Removed bash header. Optionally takes files to check from command line.

diff --git a/build/git/pre-commit b/build/git/pre-commit
index 5b112663dfb062be08359a05f02dd67eb54ae8ad..8153c35ecaf96c52e2217780718e914cf1406cfc 100644 (file)
--- a/build/git/pre-commit
+++ b/build/git/pre-commit
@@ -1,100 +1,80 @@
-#!/bin/sh
-#
-# An example hook script to verify what is about to be committed.
-# Called by git-commit with no arguments.  The hook should
-# exit with non-zero status after issuing an appropriate message if
-# it wants to stop the commit.
-#
-# To enable this hook, make this file executable.
+#!/usr/bin/perl
 
-# This is slightly modified from Andrew Morton's Perfect Patch.
-# Lines you introduce should not have trailing whitespace.
-# Also check for an indentation that has SP before a TAB.
+my $found_bad = 0;
+my $filename;
+my $reported_filename = "";
+my $lineno;
 
-if git-rev-parse --verify HEAD 2>/dev/null
-then
-       git-diff-index -p -M --cached HEAD --
-else
-       # NEEDSWORK: we should produce a diff with an empty tree here
-       # if we want to do the same verification for the initial import.
-       :
-fi |
-perl -e '
-    my $found_bad = 0;
-    my $filename;
-    my $reported_filename = "";
-    my $lineno;
-    my @sh_checks;
-    sub bad_line {
+if (scalar @ARGV > 0) {
+       my $f;
+       foreach $f (@ARGV) {
+               check_file($f);
+       }
+} else {
+       exit(0) if (system("git-rev-parse --verify HEAD 2>/dev/null"));
+       open(PATCH, "git-diff-index -p -M --cached HEAD --|") ||
+               die("git-diff-index failed");
+       while (<PATCH>) {
+               check_file($1) if (m|^diff --git a/(.*\.[ch]) b/\1$|);
+       }
+       close(PATCH);
+       
+}
+exit($found_bad);
+
+sub bad_line {
        my ($why, $line) = @_;
        if (!$found_bad) {
-           print STDERR "*\n";
-           print STDERR "* You have some suspicious patch lines:\n";
-           print STDERR "*\n";
-           $found_bad = 1;
+               print STDERR "*\n";
+               print STDERR "* You have some suspicious patch lines:\n";
+               print STDERR "*\n";
+               $found_bad = 1;
        }
        if ($reported_filename ne $filename) {
-           print STDERR "* In $filename\n";
-           $reported_filename = $filename;
+               print STDERR "* In $filename\n";
+               $reported_filename = $filename;
        }
-       print STDERR "* $why ($filename:$lineno)\n";
+       print STDERR "* \t$why\n";
        print STDERR "$lineno:$line\n" if ($line);
-    }
-    sub sh_check {
+}
+
+
+sub check_file {
+       ($filename) = @_;
         open(IN, "$filename") || die ("Cannot open $filename");
        my $has_loc = 0;
        my $has_glob = 0;
        my $has_copy = 0;
        my $empty = 0;
 
-       $lineno = 0;
+       $lineno = 1;
        while(<IN>) {
-           if (/^\s*\#include\s+"/) {
-                   bad_line("sherlock includes after global includes", $_) if (!$has_loc && $has_glob);
-                   $has_loc++;
-           }
-           $has_glob++ if (/^\s*\#include\s+\</);
-           $has_copy++ if (/\(c\)\s*\w/);
-           $empty = $_ =~ /^\s*$/;
-           $lineno++;
+               chomp;
+               if (/^\s*\#include\s+"/) {
+                       bad_line("sherlock includes after global includes", $_) if (!$has_loc && $has_glob);
+                       $has_loc++;
+               }
+               if (/\s$/) {
+                       bad_line("trailing whitespace", $_);
+               }
+               if (/^\s* \t/) {
+                       bad_line("indent SP followed by a TAB", $_);
+               }
+               if (/^\s*\#define\s+LOCAL_DEBUG/) {
+                       bad_line("LOCAL_DEBUG left enabled", $_);
+               }
+               if (/^([<>])\1{6} |^={7}$/) {
+                       bad_line("unresolved merge conflict", $_);
+               }
+
+               $has_glob++ if (/^\s*\#include\s+\</);
+               $has_copy++ if (/\([Cc]\)\s*\w/);
+               $empty = $_ =~ /^\s*$/;
+               $lineno++;
        }
        bad_line("empty lines at end of input") if ($empty);
        bad_line("missing copyright") if (!$has_copy);
        close(IN);
-    }
-    while (<>) {
-       if (m|^diff --git a/(.*) b/\1$|) {
-           $filename = $1;
-           push (@sh_checks, $filename) if ($filename =~ /\.[ch]$/);
-           next;
-       }
-       if (/^@@ -\S+ \+(\d+)/) {
-           $lineno = $1 - 1;
-           next;
-       }
-       if (/^ /) {
-           $lineno++;
-           next;
-       }
-       if (s/^\+//) {
-           $lineno++;
-           chomp;
-           if (/\s$/) {
-               bad_line("trailing whitespace", $_);
-           }
-           if (/^\s* \t/) {
-               bad_line("indent SP followed by a TAB", $_);
-           }
-           #if (/^\s*\#define\s+LOCAL_DEBUG/) {
-           #    bad_line("LOCAL_DEBUG in commit", $_);
-           #}
-           if (/^([<>])\1{6} |^={7}$/) {
-               bad_line("unresolved merge conflict", $_);
-           }
-       }
-    }
-    foreach $filename (@sh_checks) {
-       sh_check();
-    }
-    exit($found_bad);
-'
+}
+
+