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#! /usr/bin/perl
#
# $Id: cvsedit,v 1.11 1997/04/13 11:18:55 bde Exp $
#
# This crude hack is to sanitise the results of what the user may have
# "done" while editing the commit log message.. :-) Peter Wemm.
#
# To use this, make it executable, and set your editinfo DEFAULT line:
# DEFAULT /path/to/this/program
#
# same rules as CVS
$editor="vi";
if (defined $ENV{'EDITOR'}) { # $EDITOR overrides default
$editor = $ENV{'EDITOR'};
}
if (defined $ENV{'CVSEDITOR'}) { # $CVSEDITOR overrises $EDITOR
$editor = $ENV{'CVSEDITOR'};
}
if (!@ARGV) {
die "Usage: cvsedit filename\n";
}
$filename = $ARGV[0];
$tmpfile = $filename . "tmp";
$retcode = system("$editor $filename");
$retcode /= 256;
if ($retcode) {
# Kaboom!
exit($retcode);
}
open(IN, "< $filename") ||
die "cvsedit: Cannot open for reading: $filename: $!\n";
open(OUT, "> $tmpfile") ||
die "cvsedit: Cannot open for writing: $tmpfile: $!\n";
# In-place edit the result of the user's edit on the file.
$blank = 0; # true if the last line was blank
$first = 0; # true if we have seen the first real text
while(<IN>) {
# Dont let CVS: lines upset things, but maintain them in case
# the editor is re-entered. NO CHANGES!!
if (/^CVS:/) {
print OUT;
next;
}
chop; # strip trailing newline
s/[\s]+$//; # strip trailing whitespace
# collapse multiple blank lines, and trailing blank lines.
if (/^$/) {
# Blank line. Remember in case more text follows.
$blank = 1;
next;
} else {
# Delete if they only have whitespace after them.
if (/^PR:$/i ||
/^Reviewed by:$/i ||
/^Submitted by:$/i ||
/^Obtained from:$/i ||
/^CC:$/i) {
next;
}
if ($blank && $first) {
# Previous line(s) was blank, this isn't. Close the
# collapsed section.
print OUT "\n";
}
$blank = 0; # record non-blank
$first = 1; # record first line
print OUT "$_\n";
}
}
close(IN);
close(OUT);
unlink($filename . "~"); # Nuke likely editor backups..
unlink($filename . ".bak"); # Nuke likely editor backups..
# Check to see if any differences.
$different = system("cmp -s $tmpfile $filename");
# Make a clean exit if there are no changes, or there is no 'text'
# - for example, a user quit the editor without saving.
# preserve stat() info if appropriate.
if (!$different || !$first) {
unlink($tmpfile);
exit(0);
}
rename("$tmpfile", "$filename") ||
die("cvsedit: Could not rename $tmpfile to $filename: $!");
exit(0);
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