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-rw-r--r--shallow.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/shallow.c b/shallow.c
index bbc98b55c0..1a6f022fa8 100644
--- a/shallow.c
+++ b/shallow.c
@@ -10,7 +10,7 @@
#include "commit-slab.h"
static int is_shallow = -1;
-static struct stat shallow_stat;
+static struct stat_validity shallow_stat;
static char *alternate_shallow_file;
void set_alternate_shallow_file(const char *path, int override)
@@ -52,12 +52,12 @@ int is_repository_shallow(void)
* shallow file should be used. We could just open it and it
* will likely fail. But let's do an explicit check instead.
*/
- if (!*path ||
- stat(path, &shallow_stat) ||
- (fp = fopen(path, "r")) == NULL) {
+ if (!*path || (fp = fopen(path, "r")) == NULL) {
+ stat_validity_clear(&shallow_stat);
is_shallow = 0;
return is_shallow;
}
+ stat_validity_update(&shallow_stat, fileno(fp));
is_shallow = 1;
while (fgets(buf, sizeof(buf), fp)) {
@@ -137,21 +137,11 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
void check_shallow_file_for_update(void)
{
- struct stat st;
-
- if (!is_shallow)
- return;
- else if (is_shallow == -1)
+ if (is_shallow == -1)
die("BUG: shallow must be initialized by now");
- if (stat(git_path("shallow"), &st))
- die("shallow file was removed during fetch");
- else if (st.st_mtime != shallow_stat.st_mtime
-#ifdef USE_NSEC
- || ST_MTIME_NSEC(st) != ST_MTIME_NSEC(shallow_stat)
-#endif
- )
- die("shallow file was changed during fetch");
+ if (!stat_validity_check(&shallow_stat, git_path("shallow")))
+ die("shallow file has changed since we read it");
}
#define SEEN_ONLY 1