connect: split git:// setup into a separate function

diff --git a/refs.c b/refs.c
index a0c5078901294b36856644c5d5d96980b6735df2..83f0e687857dfaee3b91ce4d47b16f2f16945ce2 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -561,6 +561,21 @@ enum ref_type ref_type(const char *refname)
        return REF_TYPE_NORMAL;
 }
 
+long get_files_ref_lock_timeout_ms(void)
+{
+       static int configured = 0;
+
+       /* The default timeout is 100 ms: */
+       static int timeout_ms = 100;
+
+       if (!configured) {
+               git_config_get_int("core.filesreflocktimeout", &timeout_ms);
+               configured = 1;
+       }
+
+       return timeout_ms;
+}
+
 static int write_pseudoref(const char *pseudoref, const unsigned char *sha1,
                           const unsigned char *old_sha1, struct strbuf *err)
 {
@@ -573,11 +588,13 @@ static int write_pseudoref(const char *pseudoref, const unsigned char *sha1,
        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);
+       fd = hold_lock_file_for_update_timeout(&lock, filename,
+                                              LOCK_DIE_ON_ERROR,
+                                              get_files_ref_lock_timeout_ms());
        if (fd < 0) {
                strbuf_addf(err, "could not open '%s' for writing: %s",
                            filename, strerror(errno));
-               return -1;
+               goto done;
        }
 
        if (old_sha1) {
@@ -592,7 +609,7 @@ static int write_pseudoref(const char *pseudoref, const unsigned char *sha1,
                }
        }
 
-       if (write_in_full(fd, buf.buf, buf.len) != buf.len) {
+       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;
@@ -616,8 +633,9 @@ static int delete_pseudoref(const char *pseudoref, const unsigned char *old_sha1
                int fd;
                unsigned char actual_old_sha1[20];
 
-               fd = hold_lock_file_for_update(&lock, filename,
-                                              LOCK_DIE_ON_ERROR);
+               fd = hold_lock_file_for_update_timeout(
+                               &lock, filename, LOCK_DIE_ON_ERROR,
+                               get_files_ref_lock_timeout_ms());
                if (fd < 0)
                        die_errno(_("Could not open '%s' for writing"), filename);
                if (read_ref(pseudoref, actual_old_sha1))
@@ -921,6 +939,8 @@ int ref_transaction_update(struct ref_transaction *transaction,
                return -1;
        }
 
+       flags &= REF_TRANSACTION_UPDATE_ALLOWED_FLAGS;
+
        flags |= (new_sha1 ? REF_HAVE_NEW : 0) | (old_sha1 ? REF_HAVE_OLD : 0);
 
        ref_transaction_add_update(transaction, refname, flags,
@@ -1339,7 +1359,7 @@ int for_each_replace_ref(each_ref_fn fn, void *cb_data)
        return do_for_each_ref(get_main_ref_store(),
                               git_replace_ref_base, fn,
                               strlen(git_replace_ref_base),
-                              0, cb_data);
+                              DO_FOR_EACH_INCLUDE_BROKEN, cb_data);
 }
 
 int for_each_namespaced_ref(each_ref_fn fn, void *cb_data)
@@ -1590,13 +1610,11 @@ struct ref_store *get_submodule_ref_store(const char *submodule)
        if (!submodule)
                return NULL;
 
-       if (submodule) {
-               len = strlen(submodule);
-               while (len && is_dir_sep(submodule[len - 1]))
-                       len--;
-               if (!len)
-                       return NULL;
-       }
+       len = strlen(submodule);
+       while (len && is_dir_sep(submodule[len - 1]))
+               len--;
+       if (!len)
+               return NULL;
 
        if (submodule[len])
                /* We need to strip off one or more trailing slashes */