[PATCH] status: show commit sha1 in "You are currently cherry-picking" message

[Ralf Thielow <ralf.thielow@xxxxxxxxx>]

Signed-off-by: Ralf Thielow <ralf.thielow@xxxxxxxxx>
---

Especially helpful when cherry-picking multiple commits.

 t/t7512-status-help.sh | 10 ++++++----
 wt-status.c            |  7 +++++--
 wt-status.h            |  1 +
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/t/t7512-status-help.sh b/t/t7512-status-help.sh
index 0688d58..0a65db1 100755
--- a/t/t7512-status-help.sh
+++ b/t/t7512-status-help.sh
@@ -626,9 +626,10 @@ test_expect_success 'prepare for cherry-pick conflicts' '
 test_expect_success 'status when cherry-picking before resolving conflicts' '
 	test_when_finished "git cherry-pick --abort" &&
 	test_must_fail git cherry-pick cherry_branch_second &&
-	cat >expected <<\EOF &&
+	TO_CHERRY_PICK=$(git rev-parse --short CHERRY_PICK_HEAD) &&
+	cat >expected <<EOF
 On branch cherry_branch
-You are currently cherry-picking.
+You are currently cherry-picking commit $TO_CHERRY_PICK.
   (fix conflicts and run "git cherry-pick --continue")
   (use "git cherry-pick --abort" to cancel the cherry-pick operation)
 
@@ -648,11 +649,12 @@ test_expect_success 'status when cherry-picking after resolving conflicts' '
 	git reset --hard cherry_branch &&
 	test_when_finished "git cherry-pick --abort" &&
 	test_must_fail git cherry-pick cherry_branch_second &&
+	TO_CHERRY_PICK=$(git rev-parse --short CHERRY_PICK_HEAD) &&
 	echo end >main.txt &&
 	git add main.txt &&
-	cat >expected <<\EOF &&
+	cat >expected <<EOF
 On branch cherry_branch
-You are currently cherry-picking.
+You are currently cherry-picking commit $TO_CHERRY_PICK.
   (all conflicts fixed: run "git cherry-pick --continue")
   (use "git cherry-pick --abort" to cancel the cherry-pick operation)
 
diff --git a/wt-status.c b/wt-status.c
index cbdce72..b4e44ba 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -996,7 +996,8 @@ static void show_cherry_pick_in_progress(struct wt_status *s,
 					struct wt_status_state *state,
 					const char *color)
 {
-	status_printf_ln(s, color, _("You are currently cherry-picking."));
+	status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
+			find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
 	if (s->hints) {
 		if (has_unmerged(s))
 			status_printf_ln(s, color,
@@ -1169,8 +1170,10 @@ void wt_status_get_state(struct wt_status_state *state,
 			state->rebase_in_progress = 1;
 		state->branch = read_and_strip_branch("rebase-merge/head-name");
 		state->onto = read_and_strip_branch("rebase-merge/onto");
-	} else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
+	} else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
+			!get_sha1("CHERRY_PICK_HEAD", sha1)) {
 		state->cherry_pick_in_progress = 1;
+		hashcpy(state->cherry_pick_head_sha1, sha1);
 	}
 	if (!stat(git_path("BISECT_LOG"), &st)) {
 		state->bisect_in_progress = 1;
diff --git a/wt-status.h b/wt-status.h
index 9341c56..6c29e6f 100644
--- a/wt-status.h
+++ b/wt-status.h
@@ -88,6 +88,7 @@ struct wt_status_state {
 	char *detached_from;
 	unsigned char detached_sha1[20];
 	unsigned char revert_head_sha1[20];
+	unsigned char cherry_pick_head_sha1[20];
 };
 
 void wt_status_prepare(struct wt_status *s);
-- 
1.8.4.652.g0d6e0ce

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