From: Ronnie Sahlberg <sahlb...@google.com>
Move update_ref() to the refs.c file since this function does not
contain any backend specific code. Move the ref classifier functions
and write_pseudoref as well, since update_ref depends on them.
Based on Ronnie Sahlberg's patch
Signed-off-by: Ronnie Sahlberg <sahlb...@google.com>
Signed-off-by: David Turner <dtur...@twopensource.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
refs-be-files.c | 117 +-------------------------------------------------------
refs.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 117 insertions(+), 116 deletions(-)
diff --git a/refs-be-files.c b/refs-be-files.c
index fe71ea0..f03d68c 100644
--- a/refs-be-files.c
+++ b/refs-be-files.c
@@ -2675,8 +2675,6 @@ struct pack_refs_cb_data {
struct ref_to_prune *ref_to_prune;
};
-static int is_per_worktree_ref(const char *refname);
-
/*
* An each_ref_entry_fn that is run over loose references only. If
* the loose reference can be packed, add an entry in the packed ref
@@ -2691,7 +2689,7 @@ static int pack_if_possible_fn(struct ref_entry *entry,
void *cb_data)
int is_tag_ref = starts_with(entry->name, "refs/tags/");
/* Do not pack per-worktree refs: */
- if (is_per_worktree_ref(entry->name))
+ if (ref_type(entry->name) == REF_TYPE_PER_WORKTREE)
return 0;
/* ALWAYS pack tags */
@@ -2886,77 +2884,6 @@ static int delete_ref_loose(struct ref_lock *lock, int
flag, struct strbuf *err)
return 0;
}
-static int is_per_worktree_ref(const char *refname)
-{
- return !strcmp(refname, "HEAD") ||
- starts_with(refname, "refs/bisect/");
-}
-
-static int is_pseudoref_syntax(const char *refname)
-{
- const char *c;
-
- for (c = refname; *c; c++) {
- if (!isupper(*c) && *c != '-' && *c != '_')
- return 0;
- }
-
- return 1;
-}
-
-enum ref_type ref_type(const char *refname)
-{
- if (is_per_worktree_ref(refname))
- return REF_TYPE_PER_WORKTREE;
- if (is_pseudoref_syntax(refname))
- return REF_TYPE_PSEUDOREF;
- return REF_TYPE_NORMAL;
-}
-
-static int write_pseudoref(const char *pseudoref, const unsigned char *sha1,
- const unsigned char *old_sha1, struct strbuf *err)
-{
- const char *filename;
- int fd;
- static struct lock_file lock;
- struct strbuf buf = STRBUF_INIT;
- int ret = -1;
-
- strbuf_addf(&buf, "%s\n", sha1_to_hex(sha1));
-
- filename = git_path("%s", pseudoref);
- fd = hold_lock_file_for_update(&lock, filename, LOCK_DIE_ON_ERROR);
- if (fd < 0) {
- strbuf_addf(err, "Could not open '%s' for writing: %s",
- filename, strerror(errno));
- return -1;
- }
-
- if (old_sha1) {
- unsigned char actual_old_sha1[20];
-
- if (read_ref(pseudoref, actual_old_sha1))
- die("could not read ref '%s'", pseudoref);
- if (hashcmp(actual_old_sha1, old_sha1)) {
- strbuf_addf(err, "Unexpected sha1 when writing %s",
pseudoref);
- rollback_lock_file(&lock);
- goto done;
- }
- }
-
- if (write_in_full(fd, buf.buf, buf.len) != buf.len) {
- strbuf_addf(err, "Could not write to '%s'", filename);
- rollback_lock_file(&lock);
- goto done;
- }
-
- commit_lock_file(&lock);
- ret = 0;
-done:
- strbuf_release(&buf);
- return ret;
-}
-
static int delete_pseudoref(const char *pseudoref, const unsigned char
*old_sha1)
{
static struct lock_file lock;
@@ -4105,48 +4032,6 @@ int ref_transaction_verify(struct ref_transaction
*transaction,
flags, NULL, err);
}
-int update_ref(const char *msg, const char *refname,
- const unsigned char *new_sha1, const unsigned char *old_sha1,
- unsigned int flags, enum action_on_err onerr)
-{
- struct ref_transaction *t = NULL;
- struct strbuf err = STRBUF_INIT;
- int ret = 0;
-
- if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
- ret = write_pseudoref(refname, new_sha1, old_sha1, &err);
- } else {
- t = ref_transaction_begin(&err);
- if (!t ||
- ref_transaction_update(t, refname, new_sha1, old_sha1,
- flags, msg, &err) ||
- ref_transaction_commit(t, &err)) {
- ret = 1;
- ref_transaction_free(t);
- }
- }
- if (ret) {
- const char *str = "update_ref failed for ref '%s': %s";
-
- switch (onerr) {
- case UPDATE_REFS_MSG_ON_ERR:
- error(str, refname, err.buf);
- break;
- case UPDATE_REFS_DIE_ON_ERR:
- die(str, refname, err.buf);
- break;
- case UPDATE_REFS_QUIET_ON_ERR:
- break;
- }
- strbuf_release(&err);
- return 1;
- }
- strbuf_release(&err);
- if (t)
- ref_transaction_free(t);
- return 0;
-}
-
static int ref_update_reject_duplicates(struct string_list *refnames,
struct strbuf *err)
{
diff --git a/refs.c b/refs.c
index 77492ff..610fab0 100644
--- a/refs.c
+++ b/refs.c
@@ -1,3 +1,119 @@
/*
* Common refs code for all backends.
*/
+#include "cache.h"
+#include "refs.h"
+#include "lockfile.h"
+
+static int is_per_worktree_ref(const char *refname)
+{
+ return !strcmp(refname, "HEAD") ||
+ starts_with(refname, "refs/bisect/");
+}
+
+static int is_pseudoref_syntax(const char *refname)
+{
+ const char *c;
+
+ for (c = refname; *c; c++) {
+ if (!isupper(*c) && *c != '-' && *c != '_')
+ return 0;
+ }
+
+ return 1;
+}
+
+enum ref_type ref_type(const char *refname)
+{
+ if (is_per_worktree_ref(refname))
+ return REF_TYPE_PER_WORKTREE;
+ if (is_pseudoref_syntax(refname))
+ return REF_TYPE_PSEUDOREF;
+ return REF_TYPE_NORMAL;
+}
+
+static int write_pseudoref(const char *pseudoref, const unsigned char *sha1,
+ const unsigned char *old_sha1, struct strbuf *err)
+{
+ const char *filename;
+ int fd;
+ static struct lock_file lock;
+ struct strbuf buf = STRBUF_INIT;
+ int ret = -1;
+
+ strbuf_addf(&buf, "%s\n", sha1_to_hex(sha1));
+
+ filename = git_path("%s", pseudoref);
+ fd = hold_lock_file_for_update(&lock, filename, LOCK_DIE_ON_ERROR);
+ if (fd < 0) {
+ strbuf_addf(err, "Could not open '%s' for writing: %s",
+ filename, strerror(errno));
+ return -1;
+ }
+
+ if (old_sha1) {
+ unsigned char actual_old_sha1[20];
+
+ if (read_ref(pseudoref, actual_old_sha1))
+ die("could not read ref '%s'", pseudoref);
+ if (hashcmp(actual_old_sha1, old_sha1)) {
+ strbuf_addf(err, "Unexpected sha1 when writing %s",
pseudoref);
+ rollback_lock_file(&lock);
+ goto done;
+ }
+ }
+
+ if (write_in_full(fd, buf.buf, buf.len) != buf.len) {
+ strbuf_addf(err, "Could not write to '%s'", filename);
+ rollback_lock_file(&lock);
+ goto done;
+ }
+
+ commit_lock_file(&lock);
+ ret = 0;
+done:
+ strbuf_release(&buf);
+ return ret;
+}
+
+int update_ref(const char *msg, const char *refname,
+ const unsigned char *new_sha1, const unsigned char *old_sha1,
+ unsigned int flags, enum action_on_err onerr)
+{
+ struct ref_transaction *t = NULL;
+ struct strbuf err = STRBUF_INIT;
+ int ret = 0;
+
+ if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
+ ret = write_pseudoref(refname, new_sha1, old_sha1, &err);
+ } else {
+ t = ref_transaction_begin(&err);
+ if (!t ||
+ ref_transaction_update(t, refname, new_sha1, old_sha1,
+ flags, msg, &err) ||
+ ref_transaction_commit(t, &err)) {
+ ret = 1;
+ ref_transaction_free(t);
+ }
+ }
+ if (ret) {
+ const char *str = "update_ref failed for ref '%s': %s";
+
+ switch (onerr) {
+ case UPDATE_REFS_MSG_ON_ERR:
+ error(str, refname, err.buf);
+ break;
+ case UPDATE_REFS_DIE_ON_ERR:
+ die(str, refname, err.buf);
+ break;
+ case UPDATE_REFS_QUIET_ON_ERR:
+ break;
+ }
+ strbuf_release(&err);
+ return 1;
+ }
+ strbuf_release(&err);
+ if (t)
+ ref_transaction_free(t);
+ return 0;
+}
--
2.4.2.658.g6d8523e-twtrsrc
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