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-rw-r--r--refs.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/refs.c b/refs.c
index f5dbf01e1..57074b555 100644
--- a/refs.c
+++ b/refs.c
@@ -3063,8 +3063,13 @@ static int should_autocreate_reflog(const char *refname)
!strcmp(refname, "HEAD");
}
-/* This function will fill in *err and return -1 on failure */
-int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf *err)
+/*
+ * Create a reflog for a ref. If force_create = 0, the reflog will
+ * only be created for certain refs (those for which
+ * should_autocreate_reflog returns non-zero. Otherwise, create it
+ * regardless of the ref name. Fill in *err and return -1 on failure.
+ */
+static int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf *err, int force_create)
{
int logfd, oflags = O_APPEND | O_WRONLY;
char *logfile;
@@ -3073,7 +3078,7 @@ int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf
logfile = sb_logfile->buf;
/* make sure the rest of the function can't change "logfile" */
sb_logfile = NULL;
- if (should_autocreate_reflog(refname)) {
+ if (force_create || should_autocreate_reflog(refname)) {
if (safe_create_leading_directories(logfile) < 0) {
strbuf_addf(err, "unable to create directory for %s: "
"%s", logfile, strerror(errno));
@@ -3108,6 +3113,17 @@ int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf
return 0;
}
+
+int safe_create_reflog(const char *refname, int force_create, struct strbuf *err)
+{
+ int ret;
+ struct strbuf sb = STRBUF_INIT;
+
+ ret = log_ref_setup(refname, &sb, err, force_create);
+ strbuf_release(&sb);
+ return ret;
+}
+
static int log_ref_write_fd(int fd, const unsigned char *old_sha1,
const unsigned char *new_sha1,
const char *committer, const char *msg)
@@ -3144,7 +3160,7 @@ static int log_ref_write_1(const char *refname, const unsigned char *old_sha1,
if (log_all_ref_updates < 0)
log_all_ref_updates = !is_bare_repository();
- result = log_ref_setup(refname, sb_log_file, err);
+ result = log_ref_setup(refname, sb_log_file, err, 0);
if (result)
return result;