t9801: check git-p4's branch detection with client spec enabled
[gitweb.git] / branch.c
index 723a36bc540e41fe30b7b4fc2c8e893c4744ef3a..4bab55a9a85e187e2a3906312f1e771f4a214f45 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -1,3 +1,4 @@
+#include "git-compat-util.h"
 #include "cache.h"
 #include "branch.h"
 #include "refs.h"
@@ -49,12 +50,11 @@ static int should_setup_rebase(const char *origin)
 
 void install_branch_config(int flag, const char *local, const char *origin, const char *remote)
 {
-       const char *shortname = remote + 11;
-       int remote_is_branch = starts_with(remote, "refs/heads/");
+       const char *shortname = NULL;
        struct strbuf key = STRBUF_INIT;
        int rebasing = should_setup_rebase(origin);
 
-       if (remote_is_branch
+       if (skip_prefix(remote, "refs/heads/", &shortname)
            && !strcmp(local, shortname)
            && !origin) {
                warning(_("Not setting branch %s as its own upstream."),
@@ -77,29 +77,29 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
        strbuf_release(&key);
 
        if (flag & BRANCH_CONFIG_VERBOSE) {
-               if (remote_is_branch && origin)
-                       printf_ln(rebasing ?
-                                 _("Branch %s set up to track remote branch %s from %s by rebasing.") :
-                                 _("Branch %s set up to track remote branch %s from %s."),
-                                 local, shortname, origin);
-               else if (remote_is_branch && !origin)
-                       printf_ln(rebasing ?
-                                 _("Branch %s set up to track local branch %s by rebasing.") :
-                                 _("Branch %s set up to track local branch %s."),
-                                 local, shortname);
-               else if (!remote_is_branch && origin)
-                       printf_ln(rebasing ?
-                                 _("Branch %s set up to track remote ref %s by rebasing.") :
-                                 _("Branch %s set up to track remote ref %s."),
-                                 local, remote);
-               else if (!remote_is_branch && !origin)
-                       printf_ln(rebasing ?
-                                 _("Branch %s set up to track local ref %s by rebasing.") :
-                                 _("Branch %s set up to track local ref %s."),
-                                 local, remote);
-               else
-                       die("BUG: impossible combination of %d and %p",
-                           remote_is_branch, origin);
+               if (shortname) {
+                       if (origin)
+                               printf_ln(rebasing ?
+                                         _("Branch %s set up to track remote branch %s from %s by rebasing.") :
+                                         _("Branch %s set up to track remote branch %s from %s."),
+                                         local, shortname, origin);
+                       else
+                               printf_ln(rebasing ?
+                                         _("Branch %s set up to track local branch %s by rebasing.") :
+                                         _("Branch %s set up to track local branch %s."),
+                                         local, shortname);
+               } else {
+                       if (origin)
+                               printf_ln(rebasing ?
+                                         _("Branch %s set up to track remote ref %s by rebasing.") :
+                                         _("Branch %s set up to track remote ref %s."),
+                                         local, remote);
+                       else
+                               printf_ln(rebasing ?
+                                         _("Branch %s set up to track local ref %s by rebasing.") :
+                                         _("Branch %s set up to track local ref %s."),
+                                         local, remote);
+               }
        }
 }
 
@@ -114,10 +114,6 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
        struct tracking tracking;
        int config_flags = quiet ? 0 : BRANCH_CONFIG_VERBOSE;
 
-       if (strlen(new_ref) > 1024 - 7 - 7 - 1)
-               return error(_("Tracking not set up: name too long: %s"),
-                               new_ref);
-
        memset(&tracking, 0, sizeof(tracking));
        tracking.spec.dst = (char *)orig_ref;
        if (for_each_remote(find_tracked_branch, &tracking))
@@ -144,33 +140,17 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
        return 0;
 }
 
-struct branch_desc_cb {
-       const char *config_name;
-       const char *value;
-};
-
-static int read_branch_desc_cb(const char *var, const char *value, void *cb)
-{
-       struct branch_desc_cb *desc = cb;
-       if (strcmp(desc->config_name, var))
-               return 0;
-       free((char *)desc->value);
-       return git_config_string(&desc->value, var, value);
-}
-
 int read_branch_desc(struct strbuf *buf, const char *branch_name)
 {
-       struct branch_desc_cb cb;
+       char *v = NULL;
        struct strbuf name = STRBUF_INIT;
        strbuf_addf(&name, "branch.%s.description", branch_name);
-       cb.config_name = name.buf;
-       cb.value = NULL;
-       if (git_config(read_branch_desc_cb, &cb) < 0) {
+       if (git_config_get_string(name.buf, &v)) {
                strbuf_release(&name);
                return -1;
        }
-       if (cb.value)
-               strbuf_addstr(buf, cb.value);
+       strbuf_addstr(buf, v);
+       free(v);
        strbuf_release(&name);
        return 0;
 }
@@ -190,7 +170,7 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
                const char *head;
                unsigned char sha1[20];
 
-               head = resolve_ref_unsafe("HEAD", sha1, 0, NULL);
+               head = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
                if (!is_bare_repository() && head && !strcmp(head, ref->buf))
                        die(_("Cannot force update the current branch."));
        }
@@ -230,7 +210,6 @@ void create_branch(const char *head,
                   int force, int reflog, int clobber_head,
                   int quiet, enum branch_track track)
 {
-       struct ref_lock *lock = NULL;
        struct commit *commit;
        unsigned char sha1[20];
        char *real_ref, msg[PATH_MAX + 20];
@@ -289,15 +268,6 @@ void create_branch(const char *head,
                die(_("Not a valid branch point: '%s'."), start_name);
        hashcpy(sha1, commit->object.sha1);
 
-       if (!dont_change_ref) {
-               lock = lock_any_ref_for_update(ref.buf, NULL, 0, NULL);
-               if (!lock)
-                       die_errno(_("Failed to lock ref for update"));
-       }
-
-       if (reflog)
-               log_all_ref_updates = 1;
-
        if (forcing)
                snprintf(msg, sizeof msg, "branch: Reset to %s",
                         start_name);
@@ -305,13 +275,26 @@ void create_branch(const char *head,
                snprintf(msg, sizeof msg, "branch: Created from %s",
                         start_name);
 
+       if (reflog)
+               log_all_ref_updates = 1;
+
+       if (!dont_change_ref) {
+               struct ref_transaction *transaction;
+               struct strbuf err = STRBUF_INIT;
+
+               transaction = ref_transaction_begin(&err);
+               if (!transaction ||
+                   ref_transaction_update(transaction, ref.buf, sha1,
+                                          null_sha1, 0, !forcing, msg, &err) ||
+                   ref_transaction_commit(transaction, &err))
+                       die("%s", err.buf);
+               ref_transaction_free(transaction);
+               strbuf_release(&err);
+       }
+
        if (real_ref && track)
                setup_tracking(ref.buf + 11, real_ref, track, quiet);
 
-       if (!dont_change_ref)
-               if (write_ref_sha1(lock, sha1, msg) < 0)
-                       die_errno(_("Failed to write ref"));
-
        strbuf_release(&ref);
        free(real_ref);
 }