#include "iterator.h"
#include "refs.h"
#include "refs/refs-internal.h"
+#include "run-command.h"
#include "object-store.h"
#include "object.h"
#include "tag.h"
#include "submodule.h"
#include "worktree.h"
-#include "argv-array.h"
+#include "strvec.h"
#include "repository.h"
+#include "sigchain.h"
/*
* List of all available backends
if (o->type == OBJ_NONE) {
int type = oid_object_info(the_repository, name, NULL);
- if (type < 0 || !object_as_type(the_repository, o, type, 0))
+ if (type < 0 || !object_as_type(o, type, 0))
return PEEL_INVALID;
}
* Given a 'prefix' expand it by the rules in 'ref_rev_parse_rules' and add
* the results to 'prefixes'
*/
-void expand_ref_prefix(struct argv_array *prefixes, const char *prefix)
+void expand_ref_prefix(struct strvec *prefixes, const char *prefix)
{
const char **p;
int len = strlen(prefix);
for (p = ref_rev_parse_rules; *p; p++)
- argv_array_pushf(prefixes, *p, len, prefix);
+ strvec_pushf(prefixes, *p, len, prefix);
+}
+
+char *repo_default_branch_name(struct repository *r)
+{
+ const char *config_key = "init.defaultbranch";
+ const char *config_display_key = "init.defaultBranch";
+ char *ret = NULL, *full_ref;
+
+ if (repo_config_get_string(r, config_key, &ret) < 0)
+ die(_("could not retrieve `%s`"), config_display_key);
+
+ if (!ret)
+ ret = xstrdup("master");
+
+ full_ref = xstrfmt("refs/heads/%s", ret);
+ if (check_refname_format(full_ref, 0))
+ die(_("invalid branch name: %s = %s"), config_display_key, ret);
+ free(full_ref);
+
+ return ret;
+}
+
+const char *git_default_branch_name(void)
+{
+ static char *ret;
+
+ if (!ret)
+ ret = repo_default_branch_name(the_repository);
+
+ return ret;
}
/*
static int is_per_worktree_ref(const char *refname)
{
- return !strcmp(refname, "HEAD") ||
- starts_with(refname, "refs/worktree/") ||
- starts_with(refname, "refs/bisect/") ||
- starts_with(refname, "refs/rewritten/");
+ return starts_with(refname, "refs/worktree/") ||
+ starts_with(refname, "refs/bisect/") ||
+ starts_with(refname, "refs/rewritten/");
}
static int is_pseudoref_syntax(const char *refname)
return timeout_ms;
}
-static int write_pseudoref(const char *pseudoref, const struct object_id *oid,
- const struct object_id *old_oid, struct strbuf *err)
-{
- const char *filename;
- int fd;
- struct lock_file lock = LOCK_INIT;
- struct strbuf buf = STRBUF_INIT;
- int ret = -1;
-
- if (!oid)
- return 0;
-
- strbuf_addf(&buf, "%s\n", oid_to_hex(oid));
-
- filename = git_path("%s", pseudoref);
- fd = hold_lock_file_for_update_timeout(&lock, filename, 0,
- get_files_ref_lock_timeout_ms());
- if (fd < 0) {
- strbuf_addf(err, _("could not open '%s' for writing: %s"),
- filename, strerror(errno));
- goto done;
- }
-
- if (old_oid) {
- struct object_id actual_old_oid;
-
- if (read_ref(pseudoref, &actual_old_oid)) {
- if (!is_null_oid(old_oid)) {
- strbuf_addf(err, _("could not read ref '%s'"),
- pseudoref);
- rollback_lock_file(&lock);
- goto done;
- }
- } else if (is_null_oid(old_oid)) {
- strbuf_addf(err, _("ref '%s' already exists"),
- pseudoref);
- rollback_lock_file(&lock);
- goto done;
- } else if (!oideq(&actual_old_oid, old_oid)) {
- strbuf_addf(err, _("unexpected object ID when writing '%s'"),
- pseudoref);
- rollback_lock_file(&lock);
- goto done;
- }
- }
-
- if (write_in_full(fd, buf.buf, buf.len) < 0) {
- 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 struct object_id *old_oid)
-{
- const char *filename;
-
- filename = git_path("%s", pseudoref);
-
- if (old_oid && !is_null_oid(old_oid)) {
- struct lock_file lock = LOCK_INIT;
- int fd;
- struct object_id actual_old_oid;
-
- fd = hold_lock_file_for_update_timeout(
- &lock, filename, 0,
- get_files_ref_lock_timeout_ms());
- if (fd < 0) {
- error_errno(_("could not open '%s' for writing"),
- filename);
- return -1;
- }
- if (read_ref(pseudoref, &actual_old_oid))
- die(_("could not read ref '%s'"), pseudoref);
- if (!oideq(&actual_old_oid, old_oid)) {
- error(_("unexpected object ID when deleting '%s'"),
- pseudoref);
- rollback_lock_file(&lock);
- return -1;
- }
-
- unlink(filename);
- rollback_lock_file(&lock);
- } else {
- unlink(filename);
- }
-
- return 0;
-}
-
int refs_delete_ref(struct ref_store *refs, const char *msg,
const char *refname,
const struct object_id *old_oid,
struct ref_transaction *transaction;
struct strbuf err = STRBUF_INIT;
- if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
- assert(refs == get_main_ref_store(the_repository));
- return delete_pseudoref(refname, old_oid);
- }
-
transaction = ref_store_transaction_begin(refs, &err);
if (!transaction ||
ref_transaction_delete(transaction, refname, old_oid,
old_oid, flags);
}
-void copy_reflog_msg(struct strbuf *sb, const char *msg)
+static void copy_reflog_msg(struct strbuf *sb, const char *msg)
{
char c;
int wasspace = 1;
- strbuf_addch(sb, '\t');
while ((c = *msg++)) {
if (wasspace && isspace(c))
continue;
strbuf_rtrim(sb);
}
+static char *normalize_reflog_message(const char *msg)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ if (msg && *msg)
+ copy_reflog_msg(&sb, msg);
+ return strbuf_detach(&sb, NULL);
+}
+
int should_autocreate_reflog(const char *refname)
{
switch (log_all_ref_updates) {
oidcpy(&update->new_oid, new_oid);
if (flags & REF_HAVE_OLD)
oidcpy(&update->old_oid, old_oid);
- update->msg = xstrdup_or_null(msg);
+ update->msg = normalize_reflog_message(msg);
return update;
}
struct strbuf err = STRBUF_INIT;
int ret = 0;
- if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
- assert(refs == get_main_ref_store(the_repository));
- ret = write_pseudoref(refname, new_oid, old_oid, &err);
- } else {
- t = ref_store_transaction_begin(refs, &err);
- if (!t ||
- ref_transaction_update(t, refname, new_oid, old_oid,
- flags, msg, &err) ||
- ref_transaction_commit(t, &err)) {
- ret = 1;
- ref_transaction_free(t);
- }
+ t = ref_store_transaction_begin(refs, &err);
+ if (!t ||
+ ref_transaction_update(t, refname, new_oid, old_oid, 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");
const char *refs_heads_master,
const char *logmsg)
{
- return refs->be->create_symref(refs, ref_target,
- refs_heads_master,
- logmsg);
+ char *msg;
+ int retval;
+
+ msg = normalize_reflog_message(logmsg);
+ retval = refs->be->create_symref(refs, ref_target, refs_heads_master,
+ msg);
+ free(msg);
+ return retval;
}
int create_symref(const char *ref_target, const char *refs_heads_master,
return 0;
}
+static const char hook_not_found;
+static const char *hook;
+
+static int run_transaction_hook(struct ref_transaction *transaction,
+ const char *state)
+{
+ struct child_process proc = CHILD_PROCESS_INIT;
+ struct strbuf buf = STRBUF_INIT;
+ int ret = 0, i;
+
+ if (hook == &hook_not_found)
+ return ret;
+ if (!hook)
+ hook = xstrdup_or_null(find_hook("reference-transaction"));
+ if (!hook) {
+ hook = &hook_not_found;
+ return ret;
+ }
+
+ strvec_pushl(&proc.args, hook, state, NULL);
+ proc.in = -1;
+ proc.stdout_to_stderr = 1;
+ proc.trace2_hook_name = "reference-transaction";
+
+ ret = start_command(&proc);
+ if (ret)
+ return ret;
+
+ sigchain_push(SIGPIPE, SIG_IGN);
+
+ for (i = 0; i < transaction->nr; i++) {
+ struct ref_update *update = transaction->updates[i];
+
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "%s %s %s\n",
+ oid_to_hex(&update->old_oid),
+ oid_to_hex(&update->new_oid),
+ update->refname);
+
+ if (write_in_full(proc.in, buf.buf, buf.len) < 0) {
+ if (errno != EPIPE)
+ ret = -1;
+ break;
+ }
+ }
+
+ close(proc.in);
+ sigchain_pop(SIGPIPE);
+ strbuf_release(&buf);
+
+ ret |= finish_command(&proc);
+ return ret;
+}
+
int ref_transaction_prepare(struct ref_transaction *transaction,
struct strbuf *err)
{
struct ref_store *refs = transaction->ref_store;
+ int ret;
switch (transaction->state) {
case REF_TRANSACTION_OPEN:
return -1;
}
- return refs->be->transaction_prepare(refs, transaction, err);
+ ret = refs->be->transaction_prepare(refs, transaction, err);
+ if (ret)
+ return ret;
+
+ ret = run_transaction_hook(transaction, "prepared");
+ if (ret) {
+ ref_transaction_abort(transaction, err);
+ die(_("ref updates aborted by hook"));
+ }
+
+ return 0;
}
int ref_transaction_abort(struct ref_transaction *transaction,
break;
}
+ run_transaction_hook(transaction, "aborted");
+
ref_transaction_free(transaction);
return ret;
}
break;
}
- return refs->be->transaction_finish(refs, transaction, err);
+ ret = refs->be->transaction_finish(refs, transaction, err);
+ if (!ret)
+ run_transaction_hook(transaction, "committed");
+ return ret;
}
int refs_verify_refname_available(struct ref_store *refs,
return refs->be->initial_transaction_commit(refs, transaction, err);
}
-int refs_delete_refs(struct ref_store *refs, const char *msg,
+int refs_delete_refs(struct ref_store *refs, const char *logmsg,
struct string_list *refnames, unsigned int flags)
{
- return refs->be->delete_refs(refs, msg, refnames, flags);
+ char *msg;
+ int retval;
+
+ msg = normalize_reflog_message(logmsg);
+ retval = refs->be->delete_refs(refs, msg, refnames, flags);
+ free(msg);
+ return retval;
}
int delete_refs(const char *msg, struct string_list *refnames,
int refs_rename_ref(struct ref_store *refs, const char *oldref,
const char *newref, const char *logmsg)
{
- return refs->be->rename_ref(refs, oldref, newref, logmsg);
+ char *msg;
+ int retval;
+
+ msg = normalize_reflog_message(logmsg);
+ retval = refs->be->rename_ref(refs, oldref, newref, msg);
+ free(msg);
+ return retval;
}
int rename_ref(const char *oldref, const char *newref, const char *logmsg)
int refs_copy_existing_ref(struct ref_store *refs, const char *oldref,
const char *newref, const char *logmsg)
{
- return refs->be->copy_ref(refs, oldref, newref, logmsg);
+ char *msg;
+ int retval;
+
+ msg = normalize_reflog_message(logmsg);
+ retval = refs->be->copy_ref(refs, oldref, newref, msg);
+ free(msg);
+ return retval;
}
int copy_existing_ref(const char *oldref, const char *newref, const char *logmsg)
projects / thirdparty / git.git / blobdiff