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From: Phillip Wood <phillip.wood@talktalk.net>
To: Git Mailing List <git@vger.kernel.org>
Cc: Junio C Hamano <gitster@pobox.com>,
	Gustavo Leite <gustavoleite.ti@gmail.com>,
	Igor Djordjevic <igor.d.djordjevic@gmail.com>,
	Phillip Wood <phillip.wood@dunelm.org.uk>
Subject: [PATCH v3 2/3] add -p: allow line selection to be inverted
Date: Fri, 16 Mar 2018 10:13:45 +0000
Message-ID: <20180316101346.7137-3-phillip.wood@talktalk.net> (raw)
In-Reply-To: <20180316101346.7137-1-phillip.wood@talktalk.net>

From: Phillip Wood <phillip.wood@dunelm.org.uk>

If the list of lines to be selected begins with '-' select all the
lines except the ones listed.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
---

Notes:
    changes since v2:
     - use '-' to invert the selection instead of '^' to be consistent
       with the rest of add -i and clean -i.

 Documentation/git-add.txt  |  3 ++-
 git-add--interactive.perl  | 17 ++++++++++++++++-
 t/t3701-add-interactive.sh |  2 +-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt
index 965e192a09..01ff4d7d24 100644
--- a/Documentation/git-add.txt
+++ b/Documentation/git-add.txt
@@ -342,7 +342,8 @@ deletion labelled with a number and you will be prompted to enter which
 lines you wish to select. Individual line numbers should be separated by
 a space or comma, to specify a range of lines use a dash between
 them. If the upper bound of a range of lines is omitted it defaults to
-the last line.
+the last line. To invert the selection prefix it with "-" so "-3-5,8"
+will select everything except lines 3, 4, 5 and 8.
 +
 After deciding the fate for all hunks, if there is any hunk
 that was chosen, the index is updated with the selected hunks.
diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index 712226b34c..54fbe114f3 100755
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -1085,9 +1085,21 @@ sub check_hunk_label {
 sub parse_hunk_selection {
 	local $_;
 	my ($hunk, $line) = @_;
-	my $max_label = $hunk->{MAX_LABEL};
+	my ($max_label, $invert) = ($hunk->{MAX_LABEL}, undef);
 	my @selected = (0) x ($max_label + 1);
 	my @fields = split(/[,\s]+/, $line);
+	if ($fields[0] =~ /^-(.*)/) {
+		$invert = 1;
+		if ($1 ne '') {
+			$fields[0] = $1;
+		} else {
+			shift @fields;
+			unless (@fields) {
+				error_msg __("no lines to invert\n");
+				return undef;
+			}
+		}
+	}
 	for (@fields) {
 		if (my ($lo, $hi) = /^([0-9]+)-([0-9]*)$/) {
 			if ($hi eq '') {
@@ -1107,6 +1119,9 @@ sub parse_hunk_selection {
 			return undef;
 		}
 	}
+	if ($invert) {
+		@selected = map { !$_ } @selected;
+	}
 	return \@selected;
 }
 
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 5f3fcb1758..46814babf3 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -410,7 +410,7 @@ test_expect_success 'setup expected diff' '
 '
 
 test_expect_success 'can reset individual lines of patch' '
-	printf "%s\n" l 2 |
+	printf "%s\n" l "-1 3" |
 	EDITOR=: git reset -p 2>error &&
 	test_must_be_empty error &&
 	git diff --cached HEAD >actual &&
-- 
2.16.2


  parent reply index

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-19 11:36 [PATCH v1 0/3] add -p: select individual hunk lines Phillip Wood
2018-02-19 11:36 ` [PATCH v1 1/3] " Phillip Wood
2018-02-19 11:36 ` [PATCH v1 2/3] add -p: allow line selection to be inverted Phillip Wood
2018-02-19 11:36 ` [PATCH v1 3/3] add -p: optimize line selection for short hunks Phillip Wood
2018-02-19 12:20 ` [PATCH v1 0/3] add -p: select individual hunk lines Gustavo Leite
2018-03-06 10:17 ` [PATCH v2 " Phillip Wood
2018-03-06 10:17   ` [PATCH v2 1/3] " Phillip Wood
2018-03-06 20:29     ` Igor Djordjevic
2018-03-06 21:33       ` Igor Djordjevic
2018-03-06 10:17   ` [PATCH v2 2/3] add -p: allow line selection to be inverted Phillip Wood
2018-03-06 19:57     ` Junio C Hamano
2018-03-08 11:05       ` Phillip Wood
2018-03-08 17:53         ` Junio C Hamano
2018-03-13 12:06           ` Phillip Wood
2018-03-13 16:32             ` Junio C Hamano
2018-03-14 11:02               ` Phillip Wood
2018-03-06 20:41     ` Igor Djordjevic
2018-03-06 10:17   ` [PATCH v2 3/3] add -p: optimize line selection for short hunks Phillip Wood
2018-03-06 20:33     ` Igor Djordjevic
2018-03-06 20:19   ` [PATCH v2 0/3] add -p: select individual hunk lines Igor Djordjevic
2018-03-06 21:03     ` Junio C Hamano
2018-03-06 21:20       ` Igor Djordjevic
2018-03-16 10:13 ` [PATCH v3 " Phillip Wood
2018-03-16 10:13   ` [PATCH v3 1/3] " Phillip Wood
2018-03-16 10:13   ` Phillip Wood [this message]
2018-03-16 10:13   ` [PATCH v3 3/3] add -p: optimize line selection for short hunks Phillip Wood
2018-03-29 18:32   ` [PATCH v3 0/3] add -p: select individual hunk lines Junio C Hamano
2018-03-30 11:09     ` Phillip Wood
2018-03-31 19:20       ` Ævar Arnfjörð Bjarmason
2018-04-02 10:55         ` Phillip Wood
2018-04-02 11:39           ` Ævar Arnfjörð Bjarmason
2018-07-26 10:22 ` [RFC PATCH v4 0/4] " Phillip Wood
2018-07-26 10:22   ` [PATCH v4 1/4] " Phillip Wood
2018-07-26 10:22   ` [RFC PATCH v4 2/4] add -p: select modified lines correctly Phillip Wood
2018-07-26 10:22   ` [PATCH v4 3/4] add -p: allow line selection to be inverted Phillip Wood
2018-07-26 10:22   ` [PATCH v4 4/4] add -p: optimize line selection for short hunks Phillip Wood
2018-07-26 15:58 ` [RFC PATCH v5 0/4] add -p: select individual hunk lines Phillip Wood
2018-07-26 15:58   ` [PATCH v5 1/4] " Phillip Wood
2018-07-26 19:36     ` Junio C Hamano
2018-07-27 10:05       ` Phillip Wood
2018-07-27 16:09         ` Junio C Hamano
2018-07-26 15:58   ` [RFC PATCH v5 2/4] add -p: select modified lines correctly Phillip Wood
2018-07-26 19:30     ` Junio C Hamano
2018-07-27 10:19       ` Phillip Wood
2018-07-27 16:14         ` Junio C Hamano
2018-07-26 15:58   ` [PATCH v5 3/4] add -p: allow line selection to be inverted Phillip Wood
2018-07-26 15:58   ` [PATCH v5 4/4] add -p: optimize line selection for short hunks Phillip Wood
2018-07-27 18:27   ` [RFC PATCH v5 0/4] add -p: select individual hunk lines Ævar Arnfjörð Bjarmason
2018-07-28 10:08     ` Phillip Wood
2018-07-28 12:40   ` Ævar Arnfjörð Bjarmason
2018-08-03 10:01     ` Phillip Wood
2018-08-03 16:51       ` Junio C Hamano
2018-08-03 17:59       ` Ævar Arnfjörð Bjarmason

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