Handle "boundary commits" with a leading ^

dmnd · dmnd · commit 9578ee6c0a2b · 2014-01-09T12:40:52.000-08:00
Boundary commits in git have a leading ^ in front of the SHA.
diff --git a/git-diff-blame b/git-diff-blame
@@ -11,7 +11,7 @@ sub parse_hunk_header {
 
 sub get_blame_prefix {
 	my ($line) = @_;
-	$line =~ /^([0-9a-f]+\s+(\S+\s+)?\([^\)]+\))/ or die "bad blame output: $line";
+	$line =~ /^(\^?[0-9a-f]+\s+(\S+\s+)?\([^\)]+\))/ or die "bad blame output: $line";
 	return $1;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ sub parse_hunk_header {`
`11`	`11`
`12`	`12`	`sub get_blame_prefix {`
`13`	`13`	`my ($line) = @_;`
`14`		`- $line =~ /^([0-9a-f]+\s+(\S+\s+)?\([^\)]+\))/ or die "bad blame output: $line";`
	`14`	`+ $line =~ /^(\^?[0-9a-f]+\s+(\S+\s+)?\([^\)]+\))/ or die "bad blame output: $line";`
`15`	`15`	`return $1;`
`16`	`16`	`}`
`17`	`17`