builtin rebase: optionally auto-detect the upstream

diff --git a/builtin/branch.c b/builtin/branch.c
index 1876ca9e7969019e1db1c97aedcf1064903b80a2..4fc55c3508c2fff3e92e6235ed35ba582caf4b15 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -37,6 +37,7 @@ static const char * const builtin_branch_usage[] = {
 
 static const char *head;
 static struct object_id head_oid;
+static int used_deprecated_reflog_option;
 
 static int branch_use_color = -1;
 static char branch_colors[][COLOR_MAXLEN] = {
@@ -121,7 +122,8 @@ static int branch_merged(int kind, const char *name,
                    (reference_name = reference_name_to_free =
                     resolve_refdup(upstream, RESOLVE_REF_READING,
                                    &oid, NULL)) != NULL)
-                       reference_rev = lookup_commit_reference(&oid);
+                       reference_rev = lookup_commit_reference(the_repository,
+                                                               &oid);
        }
        if (!reference_rev)
                reference_rev = head_rev;
@@ -154,7 +156,7 @@ static int check_branch_commit(const char *branchname, const char *refname,
                               const struct object_id *oid, struct commit *head_rev,
                               int kinds, int force)
 {
-       struct commit *rev = lookup_commit_reference(oid);
+       struct commit *rev = lookup_commit_reference(the_repository, oid);
        if (!rev) {
                error(_("Couldn't look up commit object for '%s'"), refname);
                return -1;
@@ -208,7 +210,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
        }
 
        if (!force) {
-               head_rev = lookup_commit_reference(&head_oid);
+               head_rev = lookup_commit_reference(the_repository, &head_oid);
                if (!head_rev)
                        die(_("Couldn't look up commit object for HEAD"));
        }
@@ -568,6 +570,14 @@ static int edit_branch_description(const char *branch_name)
        return 0;
 }
 
+static int deprecated_reflog_option_cb(const struct option *opt,
+                                      const char *arg, int unset)
+{
+       used_deprecated_reflog_option = 1;
+       *(int *)opt->value = !unset;
+       return 0;
+}
+
 int cmd_branch(int argc, const char **argv, const char *prefix)
 {
        int delete = 0, rename = 0, copy = 0, force = 0, list = 0;
@@ -610,7 +620,13 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_BIT('c', "copy", &copy, N_("copy a branch and its reflog"), 1),
                OPT_BIT('C', NULL, &copy, N_("copy a branch, even if target exists"), 2),
                OPT_BOOL(0, "list", &list, N_("list branch names")),
-               OPT_BOOL('l', "create-reflog", &reflog, N_("create the branch's reflog")),
+               OPT_BOOL(0, "create-reflog", &reflog, N_("create the branch's reflog")),
+               {
+                       OPTION_CALLBACK, 'l', NULL, &reflog, NULL,
+                       N_("deprecated synonym for --create-reflog"),
+                       PARSE_OPT_NOARG | PARSE_OPT_HIDDEN,
+                       deprecated_reflog_option_cb
+               },
                OPT_BOOL(0, "edit-description", &edit_description,
                         N_("edit the description for the branch")),
                OPT__FORCE(&force, N_("force creation, move/rename, deletion"), PARSE_OPT_NOCOMPLETE),
@@ -683,6 +699,11 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        if (list)
                setup_auto_pager("branch", 1);
 
+       if (used_deprecated_reflog_option && !list) {
+               warning("the '-l' alias for '--create-reflog' is deprecated;");
+               warning("it will be removed in a future version of Git");
+       }
+
        if (delete) {
                if (!argc)
                        die(_("branch name required"));