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[PATCH v2 1/2] commit: fix --short and --porcelain options

From
Samuel Lijin <sxlijin@gmail.com>
Date
Apr 26, 2018, 09:25 UTC
Message-ID
<20180426092524.25264-2-sxlijin@gmail.com>
In-Reply-To
<20180426092524.25264-1-sxlijin@gmail.com>

Mark the commitable flag in the wt_status object in the call to `wt_status_collect()`, instead of in `wt_longstatus_print_updated()`, and simplify the logic in the latter function to take advantage of the logic shifted to the former. This means that callers do not need to use `wt_longstatus_print_updated()` to collect the `commitable` flag; calling `wt_status_collect()` is sufficient.

As a result, invoking `git commit` with `--short` or `--porcelain` (which imply `--dry-run`, but previously returned an inconsistent error code inconsistent with dry run behavior) correctly returns status code zero when there is something to commit. This fixes two bugs documented in the test suite.

Signed-off-by: Samuel Lijin <sxlijin@gmail.com>
---
 t/t7501-commit.sh |  4 ++--
 wt-status.c       | 38 +++++++++++++++++++++++++++-----------
 2 files changed, 29 insertions(+), 13 deletions(-)
diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh
index fa61b1a4e..85a8217fd 100755
--- a/t/t7501-commit.sh
+++ b/t/t7501-commit.sh
@@ -87,12 +87,12 @@ test_expect_success '--dry-run with stuff to commit returns ok' '
 	git commit -m next -a --dry-run
 '
 
-test_expect_failure '--short with stuff to commit returns ok' '
+test_expect_success '--short with stuff to commit returns ok' '
 	echo bongo bongo bongo >>file &&
 	git commit -m next -a --short
 '
 
-test_expect_failure '--porcelain with stuff to commit returns ok' '
+test_expect_success '--porcelain with stuff to commit returns ok' '
 	echo bongo bongo bongo >>file &&
 	git commit -m next -a --porcelain
 '
diff --git a/wt-status.c b/wt-status.c
index 50815e5fa..2e5452731 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -718,6 +718,19 @@ static void wt_status_collect_untracked(struct wt_status *s)
 		s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
 }
 
+static void wt_status_mark_commitable(struct wt_status *s) {
+	int i;
+
+	for (i = 0; i < s->change.nr; i++) {
+		struct wt_status_change_data *d = (s->change.items[i]).util;
+
+		if (d->index_status && d->index_status != DIFF_STATUS_UNMERGED) {
+			s->commitable = 1;
+			return;
+		}
+	}
+}
+
 void wt_status_collect(struct wt_status *s)
 {
 	wt_status_collect_changes_worktree(s);
@@ -726,7 +739,10 @@ void wt_status_collect(struct wt_status *s)
 		wt_status_collect_changes_initial(s);
 	else
 		wt_status_collect_changes_index(s);
+
 	wt_status_collect_untracked(s);
+
+	wt_status_mark_commitable(s);
 }
 
 static void wt_longstatus_print_unmerged(struct wt_status *s)
@@ -754,26 +770,26 @@ static void wt_longstatus_print_unmerged(struct wt_status *s)
 
 static void wt_longstatus_print_updated(struct wt_status *s)
 {
-	int shown_header = 0;
 	int i;
 
+	if (!s->commitable) {
+		return;
+	}
+
+	wt_longstatus_print_cached_header(s);
+
 	for (i = 0; i < s->change.nr; i++) {
 		struct wt_status_change_data *d;
 		struct string_list_item *it;
 		it = &(s->change.items[i]);
 		d = it->util;
-		if (!d->index_status ||
-		    d->index_status == DIFF_STATUS_UNMERGED)
-			continue;
-		if (!shown_header) {
-			wt_longstatus_print_cached_header(s);
-			s->commitable = 1;
-			shown_header = 1;
+		if (d->index_status &&
+		    d->index_status != DIFF_STATUS_UNMERGED) {
+			wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it);
 		}
-		wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it);
 	}
-	if (shown_header)
-		wt_longstatus_print_trailer(s);
+
+	wt_longstatus_print_trailer(s);
 }
 
 /*
-- 
2.17.0
Previous: Samuel LijinNext: Junio C Hamano
Message 7 of 26 in “Fix --short and --porcelain options for commit”
  1. 0/2 Fix --short and --porcelain options for commitSamuel Lijin, Apr 18, 2018
  2. 1/2 commit: fix --short and --porcelainSamuel Lijin, Apr 18, 2018
  3. Martin ÅgrenApr 18, 2018
  4. Eric SunshineApr 20, 2018
  5. 2/2 wt-status: const-ify all printf helper methodsSamuel Lijin, Apr 18, 2018
  6. 0/2 Fix --short and --porcelain options for commitSamuel Lijin, Apr 26, 2018
  7. 1/2 commit: fix --short and --porcelain optionsSamuel Lijin, Apr 26, 2018
  8. Junio C HamanoMay 2, 2018
  9. Samuel LijinMay 2, 2018
  10. 2/2 wt-status: const-ify all printf helper methodsSamuel Lijin, Apr 26, 2018
  11. 0/3 Fix --short/--porcelain options for git commitSamuel Lijin, Jul 15, 2018
  12. 0/4 Rerolling patch series to fix t7501Samuel Lijin, Jul 23, 2018
  13. Junio C HamanoJul 30, 2018
  14. 1/4 t7501: add coverage for flags which imply dry runsSamuel Lijin, Jul 23, 2018
  15. 4/4 commit: fix exit code when doing a dry runSamuel Lijin, Jul 23, 2018
  16. 2/4 wt-status: rename commitable to committableSamuel Lijin, Jul 23, 2018
  17. 3/4 wt-status: teach wt_status_collect about merges in progressSamuel Lijin, Jul 23, 2018
  18. 1/3 t7501: add merge conflict tests for dry runSamuel Lijin, Jul 15, 2018
  19. Junio C HamanoJul 17, 2018
  20. Junio C HamanoJul 17, 2018
  21. 3/3 commit: fix exit code for --short/--porcelainSamuel Lijin, Jul 15, 2018
  22. Junio C HamanoJul 17, 2018
  23. Samuel LijinJul 19, 2018
  24. 2/3 wt-status: teach wt_status_collect about merges in progressSamuel Lijin, Jul 15, 2018
  25. Junio C HamanoJul 17, 2018
  26. Samuel LijinApr 19, 2018

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