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-rw-r--r--cache.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/cache.h b/cache.h
index 92fc9f112..6e9a0a6d0 100644
--- a/cache.h
+++ b/cache.h
@@ -578,6 +578,8 @@ struct lock_file {
#define LOCK_DIE_ON_ERROR 1
#define LOCK_NODEREF 2
extern int unable_to_lock_error(const char *path, int err);
+extern void unable_to_lock_message(const char *path, int err,
+ struct strbuf *buf);
extern NORETURN void unable_to_lock_index_die(const char *path, int err);
extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
extern int hold_lock_file_for_append(struct lock_file *, const char *path, int);
@@ -995,7 +997,7 @@ extern int read_ref(const char *refname, unsigned char *sha1);
* NULL. If more than MAXDEPTH recursive symbolic lookups are needed,
* give up and return NULL.
*
- * errno is sometimes set on errors, but not always.
+ * errno is set to something meaningful on error.
*/
extern const char *resolve_ref_unsafe(const char *ref, unsigned char *sha1, int reading, int *flag);
extern char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag);