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Diffstat (limited to 'refs.c')
-rw-r--r--refs.c87
1 files changed, 56 insertions, 31 deletions
diff --git a/refs.c b/refs.c
index a7518b6f0d..b5400674d7 100644
--- a/refs.c
+++ b/refs.c
@@ -314,7 +314,11 @@ static int warn_if_dangling_symref(const char *refname, const unsigned char *sha
void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname)
{
- struct warn_if_dangling_data data = { fp, refname, msg_fmt };
+ struct warn_if_dangling_data data;
+
+ data.fp = fp;
+ data.refname = refname;
+ data.msg_fmt = msg_fmt;
for_each_rawref(warn_if_dangling_symref, &data);
}
@@ -698,7 +702,6 @@ int for_each_glob_ref_in(each_ref_fn fn, const char *pattern,
{
struct strbuf real_pattern = STRBUF_INIT;
struct ref_filter filter;
- const char *has_glob_specials;
int ret;
if (!prefix && prefixcmp(pattern, "refs/"))
@@ -707,8 +710,7 @@ int for_each_glob_ref_in(each_ref_fn fn, const char *pattern,
strbuf_addstr(&real_pattern, prefix);
strbuf_addstr(&real_pattern, pattern);
- has_glob_specials = strpbrk(pattern, "?*[");
- if (!has_glob_specials) {
+ if (!has_glob_specials(pattern)) {
/* Append implied '/' '*' if not present. */
if (real_pattern.buf[real_pattern.len - 1] != '/')
strbuf_addch(&real_pattern, '/');
@@ -1088,6 +1090,15 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
return ret;
}
+/*
+ * People using contrib's git-new-workdir have .git/logs/refs ->
+ * /some/other/path/.git/logs/refs, and that may live on another device.
+ *
+ * IOW, to avoid cross device rename errors, the temporary renamed log must
+ * live into logs/refs.
+ */
+#define TMP_RENAMED_LOG "logs/refs/.tmp-renamed-log"
+
int rename_ref(const char *oldref, const char *newref, const char *logmsg)
{
static const char renamed_ref[] = "RENAMED-REF";
@@ -1121,8 +1132,8 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
if (write_ref_sha1(lock, orig_sha1, logmsg))
return error("unable to save current sha1 in %s", renamed_ref);
- if (log && rename(git_path("logs/%s", oldref), git_path("tmp-renamed-log")))
- return error("unable to move logfile logs/%s to tmp-renamed-log: %s",
+ if (log && rename(git_path("logs/%s", oldref), git_path(TMP_RENAMED_LOG)))
+ return error("unable to move logfile logs/%s to "TMP_RENAMED_LOG": %s",
oldref, strerror(errno));
if (delete_ref(oldref, orig_sha1, REF_NODEREF)) {
@@ -1148,7 +1159,7 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
}
retry:
- if (log && rename(git_path("tmp-renamed-log"), git_path("logs/%s", newref))) {
+ if (log && rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newref))) {
if (errno==EISDIR || errno==ENOTDIR) {
/*
* rename(a, b) when b is an existing
@@ -1161,7 +1172,7 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
}
goto retry;
} else {
- error("unable to move logfile tmp-renamed-log to logs/%s: %s",
+ error("unable to move logfile "TMP_RENAMED_LOG" to logs/%s: %s",
newref, strerror(errno));
goto rollback;
}
@@ -1201,8 +1212,8 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
error("unable to restore logfile %s from %s: %s",
oldref, newref, strerror(errno));
if (!logmoved && log &&
- rename(git_path("tmp-renamed-log"), git_path("logs/%s", oldref)))
- error("unable to restore logfile %s from tmp-renamed-log: %s",
+ rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", oldref)))
+ error("unable to restore logfile %s from "TMP_RENAMED_LOG": %s",
oldref, strerror(errno));
return 1;
@@ -1260,51 +1271,65 @@ static int copy_msg(char *buf, const char *msg)
return cp - buf;
}
-static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
- const unsigned char *new_sha1, const char *msg)
+int log_ref_setup(const char *ref_name, char *logfile, int bufsize)
{
- int logfd, written, oflags = O_APPEND | O_WRONLY;
- unsigned maxlen, len;
- int msglen;
- char log_file[PATH_MAX];
- char *logrec;
- const char *committer;
-
- if (log_all_ref_updates < 0)
- log_all_ref_updates = !is_bare_repository();
-
- git_snpath(log_file, sizeof(log_file), "logs/%s", ref_name);
+ int logfd, oflags = O_APPEND | O_WRONLY;
+ git_snpath(logfile, bufsize, "logs/%s", ref_name);
if (log_all_ref_updates &&
(!prefixcmp(ref_name, "refs/heads/") ||
!prefixcmp(ref_name, "refs/remotes/") ||
+ !prefixcmp(ref_name, "refs/notes/") ||
!strcmp(ref_name, "HEAD"))) {
- if (safe_create_leading_directories(log_file) < 0)
+ if (safe_create_leading_directories(logfile) < 0)
return error("unable to create directory for %s",
- log_file);
+ logfile);
oflags |= O_CREAT;
}
- logfd = open(log_file, oflags, 0666);
+ logfd = open(logfile, oflags, 0666);
if (logfd < 0) {
if (!(oflags & O_CREAT) && errno == ENOENT)
return 0;
if ((oflags & O_CREAT) && errno == EISDIR) {
- if (remove_empty_directories(log_file)) {
+ if (remove_empty_directories(logfile)) {
return error("There are still logs under '%s'",
- log_file);
+ logfile);
}
- logfd = open(log_file, oflags, 0666);
+ logfd = open(logfile, oflags, 0666);
}
if (logfd < 0)
return error("Unable to append to %s: %s",
- log_file, strerror(errno));
+ logfile, strerror(errno));
}
- adjust_shared_perm(log_file);
+ adjust_shared_perm(logfile);
+ close(logfd);
+ return 0;
+}
+
+static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
+ const unsigned char *new_sha1, const char *msg)
+{
+ int logfd, result, written, oflags = O_APPEND | O_WRONLY;
+ unsigned maxlen, len;
+ int msglen;
+ char log_file[PATH_MAX];
+ char *logrec;
+ const char *committer;
+
+ if (log_all_ref_updates < 0)
+ log_all_ref_updates = !is_bare_repository();
+
+ result = log_ref_setup(ref_name, log_file, sizeof(log_file));
+ if (result)
+ return result;
+ logfd = open(log_file, oflags);
+ if (logfd < 0)
+ return 0;
msglen = msg ? strlen(msg) : 0;
committer = git_committer_info(0);
maxlen = strlen(committer) + msglen + 100;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 18:36:55 +0000