builtin/commit.c: extract ignore_non_trailer() helper function

diff --git a/contrib/contacts/git-contacts b/contrib/contacts/git-contacts
index fb6429b64be3cf7011ce69950987a8b328e0e758..428cc1a9a1367e36c2739cb226a0ffdd2704ce82 100755 (executable)
--- a/contrib/contacts/git-contacts
+++ b/contrib/contacts/git-contacts
@@ -181,6 +181,10 @@ if (@rev_args) {
        scan_rev_args(\%sources, \@rev_args)
 }
 
+my $toplevel = `git rev-parse --show-toplevel`;
+chomp $toplevel;
+chdir($toplevel) or die "chdir failure: $toplevel: $!\n";
+
 my %commits;
 blame_sources(\%sources, \%commits);
 import_commits(\%commits);