#include "cache.h"
#include "strbuf.h"
#include "string-list.h"
+#include "dir.h"
static int get_st_mode_bits(const char *path, int *mode)
{
return cleanup_path(buf);
}
-static void vsnpath(struct strbuf *buf, const char *fmt, va_list args)
+static int dir_prefix(const char *buf, const char *dir)
{
- const char *git_dir = get_git_dir();
- strbuf_addstr(buf, git_dir);
+ int len = strlen(dir);
+ return !strncmp(buf, dir, len) &&
+ (is_dir_sep(buf[len]) || buf[len] == '\0');
+}
+
+/* $buf =~ m|$dir/+$file| but without regex */
+static int is_dir_file(const char *buf, const char *dir, const char *file)
+{
+ int len = strlen(dir);
+ if (strncmp(buf, dir, len) || !is_dir_sep(buf[len]))
+ return 0;
+ while (is_dir_sep(buf[len]))
+ len++;
+ return !strcmp(buf + len, file);
+}
+
+static void replace_dir(struct strbuf *buf, int len, const char *newdir)
+{
+ int newlen = strlen(newdir);
+ int need_sep = (buf->buf[len] && !is_dir_sep(buf->buf[len])) &&
+ !is_dir_sep(newdir[newlen - 1]);
+ if (need_sep)
+ len--; /* keep one char, to be replaced with '/' */
+ strbuf_splice(buf, 0, len, newdir, newlen);
+ if (need_sep)
+ buf->buf[newlen] = '/';
+}
+
+static const char *common_list[] = {
+ "/branches", "/hooks", "/info", "!/logs", "/lost-found",
+ "/objects", "/refs", "/remotes", "/worktrees", "/rr-cache", "/svn",
+ "config", "!gc.pid", "packed-refs", "shallow",
+ NULL
+};
+
+static void update_common_dir(struct strbuf *buf, int git_dir_len)
+{
+ char *base = buf->buf + git_dir_len;
+ const char **p;
+
+ if (is_dir_file(base, "logs", "HEAD") ||
+ is_dir_file(base, "info", "sparse-checkout"))
+ return; /* keep this in $GIT_DIR */
+ for (p = common_list; *p; p++) {
+ const char *path = *p;
+ int is_dir = 0;
+ if (*path == '!')
+ path++;
+ if (*path == '/') {
+ path++;
+ is_dir = 1;
+ }
+ if (is_dir && dir_prefix(base, path)) {
+ replace_dir(buf, git_dir_len, get_git_common_dir());
+ return;
+ }
+ if (!is_dir && !strcmp(base, path)) {
+ replace_dir(buf, git_dir_len, get_git_common_dir());
+ return;
+ }
+ }
+}
+
+void report_linked_checkout_garbage(void)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char **p;
+ int len;
+
+ if (!git_common_dir_env)
+ return;
+ strbuf_addf(&sb, "%s/", get_git_dir());
+ len = sb.len;
+ for (p = common_list; *p; p++) {
+ const char *path = *p;
+ if (*path == '!')
+ continue;
+ strbuf_setlen(&sb, len);
+ strbuf_addstr(&sb, path);
+ if (file_exists(sb.buf))
+ report_garbage("unused in linked checkout", sb.buf);
+ }
+ strbuf_release(&sb);
+}
+
+static void adjust_git_path(struct strbuf *buf, int git_dir_len)
+{
+ const char *base = buf->buf + git_dir_len;
+ if (git_graft_env && is_dir_file(base, "info", "grafts"))
+ strbuf_splice(buf, 0, buf->len,
+ get_graft_file(), strlen(get_graft_file()));
+ else if (git_index_env && !strcmp(base, "index"))
+ strbuf_splice(buf, 0, buf->len,
+ get_index_file(), strlen(get_index_file()));
+ else if (git_db_env && dir_prefix(base, "objects"))
+ replace_dir(buf, git_dir_len + 7, get_object_directory());
+ else if (git_common_dir_env)
+ update_common_dir(buf, git_dir_len);
+}
+
+static void do_git_path(struct strbuf *buf, const char *fmt, va_list args)
+{
+ int gitdir_len;
+ strbuf_addstr(buf, get_git_dir());
if (buf->len && !is_dir_sep(buf->buf[buf->len - 1]))
strbuf_addch(buf, '/');
+ gitdir_len = buf->len;
strbuf_vaddf(buf, fmt, args);
+ adjust_git_path(buf, gitdir_len);
strbuf_cleanup_path(buf);
}
-char *git_snpath(char *buf, size_t n, const char *fmt, ...)
+void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
{
- struct strbuf sb = STRBUF_INIT;
va_list args;
va_start(args, fmt);
- vsnpath(&sb, fmt, args);
+ do_git_path(sb, fmt, args);
va_end(args);
- if (sb.len >= n)
- strlcpy(buf, bad_path, n);
- else
- memcpy(buf, sb.buf, sb.len + 1);
- strbuf_release(&sb);
- return buf;
+}
+
+const char *git_path(const char *fmt, ...)
+{
+ struct strbuf *pathname = get_pathname();
+ va_list args;
+ va_start(args, fmt);
+ do_git_path(pathname, fmt, args);
+ va_end(args);
+ return pathname->buf;
}
char *git_pathdup(const char *fmt, ...)
struct strbuf path = STRBUF_INIT;
va_list args;
va_start(args, fmt);
- vsnpath(&path, fmt, args);
+ do_git_path(&path, fmt, args);
va_end(args);
return strbuf_detach(&path, NULL);
}
return cleanup_path(pathname->buf);
}
-const char *git_path(const char *fmt, ...)
+static void do_submodule_path(struct strbuf *buf, const char *path,
+ const char *fmt, va_list args)
{
- struct strbuf *pathname = get_pathname();
- va_list args;
- va_start(args, fmt);
- vsnpath(pathname, fmt, args);
- va_end(args);
- return pathname->buf;
-}
-
-void home_config_paths(char **global, char **xdg, char *file)
-{
- char *xdg_home = getenv("XDG_CONFIG_HOME");
- char *home = getenv("HOME");
- char *to_free = NULL;
-
- if (!home) {
- if (global)
- *global = NULL;
- } else {
- if (!xdg_home) {
- to_free = mkpathdup("%s/.config", home);
- xdg_home = to_free;
- }
- if (global)
- *global = mkpathdup("%s/.gitconfig", home);
- }
-
- if (xdg) {
- if (!xdg_home)
- *xdg = NULL;
- else
- *xdg = mkpathdup("%s/git/%s", xdg_home, file);
- }
-
- free(to_free);
-}
-
-const char *git_path_submodule(const char *path, const char *fmt, ...)
-{
- struct strbuf *buf = get_pathname();
const char *git_dir;
- va_list args;
strbuf_addstr(buf, path);
if (buf->len && buf->buf[buf->len - 1] != '/')
}
strbuf_addch(buf, '/');
- va_start(args, fmt);
strbuf_vaddf(buf, fmt, args);
- va_end(args);
strbuf_cleanup_path(buf);
- return buf->buf;
+}
+
+char *git_pathdup_submodule(const char *path, const char *fmt, ...)
+{
+ va_list args;
+ struct strbuf buf = STRBUF_INIT;
+ va_start(args, fmt);
+ do_submodule_path(&buf, path, fmt, args);
+ va_end(args);
+ return strbuf_detach(&buf, NULL);
+}
+
+void strbuf_git_path_submodule(struct strbuf *buf, const char *path,
+ const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ do_submodule_path(buf, path, fmt, args);
+ va_end(args);
}
int validate_headref(const char *path)
* (3) "relative/path" to mean cwd relative directory; or
* (4) "/absolute/path" to mean absolute directory.
*
- * Unless "strict" is given, we try access() for existence of "%s.git/.git",
- * "%s/.git", "%s.git", "%s" in this order. The first one that exists is
- * what we try.
- *
- * Second, we try chdir() to that. Upon failure, we return NULL.
- *
- * Then, we try if the current directory is a valid git repository.
- * Upon failure, we return NULL.
+ * 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
* normalized, any time "../" eats up to the prefix_len part,
* prefix_len is reduced. In the end prefix_len is the remaining
* prefix that has not been overridden by user pathspec.
+ *
+ * NEEDSWORK: This function doesn't perform normalization w.r.t. trailing '/'.
+ * For everything but the root folder itself, the normalized path should not
+ * end with a '/', then the callers need to be fixed up accordingly.
+ *
*/
int normalize_path_copy_len(char *dst, const char *src, int *prefix_len)
{
}
}
}
+
+static int only_spaces_and_periods(const char *path, size_t len, size_t skip)
+{
+ if (len < skip)
+ return 0;
+ len -= skip;
+ path += skip;
+ while (len-- > 0) {
+ char c = *(path++);
+ if (c != ' ' && c != '.')
+ return 0;
+ }
+ return 1;
+}
+
+int is_ntfs_dotgit(const char *name)
+{
+ int len;
+
+ for (len = 0; ; len++)
+ if (!name[len] || name[len] == '\\' || is_dir_sep(name[len])) {
+ if (only_spaces_and_periods(name, len, 4) &&
+ !strncasecmp(name, ".git", 4))
+ return 1;
+ if (only_spaces_and_periods(name, len, 5) &&
+ !strncasecmp(name, "git~1", 5))
+ return 1;
+ if (name[len] != '\\')
+ return 0;
+ name += len + 1;
+ len = -1;
+ }
+}
+
+char *xdg_config_home(const char *filename)
+{
+ const char *home, *config_home;
+
+ assert(filename);
+ config_home = getenv("XDG_CONFIG_HOME");
+ if (config_home && *config_home)
+ return mkpathdup("%s/git/%s", config_home, filename);
+
+ home = getenv("HOME");
+ if (home)
+ return mkpathdup("%s/.config/git/%s", home, filename);
+ return NULL;
+}
+
+GIT_PATH_FUNC(git_path_cherry_pick_head, "CHERRY_PICK_HEAD")
+GIT_PATH_FUNC(git_path_revert_head, "REVERT_HEAD")
+GIT_PATH_FUNC(git_path_squash_msg, "SQUASH_MSG")
+GIT_PATH_FUNC(git_path_merge_msg, "MERGE_MSG")
+GIT_PATH_FUNC(git_path_merge_rr, "MERGE_RR")
+GIT_PATH_FUNC(git_path_merge_mode, "MERGE_MODE")
+GIT_PATH_FUNC(git_path_merge_head, "MERGE_HEAD")
+GIT_PATH_FUNC(git_path_fetch_head, "FETCH_HEAD")
+GIT_PATH_FUNC(git_path_shallow, "shallow")