return 0;
}
- my @gitvars = `git config -l`;
+ my @gitvars = safe_pipe_capture(qw(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";
# 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}.$data}{modified_hash} = safe_pipe_capture('git','hash-object',$filename);
$state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
#$log->debug("req_Modified : file=$data mode=$mode size=$size");
# Provide list of modules, if -c was used.
if (exists $state->{opt}{c}) {
- my $showref = `git show-ref --heads`;
+ my $showref = safe_pipe_capture(qw(git show-ref --heads));
for my $line (split '\n', $showref) {
if ( $line =~ m% refs/heads/(.*)$% ) {
print "M $1\t$1\n";
# projects (heads in this case) to checkout.
#
if ($state->{module} eq '') {
- my $showref = `git show-ref --heads`;
+ my $showref = safe_pipe_capture(qw(git show-ref --heads));
print "E cvs update: Updating .\n";
for my $line (split '\n', $showref) {
if ( $line =~ m% refs/heads/(.*)$% ) {
# 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 $mergedFile`;
+ my $data = safe_pipe_capture('cat', $mergedFile);
$log->debug("File size : " . length($data));
print length($data) . "\n";
print $data;
$branchRef = "refs/heads/$stickyInfo->{tag}";
}
- $parenthash = `git show-ref -s $branchRef`;
+ $parenthash = safe_pipe_capture('git', 'show-ref', '-s', $branchRef);
chomp $parenthash;
if ($parenthash !~ /^[0-9a-f]{40}$/)
{
return;
}
- my $treehash = `git write-tree`;
+ my $treehash = safe_pipe_capture(qw(git write-tree));
chomp $treehash;
$log->debug("Treehash : $treehash, Parenthash : $parenthash");
}
close $msg_fh;
- my $commithash = `git commit-tree $treehash -p $parenthash < $msg_filename`;
+ my $commithash = safe_pipe_capture('git', 'commit-tree', $treehash, '-p', $parenthash, '-F', $msg_filename);
chomp($commithash);
$log->info("Commit hash : $commithash");
die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
- my $type = `git cat-file -t $filehash`;
+ my $type = safe_pipe_capture('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 = safe_pipe_capture('git', 'cat-file', '-s', $filehash);
chomp $size;
$log->debug("transmitfile($filehash) size=$size, type=$type");
chdir $work->{emptyDir} or
die "Unable to chdir to $work->{emptyDir}\n";
- my $ver = `git show-ref -s refs/heads/$state->{module}`;
+ my $ver = safe_pipe_capture('git', 'show-ref', '-s', "refs/heads/$state->{module}");
chomp $ver;
if ($ver !~ /^[0-9a-f]{40}$/)
{
die "Need filehash\n";
}
- my $type = `git cat-file -t $name`;
+ my $type = safe_pipe_capture('git', 'cat-file', '-t', $name);
chomp $type;
unless ( defined ( $type ) and $type eq "blob" )
die ( "Invalid type '$type' (expected 'blob')" )
}
- my $size = `git cat-file -s $name`;
+ my $size = safe_pipe_capture('git', 'cat-file', '-s', $name);
chomp $size;
$log->debug("open_blob_or_die($name) size=$size, type=$type");
return $out;
}
+# an alternative to `command` that allows input to be passed as an array
+# to work around shell problems with weird characters in arguments
+
+sub safe_pipe_capture {
+
+ my @output;
+
+ if (my $pid = open my $child, '-|') {
+ @output = (<$child>);
+ close $child or die join(' ',@_).": $! $?";
+ } else {
+ exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
+ }
+ return wantarray ? @output : join('',@output);
+}
+
package GITCVS::log;
# first lets get the commit list
$ENV{GIT_DIR} = $self->{git_path};
- my $commitsha1 = `git rev-parse $self->{module}`;
+ my $commitsha1 = ::safe_pipe_capture('git', 'rev-parse', $self->{module});
chomp $commitsha1;
- my $commitinfo = `git cat-file commit $self->{module} 2>&1`;
+ my $commitinfo = ::safe_pipe_capture('git', 'cat-file', 'commit', $self->{module});
unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
{
die("Invalid module '$self->{module}'");
# several candidate merge bases. let's assume
# that the first one is the best one.
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,
return $retVal;
}
- my($fileHash)=safe_pipe_capture("git","rev-parse","$revCommit:$filename");
+ my($fileHash) = ::safe_pipe_capture("git","rev-parse","$revCommit:$filename");
chomp $fileHash;
if(!($fileHash=~/^[0-9a-f]{40}$/))
{
return $commitHash;
}
- $commitHash=safe_pipe_capture("git","rev-parse","--verify","--quiet",
- $self->unescapeRefName($ref));
+ $commitHash = ::safe_pipe_capture("git","rev-parse","--verify","--quiet",
+ $self->unescapeRefName($ref));
$commitHash=~s/\s*$//;
if(!($commitHash=~/^[0-9a-f]{40}$/))
{
if( defined($commitHash) )
{
- my $type=safe_pipe_capture("git","cat-file","-t",$commitHash);
+ my $type = ::safe_pipe_capture("git","cat-file","-t",$commitHash);
if( ! ($type=~/^commit\s*$/ ) )
{
$commitHash=undef;
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 ( $message =~ /\n$/ );
return $retval;
}
-=head2 safe_pipe_capture
-
-an alternative to `command` that allows input to be passed as an array
-to work around shell problems with weird characters in arguments
-
-=cut
-sub safe_pipe_capture {
-
- my @output;
-
- if (my $pid = open my $child, '-|') {
- @output = (<$child>);
- close $child or die join(' ',@_).": $! $?";
- } else {
- exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
- }
- return wantarray ? @output : join('',@output);
-}
-
=head2 mangle_dirname
create a string from a directory name that is suitable to use as
projects / thirdparty / git.git / blobdiff