tree, &diffopts)); opts.flags = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES; cl_git_pass(git_diff_find_similar(diff, &opts)); /* == Changes ===================================================== * sixserving.txt -> ikeepsix.txt (copy, add title, >80% match) * sevencities.txt (no change) * sixserving.txt -> sixserving.txt (indentation change) * songofseven.txt -> songofseven.txt (major rewrite, <20% match - split) */ cl_assert_equal_i(4, (int)git_diff_num_deltas(diff)); cl_git_pass(git_patch_from_diff(&patch, diff, 0)); cl_assert((delta = git_patch_get_delta(patch)) != NULL); cl_assert_equal_i(GIT_DELTA_COPIED, (int)delta->status); cl_git_pass(git_patch_to_buf(&buf, patch)); cl_assert_equal_s(expected, buf.ptr); git_buf_dispose(&buf); git_patch_free(patch); cl_assert((delta = git_diff_get_delta(diff, 1)) != NULL); cl_assert_equal_i(GIT_DELTA_UNMODIFIED, (int)delta->status); cl_assert((delta = git_diff_get_delta(diff, 2)) != NULL); cl_assert_equal_i(GIT_DELTA_MODIFIED, (int)delta->status); cl_assert((delta = git_diff_get_delta(diff, 3)) != NULL); cl_assert_equal_i(GIT_DELTA_MODIFIED, (int)delta->status); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); } void test_diff_rename__file_exchange(void) { git_buf c1 = GIT_BUF_INIT, c2 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; cl_git_pass(git_futils_readbuffer(&c1, "renames/untimely.txt")); cl_git_pass(git_futils_readbuffer(&c2, "renames/songof7cities.txt")); cl_git_pass(git_futils_writebuffer(&c1, "renames/songof7cities.txt", 0, 0)); cl_git_pass(git_futils_writebuffer(&c2, "renames/untimely.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_add_bypath(index, "songof7cities.txt")); cl_git_pass(git_index_add_bypath(index, "untimely.txt")); cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); git_buf_dispose(&c2); } void test_diff_rename__file_exchange_three(void) { git_buf c1 = GIT_BUF_INIT, c2 = GIT_BUF_INIT, c3 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; cl_git_pass(git_futils_readbuffer(&c1, "renames/untimely.txt")); cl_git_pass(git_futils_readbuffer(&c2, "renames/songof7cities.txt")); cl_git_pass(git_futils_readbuffer(&c3, "renames/ikeepsix.txt")); cl_git_pass(git_futils_writebuffer(&c1, "renames/ikeepsix.txt", 0, 0)); cl_git_pass(git_futils_writebuffer(&c2, "renames/untimely.txt", 0, 0)); cl_git_pass(git_futils_writebuffer(&c3, "renames/songof7cities.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_add_bypath(index, "songof7cities.txt")); cl_git_pass(git_index_add_bypath(index, "untimely.txt")); cl_git_pass(git_index_add_bypath(index, "ikeepsix.txt")); cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); git_buf_dispose(&c2); git_buf_dispose(&c3); } void test_diff_rename__file_partial_exchange(void) { git_buf c1 = GIT_BUF_INIT, c2 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; int i; cl_git_pass(git_futils_readbuffer(&c1, "renames/untimely.txt")); cl_git_pass(git_futils_writebuffer(&c1, "renames/songof7cities.txt", 0, 0)); for (i = 0; i < 100; ++i) cl_git_pass(git_buf_puts(&c2, "this is not the content you are looking for\n")); cl_git_pass(git_futils_writebuffer(&c2, "renames/untimely.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_add_bypath(index, "songof7cities.txt")); cl_git_pass(git_index_add_bypath(index, "untimely.txt")); cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); git_buf_dispose(&c2); } void test_diff_rename__rename_and_copy_from_same_source(void) { git_buf c1 = GIT_BUF_INIT, c2 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; /* put the first 2/3 of file into one new place * and the second 2/3 of file into another new place */ cl_git_pass(git_futils_readbuffer(&c1, "renames/songof7cities.txt")); cl_git_pass(git_buf_set(&c2, c1.ptr, c1.size)); git_buf_truncate(&c1, c1.size * 2 / 3); git_buf_consume(&c2, ((char *)c2.ptr) + (c2.size / 3)); cl_git_pass(git_futils_writebuffer(&c1, "renames/song_a.txt", 0, 0)); cl_git_pass(git_futils_writebuffer(&c2, "renames/song_b.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_add_bypath(index, "song_a.txt")); cl_git_pass(git_index_add_bypath(index, "song_b.txt")); diffopts.flags = GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(6, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(4, exp.file_status[GIT_DELTA_UNMODIFIED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(6, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_COPIED]); cl_assert_equal_i(4, exp.file_status[GIT_DELTA_UNMODIFIED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); git_buf_dispose(&c2); } void test_diff_rename__from_deleted_to_split(void) { git_buf c1 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; /* old file is missing, new file is actually old file renamed */ cl_git_pass(git_futils_readbuffer(&c1, "renames/songof7cities.txt")); cl_git_pass(git_futils_writebuffer(&c1, "renames/untimely.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_remove_bypath(index, "songof7cities.txt")); cl_git_pass(git_index_add_bypath(index, "untimely.txt")); diffopts.flags = GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNMODIFIED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_UNMODIFIED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); } struct rename_expected { size_t len; unsigned int *status; const char **sources; const char **targets; size_t idx; }; int test_names_expected(const git_diff_delta *delta, float progress, void *p) { struct rename_expected *expected = p; GIT_UNUSED(progress); cl_assert(expected->idx < expected->len); cl_assert_equal_i(delta->status, expected->status[expected->idx]); cl_assert(git__strcmp(expected->sources[expected->idx], delta->old_file.path) == 0); cl_assert(git__strcmp(expected->targets[expected->idx], delta->new_file.path) == 0); expected->idx++; return 0; } void test_diff_rename__rejected_match_can_match_others(void) { git_reference *head, *selfsimilar; git_index *index; git_tree *tree; git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; git_buf one = GIT_BUF_INIT, two = GIT_BUF_INIT; unsigned int status[] = { GIT_DELTA_RENAMED, GIT_DELTA_RENAMED }; const char *sources[] = { "Class1.cs", "Class2.cs" }; const char *targets[] = { "ClassA.cs", "ClassB.cs" }; struct rename_expected expect = { 2, status, sources, targets }; char *ptr; opts.checkout_strategy = GIT_CHECKOUT_FORCE; findopts.flags = GIT_DIFF_FIND_RENAMES; cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD")); cl_git_pass(git_reference_symbolic_set_target( &selfsimilar, head, "refs/heads/renames_similar", NULL)); cl_git_pass(git_checkout_head(g_repo, &opts)); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_futils_readbuffer(&one, "renames/Class1.cs")); cl_git_pass(git_futils_readbuffer(&two, "renames/Class2.cs")); cl_git_pass(p_unlink("renames/Class1.cs")); cl_git_pass(p_unlink("renames/Class2.cs")); cl_git_pass(git_index_remove_bypath(index, "Class1.cs")); cl_git_pass(git_index_remove_bypath(index, "Class2.cs")); cl_assert(ptr = strstr(one.ptr, "Class1")); ptr[5] = 'A'; cl_assert(ptr = strstr(two.ptr, "Class2")); ptr[5] = 'B'; cl_git_pass( git_futils_writebuffer(&one, "renames/ClassA.cs", O_RDWR|O_CREAT, 0777)); cl_git_pass( git_futils_writebuffer(&two, "renames/ClassB.cs", O_RDWR|O_CREAT, 0777)); cl_git_pass(git_index_add_bypath(index, "ClassA.cs")); cl_git_pass(git_index_add_bypath(index, "ClassB.cs")); cl_git_pass(git_index_write(index)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass( git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); cl_git_pass(git_diff_find_similar(diff, &findopts)); cl_git_pass(git_diff_foreach( diff, test_names_expected, NULL, NULL, NULL, &expect)); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_reference_free(head); git_reference_free(selfsimilar); git_buf_dispose(&one); git_buf_dispose(&two); } static void write_similarity_file_two(const char *filename, size_t b_lines) { git_buf contents = GIT_BUF_INIT; size_t i; for (i = 0; i < b_lines; i++) git_buf_printf(&contents, "%02d - bbbbb\r\n", (int)(i+1)); for (i = b_lines; i < 50; i++) git_buf_printf(&contents, "%02d - aaaaa%s", (int)(i+1), (i == 49 ? "" : "\r\n")); cl_git_pass( git_futils_writebuffer(&contents, filename, O_RDWR|O_CREAT, 0777)); git_buf_dispose(&contents); } void test_diff_rename__rejected_match_can_match_others_two(void) { git_reference *head, *selfsimilar; git_index *index; git_tree *tree; git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; unsigned int status[] = { GIT_DELTA_RENAMED, GIT_DELTA_RENAMED }; const char *sources[] = { "a.txt", "b.txt" }; const char *targets[] = { "c.txt", "d.txt" }; struct rename_expected expect = { 2, status, sources, targets }; opts.checkout_strategy = GIT_CHECKOUT_FORCE; findopts.flags = GIT_DIFF_FIND_RENAMES; cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD")); cl_git_pass(git_reference_symbolic_set_target( &selfsimilar, head, "refs/heads/renames_similar_two", NULL)); cl_git_pass(git_checkout_head(g_repo, &opts)); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(p_unlink("renames/a.txt")); cl_git_pass(p_unlink("renames/b.txt")); cl_git_pass(git_index_remove_bypath(index, "a.txt")); cl_git_pass(git_index_remove_bypath(index, "b.txt")); write_similarity_file_two("renames/c.txt", 7); write_similarity_file_two("renames/d.txt", 8); cl_git_pass(git_index_add_bypath(index, "c.txt")); cl_git_pass(git_index_add_bypath(index, "d.txt")); cl_git_pass(git_index_write(index)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass( git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); cl_git_pass(git_diff_find_similar(diff, &findopts)); cl_git_pass(git_diff_foreach( diff, test_names_expected, NULL, NULL, NULL, &expect)); cl_assert(expect.idx > 0); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_reference_free(head); git_reference_free(selfsimilar); } void test_diff_rename__rejected_match_can_match_others_three(void) { git_reference *head, *selfsimilar; git_index *index; git_tree *tree; git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; /* Both cannot be renames from a.txt */ unsigned int status[] = { GIT_DELTA_ADDED, GIT_DELTA_RENAMED }; const char *sources[] = { "0001.txt", "a.txt" }; const char *targets[] = { "0001.txt", "0002.txt" }; struct rename_expected expect = { 2, status, sources, targets }; opts.checkout_strategy = GIT_CHECKOUT_FORCE; findopts.flags = GIT_DIFF_FIND_RENAMES; cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD")); cl_git_pass(git_reference_symbolic_set_target( &selfsimilar, head, "refs/heads/renames_similar_two", NULL)); cl_git_pass(git_checkout_head(g_repo, &opts)); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(p_unlink("renames/a.txt")); cl_git_pass(git_index_remove_bypath(index, "a.txt")); write_similarity_file_two("renames/0001.txt", 7); write_similarity_file_two("renames/0002.txt", 0); cl_git_pass(git_index_add_bypath(index, "0001.txt")); cl_git_pass(git_index_add_bypath(index, "0002.txt")); cl_git_pass(git_index_write(index)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass( git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); cl_git_pass(git_diff_find_similar(diff, &findopts)); cl_git_pass(git_diff_foreach( diff, test_names_expected, NULL, NULL, NULL, &expect)); cl_assert(expect.idx == expect.len); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_reference_free(head); git_reference_free(selfsimilar); } void test_diff_rename__can_rename_from_rewrite(void) { git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; unsigned int status[] = { GIT_DELTA_RENAMED, GIT_DELTA_RENAMED }; const char *sources[] = { "ikeepsix.txt", "songof7cities.txt" }; const char *targets[] = { "songof7cities.txt", "this-is-a-rename.txt" }; struct rename_expected expect = { 2, status, sources, targets }; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(p_rename("renames/songof7cities.txt", "renames/this-is-a-rename.txt")); cl_git_pass(p_rename("renames/ikeepsix.txt", "renames/songof7cities.txt")); cl_git_pass(git_index_remove_bypath(index, "ikeepsix.txt")); cl_git_pass(git_index_add_bypath(index, "songof7cities.txt")); cl_git_pass(git_index_add_bypath(index, "this-is-a-rename.txt")); cl_git_pass(git_index_write(index)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass( git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); findopts.flags |= GIT_DIFF_FIND_AND_BREAK_REWRITES | GIT_DIFF_FIND_REWRITES | GIT_DIFF_FIND_RENAMES_FROM_REWRITES; cl_git_pass(git_diff_find_similar(diff, &findopts)); cl_git_pass(git_diff_foreach( diff, test_names_expected, NULL, NULL, NULL, &expect)); cl_assert(expect.idx == expect.len); git_diff_free(diff); git_tree_free(tree); git_index_free(index); } void test_diff_rename__case_changes_are_split(void) { git_index *index; git_tree *tree; git_diff *diff = NULL; diff_expects exp; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(p_rename("renames/ikeepsix.txt", "renames/IKEEPSIX.txt")); cl_git_pass(git_index_remove_bypath(index, "ikeepsix.txt")); cl_git_pass(git_index_add_bypath(index, "IKEEPSIX.txt")); cl_git_pass(git_index_write(index)); cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, NULL)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(1, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_index_free(index); git_tree_free(tree); } void test_diff_rename__unmodified_can_be_renamed(void) { git_index *index; git_tree *tree; git_diff *diff = NULL; diff_expects exp; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(p_rename("renames/ikeepsix.txt", "renames/ikeepsix2.txt")); cl_git_pass(git_index_remove_bypath(index, "ikeepsix.txt")); cl_git_pass(git_index_add_bypath(index, "ikeepsix2.txt")); cl_git_pass(git_index_write(index)); cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(1, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(1, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_index_free(index); git_tree_free(tree); } void test_diff_rename__rewrite_on_single_file(void) { git_index *index; git_diff *diff = NULL; diff_expects exp; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; diffopts.flags = GIT_DIFF_INCLUDE_UNTRACKED; findopts.flags = GIT_DIFF_FIND_FOR_UNTRACKED | GIT_DIFF_FIND_AND_BREAK_REWRITES | GIT_DIFF_FIND_RENAMES_FROM_REWRITES; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_rewritefile("renames/ikeepsix.txt", "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n" \ "This is enough content for the file to be rewritten.\n"); cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, &diffopts)); cl_git_pass(git_diff_find_similar(diff, &findopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); git_diff_free(diff); git_index_free(index); } void test_diff_rename__can_find_copy_to_split(void) { git_buf c1 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; cl_git_pass(git_futils_readbuffer(&c1, "renames/songof7cities.txt")); cl_git_pass(git_futils_writebuffer(&c1, "renames/untimely.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_add_bypath(index, "untimely.txt")); diffopts.flags = GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNMODIFIED]); opts.flags = GIT_DIFF_FIND_ALL; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNMODIFIED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); } void test_diff_rename__can_delete_unmodified_deltas(void) { git_buf c1 = GIT_BUF_INIT; git_index *index; git_tree *tree; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; cl_git_pass(git_futils_readbuffer(&c1, "renames/songof7cities.txt")); cl_git_pass(git_futils_writebuffer(&c1, "renames/untimely.txt", 0, 0)); cl_git_pass( git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}")); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_read_tree(index, tree)); cl_git_pass(git_index_add_bypath(index, "untimely.txt")); diffopts.flags = GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(3, exp.file_status[GIT_DELTA_UNMODIFIED]); opts.flags = GIT_DIFF_FIND_ALL | GIT_DIFF_FIND_REMOVE_UNMODIFIED; cl_git_pass(git_diff_find_similar(diff, &opts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); git_diff_free(diff); git_tree_free(tree); git_index_free(index); git_buf_dispose(&c1); } void test_diff_rename__matches_config_behavior(void) { const char *sha0 = INITIAL_COMMIT; const char *sha1 = COPY_RENAME_COMMIT; const char *sha2 = REWRITE_COPY_COMMIT; git_tree *tree0, *tree1, *tree2; git_config *cfg; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; opts.flags = GIT_DIFF_FIND_BY_CONFIG; tree0 = resolve_commit_oid_to_tree(g_repo, sha0); tree1 = resolve_commit_oid_to_tree(g_repo, sha1); tree2 = resolve_commit_oid_to_tree(g_repo, sha2); diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; cl_git_pass(git_repository_config(&cfg, g_repo)); /* diff.renames = false; no rename detection should happen */ cl_git_pass(git_config_set_bool(cfg, "diff.renames", false)); cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree0, tree1, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, &opts)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); git_diff_free(diff); /* diff.renames = true; should act like -M */ cl_git_pass(git_config_set_bool(cfg, "diff.renames", true)); cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree0, tree1, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, &opts)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(3, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); /* diff.renames = copies; should act like -M -C */ cl_git_pass(git_config_set_string(cfg, "diff.renames", "copies")); cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree1, tree2, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, &opts)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); git_diff_free(diff); /* NULL find options is the same as GIT_DIFF_FIND_BY_CONFIG */ cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree1, tree2, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, NULL)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); git_diff_free(diff); /* Cleanup */ git_tree_free(tree0); git_tree_free(tree1); git_tree_free(tree2); git_config_free(cfg); } void test_diff_rename__can_override_thresholds_when_obeying_config(void) { const char *sha1 = COPY_RENAME_COMMIT; const char *sha2 = REWRITE_COPY_COMMIT; git_tree *tree1, *tree2; git_config *cfg; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; tree1 = resolve_commit_oid_to_tree(g_repo, sha1); tree2 = resolve_commit_oid_to_tree(g_repo, sha2); diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; opts.flags = GIT_DIFF_FIND_BY_CONFIG; cl_git_pass(git_repository_config(&cfg, g_repo)); cl_git_pass(git_config_set_string(cfg, "diff.renames", "copies")); git_config_free(cfg); /* copy threshold = 96%, should see creation of ikeepsix.txt */ opts.copy_threshold = 96; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree1, tree2, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, &opts)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); git_diff_free(diff); /* copy threshold = 20%, should see sixserving.txt => ikeepsix.txt */ opts.copy_threshold = 20; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree1, tree2, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, &opts)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(4, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]); git_diff_free(diff); /* Cleanup */ git_tree_free(tree1); git_tree_free(tree2); } void test_diff_rename__by_config_doesnt_mess_with_whitespace_settings(void) { const char *sha1 = REWRITE_COPY_COMMIT; const char *sha2 = RENAME_MODIFICATION_COMMIT; git_tree *tree1, *tree2; git_config *cfg; git_diff *diff; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT; diff_expects exp; tree1 = resolve_commit_oid_to_tree(g_repo, sha1); tree2 = resolve_commit_oid_to_tree(g_repo, sha2); diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; opts.flags = GIT_DIFF_FIND_BY_CONFIG; cl_git_pass(git_repository_config(&cfg, g_repo)); cl_git_pass(git_config_set_string(cfg, "diff.renames", "copies")); git_config_free(cfg); /* Don't ignore whitespace; this should find a change in sixserving.txt */ opts.flags |= 0 | GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE; cl_git_pass(git_diff_tree_to_tree( &diff, g_repo, tree1, tree2, &diffopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_find_similar(diff, &opts)); cl_git_pass(git_diff_foreach(diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(5, exp.files); cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]); git_diff_free(diff); /* Cleanup */ git_tree_free(tree1); git_tree_free(tree2); } static void expect_files_renamed(const char *one, const char *two, uint32_t whitespace_flags) { git_index *index; git_diff *diff = NULL; diff_expects exp; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; diffopts.flags = GIT_DIFF_INCLUDE_UNTRACKED; findopts.flags = GIT_DIFF_FIND_FOR_UNTRACKED | GIT_DIFF_FIND_AND_BREAK_REWRITES | GIT_DIFF_FIND_RENAMES_FROM_REWRITES | whitespace_flags; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_rewritefile("renames/ikeepsix.txt", one); cl_git_pass(git_index_add_bypath(index, "ikeepsix.txt")); cl_git_rmfile("renames/ikeepsix.txt"); cl_git_rewritefile("renames/ikeepsix2.txt", two); cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, &diffopts)); cl_git_pass(git_diff_find_similar(diff, &findopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(1, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]); git_diff_free(diff); git_index_free(index); } /* test some variations on empty and blank files */ void test_diff_rename__empty_files_renamed(void) { /* empty files are identical when ignoring whitespace or not */ expect_files_renamed("", "", GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE); expect_files_renamed("", "", GIT_DIFF_FIND_IGNORE_WHITESPACE); } /* test that blank files are similar when ignoring whitespace */ void test_diff_rename__blank_files_renamed_when_ignoring_whitespace(void) { expect_files_renamed("", "\n\n", GIT_DIFF_FIND_IGNORE_WHITESPACE); expect_files_renamed("", "\r\n\r\n", GIT_DIFF_FIND_IGNORE_WHITESPACE); expect_files_renamed("\r\n\r\n", "\n\n\n", GIT_DIFF_FIND_IGNORE_WHITESPACE); expect_files_renamed(" ", "\n\n", GIT_DIFF_FIND_IGNORE_WHITESPACE); expect_files_renamed(" \n \n", "\n\n", GIT_DIFF_FIND_IGNORE_WHITESPACE); } /* blank files are not similar when whitespace is not ignored */ static void expect_files_not_renamed(const char *one, const char *two, uint32_t whitespace_flags) { git_index *index; git_diff *diff = NULL; diff_expects exp; git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; diffopts.flags = GIT_DIFF_INCLUDE_UNTRACKED; findopts.flags = GIT_DIFF_FIND_FOR_UNTRACKED | whitespace_flags; cl_git_pass(git_repository_index(&index, g_repo)); cl_git_rewritefile("renames/ikeepsix.txt", one); cl_git_pass(git_index_add_bypath(index, "ikeepsix.txt")); cl_git_rmfile("renames/ikeepsix.txt"); cl_git_rewritefile("renames/ikeepsix2.txt", two); cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, &diffopts)); cl_git_pass(git_diff_find_similar(diff, &findopts)); memset(&exp, 0, sizeof(exp)); cl_git_pass(git_diff_foreach( diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); cl_assert_equal_i(2, exp.files); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNTRACKED]); git_diff_free(diff); git_index_free(index); } /* test that blank files are similar when ignoring renames */ void test_diff_rename__blank_files_not_renamed_when_not_ignoring_whitespace(void) { expect_files_not_renamed("", "\r\n\r\n\r\n", GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE); expect_files_not_renamed("", "\n\n\n\n", GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE); expect_files_not_renamed("\n\n\n\n", "\r\n\r\n\r\n", GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE); } /* test that 100% renames and copies emit the correct patch file * git diff --find-copies-harder -M100 -B100 \ * 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \ * 2bc7f351d20b53f1c72c16c4b036e491c478c49a */ void test_diff_rename__identical(void) { const char *old_sha = INITIAL_COMMIT; const char *new_sha = COPY_RENAME_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT; git_diff_find_options find_opts = GIT_DIFF_FIND_OPTIONS_INIT; git_buf diff_buf = GIT_BUF_INIT; const char *expected = "diff --git a/serving.txt b/sixserving.txt\n" "similarity index 100%\n" "rename from serving.txt\n" "rename to sixserving.txt\n" "diff --git a/sevencities.txt b/songofseven.txt\n" "similarity index 100%\n" "copy from sevencities.txt\n" "copy to songofseven.txt\n"; old_tree = resolve_commit_oid_to_tree(g_repo, old_sha); new_tree = resolve_commit_oid_to_tree(g_repo, new_sha); diff_opts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED; find_opts.flags = GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED | GIT_DIFF_FIND_EXACT_MATCH_ONLY; cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, old_tree, new_tree, &diff_opts)); cl_git_pass(git_diff_find_similar(diff, &find_opts)); cl_git_pass(git_diff_to_buf(&diff_buf, diff, GIT_DIFF_FORMAT_PATCH)); cl_assert_equal_s(expected, diff_buf.ptr); git_buf_dispose(&diff_buf); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); } void test_diff_rename__rewrite_and_delete(void) { const char *old_sha = RENAME_MODIFICATION_COMMIT; const char *new_sha = REWRITE_DELETE_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_find_options find_opts = GIT_DIFF_FIND_OPTIONS_INIT; git_buf diff_buf = GIT_BUF_INIT; const char *expected = "diff --git a/ikeepsix.txt b/ikeepsix.txt\n" "deleted file mode 100644\n" "index eaf4a3e..0000000\n" "--- a/ikeepsix.txt\n" "+++ /dev/null\n" "@@ -1,27 +0,0 @@\n" "-I Keep Six Honest Serving-Men\n" "-=============================\n" "-\n" "-She sends'em abroad on her own affairs,\n" "- From the second she opens her eyes—\n" "-One million Hows, two million Wheres,\n" "-And seven million Whys!\n" "-\n" "-I let them rest from nine till five,\n" "- For I am busy then,\n" "-As well as breakfast, lunch, and tea,\n" "- For they are hungry men.\n" "-But different folk have different views;\n" "-I know a person small—\n" "-She keeps ten million serving-men,\n" "-Who get no rest at all!\n" "-\n" "- -- Rudyard Kipling\n" "-\n" "-I KEEP six honest serving-men\n" "- (They taught me all I knew);\n" "-Their names are What and Why and When\n" "- And How and Where and Who.\n" "-I send them over land and sea,\n" "- I send them east and west;\n" "-But after they have worked for me,\n" "- I give them all a rest.\n" "diff --git a/songof7cities.txt b/songof7cities.txt\n" "index 4210ffd..95ceb12 100644\n" "--- a/songof7cities.txt\n" "+++ b/songof7cities.txt\n" "@@ -1,45 +1,45 @@\n" "-The Song of Seven Cities\n" "+THE SONG OF SEVEN CITIES\n" " ------------------------\n" " \n" "-I WAS Lord of Cities very sumptuously builded.\n" "-Seven roaring Cities paid me tribute from afar.\n" "-Ivory their outposts were--the guardrooms of them gilded,\n" "-And garrisoned with Amazons invincible in war.\n" "-\n" "-All the world went softly when it walked before my Cities--\n" "-Neither King nor Army vexed my peoples at their toil,\n" "-Never horse nor chariot irked or overbore my Cities,\n" "-Never Mob nor Ruler questioned whence they drew their spoil.\n" "-\n" "-Banded, mailed and arrogant from sunrise unto sunset;\n" "-Singing while they sacked it, they possessed the land at large.\n" "-Yet when men would rob them, they resisted, they made onset\n" "-And pierced the smoke of battle with a thousand-sabred charge.\n" "-\n" "-So they warred and trafficked only yesterday, my Cities.\n" "-To-day there is no mark or mound of where my Cities stood.\n" "-For the River rose at midnight and it washed away my Cities.\n" "-They are evened with Atlantis and the towns before the Flood.\n" "-\n" "-Rain on rain-gorged channels raised the water-levels round them,\n" "-Freshet backed on freshet swelled and swept their world from sight,\n" "-Till the emboldened floods linked arms and, flashing forward, drowned them--\n" "-Drowned my Seven Cities and their peoples in one night!\n" "-\n" "-Low among the alders lie their derelict foundations,\n" "-The beams wherein they trusted and the plinths whereon they built--\n" "-My rulers and their treasure and their unborn populations,\n" "-Dead, destroyed, aborted, and defiled with mud and silt!\n" "-\n" "-The Daughters of the Palace whom they cherished in my Cities,\n" "-My silver-tongued Princesses, and the promise of their May--\n" "-Their bridegrooms of the June-tide--all have perished in my Cities,\n" "-With the harsh envenomed virgins that can neither love nor play.\n" "-\n" "-I was Lord of Cities--I will build anew my Cities,\n" "-Seven, set on rocks, above the wrath of any flood.\n" "-Nor will I rest from search till I have filled anew my Cities\n" "-With peoples undefeated of the dark, enduring blood.\n" "+I WAS LORD OF CITIES VERY SUMPTUOUSLY BUILDED.\n" "+SEVEN ROARING CITIES PAID ME TRIBUTE FROM AFAR.\n" "+IVORY THEIR OUTPOSTS WERE--THE GUARDROOMS OF THEM GILDED,\n" "+AND GARRISONED WITH AMAZONS INVINCIBLE IN WAR.\n" "+\n" "+ALL THE WORLD WENT SOFTLY WHEN IT WALKED BEFORE MY CITIES--\n" "+NEITHER KING NOR ARMY VEXED MY PEOPLES AT THEIR TOIL,\n" "+NEVER HORSE NOR CHARIOT IRKED OR OVERBORE MY CITIES,\n" "+NEVER MOB NOR RULER QUESTIONED WHENCE THEY DREW THEIR SPOIL.\n" "+\n" "+BANDED, MAILED AND ARROGANT FROM SUNRISE UNTO SUNSET;\n" "+SINGING WHILE THEY SACKED IT, THEY POSSESSED THE LAND AT LARGE.\n" "+YET WHEN MEN WOULD ROB THEM, THEY RESISTED, THEY MADE ONSET\n" "+AND PIERCED THE SMOKE OF BATTLE WITH A THOUSAND-SABRED CHARGE.\n" "+\n" "+SO THEY WARRED AND TRAFFICKED ONLY YESTERDAY, MY CITIES.\n" "+TO-DAY THERE IS NO MARK OR MOUND OF WHERE MY CITIES STOOD.\n" "+FOR THE RIVER ROSE AT MIDNIGHT AND IT WASHED AWAY MY CITIES.\n" "+THEY ARE EVENED WITH ATLANTIS AND THE TOWNS BEFORE THE FLOOD.\n" "+\n" "+RAIN ON RAIN-GORGED CHANNELS RAISED THE WATER-LEVELS ROUND THEM,\n" "+FRESHET BACKED ON FRESHET SWELLED AND SWEPT THEIR WORLD FROM SIGHT,\n" "+TILL THE EMBOLDENED FLOODS LINKED ARMS AND, FLASHING FORWARD, DROWNED THEM--\n" "+DROWNED MY SEVEN CITIES AND THEIR PEOPLES IN ONE NIGHT!\n" "+\n" "+LOW AMONG THE ALDERS LIE THEIR DERELICT FOUNDATIONS,\n" "+THE BEAMS WHEREIN THEY TRUSTED AND THE PLINTHS WHEREON THEY BUILT--\n" "+MY RULERS AND THEIR TREASURE AND THEIR UNBORN POPULATIONS,\n" "+DEAD, DESTROYED, ABORTED, AND DEFILED WITH MUD AND SILT!\n" "+\n" "+THE DAUGHTERS OF THE PALACE WHOM THEY CHERISHED IN MY CITIES,\n" "+MY SILVER-TONGUED PRINCESSES, AND THE PROMISE OF THEIR MAY--\n" "+THEIR BRIDEGROOMS OF THE JUNE-TIDE--ALL HAVE PERISHED IN MY CITIES,\n" "+WITH THE HARSH ENVENOMED VIRGINS THAT CAN NEITHER LOVE NOR PLAY.\n" "+\n" "+I WAS LORD OF CITIES--I WILL BUILD ANEW MY CITIES,\n" "+SEVEN, SET ON ROCKS, ABOVE THE WRATH OF ANY FLOOD.\n" "+NOR WILL I REST FROM SEARCH TILL I HAVE FILLED ANEW MY CITIES\n" "+WITH PEOPLES UNDEFEATED OF THE DARK, ENDURING BLOOD.\n" " \n" " To the sound of trumpets shall their seed restore my Cities\n" " Wealthy and well-weaponed, that once more may I behold\n"; old_tree = resolve_commit_oid_to_tree(g_repo, old_sha); new_tree = resolve_commit_oid_to_tree(g_repo, new_sha); find_opts.flags = GIT_DIFF_FIND_RENAMES_FROM_REWRITES; cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, old_tree, new_tree, NULL)); cl_git_pass(git_diff_find_similar(diff, &find_opts)); cl_git_pass(git_diff_to_buf(&diff_buf, diff, GIT_DIFF_FORMAT_PATCH)); cl_assert_equal_s(expected, diff_buf.ptr); git_buf_dispose(&diff_buf); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); } void test_diff_rename__delete_and_rename(void) { const char *old_sha = RENAME_MODIFICATION_COMMIT; const char *new_sha = DELETE_RENAME_COMMIT; git_tree *old_tree, *new_tree; git_diff *diff; git_diff_find_options find_opts = GIT_DIFF_FIND_OPTIONS_INIT; git_buf diff_buf = GIT_BUF_INIT; const char *expected = "diff --git a/sixserving.txt b/sixserving.txt\n" "deleted file mode 100644\n" "index f90d4fc..0000000\n" "--- a/sixserving.txt\n" "+++ /dev/null\n" "@@ -1,25 +0,0 @@\n" "-I KEEP six honest serving-men\n" "- (They taught me all I knew);\n" "-Their names are What and Why and When\n" "- And How and Where and Who.\n" "-I send them over land and sea,\n" "- I send them east and west;\n" "-But after they have worked for me,\n" "- I give them all a rest.\n" "-\n" "-I let them rest from nine till five,\n" "- For I am busy then,\n" "-As well as breakfast, lunch, and tea,\n" "- For they are hungry men.\n" "-But different folk have different views;\n" "-I know a person small—\n" "-She keeps ten million serving-men,\n" "-Who get no rest at all!\n" "-\n" "-She sends'em abroad on her own affairs,\n" "- From the second she opens her eyes—\n" "-One million Hows, two million Wheres,\n" "-And seven million Whys!\n" "-\n" "- -- Rudyard Kipling\n" "-\n" "diff --git a/songof7cities.txt b/sixserving.txt\n" "similarity index 100%\n" "rename from songof7cities.txt\n" "rename to sixserving.txt\n"; old_tree = resolve_commit_oid_to_tree(g_repo, old_sha); new_tree = resolve_commit_oid_to_tree(g_repo, new_sha); find_opts.flags = GIT_DIFF_FIND_RENAMES_FROM_REWRITES; cl_git_pass(git_diff_tree_to_tree(&diff, g_repo, old_tree, new_tree, NULL)); cl_git_pass(git_diff_find_similar(diff, &find_opts)); cl_git_pass(git_diff_to_buf(&diff_buf, diff, GIT_DIFF_FORMAT_PATCH)); cl_assert_equal_s(expected, diff_buf.ptr); git_buf_dispose(&diff_buf); git_diff_free(diff); git_tree_free(old_tree); git_tree_free(new_tree); }