gecko-dev/webtools/bonsai/cvsblame.pl
2006-01-13 16:57:25 +00:00

907 lines
30 KiB
Perl
Executable File

#!/usr/bin/perl --
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bonsai CVS tool.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
##############################################################################
#
# cvsblame.pl - Shamelessly adapted from Scott Furman's cvsblame script
# by Steve Lamm (slamm@netscape.com)
# - Annotate each line of a CVS file with its author,
# revision #, date, etc.
#
# Report problems to Steve Lamm (slamm@netscape.com)
#
##############################################################################
use strict;
# Shut up misguided -w warnings about "used only once". "use vars" just
# doesn't work for me.
sub cvsblame_pl_sillyness {
my $zz;
$zz = $::file_description;
$zz = $::opt_A;
$zz = $::opt_d;
$zz = $::principal_branch;
$zz = %::lines_added;
$zz = %::lines_removed;
};
use Time::Local qw(timegm); # timestamps
use Date::Format; # human-readable dates
use File::Basename; # splits up paths into path, filename, suffix
my $debug = 0;
$::opt_m = 0 unless (defined($::opt_m));
# Extract base part of this script's name
($::progname = $0) =~ /([^\/]+)$/;
&cvsblame_init;
my $SECS_PER_DAY;
my $time;
sub cvsblame_init {
# Use default formatting options if none supplied
if (!$::opt_A && !$::opt_a && !$::opt_d && !$::opt_v) {
$::opt_a = 1;
$::opt_v = 1;
}
$time = time;
$SECS_PER_DAY = 60 * 60 * 24;
# Timestamp threshold at which annotations begin to occur, if -m option present.
$::opt_m_timestamp = $time;
if (defined $::opt_m) {
$::opt_m_timestamp -= $::opt_m * $SECS_PER_DAY;
}
}
# Generic traversal of a CVS tree. Invoke callback function for
# individual directories that contain CVS files.
sub traverse_cvs_tree {
my ($dir, $nlink);
local *callback;
($dir, *callback, $nlink) = @_;
my ($dev, $ino, $mode, $subcount);
# Get $nlink for top-level directory
($dev, $ino, $mode, $nlink) = stat($dir) unless $nlink;
# Read directory
opendir(DIR, $dir) || die "Can't open $dir\n";
my (@filenames) = readdir(DIR);
closedir(DIR);
return if ! -d "$dir/CVS";
&callback($dir);
# This dir has subdirs
if ($nlink != 2) {
$subcount = $nlink - 2; # Number of subdirectories
for (@filenames) {
last if $subcount == 0;
next if $_ eq '.';
next if $_ eq '..';
next if $_ eq 'CVS';
my $name = "$dir/$_";
($dev, $ino, $mode, $nlink) = lstat($name);
next unless -d _;
if (-x _ && -r _) {
print STDERR "$::progname: Entering $name\n";
&traverse_cvs_tree($name, *callback, $nlink);
} else {
warn("Couldn't chdir to $name");
}
--$subcount;
}
}
}
# Consume one token from the already opened RCSFILE filehandle.
# Unescape string tokens, if necessary.
my $line_buffer;
sub get_token {
# Erase all-whitespace lines.
$line_buffer = '' unless (defined($line_buffer));
while ($line_buffer =~ /^$/) {
die ("Unexpected EOF") if eof(RCSFILE);
$line_buffer = <RCSFILE>;
$line_buffer =~ s/^\s+//; # Erase leading whitespace
}
# A string of non-whitespace characters is a token ...
return $1 if ($line_buffer =~ s/^([^;@][^;\s]*)\s*//o);
# ...and so is a single semicolon ...
return ';' if ($line_buffer =~ s/^;\s*//o);
# ...or an RCS-encoded string that starts with an @ character.
$line_buffer =~ s/^@([^@]*)//o;
my $token = $1;
# Detect single @ character used to close RCS-encoded string.
while ($line_buffer !~ /@/o || # Short-circuit optimization
$line_buffer !~ /([^@]|^)@([^@]|$)/o) {
$token .= $line_buffer;
die ("Unexpected EOF") if eof(RCSFILE);
$line_buffer = <RCSFILE>;
}
# Retain the remainder of the line after the terminating @ character.
my $i = rindex($line_buffer, '@');
$token .= substr($line_buffer, 0, $i);
$line_buffer = substr($line_buffer, $i + 1);
# Undo escape-coding of @ characters.
$token =~ s/@@/@/og;
# Digest any extra blank lines.
while (($line_buffer =~ /^$/) && !eof(RCSFILE)) {
$line_buffer = <RCSFILE>;
}
return $token;
}
my $rcs_pathname;
# Consume a token from RCS filehandle and ensure that it matches
# the given string constant.
sub match_token {
my ($match) = @_;
my ($token) = &get_token;
die "Unexpected parsing error in RCS file $rcs_pathname.\n",
"Expected token: $match, but saw: $token\n"
if ($token ne $match);
}
# Push RCS token back into the input buffer.
sub unget_token {
my ($token) = @_;
$line_buffer = $token . " " . $line_buffer;
}
# Parses "administrative" header of RCS files, setting these globals:
#
# $::head_revision -- Revision for which cleartext is stored
# $::principal_branch
# $::file_description
# %::revision_symbolic_name -- maps from numerical revision # to symbolic tag
# %::tag_revision -- maps from symbolic tag to numerical revision #
#
sub parse_rcs_admin {
my ($token, $tag, $tag_name, $tag_revision);
# Undefine variables, because we may have already read another RCS file
undef %::tag_revision;
undef %::revision_symbolic_name;
while (1) {
# Read initial token at beginning of line
$token = &get_token();
# We're done once we reach the description of the RCS tree
if ($token =~ /^\d/o) {
&unget_token($token);
return;
}
# print "token: $token\n";
if ($token eq "head") {
$::head_revision = &get_token;
&get_token; # Eat semicolon
} elsif ($token eq "branch") {
$::principal_branch = &get_token;
&get_token; # Eat semicolon
} elsif ($token eq "symbols") {
# Create an associate array that maps from tag name to
# revision number and vice-versa.
while (($tag = &get_token) ne ';') {
($tag_name, $tag_revision) = split(':', $tag);
$::tag_revision{$tag_name} = $tag_revision;
$::revision_symbolic_name{$tag_revision} = $tag_name;
}
} elsif ($token eq "comment") {
$::file_description = &get_token;
&get_token; # Eat semicolon
# Ignore all these other fields - We don't care about them.
} elsif (($token eq "locks") ||
($token eq "strict") ||
($token eq "expand") ||
($token eq "access")) {
(1) while (&get_token ne ';');
} else {
warn ("Unexpected RCS token: $token\n");
}
}
die "Unexpected EOF";
}
# Construct associative arrays that represent the topology of the RCS tree
# and other arrays that contain info about individual revisions.
#
# The following associative arrays are created, keyed by revision number:
# %::revision_date -- e.g. "96.02.23.00.21.52"
# %::timestamp -- seconds since 12:00 AM, Jan 1, 1970 GMT
# %::revision_author -- e.g. "tom"
# %::revision_branches -- descendant branch revisions, separated by spaces,
# e.g. "1.21.4.1 1.21.2.6.1"
# %::prev_revision -- revision number of previous *ancestor* in RCS tree.
# Traversal of this array occurs in the direction
# of the primordial (1.1) revision.
# %::prev_delta -- revision number of previous revision which forms
# the basis for the edit commands in this revision.
# This causes the tree to be traversed towards the
# trunk when on a branch, and towards the latest trunk
# revision when on the trunk.
# %::next_delta -- revision number of next "delta". Inverts %::prev_delta.
#
# Also creates %::last_revision, keyed by a branch revision number, which
# indicates the latest revision on a given branch,
# e.g. $::last_revision{"1.2.8"} == 1.2.8.5
#
my %revision_age;
sub parse_rcs_tree {
my ($revision, $date, $author, $branches, $next);
my ($branch, $is_trunk_revision);
# Undefine variables, because we may have already read another RCS file
undef %::timestamp;
undef %revision_age;
undef %::revision_author;
undef %::revision_branches;
undef %::revision_ctime;
undef %::revision_date;
undef %::prev_revision;
undef %::prev_delta;
undef %::next_delta;
undef %::last_revision;
# until we use commitid
my $commitid;
while (1) {
$revision = &get_token;
# End of RCS tree description ?
if ($revision eq 'desc') {
&unget_token($revision);
return;
}
$is_trunk_revision = ($revision =~ /^[0-9]+\.[0-9]+$/);
$::tag_revision{$revision} = $revision;
($branch) = $revision =~ /(.*)\.[0-9]+/o;
$::last_revision{$branch} = $revision;
# Parse date
&match_token('date');
$date = &get_token;
$::revision_date{$revision} = $date;
&match_token(';');
# Convert date into timestamp
my @date_fields = reverse(split(/\./, $date));
$date_fields[4]--; # Month ranges from 0-11, not 1-12
$::timestamp{$revision} = timegm(@date_fields);
# Pretty print the date string
my @ltime = localtime($::timestamp{$revision});
my $formated_date = strftime("%Y-%m-%d %H:%M", @ltime);
$::revision_ctime{$revision} = $formated_date;
# Save age
$revision_age{$revision} =
($time - $::timestamp{$revision}) / $SECS_PER_DAY;
# Parse author
&match_token('author');
$author = &get_token;
$::revision_author{$revision} = $author;
&match_token(';');
# Parse state;
&match_token('state');
while (&get_token ne ';') { }
# Parse branches
&match_token('branches');
$branches = '';
my $token;
while (($token = &get_token) ne ';') {
$::prev_revision{$token} = $revision;
$::prev_delta{$token} = $revision;
$branches .= "$token ";
}
$::revision_branches{$revision} = $branches;
# Parse revision of next delta in chain
&match_token('next');
$next = '';
if (($token = &get_token) ne ';') {
$next = $token;
&get_token; # Eat semicolon
$::next_delta{$revision} = $next;
$::prev_delta{$next} = $revision;
if ($is_trunk_revision) {
$::prev_revision{$revision} = $next;
} else {
$::prev_revision{$next} = $revision;
}
}
if (($token = &get_token) eq 'commitid') {
$commitid = &get_token;
&match_token(';');
} else {
&unget_token($token);
}
if ($debug >= 3) {
print "<pre>revision = $revision\n";
print "date = $date\n";
print "author = $author\n";
print "branches = $branches\n";
print "next = $next\n";
print "commitid = $commitid\n" if defined $commitid;
print "</pre>\n\n";
}
}
}
sub parse_rcs_description {
&match_token('desc');
my $rcs_file_description = &get_token;
}
# Construct associative arrays containing info about individual revisions.
#
# The following associative arrays are created, keyed by revision number:
# %::revision_log -- log message
# %::revision_deltatext -- Either the complete text of the revision,
# in the case of the head revision, or the
# encoded delta between this revision and another.
# The delta is either with respect to the successor
# revision if this revision is on the trunk or
# relative to its immediate predecessor if this
# revision is on a branch.
sub parse_rcs_deltatext {
undef %::revision_log;
undef %::revision_deltatext;
while (!eof(RCSFILE)) {
my $revision = &get_token;
print "Reading delta for revision: $revision\n" if ($debug >= 3);
&match_token('log');
$::revision_log{$revision} = &get_token;
&match_token('text');
$::revision_deltatext{$revision} = &get_token;
}
}
# Reads and parses complete RCS file from already-opened RCSFILE descriptor.
# Or if a parameter is given use the corresponding file
sub parse_rcs_file {
my $path = shift;
if (defined $path) {
open (RCSFILE, $path);
}
print "Reading RCS admin...\n" if ($debug >= 2);
&parse_rcs_admin();
print "Reading RCS revision tree topology...\n" if ($debug >= 2);
&parse_rcs_tree();
if( $debug >= 3 ){
print "<pre>Keys:\n\n";
for my $i (keys %::tag_revision ){
my $k = $::tag_revision{$i};
print "yoyuo $i: $k\n";
}
print "</pre>\n";
}
&parse_rcs_description();
print "Reading RCS revision deltas...\n" if ($debug >= 2);
&parse_rcs_deltatext();
print "Done reading RCS file...\n" if ($debug >= 2);
close RCSFILE if (defined $path);
}
# Map a tag to a numerical revision number. The tag can be a symbolic
# branch tag, a symbolic revision tag, or an ordinary numerical
# revision number.
sub map_tag_to_revision {
my ($tag_or_revision) = @_;
my ($revision) = $::tag_revision{$tag_or_revision};
# Is this a branch tag, e.g. xxx.yyy.0.zzz
if ($revision =~ /(.*)\.0\.([0-9]+)/o) {
my $branch = $1 . '.' . $2;
# Return latest revision on the branch, if any.
return $::last_revision{$branch} if (defined($::last_revision{$branch}));
return $1; # No revisions on branch - return branch point
} else {
return $revision;
}
}
# Construct an ordered list of ancestor revisions to the given
# revision, starting with the immediate ancestor and going back
# to the primordial revision (1.1).
#
# Note: The generated path does not traverse the tree the same way
# that the individual revision deltas do. In particular,
# the path traverses the tree "backwards" on branches.
sub ancestor_revisions {
my ($revision) = @_;
my (@ancestors);
$revision = $::prev_revision{$revision};
while ($revision) {
push(@ancestors, $revision);
$revision = $::prev_revision{$revision};
}
return @ancestors;
}
# Extract the given revision from the digested RCS file.
# (Essentially the equivalent of cvs up -rXXX)
sub extract_revision {
my ($revision) = @_;
my (@path);
my $add_lines_remaining = 0;
my ($start_line, $count);
# Compute path through tree of revision deltas to most recent trunk revision
while ($revision) {
push(@path, $revision);
$revision = $::prev_delta{$revision};
}
@path = reverse(@path);
shift @path; # Get rid of head revision
# Get complete contents of head revision
my (@text) = split(/^/, $::revision_deltatext{$::head_revision});
# Iterate, applying deltas to previous revision
foreach $revision (@path) {
my $adjust = 0;
my @diffs = split(/^/, $::revision_deltatext{$revision});
my ($lines_added) = 0;
my ($lines_removed) = 0;
foreach my $command (@diffs) {
if ($add_lines_remaining > 0) {
# Insertion lines from a prior "a" command.
splice(@text, $start_line + $adjust,
0, $command);
$add_lines_remaining--;
$adjust++;
} elsif ($command =~ /^d(\d+)\s(\d+)/) {
# "d" - Delete command
($start_line, $count) = ($1, $2);
splice(@text, $start_line + $adjust - 1, $count);
$adjust -= $count;
$lines_removed += $count;
} elsif ($command =~ /^a(\d+)\s(\d+)/) {
# "a" - Add command
($start_line, $count) = ($1, $2);
$add_lines_remaining = $count;
$lines_added += $lines_added;
} else {
die "Error parsing diff commands";
}
}
$::lines_removed{$revision} += $lines_removed;
$::lines_added{$revision} += $lines_added;
}
return @text;
}
sub parse_cvs_file {
($rcs_pathname) = @_;
# Args in: $::opt_rev - requested revision
# $::opt_m - time since modified
# Args out: @::revision_map
# %::timestamp
# (%::revision_deltatext)
my @diffs;
my $revision;
my $skip;
my ($start_line, $count);
my @temp;
@::revision_map = ();
CheckHidden($rcs_pathname);
if (!open(RCSFILE, $rcs_pathname)) {
my ($name, $path, $suffix) = fileparse($rcs_pathname);
my $deleted_pathname = "${path}Attic/$name$suffix";
if (!open(RCSFILE, $deleted_pathname)) {
print STDERR "$::progname: This file appeared to be " .
"under CVS control, but the RCS file is inaccessible.\n";
print STDERR "(Couldn't open '" . shell_escape($rcs_pathname) .
"' or '" . shell_escape($deleted_pathname) . "').\n";
die "CVS file is inaccessible.\n";
}
}
&parse_rcs_file();
close(RCSFILE);
if (!defined($::opt_rev) || $::opt_rev eq '' || $::opt_rev eq 'HEAD') {
# Explicitly specified topmost revision in tree
$revision = $::head_revision;
} else {
# Symbolic tag or specific revision number specified.
$revision = &map_tag_to_revision($::opt_rev);
die "$::progname: error: -r: No such revision: $::opt_rev\n"
if ($revision eq '');
}
# The primordial revision is not always 1.1! Go find it.
my $primordial = $revision;
while (exists($::prev_revision{$primordial}) &&
$::prev_revision{$primordial} ne "") {
$primordial = $::prev_revision{$primordial};
}
# Don't display file at all, if -m option is specified and no
# changes have been made in the specified file.
if ($::opt_m && $::timestamp{$revision} < $::opt_m_timestamp) {
return '';
}
# Figure out how many lines were in the primordial, i.e. version 1.1,
# check-in by moving backward in time from the head revision to the
# first revision.
my $line_count = 0;
if (exists ($::revision_deltatext{$::head_revision}) &&
$::revision_deltatext{$::head_revision}) {
my @tmp_array = split(/^/, $::revision_deltatext{$::head_revision});
$line_count = @tmp_array;
}
$skip = 0 unless (defined($skip));
my $rev;
for ($rev = $::prev_revision{$::head_revision}; $rev;
$rev = $::prev_revision{$rev}) {
@diffs = split(/^/, $::revision_deltatext{$rev});
foreach my $command (@diffs) {
if ($skip > 0) {
# Skip insertion lines from a prior "a" command.
$skip--;
} elsif ($command =~ /^d(\d+)\s(\d+)/) {
# "d" - Delete command
($start_line, $count) = ($1, $2);
$line_count -= $count;
} elsif ($command =~ /^a(\d+)\s(\d+)/) {
# "a" - Add command
($start_line, $count) = ($1, $2);
$skip = $count;
$line_count += $count;
} else {
die "$::progname: error: illegal RCS file $rcs_pathname\n",
" error appears in revision $rev\n";
}
}
}
# Now, play the delta edit commands *backwards* from the primordial
# revision forward, but rather than applying the deltas to the text of
# each revision, apply the changes to an array of revision numbers.
# This creates a "revision map" -- an array where each element
# represents a line of text in the given revision but contains only
# the revision number in which the line was introduced rather than
# the line text itself.
#
# Note: These are backward deltas for revisions on the trunk and
# forward deltas for branch revisions.
# Create initial revision map for primordial version.
while ($line_count--) {
push(@::revision_map, $primordial);
}
my @ancestors = &ancestor_revisions($revision);
unshift (@ancestors, $revision); #
pop @ancestors; # Remove "1.1"
$::last_revision = $primordial;
foreach $revision (reverse @ancestors) {
my $is_trunk_revision = ($revision =~ /^[0-9]+\.[0-9]+$/);
if ($is_trunk_revision) {
@diffs = split(/^/, $::revision_deltatext{$::last_revision});
# Revisions on the trunk specify deltas that transform a
# revision into an earlier revision, so invert the translation
# of the 'diff' commands.
foreach my $command (@diffs) {
if ($skip > 0) {
$skip--;
} else {
if ($command =~ /^d(\d+)\s(\d+)$/) { # Delete command
($start_line, $count) = ($1, $2);
$#temp = -1;
while ($count--) {
push(@temp, $revision);
}
splice(@::revision_map, $start_line - 1, 0, @temp);
} elsif ($command =~ /^a(\d+)\s(\d+)$/) { # Add command
($start_line, $count) = ($1, $2);
splice(@::revision_map, $start_line, $count);
$skip = $count;
} else {
die "Error parsing diff commands";
}
}
}
} else {
# Revisions on a branch are arranged backwards from those on
# the trunk. They specify deltas that transform a revision
# into a later revision.
my $adjust = 0;
@diffs = split(/^/, $::revision_deltatext{$revision});
foreach my $command (@diffs) {
if ($skip > 0) {
$skip--;
} else {
if ($command =~ /^d(\d+)\s(\d+)$/) { # Delete command
($start_line, $count) = ($1, $2);
splice(@::revision_map, $start_line + $adjust - 1, $count);
$adjust -= $count;
} elsif ($command =~ /^a(\d+)\s(\d+)$/) { # Add command
($start_line, $count) = ($1, $2);
$skip = $count;
$#temp = -1;
while ($count--) {
push(@temp, $revision);
}
splice(@::revision_map, $start_line + $adjust, 0, @temp);
$adjust += $skip;
} else {
die "Error parsing diff commands";
}
}
}
}
$::last_revision = $revision;
}
return $revision;
}
1;
__END__
#
# The following are parts of the original cvsblame script that are not
# used for cvsblame.pl
#
# Read CVS/Entries and CVS/Repository files.
#
# Creates these associative arrays, keyed by the CVS file pathname
#
# %cvs_revision -- Revision # present in working directory
# %cvs_date
# %cvs_sticky_revision -- Sticky tag, if any
#
# Also, creates %cvs_files, keyed by the directory path, which contains
# a space-separated list of the files under CVS control in the directory
sub read_cvs_entries
{
my ($directory) = @_;
my ($filename, $rev, $date, $idunno, $sticky, $pathname);
$cvsdir = $directory . '/CVS';
CheckHidden($cvsdir);
return if (! -d $cvsdir);
return if !open(ENTRIES, "$cvsdir/Entries");
while(<ENTRIES>) {
chop;
($filename, $rev, $date, $idunno, $sticky) = split("/", substr($_, 1));
($pathname) = $directory . "/" . $filename;
$cvs_revision{$pathname} = $rev;
$cvs_date{$pathname} = $date;
$cvs_sticky_revision{$pathname} = $sticky;
$cvs_files{$directory} .= "$filename\\";
}
close(ENTRIES);
return if !open(REPOSITORY, "$cvsdir/Repository");
$repository = <REPOSITORY>;
chop($repository);
close(REPOSITORY);
$repository{$directory} = $repository;
}
# Given path to file in CVS working directory, compute path to RCS
# repository file. Cache that info for future use.
sub rcs_pathname {
($pathname) = @_;
if ($pathname =~ m@/@) {
($directory,$filename) = $pathname =~ m@(.*)/([^/]+)$@;
} else {
($directory,$filename) = ('.',$pathname);
$pathname = "./" . $pathname;
}
if (!defined($repository{$directory})) {
&read_cvs_entries($directory);
}
if (!defined($cvs_revision{$pathname})) {
die "$::progname: error: File '$pathname' does not appear to be under" .
" CVS control.\n"
}
print STDERR "file: $filename\n" if $debug;
my ($rcs_path) = $repository{$directory} . '/' . $filename . ',v';
return $rcs_path if (-r $rcs_path);
# A file that exists only on the branch, not on the trunk, is found
# in the Attic subdir.
return $repository{$directory} . '/Attic/' . $filename . ',v';
}
sub show_annotated_cvs_file {
my ($pathname) = @_;
my (@output) = ();
my $revision = &parse_cvs_file($pathname);
@text = &extract_revision($revision);
die "$::progname: Internal consistency error" if ($#text != $#::revision_map);
# Set total width of line annotation.
# Warning: field widths here must match format strings below.
$annotation_width = 0;
$annotation_width += 8 if $::opt_a; # author
$annotation_width += 7 if $::opt_v; # revision
$annotation_width += 6 if $::opt_A; # age
$annotation_width += 12 if $::opt_d; # date
$blank_annotation = ' ' x $annotation_width;
if ($multiple_files_on_command_line) {
print "\n", "=" x (83 + $annotation_width);
print "\n$::progname: Listing file: $pathname\n"
}
# Print each line of the revision, preceded by its annotation.
$line = 0;
foreach $revision (@::revision_map) {
$text = $text[$line++];
$annotation = '';
# Annotate with revision author
$annotation .= sprintf("%-8s", $::revision_author{$revision}) if $::opt_a;
# Annotate with revision number
$annotation .= sprintf(" %-6s", $revision) if $::opt_v;
# Date annotation
$annotation .= " $::revision_ctime{$revision}" if $::opt_d;
# Age annotation ?
$annotation .= sprintf(" (%3s)",
int($revision_age{$revision})) if $::opt_A;
# -m (if-modified-since) annotion ?
if ($::opt_m && ($::timestamp{$revision} < $::opt_m_timestamp)) {
$annotation = $blank_annotation;
}
# Suppress annotation of whitespace lines, if requested;
$annotation = $blank_annotation if $::opt_w && ($text =~ /^\s*$/);
# printf "%4d ", $line if $::opt_l;
# print "$annotation - $text";
push(@output, sprintf("%4d ", $line)) if $::opt_l;
push(@output, "$annotation - $text");
}
@output;
}
sub usage {
die
"$::progname: usage: [options] [file|dir]...\n",
" Options:\n",
" -r <revision> Specify CVS revision of file to display\n",
" <revision> can be any of:\n",
" + numeric tag, e.g. 1.23,\n",
" + symbolic branch or revision tag, e.g. CHEDDAR,\n",
" + HEAD keyword (most recent revision on trunk)\n",
" -a Annotate lines with author (username)\n",
" -A Annotate lines with age, in days\n",
" -v Annotate lines with revision number\n",
" -d Annotate lines with date, in local time zone\n",
" -l Annotate lines with line number\n",
" -w Don't annotate all-whitespace lines\n",
" -m <# days> Only annotate lines modified within last <# days>\n",
" -h Print help (this message)\n\n",
" (-a -v assumed, if none of -a, -v, -A, -d supplied)\n"
;
}
&usage if (!&Getopts('r:m:Aadhlvw'));
&usage if ($::opt_h); # help option
$multiple_files_on_command_line = 1 if ($#ARGV != 0);
&cvsblame_init;
sub annotate_cvs_directory
{
my ($dir) = @_;
&read_cvs_entries($dir);
foreach $file (split(/\\/, $cvs_files{$dir})) {
&show_annotated_cvs_file("$dir/$file");
}
}
# No files on command-line ? Use current directory.
push(@ARGV, '.') if ($#ARGV == -1);
# Iterate over files/directories on command-line
while ($#ARGV >= 0) {
$pathname = shift @ARGV;
# Is it a directory ?
if (-d $pathname) {
&traverse_cvs_tree($pathname, *annotate_cvs_directory);
# No, it must be a file.
} else {
&show_annotated_cvs_file($pathname);
}
}
1;