builtin rebase: optionally auto-detect the upstream

The `git rebase` command, when called without the `<upstream>`
command-line argument, automatically looks for the upstream
branch configured for the current branch.

With this commit, the builtin rebase learned that trick, too.

Signed-off-by: Pratik Karki <predatoramigo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pratik Karki 2018-08-08 21:21:30 +05:45 committed by Junio C Hamano
parent 9dba809a69
commit 8f5986d95a

View file

@ -622,6 +622,36 @@ static int parse_opt_interactive(const struct option *opt, const char *arg,
return 0;
}
static void NORETURN error_on_missing_default_upstream(void)
{
struct branch *current_branch = branch_get(NULL);
printf(_("%s\n"
"Please specify which branch you want to rebase against.\n"
"See git-rebase(1) for details.\n"
"\n"
" git rebase '<branch>'\n"
"\n"),
current_branch ? _("There is no tracking information for "
"the current branch.") :
_("You are not currently on a branch."));
if (current_branch) {
const char *remote = current_branch->remote_name;
if (!remote)
remote = _("<remote>");
printf(_("If you wish to set tracking information for this "
"branch you can do so with:\n"
"\n"
" git branch --set-upstream-to=%s/<branch> %s\n"
"\n"),
remote, current_branch->name);
}
exit(1);
}
int cmd_rebase(int argc, const char **argv, const char *prefix)
{
struct rebase_options options = {
@ -1057,9 +1087,17 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
}
if (!options.root) {
if (argc < 1)
die("TODO: handle @{upstream}");
else {
if (argc < 1) {
struct branch *branch;
branch = branch_get(NULL);
options.upstream_name = branch_get_upstream(branch,
NULL);
if (!options.upstream_name)
error_on_missing_default_upstream();
if (fork_point < 0)
fork_point = 1;
} else {
options.upstream_name = argv[0];
argc--;
argv++;