branch: factor out check_branch_commit()

Move the code to perform checks on the tip commit of a branch
to its own function.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/branch.c b/builtin/branch.c
index ffd26849c7ad20ff470323621486ae8a2aeb2501..852019ed8bfdae6ddb64d7d6c9fad7602309c5b5 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -154,10 +154,28 @@ static int branch_merged(int kind, const char *name,
        return merged;
 }
 
+static int check_branch_commit(const char *branchname, const char *refname,
+                              unsigned char *sha1, struct commit *head_rev,
+                              int kinds, int force)
+{
+       struct commit *rev = lookup_commit_reference(sha1);
+       if (!rev) {
+               error(_("Couldn't look up commit object for '%s'"), refname);
+               return -1;
+       }
+       if (!force && !branch_merged(kinds, branchname, rev, head_rev)) {
+               error(_("The branch '%s' is not fully merged.\n"
+                     "If you are sure you want to delete it, "
+                     "run 'git branch -D %s'."), branchname, branchname);
+               return -1;
+       }
+       return 0;
+}
+
 static int delete_branches(int argc, const char **argv, int force, int kinds,
                           int quiet)
 {
-       struct commit *rev, *head_rev = NULL;
+       struct commit *head_rev = NULL;
        unsigned char sha1[20];
        char *name = NULL;
        const char *fmt;
@@ -206,17 +224,8 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
                        continue;
                }
 
-               rev = lookup_commit_reference(sha1);
-               if (!rev) {
-                       error(_("Couldn't look up commit object for '%s'"), name);
-                       ret = 1;
-                       continue;
-               }
-
-               if (!force && !branch_merged(kinds, bname.buf, rev, head_rev)) {
-                       error(_("The branch '%s' is not fully merged.\n"
-                             "If you are sure you want to delete it, "
-                             "run 'git branch -D %s'."), bname.buf, bname.buf);
+               if (check_branch_commit(bname.buf, name, sha1, head_rev, kinds,
+                                       force)) {
                        ret = 1;
                        continue;
                }