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-rwxr-xr-xgit-cvsserver.perl750
1 files changed, 625 insertions, 125 deletions
diff --git a/git-cvsserver.perl b/git-cvsserver.perl
index ecded3b9cb..b0a805c688 100755
--- a/git-cvsserver.perl
+++ b/git-cvsserver.perl
@@ -21,6 +21,7 @@ use bytes;
use Fcntl;
use File::Temp qw/tempdir tempfile/;
+use File::Path qw/rmtree/;
use File::Basename;
use Getopt::Long qw(:config require_order no_ignore_case);
@@ -73,8 +74,8 @@ my $methods = {
'status' => \&req_status,
'admin' => \&req_CATCHALL,
'history' => \&req_CATCHALL,
- 'watchers' => \&req_CATCHALL,
- 'editors' => \&req_CATCHALL,
+ 'watchers' => \&req_EMPTY,
+ 'editors' => \&req_EMPTY,
'annotate' => \&req_annotate,
'Global_option' => \&req_Globaloption,
#'annotate' => \&req_CATCHALL,
@@ -86,10 +87,21 @@ my $methods = {
# $state holds all the bits of information the clients sends us that could
# potentially be useful when it comes to actually _doing_ something.
my $state = { prependdir => '' };
+
+# Work is for managing temporary working directory
+my $work =
+ {
+ state => undef, # undef, 1 (empty), 2 (with stuff)
+ workDir => undef,
+ index => undef,
+ emptyDir => undef,
+ tmpDir => undef
+ };
+
$log->info("--------------- STARTING -----------------");
my $usage =
- "Usage: git-cvsserver [options] [pserver|server] [<directory> ...]\n".
+ "Usage: git cvsserver [options] [pserver|server] [<directory> ...]\n".
" --base-path <path> : Prepend to requested CVSROOT\n".
" --strict-paths : Don't allow recursing into subdirectories\n".
" --export-all : Don't check for gitcvs.enabled in config\n".
@@ -189,6 +201,9 @@ while (<STDIN>)
$log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
$log->info("--------------- FINISH -----------------");
+chdir '/';
+exit 0;
+
# Magic catchall method.
# This is the method that will handle all commands we haven't yet
# implemented. It simply sends a warning to the log file indicating a
@@ -199,6 +214,11 @@ sub req_CATCHALL
$log->warn("Unhandled command : req_$cmd : $data");
}
+# This method invariably succeeds with an empty response.
+sub req_EMPTY
+{
+ print "ok\n";
+}
# Root pathname \n
# Response expected: no. Tell the server which CVSROOT to use. Note that
@@ -482,7 +502,7 @@ sub req_add
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
# this is an "entries" line
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
$log->debug("/$filepart/1.$meta->{revision}//$kopts/");
print "/$filepart/1.$meta->{revision}//$kopts/\n";
# permissions
@@ -513,9 +533,26 @@ sub req_add
print "Checked-in $dirpart\n";
print "$filename\n";
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path($filename,"file",
+ $state->{entries}{$filename}{modified_filename});
print "/$filepart/0//$kopts/\n";
+ my $requestedKopts = $state->{opt}{k};
+ if(defined($requestedKopts))
+ {
+ $requestedKopts = "-k$requestedKopts";
+ }
+ else
+ {
+ $requestedKopts = "";
+ }
+ if( $kopts ne $requestedKopts )
+ {
+ $log->warn("Ignoring requested -k='$requestedKopts'"
+ . " for '$filename'; detected -k='$kopts' instead");
+ #TODO: Also have option to send warning to user?
+ }
+
$addcount++;
}
@@ -595,7 +632,7 @@ sub req_remove
print "Checked-in $dirpart\n";
print "$filename\n";
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
print "/$filepart/-1.$wrev//$kopts/\n";
$rmcount++;
@@ -764,7 +801,20 @@ sub req_co
argsplit("co");
+ # Provide list of modules, if -c was used.
+ if (exists $state->{opt}{c}) {
+ my $showref = `git show-ref --heads`;
+ for my $line (split '\n', $showref) {
+ if ( $line =~ m% refs/heads/(.*)$% ) {
+ print "M $1\t$1\n";
+ }
+ }
+ print "ok\n";
+ return 1;
+ }
+
my $module = $state->{args}[0];
+ $state->{module} = $module;
my $checkout_path = $module;
# use the user specified directory if we're given it
@@ -842,6 +892,7 @@ sub req_co
# Don't want to check out deleted files
next if ( $git->{filehash} eq "deleted" );
+ my $fullName = $git->{name};
( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
if (length($git->{dir}) && $git->{dir} ne './'
@@ -872,7 +923,7 @@ sub req_co
print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
# this is an "entries" line
- my $kopts = kopts_from_path($git->{name});
+ my $kopts = kopts_from_path($fullName,"sha1",$git->{filehash});
print "/$git->{name}/1.$git->{revision}//$kopts/\n";
# permissions
print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
@@ -908,21 +959,15 @@ sub req_update
# projects (heads in this case) to checkout.
#
if ($state->{module} eq '') {
- my $heads_dir = $state->{CVSROOT} . '/refs/heads';
- if (!opendir HEADS, $heads_dir) {
- print "E [server aborted]: Failed to open directory, "
- . "$heads_dir: $!\nerror\n";
- return 0;
- }
+ my $showref = `git show-ref --heads`;
print "E cvs update: Updating .\n";
- while (my $head = readdir(HEADS)) {
- if (-f $state->{CVSROOT} . '/refs/heads/' . $head) {
- print "E cvs update: New directory `$head'\n";
- }
- }
- closedir HEADS;
- print "ok\n";
- return 1;
+ for my $line (split '\n', $showref) {
+ if ( $line =~ m% refs/heads/(.*)$% ) {
+ print "E cvs update: New directory `$1'\n";
+ }
+ }
+ print "ok\n";
+ return 1;
}
@@ -958,6 +1003,17 @@ sub req_update
$meta = $updater->getmeta($filename);
}
+ # If -p was given, "print" the contents of the requested revision.
+ if ( exists ( $state->{opt}{p} ) ) {
+ if ( defined ( $meta->{revision} ) ) {
+ $log->info("Printing '$filename' revision " . $meta->{revision});
+
+ transmitfile($meta->{filehash}, { print => 1 });
+ }
+
+ next;
+ }
+
if ( ! defined $meta )
{
$meta = {
@@ -1070,7 +1126,7 @@ sub req_update
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
# this is an "entries" line
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
$log->debug("/$filepart/1.$meta->{revision}//$kopts/");
print "/$filepart/1.$meta->{revision}//$kopts/\n";
@@ -1085,25 +1141,27 @@ sub req_update
$log->info("Updating '$filename'");
my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
- my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/";
+ my $mergeDir = setupTmpDir();
- chdir $dir;
my $file_local = $filepart . ".mine";
+ my $mergedFile = "$mergeDir/$file_local";
system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
my $file_old = $filepart . "." . $oldmeta->{revision};
- transmitfile($oldmeta->{filehash}, $file_old);
+ transmitfile($oldmeta->{filehash}, { targetfile => $file_old });
my $file_new = $filepart . "." . $meta->{revision};
- transmitfile($meta->{filehash}, $file_new);
+ transmitfile($meta->{filehash}, { targetfile => $file_new });
# we need to merge with the local changes ( M=successful merge, C=conflict merge )
$log->info("Merging $file_local, $file_old, $file_new");
print "M Merging differences between 1.$oldmeta->{revision} and 1.$meta->{revision} into $filename\n";
- $log->debug("Temporary directory for merge is $dir");
+ $log->debug("Temporary directory for merge is $mergeDir");
my $return = system("git", "merge-file", $file_local, $file_old, $file_new);
$return >>= 8;
+ cleanupTmpDir();
+
if ( $return == 0 )
{
$log->info("Merged successfully");
@@ -1116,7 +1174,8 @@ sub req_update
print "Merged $dirpart\n";
$log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path("$dirpart/$filepart",
+ "file",$mergedFile);
$log->debug("/$filepart/1.$meta->{revision}//$kopts/");
print "/$filepart/1.$meta->{revision}//$kopts/\n";
}
@@ -1132,7 +1191,8 @@ sub req_update
{
print "Merged $dirpart\n";
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path("$dirpart/$filepart",
+ "file",$mergedFile);
print "/$filepart/1.$meta->{revision}/+/$kopts/\n";
}
}
@@ -1152,13 +1212,11 @@ sub req_update
# transmit file, format is single integer on a line by itself (file
# size) followed by the file contents
# TODO : we should copy files in blocks
- my $data = `cat $file_local`;
+ my $data = `cat $mergedFile`;
$log->debug("File size : " . length($data));
print length($data) . "\n";
print $data;
}
-
- chdir "/";
}
}
@@ -1179,6 +1237,7 @@ sub req_ci
if ( $state->{method} eq 'pserver')
{
print "error 1 pserver access cannot commit\n";
+ cleanupWorkTree();
exit;
}
@@ -1186,6 +1245,7 @@ sub req_ci
{
$log->warn("file 'index' already exists in the git repository");
print "error 1 Index already exists in git repo\n";
+ cleanupWorkTree();
exit;
}
@@ -1193,31 +1253,20 @@ sub req_ci
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
$updater->update();
- my $tmpdir = tempdir ( DIR => $TEMP_DIR );
- my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
- $log->info("Lockless commit start, basing commit on '$tmpdir', index file is '$file_index'");
-
- $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
- $ENV{GIT_WORK_TREE} = ".";
- $ENV{GIT_INDEX_FILE} = $file_index;
-
# Remember where the head was at the beginning.
my $parenthash = `git show-ref -s refs/heads/$state->{module}`;
chomp $parenthash;
if ($parenthash !~ /^[0-9a-f]{40}$/) {
print "error 1 pserver cannot find the current HEAD of module";
+ cleanupWorkTree();
exit;
}
- chdir $tmpdir;
+ setupWorkTree($parenthash);
- # populate the temporary index
- system("git-read-tree", $parenthash);
- unless ($? == 0)
- {
- die "Error running git-read-tree $state->{module} $file_index $!";
- }
- $log->info("Created index '$file_index' for head $state->{module} - exit status $?");
+ $log->info("Lockless commit start, basing commit on '$work->{workDir}', index file is '$work->{index}'");
+
+ $log->info("Created index '$work->{index}' for head $state->{module} - exit status $?");
my @committedfiles = ();
my %oldmeta;
@@ -1255,7 +1304,7 @@ sub req_ci
{
# fail everything if an up to date check fails
print "error 1 Up to date check failed for $filename\n";
- chdir "/";
+ cleanupWorkTree();
exit;
}
@@ -1297,7 +1346,7 @@ sub req_ci
{
print "E No files to commit\n";
print "ok\n";
- chdir "/";
+ cleanupWorkTree();
return;
}
@@ -1320,7 +1369,7 @@ sub req_ci
{
$log->warn("Commit failed (Invalid commit hash)");
print "error 1 Commit failed (unknown reason)\n";
- chdir "/";
+ cleanupWorkTree();
exit;
}
@@ -1332,7 +1381,7 @@ sub req_ci
{
$log->warn("Commit failed (update hook declined to update ref)");
print "error 1 Commit failed (update hook declined)\n";
- chdir "/";
+ cleanupWorkTree();
exit;
}
}
@@ -1342,6 +1391,7 @@ sub req_ci
"refs/heads/$state->{module}", $commithash, $parenthash)) {
$log->warn("update-ref for $state->{module} failed.");
print "error 1 Cannot commit -- update first\n";
+ cleanupWorkTree();
exit;
}
@@ -1393,12 +1443,12 @@ sub req_ci
}
print "Checked-in $dirpart\n";
print "$filename\n";
- my $kopts = kopts_from_path($filepart);
+ my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
print "/$filepart/1.$meta->{revision}//$kopts/\n";
}
}
- chdir "/";
+ cleanupWorkTree();
print "ok\n";
}
@@ -1423,6 +1473,8 @@ sub req_status
{
$filename = filecleanup($filename);
+ next if exists($state->{opt}{l}) && index($filename, '/', length($state->{prependdir})) >= 0;
+
my $meta = $updater->getmeta($filename);
my $oldmeta = $meta;
@@ -1466,8 +1518,10 @@ sub req_status
$status ||= "Unknown";
+ my ($filepart) = filenamesplit($filename);
+
print "M ===================================================================\n";
- print "M File: $filename\tStatus: $status\n";
+ print "M File: $filepart\tStatus: $status\n";
if ( defined($state->{entries}{$filename}{revision}) )
{
print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
@@ -1541,14 +1595,14 @@ sub req_diff
print "E File $filename at revision 1.$revision1 doesn't exist\n";
next;
}
- transmitfile($meta1->{filehash}, $file1);
+ transmitfile($meta1->{filehash}, { targetfile => $file1 });
}
# otherwise we just use the working copy revision
else
{
( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
$meta1 = $updater->getmeta($filename, $wrev);
- transmitfile($meta1->{filehash}, $file1);
+ transmitfile($meta1->{filehash}, { targetfile => $file1 });
}
# if we have a second -r switch, use it too
@@ -1563,7 +1617,7 @@ sub req_diff
next;
}
- transmitfile($meta2->{filehash}, $file2);
+ transmitfile($meta2->{filehash}, { targetfile => $file2 });
}
# otherwise we just use the working copy
else
@@ -1576,7 +1630,7 @@ sub req_diff
{
( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
$meta2 = $updater->getmeta($filename, $wrev);
- transmitfile($meta2->{filehash}, $file2);
+ transmitfile($meta2->{filehash}, { targetfile => $file2 });
}
# We need to have retrieved something useful
@@ -1708,8 +1762,7 @@ sub req_log
print "M revision 1.$revision->{revision}\n";
# reformat the date for log output
$revision->{modified} = sprintf('%04d/%02d/%02d %s', $3, $DATE_LIST->{$2}, $1, $4 ) if ( $revision->{modified} =~ /(\d+)\s+(\w+)\s+(\d+)\s+(\S+)/ and defined($DATE_LIST->{$2}) );
- $revision->{author} =~ s/\s+.*//;
- $revision->{author} =~ s/^(.{8}).*/$1/;
+ $revision->{author} = cvs_author($revision->{author});
print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
my $commitmessage = $updater->commitmessage($revision->{commithash});
$commitmessage =~ s/^/M /mg;
@@ -1738,15 +1791,9 @@ sub req_annotate
argsfromdir($updater);
# we'll need a temporary checkout dir
- my $tmpdir = tempdir ( DIR => $TEMP_DIR );
- my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
- $log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'");
-
- $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
- $ENV{GIT_WORK_TREE} = ".";
- $ENV{GIT_INDEX_FILE} = $file_index;
+ setupWorkTree();
- chdir $tmpdir;
+ $log->info("Temp checkoutdir creation successful, basing annotate session work on '$work->{workDir}', index file is '$ENV{GIT_INDEX_FILE}'");
# foreach file specified on the command line ...
foreach my $filename ( @{$state->{args}} )
@@ -1770,10 +1817,10 @@ sub req_annotate
system("git-read-tree", $lastseenin);
unless ($? == 0)
{
- print "E error running git-read-tree $lastseenin $file_index $!\n";
+ print "E error running git-read-tree $lastseenin $ENV{GIT_INDEX_FILE} $!\n";
return;
}
- $log->info("Created index '$file_index' with commit $lastseenin - exit status $?");
+ $log->info("Created index '$ENV{GIT_INDEX_FILE}' with commit $lastseenin - exit status $?");
# do a checkout of the file
system('git-checkout-index', '-f', '-u', $filename);
@@ -1789,7 +1836,7 @@ sub req_annotate
# git-jsannotate telling us about commits we are hiding
# from the client.
- my $a_hints = "$tmpdir/.annotate_hints";
+ my $a_hints = "$work->{workDir}/.annotate_hints";
if (!open(ANNOTATEHINTS, '>', $a_hints)) {
print "E failed to open '$a_hints' for writing: $!\n";
return;
@@ -1824,8 +1871,7 @@ sub req_annotate
unless ( defined ( $metadata->{$commithash} ) )
{
$metadata->{$commithash} = $updater->getmeta($filename, $commithash);
- $metadata->{$commithash}{author} =~ s/\s+.*//;
- $metadata->{$commithash}{author} =~ s/^(.{8}).*/$1/;
+ $metadata->{$commithash}{author} = cvs_author($metadata->{$commithash}{author});
$metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
}
printf("M 1.%-5d (%-8s %10s): %s\n",
@@ -1844,7 +1890,7 @@ sub req_annotate
}
# done; get out of the tempdir
- chdir "/";
+ cleanupWorkTree();
print "ok\n";
@@ -2005,14 +2051,17 @@ sub revparse
return undef;
}
-# This method takes a file hash and does a CVS "file transfer" which transmits the
-# size of the file, and then the file contents.
-# If a second argument $targetfile is given, the file is instead written out to
-# a file by the name of $targetfile
+# This method takes a file hash and does a CVS "file transfer". Its
+# exact behaviour depends on a second, optional hash table argument:
+# - If $options->{targetfile}, dump the contents to that file;
+# - If $options->{print}, use M/MT to transmit the contents one line
+# at a time;
+# - Otherwise, transmit the size of the file, followed by the file
+# contents.
sub transmitfile
{
my $filehash = shift;
- my $targetfile = shift;
+ my $options = shift;
if ( defined ( $filehash ) and $filehash eq "deleted" )
{
@@ -2034,11 +2083,20 @@ sub transmitfile
if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
{
- if ( defined ( $targetfile ) )
+ if ( defined ( $options->{targetfile} ) )
{
+ my $targetfile = $options->{targetfile};
open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
print NEWFILE $_ while ( <$fh> );
close NEWFILE or die("Failed to write '$targetfile': $!");
+ } elsif ( defined ( $options->{print} ) && $options->{print} ) {
+ while ( <$fh> ) {
+ if( /\n\z/ ) {
+ print 'M ', $_;
+ } else {
+ print 'MT text ', $_, "\n";
+ }
+ }
} else {
print "$size\n";
print while ( <$fh> );
@@ -2085,28 +2143,400 @@ sub filecleanup
return $filename;
}
+sub validateGitDir
+{
+ if( !defined($state->{CVSROOT}) )
+ {
+ print "error 1 CVSROOT not specified\n";
+ cleanupWorkTree();
+ exit;
+ }
+ if( $ENV{GIT_DIR} ne ($state->{CVSROOT} . '/') )
+ {
+ print "error 1 Internally inconsistent CVSROOT\n";
+ cleanupWorkTree();
+ exit;
+ }
+}
+
+# Setup working directory in a work tree with the requested version
+# loaded in the index.
+sub setupWorkTree
+{
+ my ($ver) = @_;
+
+ validateGitDir();
+
+ if( ( defined($work->{state}) && $work->{state} != 1 ) ||
+ defined($work->{tmpDir}) )
+ {
+ $log->warn("Bad work tree state management");
+ print "error 1 Internal setup multiple work trees without cleanup\n";
+ cleanupWorkTree();
+ exit;
+ }
+
+ $work->{workDir} = tempdir ( DIR => $TEMP_DIR );
+
+ if( !defined($work->{index}) )
+ {
+ (undef, $work->{index}) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
+ }
+
+ chdir $work->{workDir} or
+ die "Unable to chdir to $work->{workDir}\n";
+
+ $log->info("Setting up GIT_WORK_TREE as '.' in '$work->{workDir}', index file is '$work->{index}'");
+
+ $ENV{GIT_WORK_TREE} = ".";
+ $ENV{GIT_INDEX_FILE} = $work->{index};
+ $work->{state} = 2;
+
+ if($ver)
+ {
+ system("git","read-tree",$ver);
+ unless ($? == 0)
+ {
+ $log->warn("Error running git-read-tree");
+ die "Error running git-read-tree $ver in $work->{workDir} $!\n";
+ }
+ }
+ # else # req_annotate reads tree for each file
+}
+
+# Ensure current directory is in some kind of working directory,
+# with a recent version loaded in the index.
+sub ensureWorkTree
+{
+ if( defined($work->{tmpDir}) )
+ {
+ $log->warn("Bad work tree state management [ensureWorkTree()]");
+ print "error 1 Internal setup multiple dirs without cleanup\n";
+ cleanupWorkTree();
+ exit;
+ }
+ if( $work->{state} )
+ {
+ return;
+ }
+
+ validateGitDir();
+
+ if( !defined($work->{emptyDir}) )
+ {
+ $work->{emptyDir} = tempdir ( DIR => $TEMP_DIR, OPEN => 0);
+ }
+ chdir $work->{emptyDir} or
+ die "Unable to chdir to $work->{emptyDir}\n";
+
+ my $ver = `git show-ref -s refs/heads/$state->{module}`;
+ chomp $ver;
+ if ($ver !~ /^[0-9a-f]{40}$/)
+ {
+ $log->warn("Error from git show-ref -s refs/head$state->{module}");
+ print "error 1 cannot find the current HEAD of module";
+ cleanupWorkTree();
+ exit;
+ }
+
+ if( !defined($work->{index}) )
+ {
+ (undef, $work->{index}) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
+ }
+
+ $ENV{GIT_WORK_TREE} = ".";
+ $ENV{GIT_INDEX_FILE} = $work->{index};
+ $work->{state} = 1;
+
+ system("git","read-tree",$ver);
+ unless ($? == 0)
+ {
+ die "Error running git-read-tree $ver $!\n";
+ }
+}
+
+# Cleanup working directory that is not needed any longer.
+sub cleanupWorkTree
+{
+ if( ! $work->{state} )
+ {
+ return;
+ }
+
+ chdir "/" or die "Unable to chdir '/'\n";
+
+ if( defined($work->{workDir}) )
+ {
+ rmtree( $work->{workDir} );
+ undef $work->{workDir};
+ }
+ undef $work->{state};
+}
+
+# Setup a temporary directory (not a working tree), typically for
+# merging dirty state as in req_update.
+sub setupTmpDir
+{
+ $work->{tmpDir} = tempdir ( DIR => $TEMP_DIR );
+ chdir $work->{tmpDir} or die "Unable to chdir $work->{tmpDir}\n";
+
+ return $work->{tmpDir};
+}
+
+# Clean up a previously setupTmpDir. Restore previous work tree if
+# appropriate.
+sub cleanupTmpDir
+{
+ if ( !defined($work->{tmpDir}) )
+ {
+ $log->warn("cleanup tmpdir that has not been setup");
+ die "Cleanup tmpDir that has not been setup\n";
+ }
+ if( defined($work->{state}) )
+ {
+ if( $work->{state} == 1 )
+ {
+ chdir $work->{emptyDir} or
+ die "Unable to chdir to $work->{emptyDir}\n";
+ }
+ elsif( $work->{state} == 2 )
+ {
+ chdir $work->{workDir} or
+ die "Unable to chdir to $work->{emptyDir}\n";
+ }
+ else
+ {
+ $log->warn("Inconsistent work dir state");
+ die "Inconsistent work dir state\n";
+ }
+ }
+ else
+ {
+ chdir "/" or die "Unable to chdir '/'\n";
+ }
+}
+
# Given a path, this function returns a string containing the kopts
# that should go into that path's Entries line. For example, a binary
# file should get -kb.
sub kopts_from_path
{
- my ($path) = @_;
+ my ($path, $srcType, $name) = @_;
- # Once it exists, the git attributes system should be used to look up
- # what attributes apply to this path.
+ if ( defined ( $cfg->{gitcvs}{usecrlfattr} ) and
+ $cfg->{gitcvs}{usecrlfattr} =~ /\s*(1|true|yes)\s*$/i )
+ {
+ my ($val) = check_attr( "crlf", $path );
+ if ( $val eq "set" )
+ {
+ return "";
+ }
+ elsif ( $val eq "unset" )
+ {
+ return "-kb"
+ }
+ else
+ {
+ $log->info("Unrecognized check_attr crlf $path : $val");
+ }
+ }
- # Until then, take the setting from the config file
- unless ( defined ( $cfg->{gitcvs}{allbinary} ) and $cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i )
+ if ( defined ( $cfg->{gitcvs}{allbinary} ) )
{
- # Return "" to give no special treatment to any path
- return "";
- } else {
- # Alternatively, to have all files treated as if they are binary (which
- # is more like git itself), always return the "-kb" option
- return "-kb";
+ if( ($cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i) )
+ {
+ return "-kb";
+ }
+ elsif( ($cfg->{gitcvs}{allbinary} =~ /^\s*guess\s*$/i) )
+ {
+ if( $srcType eq "sha1Or-k" &&
+ !defined($name) )
+ {
+ my ($ret)=$state->{entries}{$path}{options};
+ if( !defined($ret) )
+ {
+ $ret=$state->{opt}{k};
+ if(defined($ret))
+ {
+ $ret="-k$ret";
+ }
+ else
+ {
+ $ret="";
+ }
+ }
+ if( ! ($ret=~/^(|-kb|-kkv|-kkvl|-kk|-ko|-kv)$/) )
+ {
+ print "E Bad -k option\n";
+ $log->warn("Bad -k option: $ret");
+ die "Error: Bad -k option: $ret\n";
+ }
+
+ return $ret;
+ }
+ else
+ {
+ if( is_binary($srcType,$name) )
+ {
+ $log->debug("... as binary");
+ return "-kb";
+ }
+ else
+ {
+ $log->debug("... as text");
+ }
+ }
+ }
+ }
+ # Return "" to give no special treatment to any path
+ return "";
+}
+
+sub check_attr
+{
+ my ($attr,$path) = @_;
+ ensureWorkTree();
+ if ( open my $fh, '-|', "git", "check-attr", $attr, "--", $path )
+ {
+ my $val = <$fh>;
+ close $fh;
+ $val =~ s/.*: ([^:\r\n]*)\s*$/$1/;
+ return $val;
+ }
+ else
+ {
+ return undef;
}
}
+# This should have the same heuristics as convert.c:is_binary() and related.
+# Note that the bare CR test is done by callers in convert.c.
+sub is_binary
+{
+ my ($srcType,$name) = @_;
+ $log->debug("is_binary($srcType,$name)");
+
+ # Minimize amount of interpreted code run in the inner per-character
+ # loop for large files, by totalling each character value and
+ # then analyzing the totals.
+ my @counts;
+ my $i;
+ for($i=0;$i<256;$i++)
+ {
+ $counts[$i]=0;
+ }
+
+ my $fh = open_blob_or_die($srcType,$name);
+ my $line;
+ while( defined($line=<$fh>) )
+ {
+ # Any '\0' and bare CR are considered binary.
+ if( $line =~ /\0|(\r[^\n])/ )
+ {
+ close($fh);
+ return 1;
+ }
+
+ # Count up each character in the line:
+ my $len=length($line);
+ for($i=0;$i<$len;$i++)
+ {
+ $counts[ord(substr($line,$i,1))]++;
+ }
+ }
+ close $fh;
+
+ # Don't count CR and LF as either printable/nonprintable
+ $counts[ord("\n")]=0;
+ $counts[ord("\r")]=0;
+
+ # Categorize individual character count into printable and nonprintable:
+ my $printable=0;
+ my $nonprintable=0;
+ for($i=0;$i<256;$i++)
+ {
+ if( $i < 32 &&
+ $i != ord("\b") &&
+ $i != ord("\t") &&
+ $i != 033 && # ESC
+ $i != 014 ) # FF
+ {
+ $nonprintable+=$counts[$i];
+ }
+ elsif( $i==127 ) # DEL
+ {
+ $nonprintable+=$counts[$i];
+ }
+ else
+ {
+ $printable+=$counts[$i];
+ }
+ }
+
+ return ($printable >> 7) < $nonprintable;
+}
+
+# Returns open file handle. Possible invocations:
+# - open_blob_or_die("file",$filename);
+# - open_blob_or_die("sha1",$filehash);
+sub open_blob_or_die
+{
+ my ($srcType,$name) = @_;
+ my ($fh);
+ if( $srcType eq "file" )
+ {
+ if( !open $fh,"<",$name )
+ {
+ $log->warn("Unable to open file $name: $!");
+ die "Unable to open file $name: $!\n";
+ }
+ }
+ elsif( $srcType eq "sha1" || $srcType eq "sha1Or-k" )
+ {
+ unless ( defined ( $name ) and $name =~ /^[a-zA-Z0-9]{40}$/ )
+ {
+ $log->warn("Need filehash");
+ die "Need filehash\n";
+ }
+
+ my $type = `git cat-file -t $name`;
+ chomp $type;
+
+ unless ( defined ( $type ) and $type eq "blob" )
+ {
+ $log->warn("Invalid type '$type' for '$name'");
+ die ( "Invalid type '$type' (expected 'blob')" )
+ }
+
+ my $size = `git cat-file -s $name`;
+ chomp $size;
+
+ $log->debug("open_blob_or_die($name) size=$size, type=$type");
+
+ unless( open $fh, '-|', "git", "cat-file", "blob", $name )
+ {
+ $log->warn("Unable to open sha1 $name");
+ die "Unable to open sha1 $name\n";
+ }
+ }
+ else
+ {
+ $log->warn("Unknown type of blob source: $srcType");
+ die "Unknown type of blob source: $srcType\n";
+ }
+ return $fh;
+}
+
+# Generate a CVS author name from Git author information, by taking
+# the first eight characters of the user part of the email address.
+sub cvs_author
+{
+ my $author_line = shift;
+ (my $author) = $author_line =~ /<([^>@]{1,8})/;
+
+ $author;
+}
+
package GITCVS::log;
####
@@ -2311,6 +2741,14 @@ sub new
bless $self, $class;
+ $self->{valid_tables} = {'revision' => 1,
+ 'revision_ix1' => 1,
+ 'revision_ix2' => 1,
+ 'head' => 1,
+ 'head_ix1' => 1,
+ 'properties' => 1,
+ 'commitmsgs' => 1};
+
$self->{module} = $module;
$self->{git_path} = $config . "/";
@@ -2326,6 +2764,8 @@ sub new
$cfg->{gitcvs}{dbuser} || "";
$self->{dbpass} = $cfg->{gitcvs}{$state->{method}}{dbpass} ||
$cfg->{gitcvs}{dbpass} || "";
+ $self->{dbtablenameprefix} = $cfg->{gitcvs}{$state->{method}}{dbtablenameprefix} ||
+ $cfg->{gitcvs}{dbtablenameprefix} || "";
my %mapping = ( m => $module,
a => $state->{method},
u => getlogin || getpwuid($<) || $<,
@@ -2334,6 +2774,8 @@ sub new
);
$self->{dbname} =~ s/%([mauGg])/$mapping{$1}/eg;
$self->{dbuser} =~ s/%([mauGg])/$mapping{$1}/eg;
+ $self->{dbtablenameprefix} =~ s/%([mauGg])/$mapping{$1}/eg;
+ $self->{dbtablenameprefix} = mangle_tablename($self->{dbtablenameprefix});
die "Invalid char ':' in dbdriver" if $self->{dbdriver} =~ /:/;
die "Invalid char ';' in dbname" if $self->{dbname} =~ /;/;
@@ -2349,10 +2791,13 @@ sub new
}
# Construct the revision table if required
- unless ( $self->{tables}{revision} )
+ unless ( $self->{tables}{$self->tablename("revision")} )
{
+ my $tablename = $self->tablename("revision");
+ my $ix1name = $self->tablename("revision_ix1");
+ my $ix2name = $self->tablename("revision_ix2");
$self->{dbh}->do("
- CREATE TABLE revision (
+ CREATE TABLE $tablename (
name TEXT NOT NULL,
revision INTEGER NOT NULL,
filehash TEXT NOT NULL,
@@ -2363,20 +2808,22 @@ sub new
)
");
$self->{dbh}->do("
- CREATE INDEX revision_ix1
- ON revision (name,revision)
+ CREATE INDEX $ix1name
+ ON $tablename (name,revision)
");
$self->{dbh}->do("
- CREATE INDEX revision_ix2
- ON revision (name,commithash)
+ CREATE INDEX $ix2name
+ ON $tablename (name,commithash)
");
}
# Construct the head table if required
- unless ( $self->{tables}{head} )
+ unless ( $self->{tables}{$self->tablename("head")} )
{
+ my $tablename = $self->tablename("head");
+ my $ix1name = $self->tablename("head_ix1");
$self->{dbh}->do("
- CREATE TABLE head (
+ CREATE TABLE $tablename (
name TEXT NOT NULL,
revision INTEGER NOT NULL,
filehash TEXT NOT NULL,
@@ -2387,16 +2834,17 @@ sub new
)
");
$self->{dbh}->do("
- CREATE INDEX head_ix1
- ON head (name)
+ CREATE INDEX $ix1name
+ ON $tablename (name)
");
}
# Construct the properties table if required
- unless ( $self->{tables}{properties} )
+ unless ( $self->{tables}{$self->tablename("properties")} )
{
+ my $tablename = $self->tablename("properties");
$self->{dbh}->do("
- CREATE TABLE properties (
+ CREATE TABLE $tablename (
key TEXT NOT NULL PRIMARY KEY,
value TEXT
)
@@ -2404,10 +2852,11 @@ sub new
}
# Construct the commitmsgs table if required
- unless ( $self->{tables}{commitmsgs} )
+ unless ( $self->{tables}{$self->tablename("commitmsgs")} )
{
+ my $tablename = $self->tablename("commitmsgs");
$self->{dbh}->do("
- CREATE TABLE commitmsgs (
+ CREATE TABLE $tablename (
key TEXT NOT NULL PRIMARY KEY,
value TEXT
)
@@ -2417,6 +2866,21 @@ sub new
return $self;
}
+=head2 tablename
+
+=cut
+sub tablename
+{
+ my $self = shift;
+ my $name = shift;
+
+ if (exists $self->{valid_tables}{$name}) {
+ return $self->{dbtablenameprefix} . $name;
+ } else {
+ return undef;
+ }
+}
+
=head2 update
=cut
@@ -2543,13 +3007,20 @@ sub update
if ($parent eq $lastpicked) {
next;
}
- my $base = safe_pipe_capture('git-merge-base',
+ my $base = eval {
+ safe_pipe_capture('git-merge-base',
$lastpicked, $parent);
+ };
+ # The two branches may not be related at all,
+ # in which case merge base simply fails to find
+ # any, but that's Ok.
+ next if ($@);
+
chomp $base;
if ($base) {
my @merged;
# print "want to log between $base $parent \n";
- open(GITLOG, '-|', 'git-log', "$base..$parent")
+ open(GITLOG, '-|', 'git-log', '--pretty=medium', "$base..$parent")
or die "Cannot call git-log: $!";
my $mergedhash;
while (<GITLOG>) {
@@ -2626,7 +3097,7 @@ sub update
};
$self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
}
- elsif ( $change eq "M" )
+ elsif ( $change eq "M" || $change eq "T" )
{
#$log->debug("MODIFIED $name");
$head->{$name} = {
@@ -2775,8 +3246,9 @@ sub insert_rev
my $modified = shift;
my $author = shift;
my $mode = shift;
+ my $tablename = $self->tablename("revision");
- my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO revision (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
+ my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO $tablename (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
$insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
}
@@ -2785,16 +3257,18 @@ sub insert_mergelog
my $self = shift;
my $key = shift;
my $value = shift;
+ my $tablename = $self->tablename("commitmsgs");
- my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO commitmsgs (key, value) VALUES (?,?)",{},1);
+ my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO $tablename (key, value) VALUES (?,?)",{},1);
$insert_mergelog->execute($key, $value);
}
sub delete_head
{
my $self = shift;
+ my $tablename = $self->tablename("head");
- my $delete_head = $self->{dbh}->prepare_cached("DELETE FROM head",{},1);
+ my $delete_head = $self->{dbh}->prepare_cached("DELETE FROM $tablename",{},1);
$delete_head->execute();
}
@@ -2808,8 +3282,9 @@ sub insert_head
my $modified = shift;
my $author = shift;
my $mode = shift;
+ my $tablename = $self->tablename("head");
- my $insert_head = $self->{dbh}->prepare_cached("INSERT INTO head (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
+ my $insert_head = $self->{dbh}->prepare_cached("INSERT INTO $tablename (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
$insert_head->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
}
@@ -2817,8 +3292,9 @@ sub _headrev
{
my $self = shift;
my $filename = shift;
+ my $tablename = $self->tablename("head");
- my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM head WHERE name=?",{},1);
+ my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM $tablename WHERE name=?",{},1);
$db_query->execute($filename);
my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
@@ -2829,8 +3305,9 @@ sub _get_prop
{
my $self = shift;
my $key = shift;
+ my $tablename = $self->tablename("properties");
- my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM properties WHERE key=?",{},1);
+ my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM $tablename WHERE key=?",{},1);
$db_query->execute($key);
my ( $value ) = $db_query->fetchrow_array;
@@ -2842,13 +3319,14 @@ sub _set_prop
my $self = shift;
my $key = shift;
my $value = shift;
+ my $tablename = $self->tablename("properties");
- my $db_query = $self->{dbh}->prepare_cached("UPDATE properties SET value=? WHERE key=?",{},1);
+ my $db_query = $self->{dbh}->prepare_cached("UPDATE $tablename SET value=? WHERE key=?",{},1);
$db_query->execute($value, $key);
unless ( $db_query->rows )
{
- $db_query = $self->{dbh}->prepare_cached("INSERT INTO properties (key, value) VALUES (?,?)",{},1);
+ $db_query = $self->{dbh}->prepare_cached("INSERT INTO $tablename (key, value) VALUES (?,?)",{},1);
$db_query->execute($key, $value);
}
@@ -2862,10 +3340,11 @@ sub _set_prop
sub gethead
{
my $self = shift;
+ my $tablename = $self->tablename("head");
return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
- my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM head ORDER BY name ASC",{},1);
+ my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM $tablename ORDER BY name ASC",{},1);
$db_query->execute();
my $tree = [];
@@ -2887,8 +3366,9 @@ sub getlog
{
my $self = shift;
my $filename = shift;
+ my $tablename = $self->tablename("revision");
- my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
+ my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM $tablename WHERE name=? ORDER BY revision DESC",{},1);
$db_query->execute($filename);
my $tree = [];
@@ -2912,19 +3392,21 @@ sub getmeta
my $self = shift;
my $filename = shift;
my $revision = shift;
+ my $tablename_rev = $self->tablename("revision");
+ my $tablename_head = $self->tablename("head");
my $db_query;
if ( defined($revision) and $revision =~ /^\d+$/ )
{
- $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND revision=?",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_rev WHERE name=? AND revision=?",{},1);
$db_query->execute($filename, $revision);
}
elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
{
- $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND commithash=?",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_rev WHERE name=? AND commithash=?",{},1);
$db_query->execute($filename, $revision);
} else {
- $db_query = $self->{dbh}->prepare_cached("SELECT * FROM head WHERE name=?",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_head WHERE name=?",{},1);
$db_query->execute($filename);
}
@@ -2940,11 +3422,12 @@ sub commitmessage
{
my $self = shift;
my $commithash = shift;
+ my $tablename = $self->tablename("commitmsgs");
die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
my $db_query;
- $db_query = $self->{dbh}->prepare_cached("SELECT value FROM commitmsgs WHERE key=?",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT value FROM $tablename WHERE key=?",{},1);
$db_query->execute($commithash);
my ( $message ) = $db_query->fetchrow_array;
@@ -2972,9 +3455,10 @@ sub gethistory
{
my $self = shift;
my $filename = shift;
+ my $tablename = $self->tablename("revision");
my $db_query;
- $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? ORDER BY revision DESC",{},1);
$db_query->execute($filename);
return $db_query->fetchall_arrayref;
@@ -2994,9 +3478,10 @@ sub gethistorydense
{
my $self = shift;
my $filename = shift;
+ my $tablename = $self->tablename("revision");
my $db_query;
- $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
$db_query->execute($filename);
return $db_query->fetchall_arrayref;
@@ -3054,4 +3539,19 @@ sub mangle_dirname {
return $dirname;
}
+=head2 mangle_tablename
+
+create a string from a that is suitable to use as part of an SQL table
+name, mainly by converting all chars except \w to _
+
+=cut
+sub mangle_tablename {
+ my $tablename = shift;
+ return unless defined $tablename;
+
+ $tablename =~ s/[^\w_]/_/g;
+
+ return $tablename;
+}
+
1;
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