Merge branch 'master' of git://repo.or.cz/git-gui
[gitweb.git] / branch.c
index 478d82567d7773d62c686d73780659b86594eede..d91a099fdd22b9131a1d2ddaf3778b645c53eca0 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -3,6 +3,7 @@
 #include "refs.h"
 #include "remote.h"
 #include "commit.h"
+#include "sequencer.h"
 
 struct tracking {
        struct refspec spec;
@@ -135,23 +136,56 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
        return 0;
 }
 
-int validate_new_branchname(const char *name, struct strbuf *ref, int force)
+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)
 {
-       const char *head;
-       unsigned char sha1[20];
+       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;
+       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) {
+               strbuf_release(&name);
+               return -1;
+       }
+       if (cb.value)
+               strbuf_addstr(buf, cb.value);
+       strbuf_release(&name);
+       return 0;
+}
 
+int validate_new_branchname(const char *name, struct strbuf *ref,
+                           int force, int attr_only)
+{
        if (strbuf_check_branch_ref(ref, name))
                die("'%s' is not a valid branch name.", name);
 
        if (!ref_exists(ref->buf))
                return 0;
-       else if (!force)
+       else if (!force && !attr_only)
                die("A branch named '%s' already exists.", ref->buf + strlen("refs/heads/"));
 
-       head = resolve_ref("HEAD", sha1, 0, NULL);
-       if (!is_bare_repository() && head && !strcmp(head, ref->buf))
-               die("Cannot force update the current branch.");
+       if (!attr_only) {
+               const char *head;
+               unsigned char sha1[20];
 
+               head = resolve_ref("HEAD", sha1, 0, NULL);
+               if (!is_bare_repository() && head && !strcmp(head, ref->buf))
+                       die("Cannot force update the current branch.");
+       }
        return 1;
 }
 
@@ -171,7 +205,8 @@ void create_branch(const char *head,
        if (track == BRANCH_TRACK_EXPLICIT || track == BRANCH_TRACK_OVERRIDE)
                explicit_tracking = 1;
 
-       if (validate_new_branchname(name, &ref, force || track == BRANCH_TRACK_OVERRIDE)) {
+       if (validate_new_branchname(name, &ref, force,
+                                   track == BRANCH_TRACK_OVERRIDE)) {
                if (!force)
                        dont_change_ref = 1;
                else
@@ -237,9 +272,11 @@ void create_branch(const char *head,
 void remove_branch_state(void)
 {
        unlink(git_path("CHERRY_PICK_HEAD"));
+       unlink(git_path("REVERT_HEAD"));
        unlink(git_path("MERGE_HEAD"));
        unlink(git_path("MERGE_RR"));
        unlink(git_path("MERGE_MSG"));
        unlink(git_path("MERGE_MODE"));
        unlink(git_path("SQUASH_MSG"));
+       remove_sequencer_state(0);
 }