diff options
Diffstat (limited to 'gnu/usr.bin/cvs/contrib/commit_prep.pl')
| -rw-r--r-- | gnu/usr.bin/cvs/contrib/commit_prep.pl | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/contrib/commit_prep.pl b/gnu/usr.bin/cvs/contrib/commit_prep.pl new file mode 100644 index 0000000..b3f7e9a --- /dev/null +++ b/gnu/usr.bin/cvs/contrib/commit_prep.pl @@ -0,0 +1,168 @@ +#!/usr/local/bin/perl -w +# +# +# Perl filter to handle pre-commit checking of files. This program +# records the last directory where commits will be taking place for +# use by the log_accumulate script. For new file, it forcing the +# existence of a RCS "Id" keyword in the first ten lines of the file. +# For existing files, it checks version number in the "Id" line to +# prevent losing changes because an old version of a file was copied +# into the direcory. +# +# Possible future enhancements: +# +# +# Check for cruft left by unresolved conflicts. Search for +# "^<<<<<<<$", "^-------$", and "^>>>>>>>$". +# +# Look for a copyright and automagically update it to the +# current year. +# +# Contributed by David Hampton <hampton@cisco.com> +# + +############################################################ +# +# Configurable options +# +############################################################ +# +# Check each file (except dot files) for an RCS "Id" keyword. +# +$check_id = 1; + +# +# Record the directory for later use by the log_accumulate stript. +# +$record_directory = 1; + +############################################################ +# +# Constants +# +############################################################ +$LAST_FILE = "/tmp/#cvs.lastdir"; +$ENTRIES = "CVS/Entries"; + +$NoId = " +%s - Does not contain a line with the keyword \"Id:\". + Please see the template files for an example.\n"; + +# Protect string from substitution by RCS. +$NoName = " +%s - The ID line should contain only \"\$\I\d\:\ \$\" for a newly created file.\n"; + +$BadName = " +%s - The file name '%s' in the ID line does not match + the actual filename.\n"; + +$BadVersion = " +%s - How dare you!! You replaced your copy of the file '%s', + which was based upon version %s, with an %s version based + upon %s. Please move your '%s' out of the way, perform an + update to get the current version, and them merge your changes + into that file.\n"; + +############################################################ +# +# Subroutines +# +############################################################ + +sub write_line { + local($filename, $line) = @_; + open(FILE, ">$filename") || die("Cannot open $filename, stopped"); + print(FILE $line, "\n"); + close(FILE); +} + +sub check_version { + local($i, $id, $rname, $version); + local($filename, $cvsversion) = @_; + + open(FILE, $filename) || die("Cannot open $filename, stopped"); + for ($i = 1; $i < 10; $i++) { + $pos = -1; + last if eof(FILE); + $line = <FILE>; + $pos = index($line, "Id: "); + last if ($pos >= 0); + } + + if ($pos == -1) { + printf($NoId, $filename); + return(1); + } + + ($id, $rname, $version) = split(' ', substr($line, $pos)); + if ($cvsversion{$filename} == 0) { + if ($rname ne "\$") { + printf($NoName, $filename); + return(1); + } + return(0); + } + + if ($rname ne "$filename,v") { + printf($BadName, $filename, substr($rname, 0, length($rname)-2)); + return(1); + } + if ($cvsversion{$filename} < $version) { + printf($BadVersion, $filename, $filename, $cvsversion{$filename}, + "newer", $version, $filename); + return(1); + } + if ($cvsversion{$filename} > $version) { + printf($BadVersion, $filename, $filename, $cvsversion{$filename}, + "older", $version, $filename); + return(1); + } + return(0); +} + +############################################################# +# +# Main Body +# +############################################################ + +$id = getpgrp(); +#print("ARGV - ", join(":", @ARGV), "\n"); +#print("id - ", id, "\n"); + +# +# Suck in the Entries file +# +open(ENTRIES, $ENTRIES) || die("Cannot open $ENTRIES.\n"); +while (<ENTRIES>) { + local($filename, $version) = split('/', substr($_, 1)); + $cvsversion{$filename} = $version; +} + +# +# Now check each file name passed in, except for dot files. Dot files +# are considered to be administrative files by this script. +# +if ($check_id != 0) { + $failed = 0; + $directory = $ARGV[0]; + shift @ARGV; + foreach $arg (@ARGV) { + next if (index($arg, ".") == 0); + $failed += &check_version($arg); + } + if ($failed) { + print "\n"; + exit(1); + } +} + +# +# Record this directory as the last one checked. This will be used +# by the log_accumulate script to determine when it is processing +# the final directory of a multi-directory commit. +# +if ($record_directory != 0) { + &write_line("$LAST_FILE.$id", $directory); +} +exit(0); |
