diff options
Diffstat (limited to 'path.c')
| -rw-r--r-- | path.c | 143 |
1 files changed, 24 insertions, 119 deletions
@@ -4,7 +4,6 @@ #include "git-compat-util.h" #include "abspath.h" -#include "environment.h" #include "gettext.h" #include "repository.h" #include "strbuf.h" @@ -57,9 +56,9 @@ static void strbuf_cleanup_path(struct strbuf *sb) strbuf_remove(sb, 0, path - sb->buf); } -static int dir_prefix(const char *buf, const char *dir) +int dir_prefix(const char *buf, const char *dir) { - int len = strlen(dir); + size_t len = strlen(dir); return !strncmp(buf, dir, len) && (is_dir_sep(buf[len]) || buf[len] == '\0'); } @@ -486,17 +485,16 @@ const char *mkpath(const char *fmt, ...) return cleanup_path(pathname->buf); } -const char *worktree_git_path(struct repository *r, - const struct worktree *wt, const char *fmt, ...) +const char *worktree_git_path(const struct worktree *wt, const char *fmt, ...) { struct strbuf *pathname = get_pathname(); va_list args; - if (wt && wt->repo != r) - BUG("worktree not connected to expected repository"); + if (!wt) + BUG("%s() called with NULL worktree", __func__); va_start(args, fmt); - repo_git_pathv(r, wt, pathname, fmt, args); + repo_git_pathv(wt->repo, wt, pathname, fmt, args); va_end(args); return pathname->buf; } @@ -738,122 +736,22 @@ return_null: return NULL; } -/* - * First, one directory to try is determined by the following algorithm. - * - * (0) If "strict" is given, the path is used as given and no DWIM is - * done. Otherwise: - * (1) "~/path" to mean path under the running user's home directory; - * (2) "~user/path" to mean path under named user's home directory; - * (3) "relative/path" to mean cwd relative directory; or - * (4) "/absolute/path" to mean absolute directory. - * - * Unless "strict" is given, we check "%s/.git", "%s", "%s.git/.git", "%s.git" - * in this order. We select the first one that is a valid git repository, and - * chdir() to it. If none match, or we fail to chdir, we return NULL. - * - * If all goes well, we return the directory we used to chdir() (but - * before ~user is expanded), avoiding getcwd() resolving symbolic - * links. User relative paths are also returned as they are given, - * except DWIM suffixing. - */ -const char *enter_repo(const char *path, unsigned flags) -{ - static struct strbuf validated_path = STRBUF_INIT; - static struct strbuf used_path = STRBUF_INIT; - - if (!path) - return NULL; - - if (!(flags & ENTER_REPO_STRICT)) { - static const char *suffix[] = { - "/.git", "", ".git/.git", ".git", NULL, - }; - const char *gitfile; - int len = strlen(path); - int i; - while ((1 < len) && (path[len-1] == '/')) - len--; - - /* - * We can handle arbitrary-sized buffers, but this remains as a - * sanity check on untrusted input. - */ - if (PATH_MAX <= len) - return NULL; - - strbuf_reset(&used_path); - strbuf_reset(&validated_path); - strbuf_add(&used_path, path, len); - strbuf_add(&validated_path, path, len); - - if (used_path.buf[0] == '~') { - char *newpath = interpolate_path(used_path.buf, 0); - if (!newpath) - return NULL; - strbuf_attach(&used_path, newpath, strlen(newpath), - strlen(newpath)); - } - for (i = 0; suffix[i]; i++) { - struct stat st; - size_t baselen = used_path.len; - strbuf_addstr(&used_path, suffix[i]); - if (!stat(used_path.buf, &st) && - (S_ISREG(st.st_mode) || - (S_ISDIR(st.st_mode) && is_git_directory(used_path.buf)))) { - strbuf_addstr(&validated_path, suffix[i]); - break; - } - strbuf_setlen(&used_path, baselen); - } - if (!suffix[i]) - return NULL; - gitfile = read_gitfile(used_path.buf); - if (!(flags & ENTER_REPO_ANY_OWNER_OK)) - die_upon_dubious_ownership(gitfile, NULL, used_path.buf); - if (gitfile) { - strbuf_reset(&used_path); - strbuf_addstr(&used_path, gitfile); - } - if (chdir(used_path.buf)) - return NULL; - path = validated_path.buf; - } - else { - const char *gitfile = read_gitfile(path); - if (!(flags & ENTER_REPO_ANY_OWNER_OK)) - die_upon_dubious_ownership(gitfile, NULL, path); - if (gitfile) - path = gitfile; - if (chdir(path)) - return NULL; - } - - if (is_git_directory(".")) { - set_git_dir(".", 0); - check_repository_format(NULL); - return path; - } - - return NULL; -} - int calc_shared_perm(struct repository *repo, int mode) { int tweak; - - if (repo_settings_get_shared_repository(repo) < 0) - tweak = -repo_settings_get_shared_repository(repo); + int shared_repo = repo_settings_get_shared_repository(repo); + if (shared_repo < 0) + tweak = -shared_repo; else - tweak = repo_settings_get_shared_repository(repo); + tweak = shared_repo; if (!(mode & S_IWUSR)) tweak &= ~0222; if (mode & S_IXUSR) /* Copy read bits to execute bits */ tweak |= (tweak & 0444) >> 2; - if (repo_settings_get_shared_repository(repo) < 0) + if (shared_repo < 0) mode = (mode & ~0777) | tweak; else mode |= tweak; @@ -1212,6 +1110,14 @@ const char *remove_leading_path(const char *in, const char *prefix) * end with a '/', then the callers need to be fixed up accordingly. * */ + +static const char *skip_slashes(const char *p) +{ + while (is_dir_sep(*p)) + p++; + return p; +} + int normalize_path_copy_len(char *dst, const char *src, int *prefix_len) { char *dst0; @@ -1229,8 +1135,7 @@ int normalize_path_copy_len(char *dst, const char *src, int *prefix_len) } dst0 = dst; - while (is_dir_sep(*src)) - src++; + src = skip_slashes(src); for (;;) { char c = *src; @@ -1250,8 +1155,7 @@ int normalize_path_copy_len(char *dst, const char *src, int *prefix_len) } else if (is_dir_sep(src[1])) { /* (2) */ src += 2; - while (is_dir_sep(*src)) - src++; + src = skip_slashes(src); continue; } else if (src[1] == '.') { if (!src[2]) { @@ -1261,8 +1165,7 @@ int normalize_path_copy_len(char *dst, const char *src, int *prefix_len) } else if (is_dir_sep(src[2])) { /* (4) */ src += 3; - while (is_dir_sep(*src)) - src++; + src = skip_slashes(src); goto up_one; } } @@ -1282,6 +1185,8 @@ int normalize_path_copy_len(char *dst, const char *src, int *prefix_len) up_one: /* + * strip the last component + * * dst0..dst is prefix portion, and dst[-1] is '/'; * go up one level. */ |