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d37fd03222
The example hook barfs on the initial import. Ideally it should produce a diff from an empty tree, but for now let's stop at squelching the bogus error message. Often an initial import involves tons of badly formatted files from foreign SCM, so not complaining about them like this patch does might actually be a better idea than enforcing the "Perfect Patch" format on them. Signed-off-by: Junio C Hamano <junkio@cox.net>
69 lines
1.6 KiB
Bash
69 lines
1.6 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 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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if git-rev-parse --verify HEAD 2>/dev/null
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then
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git-diff-index -p -M --cached HEAD
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else
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# NEEDSWORK: we should produce a diff with an empty tree here
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# if we want to do the same verification for the initial import.
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:
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fi |
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perl -e '
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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 STDERR "*\n";
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print STDERR "* You have some suspicious patch lines:\n";
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print STDERR "*\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 STDERR "* In $filename\n";
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$reported_filename = $filename;
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}
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print STDERR "* $why (line $lineno)\n";
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print STDERR "$filename:$lineno:$line\n";
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}
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while (<>) {
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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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