add -p: trap Ctrl-D in 'goto' mode

trast · gitster · commit 68c02d7c462e · 2009-02-04T00:52:52.000-08:00
If the user hit Ctrl-D (EOF) while the script was in 'go to hunk?'
mode, it threw an undefined variable error.  Explicitly test for EOF
and have it re-enter the goto prompt loop.

Signed-off-by: Thomas Rast &lt;trast@student.ethz.ch&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/git-add--interactive.perl b/git-add--interactive.perl
@@ -994,6 +994,9 @@ sub patch_update_file {
 					}
 					print "go to which hunk$extra? ";
 					$response = <STDIN>;
+					if (!defined $response) {
+						$response = '';
+					}
 					chomp $response;
 				}
 				if ($response !~ /^\s*\d+\s*$/) {

Original file line number	Diff line number	Diff line change
`@@ -994,6 +994,9 @@ sub patch_update_file {`
`994`	`994`	`}`
`995`	`995`	`print "go to which hunk$extra? ";`
`996`	`996`	`$response = <STDIN>;`
	`997`	`+ if (!defined $response) {`
	`998`	`+ $response = '';`
	`999`	`+ }`
`997`	`1000`	`chomp $response;`
`998`	`1001`	`}`
`999`	`1002`	`if ($response !~ /^\s\d+\s$/) {`