In a submodule the position of HEAD in relation to the gitlink pointer
in the superproject may be of interest.
Introduce a config option `status.superprojectInfo` that when enabled
will report the relation between HEAD and the commit pointed to by the
gitlink in the index of the superproject.
Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
Documentation/config.txt | 5 +++++
builtin/commit.c | 2 ++
t/t7519-superproject.sh | 57 ++++++++++++++++++++++++++++++++++++++++++++++++
wt-status.c | 37 +++++++++++++++++++++++++++++++
wt-status.h | 1 +
5 files changed, 102 insertions(+)
create mode 100755 t/t7519-superproject.sh
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 5f0d62753d..7825a1a7be 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -3097,6 +3097,11 @@ status.submoduleSummary::
submodule summary' command, which shows a similar output but does
not honor these settings.
+status.superprojectInfo
+ Defaults to false.
+ This shows the relation of the current HEAD to the commit pointed
+ to be the gitlink entry in the superprojects index.
+
stash.showPatch::
If this is set to true, the `git stash show` command without an
option will show the stash entry in patch form. Defaults to false.
diff --git a/builtin/commit.c b/builtin/commit.c
index c38542ee46..f937f6c6cf 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1286,6 +1286,8 @@ static int git_status_config(const char *k, const char *v, void *cb)
s->submodule_summary = -1;
return 0;
}
+ if (!strcmp(k, "status.superprojectinfo"))
+ s->superproject_info = git_config_bool(k, v);
if (!strcmp(k, "status.short")) {
if (git_config_bool(k, v))
status_deferred_config.status_format = STATUS_FORMAT_SHORT;
diff --git a/t/t7519-superproject.sh b/t/t7519-superproject.sh
new file mode 100755
index 0000000000..ade2379a59
--- /dev/null
+++ b/t/t7519-superproject.sh
@@ -0,0 +1,57 @@
+
+
+test_description='git status for superproject relations'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ test_commit initial &&
+ test_create_repo sub &&
+ # this whole file tests superproject reporting, so set this config here
+ git -C sub config status.superprojectInfo true
+'
+
+test_expect_success 'repo on initial commit does not mention superproject' '
+ git -C sub status > actual &&
+ test_i18ngrep "No commits yet" actual &&
+ test_i18ngrep -v superproject actual
+'
+
+test_expect_success 'setup submodule' '
+ test_commit -C sub initial &&
+ git submodule add ./sub sub
+'
+
+test_expect_success 'submodule in sync with superproject index' '
+ git -C sub status >actual &&
+ test_i18ngrep "superproject points at HEAD" actual
+'
+
+test_expect_success 'submodule in sync with superproject' '
+ git commit -a -m "superproject adds submodule" &&
+ git -C sub status >actual &&
+ test_i18ngrep "superproject points at HEAD" actual
+'
+
+test_expect_success 'submodule advances two commits' '
+ git -C sub commit --allow-empty -m "test" &&
+ git -C sub commit --allow-empty -m "test2" &&
+ git -C sub status >actual &&
+ test_i18ngrep "superproject is 2 commits behind HEAD" actual
+'
+
+test_expect_success 'submodule behind superproject' '
+ git add sub &&
+ git commit -m "update sub" &&
+ git -C sub reset --hard HEAD^ &&
+ git -C sub status >actual &&
+ test_i18ngrep "superproject is ahead of HEAD by 1 commits" actual
+'
+
+test_expect_success 'submodule and superproject differ' '
+ git -C sub commit --allow-empty -m "test2b" &&
+ git -C sub status >actual &&
+ test_i18ngrep "superproject and HEAD differ by +1, -1 commits" actual
+'
+
+test_done
diff --git a/wt-status.c b/wt-status.c
index bedef256ce..3e8e27a550 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -1027,6 +1027,41 @@ static void wt_longstatus_print_tracking(struct wt_status *s)
strbuf_release(&sb);
}
+static void wt_longstatus_print_superproject_relation(struct wt_status *s)
+{
+ struct object_id oid;
+ struct commit *in_gitlink, *head;
+ int head_nr, gitlink_nr;
+
+ if (get_superproject_gitlink(&oid))
+ return;
+
+ in_gitlink = lookup_commit(&oid);
+
+ read_ref("HEAD", &oid);
+ head = lookup_commit(&oid);
+
+ compare_commits(head, in_gitlink, &head_nr, &gitlink_nr);
+
+ if (!head_nr && !gitlink_nr)
+ printf(_("superproject points at HEAD\n"));
+ else if (!head_nr)
+ printf(_("superproject is ahead of HEAD by %d commits %s..%s\n"),
+ gitlink_nr,
+ find_unique_abbrev(head->object.oid.hash, DEFAULT_ABBREV),
+ find_unique_abbrev(in_gitlink->object.oid.hash, DEFAULT_ABBREV));
+ else if (!gitlink_nr)
+ printf(_("superproject is %d commits behind HEAD %s..%s\n"),
+ head_nr,
+ find_unique_abbrev(in_gitlink->object.oid.hash, DEFAULT_ABBREV),
+ find_unique_abbrev(head->object.oid.hash, DEFAULT_ABBREV));
+ else
+ printf(_("superproject and HEAD differ by +%d, -%d commits %s...%s\n"),
+ gitlink_nr, head_nr,
+ find_unique_abbrev(head->object.oid.hash, DEFAULT_ABBREV),
+ find_unique_abbrev(in_gitlink->object.oid.hash, DEFAULT_ABBREV));
+}
+
static int has_unmerged(struct wt_status *s)
{
int i;
@@ -1593,6 +1628,8 @@ static void wt_longstatus_print(struct wt_status *s)
if (!s->is_initial)
wt_longstatus_print_tracking(s);
}
+ if (!s->is_initial && s->superproject_info)
+ wt_longstatus_print_superproject_relation(s);
wt_longstatus_print_state(s, &state);
free(state.branch);
diff --git a/wt-status.h b/wt-status.h
index 64f4d33ea1..75700980d2 100644
--- a/wt-status.h
+++ b/wt-status.h
@@ -70,6 +70,7 @@ struct wt_status {
int display_comment_prefix;
int relative_paths;
int submodule_summary;
+ int superproject_info;
int show_ignored_files;
enum untracked_status_type show_untracked_files;
const char *ignore_submodule_arg;
--
2.15.0.128.g40905b34bf.dirty
