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);
'history' => \&req_CATCHALL,
'watchers' => \&req_EMPTY,
'editors' => \&req_EMPTY,
+ 'noop' => \&req_EMPTY,
'annotate' => \&req_annotate,
'Global_option' => \&req_Globaloption,
#'annotate' => \&req_CATCHALL,
# $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".
+ " Can be read from GIT_CVSSERVER_BASE_PATH\n".
" --strict-paths : Don't allow recursing into subdirectories\n".
" --export-all : Don't check for gitcvs.enabled in config\n".
" --version, -V : Print version information and exit\n".
"\n".
"<directory> ... is a list of allowed directories. If no directories\n".
"are given, all are allowed. This is an additional restriction, gitcvs\n".
- "access still needs to be enabled by the gitcvs.enabled config option.\n";
+ "access still needs to be enabled by the gitcvs.enabled config option.\n".
+ "Alternately, one directory may be specified in GIT_CVSSERVER_ROOT.\n";
my @opts = ( 'help|h|H', 'version|V',
'base-path=s', 'strict-paths', 'export-all' );
die "--export-all can only be used together with an explicit whitelist\n";
}
+# Environment handling for running under git-shell
+if (exists $ENV{GIT_CVSSERVER_BASE_PATH}) {
+ if ($state->{'base-path'}) {
+ die "Cannot specify base path both ways.\n";
+ }
+ my $base_path = $ENV{GIT_CVSSERVER_BASE_PATH};
+ $state->{'base-path'} = $base_path;
+ $log->debug("Picked up base path '$base_path' from environment.\n");
+}
+if (exists $ENV{GIT_CVSSERVER_ROOT}) {
+ if (@{$state->{allowed_roots}}) {
+ die "Cannot specify roots both ways: @ARGV\n";
+ }
+ my $allowed_root = $ENV{GIT_CVSSERVER_ROOT};
+ $state->{allowed_roots} = [ $allowed_root ];
+ $log->debug("Picked up allowed root '$allowed_root' from environment.\n");
+}
+
# if we are called with a pserver argument,
# deal with the authentication cat before entering the
# main loop
$log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
$log->info("--------------- FINISH -----------------");
+chdir '/';
+exit 0;
+
# Magic catchall method.
# This is the method that will handle all commands we haven't yet
# implemented. It simply sends a warning to the log file indicating a
return 0;
}
- my @gitvars = `git-config -l`;
+ my @gitvars = `git config -l`;
if ($?) {
print "E problems executing git-config on the server -- this is not a git repository or the PATH is not set correctly.\n";
print "E \n";
$state->{localdir} = $data;
$state->{repository} = $repository;
$state->{path} = $repository;
- $state->{path} =~ s/^$state->{CVSROOT}\///;
+ $state->{path} =~ s/^\Q$state->{CVSROOT}\E\///;
$state->{module} = $1 if ($state->{path} =~ s/^(.*?)(\/|$)//);
$state->{path} .= "/" if ( $state->{path} =~ /\S/ );
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
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++;
}
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++;
# Save the file data in $state
$state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
$state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
- $state->{entries}{$state->{directory}.$data}{modified_hash} = `git-hash-object $filename`;
+ $state->{entries}{$state->{directory}.$data}{modified_hash} = `git hash-object $filename`;
$state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
#$log->debug("req_Modified : file=$data mode=$mode size=$size");
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
# 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 './'
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=$git->{mode}\n";
# projects (heads in this case) to checkout.
#
if ($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 `$1'\n";
+ }
+ }
+ print "ok\n";
+ return 1;
}
#$log->debug("update state : " . Dumper($state));
+ my $last_dirname = "///";
+
# foreach file specified on the command line ...
foreach my $filename ( @{$state->{args}} )
{
$log->debug("Processing file $filename");
+ unless ( $state->{globaloptions}{-Q} || $state->{globaloptions}{-q} )
+ {
+ my $cur_dirname = dirname($filename);
+ if ( $cur_dirname ne $last_dirname )
+ {
+ $last_dirname = $cur_dirname;
+ if ( $cur_dirname eq "" )
+ {
+ $cur_dirname = ".";
+ }
+ print "E cvs update: Updating $cur_dirname\n";
+ }
+ }
+
# if we have a -C we should pretend we never saw modified stuff
if ( exists ( $state->{opt}{C} ) )
{
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";
$log->info("Updating '$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}, { targetfile => $file_old });
$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");
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";
}
{
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";
}
}
# 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 "/";
}
}
if ( $state->{method} eq 'pserver')
{
print "error 1 pserver access cannot commit\n";
+ cleanupWorkTree();
exit;
}
{
$log->warn("file 'index' already exists in the git repository");
print "error 1 Index already exists in git repo\n";
+ cleanupWorkTree();
exit;
}
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 $?");
my @committedfiles = ();
my %oldmeta;
# do a checkout of the file if it is part of this tree
if ($wrev) {
- system('git-checkout-index', '-f', '-u', $filename);
+ system('git', 'checkout-index', '-f', '-u', $filename);
unless ($? == 0) {
die "Error running git-checkout-index -f -u $filename : $!";
}
{
# fail everything if an up to date check fails
print "error 1 Up to date check failed for $filename\n";
- chdir "/";
+ cleanupWorkTree();
exit;
}
{
$log->info("Removing file '$filename'");
unlink($filename);
- system("git-update-index", "--remove", $filename);
+ system("git", "update-index", "--remove", $filename);
}
elsif ( $addflag )
{
$log->info("Adding file '$filename'");
- system("git-update-index", "--add", $filename);
+ system("git", "update-index", "--add", $filename);
} else {
$log->info("Updating file '$filename'");
- system("git-update-index", $filename);
+ system("git", "update-index", $filename);
}
}
{
print "E No files to commit\n";
print "ok\n";
- chdir "/";
+ cleanupWorkTree();
return;
}
- my $treehash = `git-write-tree`;
+ my $treehash = `git write-tree`;
chomp $treehash;
$log->debug("Treehash : $treehash, Parenthash : $parenthash");
# write our commit message out if we have one ...
my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
- print $msg_fh "\n\nvia git-CVS emulator\n";
+ if ( defined ( $cfg->{gitcvs}{commitmsgannotation} ) ) {
+ if ($cfg->{gitcvs}{commitmsgannotation} !~ /^\s*$/ ) {
+ print $msg_fh "\n\n".$cfg->{gitcvs}{commitmsgannotation}."\n"
+ }
+ } else {
+ print $msg_fh "\n\nvia git-CVS emulator\n";
+ }
close $msg_fh;
- my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`;
+ my $commithash = `git commit-tree $treehash -p $parenthash < $msg_filename`;
chomp($commithash);
$log->info("Commit hash : $commithash");
{
$log->warn("Commit failed (Invalid commit hash)");
print "error 1 Commit failed (unknown reason)\n";
- chdir "/";
+ cleanupWorkTree();
exit;
}
{
$log->warn("Commit failed (update hook declined to update ref)");
print "error 1 Commit failed (update hook declined)\n";
- chdir "/";
+ cleanupWorkTree();
exit;
}
}
"refs/heads/$state->{module}", $commithash, $parenthash)) {
$log->warn("update-ref for $state->{module} failed.");
print "error 1 Cannot commit -- update first\n";
+ cleanupWorkTree();
exit;
}
close $pipe || die "bad pipe: $! $?";
}
+ $updater->update();
+
### Then hooks/post-update
$hook = $ENV{GIT_DIR}.'hooks/post-update';
if (-x $hook) {
system($hook, "refs/heads/$state->{module}");
}
- $updater->update();
-
# foreach file specified on the command line ...
foreach my $filename ( @committedfiles )
{
}
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";
}
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'");
+ setupWorkTree();
- $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
- $ENV{GIT_WORK_TREE} = ".";
- $ENV{GIT_INDEX_FILE} = $file_index;
-
- 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}} )
# TODO: if we got a revision from the client, use that instead
# to look up the commithash in sqlite (still good to default to
# the current head as we do now)
- system("git-read-tree", $lastseenin);
+ 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);
+ system('git', 'checkout-index', '-f', '-u', $filename);
unless ($? == 0) {
print "E error running git-checkout-index -f -u $filename : $!\n";
return;
# 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;
close ANNOTATEHINTS
or (print "E failed to write $a_hints: $!\n"), return;
- my @cmd = (qw(git-annotate -l -S), $a_hints, $filename);
+ my @cmd = (qw(git annotate -l -S), $a_hints, $filename);
if (!open(ANNOTATE, "-|", @cmd)) {
print "E error invoking ". join(' ',@cmd) .": $!\n";
return;
}
# done; get out of the tempdir
- chdir "/";
+ cleanupWorkTree();
print "ok\n";
die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
- my $type = `git-cat-file -t $filehash`;
+ my $type = `git cat-file -t $filehash`;
chomp $type;
die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
- my $size = `git-cat-file -s $filehash`;
+ my $size = `git cat-file -s $filehash`;
chomp $size;
$log->debug("transmitfile($filehash) size=$size, type=$type");
- if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
+ if ( open my $fh, '-|', "git", "cat-file", "blob", $filehash )
{
if ( defined ( $options->{targetfile} ) )
{
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
+ {
+ $log->debug("... as text");
+ }
+ }
+ }
}
+ # Return "" to give no special treatment to any path
+ return "";
}
-# Generate a CVS author name from Git author information, by taking
-# the first eight characters of the user part of the email address.
+sub check_attr
+{
+ my ($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 local
+# part of the email address and replacing characters not in the Portable
+# Filename Character Set (see IEEE Std 1003.1-2001, 3.276) by underscores. CVS
+# Login names are Unix login names, which should be restricted to this
+# character set.
sub cvs_author
{
my $author_line = shift;
- (my $author) = $author_line =~ /<([^>@]{1,8})/;
+ (my $author) = $author_line =~ /<([^@>]*)/;
+
+ $author =~ s/[^-a-zA-Z0-9_.]/_/g;
+ $author =~ s/^-/_/;
$author;
}
push @git_log_params, $self->{module};
}
# git-rev-list is the backend / plumbing version of git-log
- open(GITLOG, '-|', 'git-rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
+ open(GITLOG, '-|', 'git', 'rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
my @commits;
next;
}
my $base = eval {
- safe_pipe_capture('git-merge-base',
+ safe_pipe_capture('git', 'merge-base',
$lastpicked, $parent);
};
# The two branches may not be related at all,
if ($base) {
my @merged;
# print "want to log between $base $parent \n";
- open(GITLOG, '-|', 'git-log', '--pretty=medium', "$base..$parent")
+ open(GITLOG, '-|', 'git', 'log', '--pretty=medium', "$base..$parent")
or die "Cannot call git-log: $!";
my $mergedhash;
while (<GITLOG>) {
if ( defined ( $lastpicked ) )
{
- my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
+ my $filepipe = open(FILELIST, '-|', 'git', 'diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
local ($/) = "\0";
while ( <FILELIST> )
{
# this is used to detect files removed from the repo
my $seen_files = {};
- my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
+ my $filepipe = open(FILELIST, '-|', 'git', 'ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
local $/ = "\0";
while ( <FILELIST> )
{
return $message;
}
- my @lines = safe_pipe_capture("git-cat-file", "commit", $commithash);
+ my @lines = safe_pipe_capture("git", "cat-file", "commit", $commithash);
shift @lines while ( $lines[0] =~ /\S/ );
$message = join("",@lines);
$message .= " " if ( $message =~ /\n$/ );