b779dd5ee3
Use the common error message format, "filename:lineno: body"; this way, problematic lines can be jumped to from the Emacs compilation buffer by C-x `. Signed-off-by: Junio C Hamano <junkio@cox.net>
62 lines
1.4 KiB
Bash
62 lines
1.4 KiB
Bash
#!/bin/sh
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#
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# An example hook script to verify what is about to be committed.
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# Called by git-commit-script with no arguments. The hook should
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# exit with non-zero status after issuing an appropriate message if
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# it wants to stop the commit.
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#
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# To enable this hook, make this file executable.
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# This is slightly modified from Andrew Morton's Perfect Patch.
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# Lines you introduce should not have trailing whitespace.
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# Also check for an indentation that has SP before a TAB.
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perl -e '
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my $fh;
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my $found_bad = 0;
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my $filename;
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my $reported_filename = "";
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my $lineno;
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sub bad_line {
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my ($why, $line) = @_;
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if (!$found_bad) {
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print "*\n";
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print "* You have some suspicious patch lines:\n";
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print "*\n";
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$found_bad = 1;
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}
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if ($reported_filename ne $filename) {
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print "* In $filename\n";
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$reported_filename = $filename;
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}
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print "* $why (line $lineno)\n";
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print "$filename:$lineno:$line\n";
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}
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open $fh, "-|", qw(git-diff-cache -p -M --cached HEAD);
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while (<$fh>) {
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if (m|^diff --git a/(.*) b/\1$|) {
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$filename = $1;
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next;
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}
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if (/^@@ -\S+ \+(\d+)/) {
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$lineno = $1 - 1;
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next;
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}
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if (/^ /) {
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$lineno++;
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next;
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}
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if (s/^\+//) {
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$lineno++;
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chomp;
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if (/\s$/) {
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bad_line("trailing whitespace", $_);
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}
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if (/^\s* /) {
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bad_line("indent SP followed by a TAB", $_);
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}
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}
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}
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exit($found_bad);
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'
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