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[PATCH 2/5] add--interactive: factor out regex error handling

From
Jeff King <peff@peff.net>
Date
Jul 27, 2011, 08:05 UTC
Message-ID
<20110727080534.GB14002@sigill.intra.peff.net>
In-Reply-To
<20110727080303.GA8105@sigill.intra.peff.net>

When perl complains about compiling a regex the user has given us, we trim the error to get a nicer message. It's only one line of code, but it's ugly and non-obvious, so let's factor it into a reusable function.

Signed-off-by: Jeff King <peff@peff.net>
---
 git-add--interactive.perl |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index c5cd300..3e4c8a4 100755
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -1267,6 +1267,12 @@ sub display_hunks {
 	return $i;
 }
 
+sub trim_error {
+	local $_ = shift;
+	s/ at .*git-add--interactive line \d+, <STDIN> line \d+.*$//;
+	return $_;
+}
+
 sub patch_update_file {
 	my $quit = 0;
 	my ($ix, $num);
@@ -1419,9 +1425,8 @@ sub patch_update_file {
 					$search_string = qr{$regex}m;
 				};
 				if ($@) {
-					my ($err,$exp) = ($@, $1);
-					$err =~ s/ at .*git-add--interactive line \d+, <STDIN> line \d+.*$//;
-					error_msg "Malformed search regexp $exp: $err\n";
+					my $exp = $1;
+					error_msg "Malformed search regexp $exp: " . trim_error($@) . "\n";
 					next;
 				}
 				my $iy = $ix;
-- 
1.7.5.4.31.ge4d5e
Previous: Jeff KingNext: Jeff King
Message 16 of 19 in “feature request: git add--interactive --patch on regex-matched hunks only”
  1. Nguyen Thai Ngoc DuyJul 24, 2011
  2. Jeff KingJul 25, 2011
  3. Junio C HamanoJul 25, 2011
  4. Jeff KingJul 26, 2011
  5. Nguyen Thai Ngoc DuyJul 26, 2011
  6. Jeff KingJul 26, 2011
  7. Nguyen Thai Ngoc DuyJul 26, 2011
  8. Jeff KingJul 26, 2011
  9. Nguyen Thai Ngoc DuyJul 26, 2011
  10. Nguyen Thai Ngoc DuyJul 26, 2011
  11. Jeff KingJul 27, 2011
  12. Nguyen Thai Ngoc DuyJul 27, 2011
  13. Jeff KingJul 27, 2011
  14. Jeff KingJul 27, 2011
  15. 1/5 add--interactive: refactor patch mode argument processingJeff King, Jul 27, 2011
  16. 2/5 add--interactive: factor out regex error handlingJeff King, Jul 27, 2011
  17. 3/5 add--interactive: allow hunk filtering on command lineJeff King, Jul 27, 2011
  18. 4/5 add--interactive: allow negatation of hunk filtersJeff King, Jul 27, 2011
  19. 5/5 add--interactive: add option to autosplit hunksJeff King, Jul 27, 2011

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