From: Xiaolong Ye <xiaolong.ye@intel.com>
To: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>
Cc: fengguang.wu@intel.com, ying.huang@intel.com,
philip.li@intel.com, julie.du@intel.com,
Xiaolong Ye <xiaolong.ye@intel.com>
Subject: [PATCH v3 3/4] format-patch: introduce --base=auto option
Date: Thu, 31 Mar 2016 09:46:15 +0800 [thread overview]
Message-ID: <1459388776-18066-4-git-send-email-xiaolong.ye@intel.com> (raw)
In-Reply-To: <1459388776-18066-1-git-send-email-xiaolong.ye@intel.com>
Introduce --base=auto to record the base commit info automatically, the base_commit
will be the merge base of tip commit of the upstream branch and revision-range
specified in cmdline.
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
---
Documentation/git-format-patch.txt | 4 ++++
builtin/log.c | 31 +++++++++++++++++++++++++++----
2 files changed, 31 insertions(+), 4 deletions(-)
diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 067d562..d8fe651 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -290,6 +290,10 @@ you can use `--suffix=-patch` to get `0001-description-of-my-change-patch`.
patches for A, B and C, and the identifiers for P, X, Y, Z are appended
at the end of the _first_ message.
+ If set '--base=auto' in cmdline, it will track base commit automatically,
+ the base commit will be the merge base of tip commit of the remote-tracking
+ branch and revision-range specified in cmdline.
+
--root::
Treat the revision argument as a <revision range>, even if it
is just a single commit (that would normally be treated as a
diff --git a/builtin/log.c b/builtin/log.c
index 03cbab0..c5efe73 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1200,6 +1200,9 @@ static void prepare_bases(struct base_tree_info *bases,
struct rev_info revs;
struct diff_options diffopt;
struct object_id *patch_id;
+ struct branch *curr_branch;
+ struct commit_list *base_list;
+ const char *upstream;
unsigned char sha1[20];
int i;
@@ -1207,10 +1210,30 @@ static void prepare_bases(struct base_tree_info *bases,
DIFF_OPT_SET(&diffopt, RECURSIVE);
diff_setup_done(&diffopt);
- base = lookup_commit_reference_by_name(base_commit);
- if (!base)
- die(_("Unknown commit %s"), base_commit);
- oidcpy(&bases->base_commit, &base->object.oid);
+ if (!strcmp(base_commit, "auto")) {
+ curr_branch = branch_get(NULL);
+ upstream = branch_get_upstream(curr_branch, NULL);
+ if (upstream) {
+ if (get_sha1(upstream, sha1))
+ die(_("Failed to resolve '%s' as a valid ref."), upstream);
+ commit = lookup_commit_or_die(sha1, "upstream base");
+ base_list = get_merge_bases_many(commit, total, list);
+ if (!bases)
+ die(_("Could not find merge base."));
+ base = base_list->item;
+ free_commit_list(base_list);
+ oidcpy(&bases->base_commit, &base->object.oid);
+ } else {
+ die(_("Failed to get upstream, if you want to record base commit automatically,\n"
+ "please use git branch --set-upstream-to to track a remote branch.\n"
+ "Or you could specify base commit by --base=<base-commit-id> manually."));
+ }
+ } else {
+ base = lookup_commit_reference_by_name(base_commit);
+ if (!base)
+ die(_("Unknown commit %s"), base_commit);
+ oidcpy(&bases->base_commit, &base->object.oid);
+ }
init_revisions(&revs, NULL);
revs.max_parents = 1;
--
2.8.0.4.gcb5a9af
next prev parent reply other threads:[~2016-03-31 1:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 1:46 [PATCH v3 0/4] Add an option to git-format-patch to record base tree info Xiaolong Ye
2016-03-31 1:46 ` [PATCH v3 1/4] patch-ids: make commit_patch_id() a public helper function Xiaolong Ye
2016-03-31 1:46 ` [PATCH v3 2/4] format-patch: add '--base' option to record base tree info Xiaolong Ye
2016-03-31 17:38 ` Junio C Hamano
2016-04-01 13:38 ` Ye Xiaolong
2016-04-01 16:00 ` Junio C Hamano
2016-04-05 5:52 ` Ye Xiaolong
2016-04-09 15:56 ` Ye Xiaolong
2016-03-31 1:46 ` Xiaolong Ye [this message]
2016-03-31 17:43 ` [PATCH v3 3/4] format-patch: introduce --base=auto option Junio C Hamano
2016-04-01 13:52 ` Ye Xiaolong
2016-04-01 16:06 ` Junio C Hamano
2016-04-05 6:36 ` Ye Xiaolong
2016-04-05 7:21 ` Junio C Hamano
2016-03-31 1:46 ` [PATCH v3 4/4] format-patch: introduce format.base configuration Xiaolong Ye
2016-03-31 17:45 ` [PATCH v3 0/4] Add an option to git-format-patch to record base tree info Junio C Hamano
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