package Git;
+use 5.008;
use strict;
@EXPORT_OK = qw(command command_oneline command_noisy
command_output_pipe command_input_pipe command_close_pipe
command_bidi_pipe command_close_bidi_pipe
- version exec_path hash_object git_cmd_try
+ version exec_path html_path hash_object git_cmd_try
remote_refs
- temp_acquire temp_release temp_reset);
+ temp_acquire temp_release temp_reset temp_path);
=head1 DESCRIPTION
use Carp qw(carp croak); # but croak is bad - throw instead
use Error qw(:try);
-use Cwd qw(abs_path);
+use Cwd qw(abs_path cwd);
use IPC::Open2 qw(open2);
use Fcntl qw(SEEK_SET SEEK_CUR);
}
}
}
- if (not defined $opts{Repository} and not defined $opts{WorkingCopy}) {
- $opts{Directory} ||= '.';
+ if (not defined $opts{Repository} and not defined $opts{WorkingCopy}
+ and not defined $opts{Directory}) {
+ $opts{Directory} = '.';
}
- if ($opts{Directory}) {
- -d $opts{Directory} or throw Error::Simple("Directory not found: $!");
+ if (defined $opts{Directory}) {
+ -d $opts{Directory} or throw Error::Simple("Directory not found: $opts{Directory} $!");
my $search = Git->repository(WorkingCopy => $opts{Directory});
my $dir;
if ($dir) {
$dir =~ m#^/# or $dir = $opts{Directory} . '/' . $dir;
- $opts{Repository} = $dir;
+ $opts{Repository} = abs_path($dir);
# If --git-dir went ok, this shouldn't die either.
my $prefix = $search->command_oneline('rev-parse', '--show-prefix');
$dir = $opts{Directory};
unless (-d "$dir/refs" and -d "$dir/objects" and -e "$dir/HEAD") {
- # Mimick git-rev-parse --git-dir error message:
- throw Error::Simple('fatal: Not a git repository');
+ # Mimic git-rev-parse --git-dir error message:
+ throw Error::Simple("fatal: Not a git repository: $dir");
}
my $search = Git->repository(Repository => $dir);
try {
$search->command('symbolic-ref', 'HEAD');
} catch Git::Error::Command with {
- # Mimick git-rev-parse --git-dir error message:
- throw Error::Simple('fatal: Not a git repository');
+ # Mimic git-rev-parse --git-dir error message:
+ throw Error::Simple("fatal: Not a git repository: $dir");
}
$opts{Repository} = abs_path($dir);
sub command_bidi_pipe {
my ($pid, $in, $out);
+ my ($self) = _maybe_self(@_);
+ local %ENV = %ENV;
+ my $cwd_save = undef;
+ if ($self) {
+ shift;
+ $cwd_save = cwd();
+ _setup_git_cmd_env($self);
+ }
$pid = open2($in, $out, 'git', @_);
+ chdir($cwd_save) if $cwd_save;
return ($pid, $in, $out, join(' ', @_));
}
sub exec_path { command_oneline('--exec-path') }
+=item html_path ()
+
+Return path to the Git html documentation (the same as
+C<git --html-path>). Useful mostly only internally.
+
+=cut
+
+sub html_path { command_oneline('--html-path') }
+
+
=item repo_path ()
Return path to the git repository. Must be called on a repository instance.
or throw Error::Simple("bare repository");
-d $self->wc_path().'/'.$subdir
- or throw Error::Simple("subdir not found: $!");
+ or throw Error::Simple("subdir not found: $subdir $!");
# Of course we will not "hold" the subdirectory so anyone
# can delete it now and we will never know. But at least we tried.
($self->{hash_object_pid}, $self->{hash_object_in},
$self->{hash_object_out}, $self->{hash_object_ctx}) =
- command_bidi_pipe(qw(hash-object -w --stdin-paths));
+ $self->command_bidi_pipe(qw(hash-object -w --stdin-paths --no-filters));
}
sub _close_hash_and_insert_object {
($self->{cat_blob_pid}, $self->{cat_blob_in},
$self->{cat_blob_out}, $self->{cat_blob_ctx}) =
- command_bidi_pipe(qw(cat-file --batch));
+ $self->command_bidi_pipe(qw(cat-file --batch));
}
sub _close_cat_blob {
{ # %TEMP_* Lexical Context
-my (%TEMP_LOCKS, %TEMP_FILES);
+my (%TEMP_FILEMAP, %TEMP_FILES);
=item temp_acquire ( NAME )
=cut
sub temp_acquire {
- my ($self, $name) = _maybe_self(@_);
-
- my $temp_fd = _temp_cache($name);
+ my $temp_fd = _temp_cache(@_);
- $TEMP_LOCKS{$temp_fd} = 1;
+ $TEMP_FILES{$temp_fd}{locked} = 1;
$temp_fd;
}
sub temp_release {
my ($self, $temp_fd, $trunc) = _maybe_self(@_);
- if (ref($temp_fd) ne 'File::Temp') {
+ if (exists $TEMP_FILEMAP{$temp_fd}) {
$temp_fd = $TEMP_FILES{$temp_fd};
}
- unless ($TEMP_LOCKS{$temp_fd}) {
+ unless ($TEMP_FILES{$temp_fd}{locked}) {
carp "Attempt to release temp file '",
$temp_fd, "' that has not been locked";
}
temp_reset($temp_fd) if $trunc and $temp_fd->opened;
- $TEMP_LOCKS{$temp_fd} = 0;
+ $TEMP_FILES{$temp_fd}{locked} = 0;
undef;
}
sub _temp_cache {
- my ($name) = @_;
+ my ($self, $name) = _maybe_self(@_);
_verify_require();
- my $temp_fd = \$TEMP_FILES{$name};
+ my $temp_fd = \$TEMP_FILEMAP{$name};
if (defined $$temp_fd and $$temp_fd->opened) {
- if ($TEMP_LOCKS{$$temp_fd}) {
- throw Error::Simple("Temp file with moniker '",
- $name, "' already in use");
+ if ($TEMP_FILES{$$temp_fd}{locked}) {
+ throw Error::Simple("Temp file with moniker '" .
+ $name . "' already in use");
}
} else {
if (defined $$temp_fd) {
carp "Temp file '", $name,
"' was closed. Opening replacement.";
}
- $$temp_fd = File::Temp->new(
- TEMPLATE => 'Git_XXXXXX',
- DIR => File::Spec->tmpdir
+ my $fname;
+
+ my $tmpdir;
+ if (defined $self) {
+ $tmpdir = $self->repo_path();
+ }
+
+ ($$temp_fd, $fname) = File::Temp->tempfile(
+ 'Git_XXXXXX', UNLINK => 1, DIR => $tmpdir,
) or throw Error::Simple("couldn't open new temp file");
+
$$temp_fd->autoflush;
binmode $$temp_fd;
+ $TEMP_FILES{$$temp_fd}{fname} = $fname;
}
$$temp_fd;
}
or throw Error::Simple("expected file position to be reset");
}
+=item temp_path ( NAME )
+
+=item temp_path ( FILEHANDLE )
+
+Returns the filename associated with the given tempfile.
+
+=cut
+
+sub temp_path {
+ my ($self, $temp_fd) = _maybe_self(@_);
+
+ if (exists $TEMP_FILEMAP{$temp_fd}) {
+ $temp_fd = $TEMP_FILEMAP{$temp_fd};
+ }
+ $TEMP_FILES{$temp_fd}{fname};
+}
+
sub END {
- unlink values %TEMP_FILES if %TEMP_FILES;
+ unlink values %TEMP_FILEMAP if %TEMP_FILEMAP;
}
} # %TEMP_* Lexical Context
# the method was called upon an instance and (undef, @args) if
# it was called directly.
sub _maybe_self {
- # This breaks inheritance. Oh well.
- ref $_[0] eq 'Git' ? @_ : (undef, @_);
+ UNIVERSAL::isa($_[0], 'Git') ? @_ : (undef, @_);
}
# Check if the command id is something reasonable.
# for the given repository and execute the git command.
sub _cmd_exec {
my ($self, @args) = @_;
+ _setup_git_cmd_env($self);
+ _execv_git_cmd(@args);
+ die qq[exec "@args" failed: $!];
+}
+
+# set up the appropriate state for git command
+sub _setup_git_cmd_env {
+ my $self = shift;
if ($self) {
$self->repo_path() and $ENV{'GIT_DIR'} = $self->repo_path();
+ $self->repo_path() and $self->wc_path()
+ and $ENV{'GIT_WORK_TREE'} = $self->wc_path();
$self->wc_path() and chdir($self->wc_path());
$self->wc_subdir() and chdir($self->wc_subdir());
}
- _execv_git_cmd(@args);
- die qq[exec "@args" failed: $!];
}
# Execute the given Git command ($_[0]) with arguments ($_[1..])