diff options
Diffstat (limited to 'src/fileops.c')
| -rw-r--r-- | src/fileops.c | 161 |
1 files changed, 111 insertions, 50 deletions
diff --git a/src/fileops.c b/src/fileops.c index c1824e812..4ed46ce85 100644 --- a/src/fileops.c +++ b/src/fileops.c @@ -558,75 +558,136 @@ clean_up: return error; } -int git_futils_find_system_file(git_buf *path, const char *filename) + +static int git_futils_guess_system_dirs(git_strarray *out) { #ifdef GIT_WIN32 - // try to find git.exe/git.cmd on path - if (!win32_find_system_file_using_path(path, filename)) - return 0; + return win32_find_system_dirs(out); +#else + return git_strarray_set(out, 1, "/etc"); +#endif +} - // try to find msysgit installation path using registry - if (!win32_find_system_file_using_registry(path, filename)) - return 0; +static int git_futils_guess_global_dirs(git_strarray *out) +{ +#ifdef GIT_WIN32 + return win32_find_global_dirs(out); #else - if (git_buf_joinpath(path, "/etc", filename) < 0) - return -1; + return git_strarray_set(out, 1, getenv("HOME")); +#endif +} - if (git_path_exists(path->ptr) == true) - return 0; +static int git_futils_guess_xdg_dirs(git_strarray *out) +{ +#ifdef GIT_WIN32 + return win32_find_xdg_dirs(out); +#else + int error = 0; + git_buf xdg = GIT_BUF_INIT; + const char *env = NULL; + + if ((env = getenv("XDG_CONFIG_HOME")) != NULL) + git_buf_joinpath(&xdg, env, "git"); + else if ((env = getenv("HOME")) != NULL) + git_buf_joinpath(&xdg, env, ".config/git"); + + error = git_strarray_set(out, 1, xdg.ptr); + git_buf_free(&xdg); + + return error; #endif +} - git_buf_clear(path); - giterr_set(GITERR_OS, "The system file '%s' doesn't exist", filename); - return GIT_ENOTFOUND; +typedef int (*git_futils_dirs_guess_cb)(git_strarray *out); + +static git_strarray git_futils__dirs[GIT_FUTILS_DIR__MAX]; +static git_futils_dirs_guess_cb git_futils__dir_guess[GIT_FUTILS_DIR__MAX] = { + git_futils_guess_system_dirs, + git_futils_guess_global_dirs, + git_futils_guess_xdg_dirs, +}; + +static int git_futils_check_selector(git_futils_dir_t which) +{ + if (which < GIT_FUTILS_DIR__MAX) + return 0; + giterr_set(GITERR_INVALID, "config directory selector out of range"); + return -1; } -int git_futils_find_global_file(git_buf *path, const char *filename) +int git_futils_dirs_get(const git_strarray **out, git_futils_dir_t which) { -#ifdef GIT_WIN32 - struct win32_path root; - static const wchar_t *tmpls[4] = { - L"%HOME%\\", - L"%HOMEDRIVE%%HOMEPATH%\\", - L"%USERPROFILE%\\", - NULL, - }; - const wchar_t **tmpl; - - for (tmpl = tmpls; *tmpl != NULL; tmpl++) { - /* try to expand environment variable, skipping if not set */ - if (win32_expand_path(&root, *tmpl) != 0 || root.path[0] == L'%') - continue; - - /* try to look up file under path */ - if (!win32_find_file(path, &root, filename)) - return 0; + if (!out) { + giterr_set(GITERR_INVALID, "Output git_strarray not provided"); + return -1; } - giterr_set(GITERR_OS, "The global file '%s' doesn't exist", filename); - git_buf_clear(path); + *out = NULL; - return GIT_ENOTFOUND; -#else - const char *home = getenv("HOME"); + GITERR_CHECK_ERROR(git_futils_check_selector(which)); - if (home == NULL) { - giterr_set(GITERR_OS, "Global file lookup failed. " - "Cannot locate the user's home directory"); - return GIT_ENOTFOUND; + if (!git_futils__dirs[which].count) { + int error = git_futils__dir_guess[which](&git_futils__dirs[which]); + if (error < 0) + return error; } - if (git_buf_joinpath(path, home, filename) < 0) - return -1; + *out = &git_futils__dirs[which]; + return 0; +} - if (git_path_exists(path->ptr) == false) { - giterr_set(GITERR_OS, "The global file '%s' doesn't exist", filename); - git_buf_clear(path); - return GIT_ENOTFOUND; +int git_futils_dirs_set( + git_futils_dir_t which, const git_strarray *dirs, bool replace) +{ + GITERR_CHECK_ERROR(git_futils_check_selector(which)); + + if (replace) + git_strarray_free(&git_futils__dirs[which]); + + /* init with defaults if it hasn't been done yet, but ignore error */ + else if (!git_futils__dirs[which].count) + git_futils__dir_guess[which](&git_futils__dirs[which]); + + return git_strarray_prepend(&git_futils__dirs[which], dirs); +} + +static int git_futils_find_in_dirlist( + git_buf *path, const char *name, git_futils_dir_t which, const char *label) +{ + size_t i; + const git_strarray *syspaths; + + GITERR_CHECK_ERROR(git_futils_dirs_get(&syspaths, which)); + + for (i = 0; i < syspaths->count; ++i) { + GITERR_CHECK_ERROR( + git_buf_joinpath(path, syspaths->strings[i], name)); + + if (git_path_exists(path->ptr)) + return 0; } - return 0; -#endif + git_buf_clear(path); + giterr_set(GITERR_OS, "The %s file '%s' doesn't exist", label, name); + return GIT_ENOTFOUND; +} + +int git_futils_find_system_file(git_buf *path, const char *filename) +{ + return git_futils_find_in_dirlist( + path, filename, GIT_FUTILS_DIR_SYSTEM, "system"); +} + +int git_futils_find_global_file(git_buf *path, const char *filename) +{ + return git_futils_find_in_dirlist( + path, filename, GIT_FUTILS_DIR_GLOBAL, "global"); +} + +int git_futils_find_xdg_file(git_buf *path, const char *filename) +{ + return git_futils_find_in_dirlist( + path, filename, GIT_FUTILS_DIR_XDG, "global/xdg"); } int git_futils_fake_symlink(const char *old, const char *new) |