[PATCH v2 1/2] add-patch: introduce 'p' in interactive-patch

["Rubén Justo" <rjusto@gmail.com>]

Shortly we're going make interactive-patch stop printing automatically
the hunk under certain circumstances.

Let's introduce a new option to allow the user to explicitly request
the printing.

Signed-off-by: Rubén Justo <rjusto@gmail.com>
---
 Documentation/git-add.txt  |  1 +
 add-patch.c                |  4 ++++
 t/t3701-add-interactive.sh | 22 +++++++++++-----------
 3 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt
index 14a371fff3..90b47927b2 100644
--- a/Documentation/git-add.txt
+++ b/Documentation/git-add.txt
@@ -348,6 +348,7 @@ patch::
        K - leave this hunk undecided, see previous hunk
        s - split the current hunk into smaller hunks
        e - manually edit the current hunk
+       p - print again the current hunk
        ? - print help
 +
 After deciding the fate for all hunks, if there is any hunk
diff --git a/add-patch.c b/add-patch.c
index 68f525b35c..444fd75b2a 100644
--- a/add-patch.c
+++ b/add-patch.c
@@ -1388,6 +1388,7 @@ N_("j - leave this hunk undecided, see next undecided hunk\n"
    "/ - search for a hunk matching the given regex\n"
    "s - split the current hunk into smaller hunks\n"
    "e - manually edit the current hunk\n"
+   "p - print again the current hunk\n"
    "? - print help\n");
 
 static int patch_update_file(struct add_p_state *s,
@@ -1480,6 +1481,7 @@ static int patch_update_file(struct add_p_state *s,
 				permitted |= ALLOW_EDIT;
 				strbuf_addstr(&s->buf, ",e");
 			}
+			strbuf_addstr(&s->buf, ",p");
 		}
 		if (file_diff->deleted)
 			prompt_mode_type = PROMPT_DELETION;
@@ -1658,6 +1660,8 @@ static int patch_update_file(struct add_p_state *s,
 				hunk->use = USE_HUNK;
 				goto soft_increment;
 			}
+		} else if (s->answer.buf[0] == 'p') {
+			/* nothing special is needed */
 		} else {
 			const char *p = _(help_patch_remainder), *eol = p;
 
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 0b5339ac6c..bc55255b0a 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -325,9 +325,9 @@ test_expect_success 'different prompts for mode change/deleted' '
 	git -c core.filemode=true add -p >actual &&
 	sed -n "s/^\(([0-9/]*) Stage .*?\).*/\1/p" actual >actual.filtered &&
 	cat >expect <<-\EOF &&
-	(1/1) Stage deletion [y,n,q,a,d,?]?
-	(1/2) Stage mode change [y,n,q,a,d,j,J,g,/,?]?
-	(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]?
+	(1/1) Stage deletion [y,n,q,a,d,p,?]?
+	(1/2) Stage mode change [y,n,q,a,d,j,J,g,/,p,?]?
+	(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]?
 	EOF
 	test_cmp expect actual.filtered
 '
@@ -514,13 +514,13 @@ test_expect_success 'split hunk setup' '
 test_expect_success 'goto hunk' '
 	test_when_finished "git reset" &&
 	tr _ " " >expect <<-EOF &&
-	(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? + 1:  -1,2 +1,3          +15
+	(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? + 1:  -1,2 +1,3          +15
 	_ 2:  -2,4 +3,8          +21
 	go to which hunk? @@ -1,2 +1,3 @@
 	_10
 	+15
 	_20
-	(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_
+	(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]?_
 	EOF
 	test_write_lines s y g 1 | git add -p >actual &&
 	tail -n 7 <actual >actual.trimmed &&
@@ -530,11 +530,11 @@ test_expect_success 'goto hunk' '
 test_expect_success 'navigate to hunk via regex' '
 	test_when_finished "git reset" &&
 	tr _ " " >expect <<-EOF &&
-	(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? @@ -1,2 +1,3 @@
+	(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? @@ -1,2 +1,3 @@
 	_10
 	+15
 	_20
-	(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_
+	(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]?_
 	EOF
 	test_write_lines s y /1,2 | git add -p >actual &&
 	tail -n 5 <actual >actual.trimmed &&
@@ -715,21 +715,21 @@ test_expect_success 'colors can be overridden' '
 	<BLUE>+<RESET><BLUE>new<RESET>
 	<CYAN> more-context<RESET>
 	<BLUE>+<RESET><BLUE>another-one<RESET>
-	<YELLOW>(1/1) Stage this hunk [y,n,q,a,d,s,e,?]? <RESET><BOLD>Split into 2 hunks.<RESET>
+	<YELLOW>(1/1) Stage this hunk [y,n,q,a,d,s,e,p,?]? <RESET><BOLD>Split into 2 hunks.<RESET>
 	<MAGENTA>@@ -1,3 +1,3 @@<RESET>
 	<CYAN> context<RESET>
 	<BOLD>-old<RESET>
 	<BLUE>+<RESET><BLUE>new<RESET>
 	<CYAN> more-context<RESET>
-	<YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET><MAGENTA>@@ -3 +3,2 @@<RESET>
+	<YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]? <RESET><MAGENTA>@@ -3 +3,2 @@<RESET>
 	<CYAN> more-context<RESET>
 	<BLUE>+<RESET><BLUE>another-one<RESET>
-	<YELLOW>(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? <RESET><MAGENTA>@@ -1,3 +1,3 @@<RESET>
+	<YELLOW>(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? <RESET><MAGENTA>@@ -1,3 +1,3 @@<RESET>
 	<CYAN> context<RESET>
 	<BOLD>-old<RESET>
 	<BLUE>+new<RESET>
 	<CYAN> more-context<RESET>
-	<YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET>
+	<YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]? <RESET>
 	EOF
 	test_cmp expect actual
 '
-- 
2.44.0.494.gfaa70abb0d