diff options
| author |  Pratik Karki <predatoramigo@gmail.com> | 2018-09-04 14:27:21 -0700 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2018-09-06 11:55:43 -0700 |
| commit | e65123a71d0ca134f901e2340674a712e70ce023 (patch) | |
| tree | 6d97dc8dba21c77ebf211c7606a8cdd5889cc5b3 /builtin | |
| parent | builtin rebase: only store fully-qualified refs in `options.head_name` (diff) | |
| download | tgif-e65123a71d0ca134f901e2340674a712e70ce023.tar.xz | |
builtin rebase: support `git rebase <upstream> <switch-to>`
This commit adds support for `switch-to` which is used to switch to the
target branch if needed. The equivalent codes found in shell script
`git-legacy-rebase.sh` is converted to builtin `rebase.c`.
Signed-off-by: Pratik Karki <predatoramigo@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
| -rw-r--r-- | builtin/rebase.c | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/builtin/rebase.c b/builtin/rebase.c index afc75fe731..e817956d96 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -79,6 +79,7 @@ struct rebase_options { struct commit *onto; const char *onto_name; const char *revisions; + const char *switch_to; int root; struct commit *restrict_revision; int dont_finish_rebase; @@ -186,6 +187,8 @@ static int run_specific_rebase(struct rebase_options *opts) opts->flags & REBASE_DIFFSTAT ? "t" : ""); add_var(&script_snippet, "force_rebase", opts->flags & REBASE_FORCE ? "t" : ""); + if (opts->switch_to) + add_var(&script_snippet, "switch_to", opts->switch_to); switch (opts->type) { case REBASE_AM: @@ -564,9 +567,23 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) * orig_head -- commit object name of tip of the branch before rebasing * head_name -- refs/heads/<that-branch> or NULL (detached HEAD) */ - if (argc > 0) - die("TODO: handle switch_to"); - else { + if (argc == 1) { + /* Is it "rebase other branchname" or "rebase other commit"? */ + branch_name = argv[0]; + options.switch_to = argv[0]; + + /* Is it a local branch? */ + strbuf_reset(&buf); + strbuf_addf(&buf, "refs/heads/%s", branch_name); + if (!read_ref(buf.buf, &options.orig_head)) + options.head_name = xstrdup(buf.buf); + /* If not is it a valid ref (branch or commit)? */ + else if (!get_oid(branch_name, &options.orig_head)) + options.head_name = NULL; + else + die(_("fatal: no such branch/commit '%s'"), + branch_name); + } else if (argc == 0) { /* Do not need to switch branches, we are already on it. */ options.head_name = xstrdup_or_null(resolve_ref_unsafe("HEAD", 0, NULL, @@ -585,7 +602,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) } if (get_oid("HEAD", &options.orig_head)) die(_("Could not resolve HEAD to a revision")); - } + } else + BUG("unexpected number of arguments left to parse"); if (read_index(the_repository->index) < 0) die(_("could not read index")); @@ -612,6 +630,28 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) int flag; if (!(options.flags & REBASE_FORCE)) { + /* Lazily switch to the target branch if needed... */ + if (options.switch_to) { + struct object_id oid; + + if (get_oid(options.switch_to, &oid) < 0) { + ret = !!error(_("could not parse '%s'"), + options.switch_to); + goto cleanup; + } + + strbuf_reset(&buf); + strbuf_addf(&buf, "rebase: checkout %s", + options.switch_to); + if (reset_head(&oid, "checkout", + options.head_name, 0) < 0) { + ret = !!error(_("could not switch to " + "%s"), + options.switch_to); + goto cleanup; + } + } + if (!(options.flags & REBASE_NO_QUIET)) ; /* be quiet */ else if (!strcmp(branch_name, "HEAD") && |