rebase-i: keep old parents when preserving merges

diff --git a/branch.c b/branch.c
index daf862e728622f9a59a2721e5cd297394be6c9da..56e949232cac1fe9dbe23aa93b50fe2f7c55c07d 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -32,6 +32,21 @@ static int find_tracked_branch(struct remote *remote, void *priv)
        return 0;
 }
 
+static int should_setup_rebase(const struct tracking *tracking)
+{
+       switch (autorebase) {
+       case AUTOREBASE_NEVER:
+               return 0;
+       case AUTOREBASE_LOCAL:
+               return tracking->remote == NULL;
+       case AUTOREBASE_REMOTE:
+               return tracking->remote != NULL;
+       case AUTOREBASE_ALWAYS:
+               return 1;
+       }
+       return 0;
+}
+
 /*
  * This is called when new_ref is branched off of orig_ref, and tries
  * to infer the settings for branch.<new_ref>.{remote,merge} from the
@@ -69,9 +84,14 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
        git_config_set(key, tracking.remote ?  tracking.remote : ".");
        sprintf(key, "branch.%s.merge", new_ref);
        git_config_set(key, tracking.src ? tracking.src : orig_ref);
-       free(tracking.src);
        printf("Branch %s set up to track %s branch %s.\n", new_ref,
                tracking.remote ? "remote" : "local", orig_ref);
+       if (should_setup_rebase(&tracking)) {
+               sprintf(key, "branch.%s.rebase", new_ref);
+               git_config_set(key, "true");
+               printf("This branch will rebase on pull.\n");
+       }
+       free(tracking.src);
 
        return 0;
 }