/*
* Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Error codes */
#define GOT_ERR_OK 0
#define GOT_ERR_ERRNO 1
#define GOT_ERR_NOT_GIT_REPO 2
#define GOT_ERR_NOT_ABSPATH 3
#define GOT_ERR_BAD_PATH 4
#define GOT_ERR_NOT_REF 5
#define GOT_ERR_IO 6
#define GOT_ERR_EOF 7
#define GOT_ERR_DECOMPRESSION 8
#define GOT_ERR_NO_SPACE 9
#define GOT_ERR_BAD_OBJ_HDR 10
#define GOT_ERR_OBJ_TYPE 11
#define GOT_ERR_BAD_OBJ_DATA 12
#define GOT_ERR_AMBIGUOUS_ID 13
#define GOT_ERR_BAD_PACKIDX 14
#define GOT_ERR_PACKIDX_CSUM 15
#define GOT_ERR_BAD_PACKFILE 16
#define GOT_ERR_NO_OBJ 17
#define GOT_ERR_NOT_IMPL 18
#define GOT_ERR_OBJ_NOT_PACKED 19
#define GOT_ERR_BAD_DELTA_CHAIN 20
#define GOT_ERR_BAD_DELTA 21
#define GOT_ERR_COMPRESSION 22
#define GOT_ERR_BAD_OBJ_ID_STR 23
#define GOT_ERR_WORKTREE_EXISTS 26
#define GOT_ERR_WORKTREE_META 27
#define GOT_ERR_WORKTREE_VERS 28
#define GOT_ERR_WORKTREE_BUSY 29
#define GOT_ERR_DIR_OBSTRUCTED 30
#define GOT_ERR_FILE_OBSTRUCTED 31
#define GOT_ERR_RECURSION 32
#define GOT_ERR_TIMEOUT 33
#define GOT_ERR_INTERRUPT 34
#define GOT_ERR_PRIVSEP_READ 35
#define GOT_ERR_PRIVSEP_LEN 36
#define GOT_ERR_PRIVSEP_PIPE 37
#define GOT_ERR_PRIVSEP_NO_FD 38
#define GOT_ERR_PRIVSEP_MSG 39
#define GOT_ERR_PRIVSEP_DIED 40
#define GOT_ERR_PRIVSEP_EXIT 41
#define GOT_ERR_PACK_OFFSET 42
#define GOT_ERR_OBJ_EXISTS 43
#define GOT_ERR_BAD_OBJ_ID 44
#define GOT_ERR_ITER_NEED_MORE 45
#define GOT_ERR_ITER_COMPLETED 46
#define GOT_ERR_RANGE 47
#define GOT_ERR_EXPECTED 48 /* for use in regress tests only */
#define GOT_ERR_CANCELLED 49
#define GOT_ERR_NO_TREE_ENTRY 50
#define GOT_ERR_FILEIDX_SIG 51
#define GOT_ERR_FILEIDX_VER 52
#define GOT_ERR_FILEIDX_CSUM 53
#define GOT_ERR_PATH_PREFIX 54
#define GOT_ERR_ANCESTRY 55
#define GOT_ERR_FILEIDX_BAD 56
#define GOT_ERR_BAD_REF_DATA 57
#define GOT_ERR_TREE_DUP_ENTRY 58
#define GOT_ERR_DIR_DUP_ENTRY 59
#define GOT_ERR_NOT_WORKTREE 60
#define GOT_ERR_UUID_VERSION 61
#define GOT_ERR_UUID_INVALID 62
#define GOT_ERR_UUID 63
#define GOT_ERR_LOCKFILE_TIMEOUT 64
#define GOT_ERR_BAD_REF_NAME 65
#define GOT_ERR_WORKTREE_REPO 66
#define GOT_ERR_FILE_MODIFIED 67
#define GOT_ERR_FILE_STATUS 68
#define GOT_ERR_COMMIT_CONFLICT 69
#define GOT_ERR_BAD_REF_TYPE 70
#define GOT_ERR_COMMIT_NO_AUTHOR 71
#define GOT_ERR_COMMIT_HEAD_CHANGED 72
#define GOT_ERR_COMMIT_OUT_OF_DATE 73
#define GOT_ERR_COMMIT_MSG_EMPTY 74
#define GOT_ERR_DIR_NOT_EMPTY 75
#define GOT_ERR_COMMIT_NO_CHANGES 76
#define GOT_ERR_BRANCH_MOVED 77
#define GOT_ERR_OBJ_TOO_LARGE 78
#define GOT_ERR_SAME_BRANCH 79
#define GOT_ERR_ROOT_COMMIT 80
#define GOT_ERR_MIXED_COMMITS 81
#define GOT_ERR_CONFLICTS 82
#define GOT_ERR_BRANCH_EXISTS 83
#define GOT_ERR_MODIFIED 84
#define GOT_ERR_NOT_REBASING 85
#define GOT_ERR_EMPTY_REBASE 86
#define GOT_ERR_REBASE_COMMITID 87
#define GOT_ERR_REBASING 88
#define GOT_ERR_REBASE_PATH 89
#define GOT_ERR_NOT_HISTEDIT 90
#define GOT_ERR_EMPTY_HISTEDIT 91
#define GOT_ERR_NO_HISTEDIT_CMD 92
#define GOT_ERR_HISTEDIT_SYNTAX 93
#define GOT_ERR_HISTEDIT_CANCEL 94
#define GOT_ERR_HISTEDIT_COMMITID 95
#define GOT_ERR_HISTEDIT_BUSY 96
#define GOT_ERR_HISTEDIT_CMD 97
#define GOT_ERR_HISTEDIT_PATH 98
#define GOT_ERR_NO_MERGED_PATHS 99
#define GOT_ERR_COMMIT_BRANCH 100
#define GOT_ERR_FILE_STAGED 101
#define GOT_ERR_STAGE_NO_CHANGE 102
#define GOT_ERR_STAGE_CONFLICT 103
#define GOT_ERR_STAGE_OUT_OF_DATE 104
#define GOT_ERR_FILE_NOT_STAGED 105
#define GOT_ERR_STAGED_PATHS 106
#define GOT_ERR_PATCH_CHOICE 107
#define GOT_ERR_COMMIT_NO_EMAIL 108
#define GOT_ERR_TAG_EXISTS 109
#define GOT_ERR_GIT_REPO_FORMAT 110
#define GOT_ERR_REBASE_REQUIRED 111
#define GOT_ERR_REGEX 112
static const struct got_error {
int code;
const char *msg;
} got_errors[] = {
{ GOT_ERR_OK, "no error occured?!?" },
{ GOT_ERR_ERRNO, "see errno" },
{ GOT_ERR_NOT_GIT_REPO, "no git repository found" },
{ GOT_ERR_NOT_ABSPATH, "absolute path expected" },
{ GOT_ERR_BAD_PATH, "bad path" },
{ GOT_ERR_NOT_REF, "no such reference found" },
{ GOT_ERR_IO, "input/output error" },
{ GOT_ERR_EOF, "unexpected end of file" },
{ GOT_ERR_DECOMPRESSION,"decompression failed" },
{ GOT_ERR_NO_SPACE, "buffer too small" },
{ GOT_ERR_BAD_OBJ_HDR, "bad object header" },
{ GOT_ERR_OBJ_TYPE, "wrong type of object" },
{ GOT_ERR_BAD_OBJ_DATA, "bad object data" },
{ GOT_ERR_AMBIGUOUS_ID, "ambiguous object ID" },
{ GOT_ERR_BAD_PACKIDX, "bad pack index file" },
{ GOT_ERR_PACKIDX_CSUM, "pack index file checksum error" },
{ GOT_ERR_BAD_PACKFILE, "bad pack file" },
{ GOT_ERR_NO_OBJ, "object not found" },
{ GOT_ERR_NOT_IMPL, "feature not implemented" },
{ GOT_ERR_OBJ_NOT_PACKED,"object is not packed" },
{ GOT_ERR_BAD_DELTA_CHAIN,"bad delta chain" },
{ GOT_ERR_BAD_DELTA, "bad delta" },
{ GOT_ERR_COMPRESSION, "compression failed" },
{ GOT_ERR_BAD_OBJ_ID_STR,"bad object id string" },
{ GOT_ERR_WORKTREE_EXISTS,"worktree already exists" },
{ GOT_ERR_WORKTREE_META,"bad worktree meta data" },
{ GOT_ERR_WORKTREE_VERS,"unsupported worktree format version" },
{ GOT_ERR_WORKTREE_BUSY,"worktree already locked" },
{ GOT_ERR_FILE_OBSTRUCTED,"file is obstructed" },
{ GOT_ERR_RECURSION, "recursion limit reached" },
{ GOT_ERR_TIMEOUT, "operation timed out" },
{ GOT_ERR_INTERRUPT, "operation interrupted" },
{ GOT_ERR_PRIVSEP_READ, "no data received in imsg" },
{ GOT_ERR_PRIVSEP_LEN, "unexpected amount of data received in imsg" },
{ GOT_ERR_PRIVSEP_PIPE, "privsep peer process closed pipe" },
{ GOT_ERR_PRIVSEP_NO_FD,"privsep file descriptor unavailable" },
{ GOT_ERR_PRIVSEP_MSG, "received unexpected privsep message" },
{ GOT_ERR_PRIVSEP_DIED, "unprivileged process died unexpectedly" },
{ GOT_ERR_PRIVSEP_EXIT, "bad exit code from unprivileged process" },
{ GOT_ERR_PACK_OFFSET, "bad offset in pack file" },
{ GOT_ERR_OBJ_EXISTS, "object already exists" },
{ GOT_ERR_BAD_OBJ_ID, "bad object id" },
{ GOT_ERR_ITER_NEED_MORE,"more items needed to continue iteration" },
{ GOT_ERR_ITER_COMPLETED,"iteration completed" },
{ GOT_ERR_RANGE, "value out of range" },
{ GOT_ERR_EXPECTED, "expected an error but have no error" },
{ GOT_ERR_CANCELLED, "operation in progress has been cancelled" },
{ GOT_ERR_NO_TREE_ENTRY,"no such entry found in tree" },
{ GOT_ERR_FILEIDX_SIG, "bad file index signature" },
{ GOT_ERR_FILEIDX_VER, "unknown file index format version" },
{ GOT_ERR_FILEIDX_CSUM, "bad file index checksum" },
{ GOT_ERR_PATH_PREFIX, "worktree already contains items from a "
"different path prefix" },
{ GOT_ERR_ANCESTRY, "target commit is on a different branch" },
{ GOT_ERR_FILEIDX_BAD, "file index is corrupt" },
{ GOT_ERR_BAD_REF_DATA, "could not parse reference data" },
{ GOT_ERR_TREE_DUP_ENTRY,"duplicate entry in tree object" },
{ GOT_ERR_DIR_DUP_ENTRY,"duplicate entry in directory" },
{ GOT_ERR_NOT_WORKTREE, "no got work tree found" },
{ GOT_ERR_UUID_VERSION, "bad uuid version" },
{ GOT_ERR_UUID_INVALID, "uuid invalid" },
{ GOT_ERR_UUID, "uuid error" },
{ GOT_ERR_LOCKFILE_TIMEOUT,"lockfile timeout" },
{ GOT_ERR_BAD_REF_NAME, "bad reference name" },
{ GOT_ERR_WORKTREE_REPO,"cannot create worktree inside a git repository" },
{ GOT_ERR_FILE_MODIFIED,"file contains modifications" },
{ GOT_ERR_FILE_STATUS, "file has unexpected status" },
{ GOT_ERR_COMMIT_CONFLICT,"cannot commit file in conflicted status" },
{ GOT_ERR_BAD_REF_TYPE, "bad reference type" },
{ GOT_ERR_COMMIT_NO_AUTHOR,"GOT_AUTHOR environment variable is not set" },
{ GOT_ERR_COMMIT_HEAD_CHANGED, "branch head in repository has changed "
"while commit was in progress" },
{ GOT_ERR_COMMIT_OUT_OF_DATE, "work tree must be updated before these "
"changes can be committed" },
{ GOT_ERR_COMMIT_MSG_EMPTY, "commit message cannot be empty" },
{ GOT_ERR_DIR_NOT_EMPTY, "directory exists and is not empty" },
{ GOT_ERR_COMMIT_NO_CHANGES, "no changes to commit" },
{ GOT_ERR_BRANCH_MOVED, "work tree's head reference now points to a "
"different branch; new head reference and/or update -b required" },
{ GOT_ERR_OBJ_TOO_LARGE, "object too large" },
{ GOT_ERR_SAME_BRANCH, "commit is already contained in this branch" },
{ GOT_ERR_ROOT_COMMIT, "specified commit has no parent commit" },
{ GOT_ERR_MIXED_COMMITS,"work tree contains files from multiple "
"base commits; the entire work tree must be updated first" },
{ GOT_ERR_CONFLICTS, "work tree contains conflicted files; these "
"conflicts must be resolved first" },
{ GOT_ERR_BRANCH_EXISTS,"specified branch already exists" },
{ GOT_ERR_MODIFIED, "work tree contains local changes; these "
"changes must be committed or reverted first" },
{ GOT_ERR_NOT_REBASING, "rebase operation not in progress" },
{ GOT_ERR_EMPTY_REBASE, "no commits to rebase" },
{ GOT_ERR_REBASE_COMMITID,"rebase commit ID mismatch" },
{ GOT_ERR_REBASING, "a rebase operation is in progress in this "
"work tree and must be continued or aborted first" },
{ GOT_ERR_REBASE_PATH, "cannot rebase branch which contains "
"changes outside of this work tree's path prefix" },
{ GOT_ERR_NOT_HISTEDIT, "histedit operation not in progress" },
{ GOT_ERR_EMPTY_HISTEDIT,"no commits to edit; perhaps the work tree "
"must be updated to an older commit first" },
{ GOT_ERR_NO_HISTEDIT_CMD,"no histedit commands provided" },
{ GOT_ERR_HISTEDIT_SYNTAX,"syntax error in histedit command list" },
{ GOT_ERR_HISTEDIT_CANCEL,"histedit operation cancelled" },
{ GOT_ERR_HISTEDIT_COMMITID,"histedit commit ID mismatch" },
{ GOT_ERR_HISTEDIT_BUSY,"histedit operation is in progress in this "
"work tree and must be continued or aborted first" },
{ GOT_ERR_HISTEDIT_CMD, "bad histedit command" },
{ GOT_ERR_HISTEDIT_PATH, "cannot edit branch history which contains "
"changes outside of this work tree's path prefix" },
{ GOT_ERR_NO_MERGED_PATHS, "empty list of merged paths" },
{ GOT_ERR_COMMIT_BRANCH, "will not commit to a branch outside the "
"\"refs/heads/\" reference namespace" },
{ GOT_ERR_FILE_STAGED, "file is staged" },
{ GOT_ERR_STAGE_NO_CHANGE, "no changes to stage" },
{ GOT_ERR_STAGE_CONFLICT, "cannot stage file in conflicted status" },
{ GOT_ERR_STAGE_OUT_OF_DATE, "work tree must be updated before "
"changes can be staged" },
{ GOT_ERR_FILE_NOT_STAGED, "file is not staged" },
{ GOT_ERR_STAGED_PATHS, "work tree contains files with staged "
"changes; these changes must be committed or unstaged first" },
{ GOT_ERR_PATCH_CHOICE, "invalid patch choice" },
{ GOT_ERR_COMMIT_NO_EMAIL,"GOT_AUTHOR environment variable contains "
"no email address; an email address is required for compatibility "
"with Git" },
{ GOT_ERR_TAG_EXISTS,"specified tag already exists" },
{ GOT_ERR_GIT_REPO_FORMAT,"unknown git repository format version" },
{ GOT_ERR_REBASE_REQUIRED,"specified branch must be rebased first" },
{ GOT_ERR_REGEX, "regular expression error" },
};
/*
* Get an error object from the above list, for a given error code.
* The error message is fixed.
*/
const struct got_error *got_error(int);
/*
* Get an error object from the above list, for a given error code.
* Use the specified error message instead of the default one.
* Caution: If the message buffer lives in dynamically allocated memory,
* then this memory likely won't be freed.
*/
const struct got_error *got_error_msg(int, const char *);
/*
* Get a statically allocated error object with code GOT_ERR_ERRNO
* and an error message obtained from strerror(3), prefixed with a
* string.
*/
const struct got_error *got_error_from_errno(const char *);
/*
* Get a statically allocated error object with code GOT_ERR_ERRNO
* and an error message obtained from strerror(3), prefixed with two
* strings.
*/
const struct got_error *got_error_from_errno2(const char *, const char *);
/*
* Get a statically allocated error object with code GOT_ERR_ERRNO
* and an error message obtained from strerror(3), prefixed with three
* strings.
*/
const struct got_error *got_error_from_errno3(const char *, const char *,
const char *);
/*
* Set errno to the specified error code and return a statically
* allocated error object with code GOT_ERR_ERRNO and an error
* message obtained from strerror(3), optionally prefixed with a
* string.
*/
const struct got_error *got_error_set_errno(int, const char *);
/*
* If ferror(3) indicates an error status for the FILE, obtain an error
* from got_error_from_errno(). Else, obtain the error via got_error()
* with the error code provided in the second argument.
*/
const struct got_error *got_ferror(FILE *, int);
/*
* Obtain an error with code GOT_ERR_NO_OBJ and an error message which
* contains the specified object ID. The message buffer is statically
* allocated; future invocations of this function will overwrite the
* message set during earlier invocations.
*/
struct got_object_id; /* forward declaration */
const struct got_error *got_error_no_obj(struct got_object_id *);
/*
* Obtain an error with code GOT_ERR_NOT_REF and an error message which
* contains the specified reference name. The message buffer is statically
* allocated; future invocations of this function will overwrite the
* message set during earlier invocations.
*/
const struct got_error *got_error_not_ref(const char *);
/* Return an error based on a uuid(3) status code. */
const struct got_error *got_error_uuid(uint32_t, const char *);
/* Return an error with a path prefixed to the error message. */
const struct got_error *got_error_path(const char *, int);
