[PATCH 04/20] path.c: add is_git_path_shared()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
cache.h | 2 ++
path.c | 27 ++++++++++++++++++++++-----
2 files changed, 24 insertions(+), 5 deletions(-)
diff --git a/cache.h b/cache.h
index ec71181..c75d13f 100644
--- a/cache.h
+++ b/cache.h
@@ -748,6 +748,8 @@ extern int check_repository_format(void);
extern const char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
extern const char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
extern const char *git_common_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
+extern int is_git_path_shared(const char *path);
+
extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
diff --git a/path.c b/path.c
index 08ff346..9e350e7 100644
--- a/path.c
+++ b/path.c
@@ -335,15 +335,18 @@ static int check_common(const char *unmatched, void *value, void *baton)
return 0;
}
-static void update_common_dir(struct strbuf *buf, int git_dir_len,
- const char *common_dir)
+static int update_common_dir(struct strbuf *buf, int git_dir_len,
+ const char *common_dir)
{
char *base = buf->buf + git_dir_len;
init_common_trie();
if (!common_dir)
common_dir = get_git_common_dir();
- if (trie_find(&common_trie, base, check_common, NULL) > 0)
+ if (trie_find(&common_trie, base, check_common, NULL) > 0) {
replace_dir(buf, git_dir_len, common_dir);
+ return 1;
+ }
+ return 0;
}
void report_linked_checkout_garbage(void)
@@ -368,7 +371,7 @@ void report_linked_checkout_garbage(void)
strbuf_release(&sb);
}
-static void adjust_git_path(struct strbuf *buf, int git_dir_len)
+static int 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"))
@@ -380,7 +383,10 @@ static void adjust_git_path(struct strbuf *buf, int git_dir_len)
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, NULL);
+ return update_common_dir(buf, git_dir_len, NULL);
+ else
+ return 0;
+ return 1;
}
static void do_git_path(struct strbuf *buf, const char *fmt, va_list args)
@@ -532,6 +538,17 @@ void strbuf_git_common_path(struct strbuf *sb, const char *fmt, ...)
va_end(args);
}
+int is_git_path_shared(const char *path)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int ret;
+
+ strbuf_addf(&buf, ".git/%s", path);
+ ret = adjust_git_path(&buf, 5);
+ strbuf_release(&buf);
+ return ret;
+}
+
int validate_headref(const char *path)
{
struct stat st;
--
2.7.0.377.g4cd97dd
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>