thodg/libgit2/tests-clar/clar_libgit2.h

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• Hash : 7784bcbb
  Author :
  Date : 2012-04-11T11:52:59
  

  Refactor git_repository_open with new options
  
  Add a new command `git_repository_open_ext` with extended options
  that control how searching for a repository will be done.  The
  existing `git_repository_open` and `git_repository_discover` are
  reimplemented on top of it.  We may want to change the default
  behavior of `git_repository_open` but this commit does not do that.
  
  Improve support for "gitdir" files where the work dir is separate
  from the repo and support for the "separate-git-dir" config.  Also,
  add support for opening repos created with `git-new-workdir` script
  (although I have only confirmed that they can be opened, not that
  all functions work correctly).
  
  There are also a few minor changes that came up:
  
  - Fix `git_path_prettify` to allow in-place prettifying.
  
  - Fix `git_path_root` to support backslashes on Win32.  This fix
    should help many repo open/discover scenarios - it is the one
    function called when opening before prettifying the path.
  
  - Tweak `git_config_get_string` to set the "out" pointer to NULL
    if the config value is not found.  Allows some other cleanup.
  
  - Fix a couple places that should have been calling
    `git_repository_config__weakptr` and were not.
  
  - Fix `cl_git_sandbox_init` clar helper to support bare repos.
  

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• tests-clar/clar_libgit2.h

• #ifndef __CLAR_LIBGIT2__
  #define __CLAR_LIBGIT2__
  
  #include "clar.h"
  #include <git2.h>
  #include "common.h"
  
  /**
   * Special wrapper for `clar_must_pass` that passes
   * the last library error as the test failure message.
   *
   * Use this wrapper around all `git_` library calls that
   * return error codes!
   */
  #define cl_git_pass(expr) do { \
  	git_clearerror(); \
  	if ((expr) != GIT_SUCCESS) \
  		clar__assert(0, __FILE__, __LINE__, "Function call failed: " #expr, git_lasterror(), 1); \
  	} while(0)
  
  /**
   * Wrapper for `clar_must_fail` -- this one is
   * just for consistency. Use with `git_` library
   * calls that are supposed to fail!
   */
  #define cl_git_fail(expr) cl_must_fail(expr)
  
  /**
   * Wrapper for string comparison that knows about nulls.
   */
  #define cl_assert_strequal(a,b) \
  	cl_assert_strequal_internal(a,b,__FILE__,__LINE__,"string mismatch: " #a " != " #b)
  
  GIT_INLINE(void) cl_assert_strequal_internal(
  	const char *a, const char *b, const char *file, int line, const char *err)
  {
  	int match = (a == NULL || b == NULL) ? (a == b) : (strcmp(a, b) == 0);
  	if (!match) {
  		char buf[4096];
  		snprintf(buf, 4096, "'%s' != '%s'", a, b);
  		clar__assert(0, file, line, err, buf, 1);
  	}
  }
  
  #define cl_assert_intequal(a,b) \
  	do { if ((a) != (b)) { char buf[128]; snprintf(buf,128,"%d != %d",(a),(b)); clar__assert(0,__FILE__,__LINE__,#a " != " #b,buf,1); } } while (0)
  
  /*
   * Some utility macros for building long strings
   */
  #define REP4(STR)	 STR STR STR STR
  #define REP15(STR)	 REP4(STR) REP4(STR) REP4(STR) STR STR STR
  #define REP16(STR)	 REP4(REP4(STR))
  #define REP256(STR)  REP16(REP16(STR))
  #define REP1024(STR) REP4(REP256(STR))
  
  /* Write the contents of a buffer to disk */
  void cl_git_mkfile(const char *filename, const char *content);
  void cl_git_append2file(const char *filename, const char *new_content);
  void cl_git_rewritefile(const char *filename, const char *new_content);
  void cl_git_write2file(const char *filename, const char *new_content, int mode);
  
  /* Git sandbox setup helpers */
  
  git_repository *cl_git_sandbox_init(const char *sandbox);
  void cl_git_sandbox_cleanup(void);
  
  #endif
  

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