summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--builtin/clean.c26
-rw-r--r--cache.h20
-rw-r--r--refs/files-backend.c46
-rw-r--r--setup.c17
-rwxr-xr-xt/perf/p7300-clean.sh4
-rwxr-xr-xt/t3000-ls-files-others.sh7
6 files changed, 80 insertions, 40 deletions
diff --git a/builtin/clean.c b/builtin/clean.c
index cc5f9723de..7b08237480 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -147,30 +147,6 @@ static int exclude_cb(const struct option *opt, const char *arg, int unset)
return 0;
}
-/*
- * Return 1 if the given path is the root of a git repository or
- * submodule else 0. Will not return 1 for bare repositories with the
- * exception of creating a bare repository in "foo/.git" and calling
- * is_git_repository("foo").
- */
-static int is_git_repository(struct strbuf *path)
-{
- int ret = 0;
- int gitfile_error;
- size_t orig_path_len = path->len;
- assert(orig_path_len != 0);
- strbuf_complete(path, '/');
- strbuf_addstr(path, ".git");
- if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
- ret = 1;
- if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
- gitfile_error == READ_GITFILE_ERR_READ_FAILED)
- ret = 1; /* This could be a real .git file, take the
- * safe option and avoid cleaning */
- strbuf_setlen(path, orig_path_len);
- return ret;
-}
-
static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
int dry_run, int quiet, int *dir_gone)
{
@@ -182,7 +158,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
*dir_gone = 1;
- if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_git_repository(path)) {
+ if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_nonbare_repository_dir(path)) {
if (!quiet) {
quote_path_relative(path->buf, prefix, &quoted);
printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
diff --git a/cache.h b/cache.h
index dfc459c063..553b04bfb8 100644
--- a/cache.h
+++ b/cache.h
@@ -458,7 +458,6 @@ extern char *git_work_tree_cfg;
extern int is_inside_work_tree(void);
extern const char *get_git_dir(void);
extern const char *get_git_common_dir(void);
-extern int is_git_directory(const char *path);
extern char *get_object_directory(void);
extern char *get_index_file(void);
extern char *get_graft_file(void);
@@ -469,6 +468,25 @@ extern const char *get_git_namespace(void);
extern const char *strip_namespace(const char *namespaced_ref);
extern const char *get_git_work_tree(void);
+/*
+ * Return true if the given path is a git directory; note that this _just_
+ * looks at the directory itself. If you want to know whether "foo/.git"
+ * is a repository, you must feed that path, not just "foo".
+ */
+extern int is_git_directory(const char *path);
+
+/*
+ * Return 1 if the given path is the root of a git repository or
+ * submodule, else 0. Will not return 1 for bare repositories with the
+ * exception of creating a bare repository in "foo/.git" and calling
+ * is_git_repository("foo").
+ *
+ * If we run into read errors, we err on the side of saying "yes, it is",
+ * as we usually consider sub-repos precious, and would prefer to err on the
+ * side of not disrupting or deleting them.
+ */
+extern int is_nonbare_repository_dir(struct strbuf *path);
+
#define READ_GITFILE_ERR_STAT_FAILED 1
#define READ_GITFILE_ERR_NOT_A_FILE 2
#define READ_GITFILE_ERR_OPEN_FAILED 3
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 81c92b410e..b569762888 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -933,6 +933,10 @@ static void clear_loose_ref_cache(struct ref_cache *refs)
}
}
+/*
+ * Create a new submodule ref cache and add it to the internal
+ * set of caches.
+ */
static struct ref_cache *create_ref_cache(const char *submodule)
{
int len;
@@ -942,16 +946,12 @@ static struct ref_cache *create_ref_cache(const char *submodule)
len = strlen(submodule) + 1;
refs = xcalloc(1, sizeof(struct ref_cache) + len);
memcpy(refs->name, submodule, len);
+ refs->next = submodule_ref_caches;
+ submodule_ref_caches = refs;
return refs;
}
-/*
- * Return a pointer to a ref_cache for the specified submodule. For
- * the main repository, use submodule==NULL. The returned structure
- * will be allocated and initialized but not necessarily populated; it
- * should not be freed.
- */
-static struct ref_cache *get_ref_cache(const char *submodule)
+static struct ref_cache *lookup_ref_cache(const char *submodule)
{
struct ref_cache *refs;
@@ -961,10 +961,20 @@ static struct ref_cache *get_ref_cache(const char *submodule)
for (refs = submodule_ref_caches; refs; refs = refs->next)
if (!strcmp(submodule, refs->name))
return refs;
+ return NULL;
+}
- refs = create_ref_cache(submodule);
- refs->next = submodule_ref_caches;
- submodule_ref_caches = refs;
+/*
+ * Return a pointer to a ref_cache for the specified submodule. For
+ * the main repository, use submodule==NULL. The returned structure
+ * will be allocated and initialized but not necessarily populated; it
+ * should not be freed.
+ */
+static struct ref_cache *get_ref_cache(const char *submodule)
+{
+ struct ref_cache *refs = lookup_ref_cache(submodule);
+ if (!refs)
+ refs = create_ref_cache(submodule);
return refs;
}
@@ -1336,16 +1346,24 @@ static int resolve_gitlink_ref_recursive(struct ref_cache *refs,
int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *sha1)
{
int len = strlen(path), retval;
- char *submodule;
+ struct strbuf submodule = STRBUF_INIT;
struct ref_cache *refs;
while (len && path[len-1] == '/')
len--;
if (!len)
return -1;
- submodule = xstrndup(path, len);
- refs = get_ref_cache(submodule);
- free(submodule);
+
+ strbuf_add(&submodule, path, len);
+ refs = lookup_ref_cache(submodule.buf);
+ if (!refs) {
+ if (!is_nonbare_repository_dir(&submodule)) {
+ strbuf_release(&submodule);
+ return -1;
+ }
+ refs = create_ref_cache(submodule.buf);
+ }
+ strbuf_release(&submodule);
retval = resolve_gitlink_ref_recursive(refs, refname, sha1, 0);
return retval;
diff --git a/setup.c b/setup.c
index d34372520b..2c4b22c845 100644
--- a/setup.c
+++ b/setup.c
@@ -312,6 +312,23 @@ done:
return ret;
}
+int is_nonbare_repository_dir(struct strbuf *path)
+{
+ int ret = 0;
+ int gitfile_error;
+ size_t orig_path_len = path->len;
+ assert(orig_path_len != 0);
+ strbuf_complete(path, '/');
+ strbuf_addstr(path, ".git");
+ if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
+ ret = 1;
+ if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
+ gitfile_error == READ_GITFILE_ERR_READ_FAILED)
+ ret = 1;
+ strbuf_setlen(path, orig_path_len);
+ return ret;
+}
+
int is_inside_git_dir(void)
{
if (inside_git_dir < 0)
diff --git a/t/perf/p7300-clean.sh b/t/perf/p7300-clean.sh
index ec94cdd657..7c1888a27e 100755
--- a/t/perf/p7300-clean.sh
+++ b/t/perf/p7300-clean.sh
@@ -28,4 +28,8 @@ test_perf 'clean many untracked sub dirs, ignore nested git' '
git clean -n -q -f -f -d 100000_sub_dirs/
'
+test_perf 'ls-files -o' '
+ git ls-files -o
+'
+
test_done
diff --git a/t/t3000-ls-files-others.sh b/t/t3000-ls-files-others.sh
index 88be904c09..c525656b2c 100755
--- a/t/t3000-ls-files-others.sh
+++ b/t/t3000-ls-files-others.sh
@@ -65,6 +65,13 @@ test_expect_success '--no-empty-directory hides empty directory' '
test_cmp expected3 output
'
+test_expect_success 'ls-files --others handles non-submodule .git' '
+ mkdir not-a-submodule &&
+ echo foo >not-a-submodule/.git &&
+ git ls-files -o >output &&
+ test_cmp expected1 output
+'
+
test_expect_success SYMLINKS 'ls-files --others with symlinked submodule' '
git init super &&
git init sub &&