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61 lines
1.4 KiB
61 lines
1.4 KiB
#!/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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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 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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open $fh, "-|", qw(git-diff-index -p -M --cached HEAD); |
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while (<$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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