package Git;
+use 5.008;
use strict;
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 (defined $opts{Directory}) {
- -d $opts{Directory} or throw Error::Simple("Directory not found: $!");
+ -d $opts{Directory} or throw Error::Simple("Directory not found: $opts{Directory} $!");
my $search = Git->repository(WorkingCopy => $opts{Directory});
my $dir;
sub command_bidi_pipe {
my ($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(' ', @_));
}
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 $!");
# Of course we will not "hold" the subdirectory so anyone
# can delete it now and we will never know. But at least we tried.
(exception is thrown otherwise), in array context returns allows the
variable to be set multiple times and returns all the values.
-This currently wraps command('config') so it is not so fast.
-
=cut
sub config {
- my ($self, $var) = _maybe_self(@_);
-
- try {
- my @cmd = ('config');
- unshift @cmd, $self if $self;
- if (wantarray) {
- return command(@cmd, '--get-all', $var);
- } else {
- return command_oneline(@cmd, '--get', $var);
- }
- } catch Git::Error::Command with {
- my $E = shift;
- if ($E->value() == 1) {
- # Key not found.
- return;
- } else {
- throw $E;
- }
- };
+ return _config_common({}, @_);
}
is usable as a boolean in perl (and C<undef> if it's not defined,
of course).
-This currently wraps command('config') so it is not so fast.
-
=cut
sub config_bool {
- my ($self, $var) = _maybe_self(@_);
+ my $val = scalar _config_common({'kind' => '--bool'}, @_);
- try {
- my @cmd = ('config', '--bool', '--get', $var);
- unshift @cmd, $self if $self;
- my $val = command_oneline(@cmd);
- return undef unless defined $val;
+ # Do not rewrite this as return (defined $val && $val eq 'true')
+ # as some callers do care what kind of falsehood they receive.
+ if (!defined $val) {
+ return undef;
+ } else {
return $val eq 'true';
- } catch Git::Error::Command with {
- my $E = shift;
- if ($E->value() == 1) {
- # Key not found.
- return undef;
- } else {
- throw $E;
- }
- };
+ }
}
+
+=item config_path ( VARIABLE )
+
+Retrieve the path configuration C<VARIABLE>. The return value
+is an expanded path or C<undef> if it's not defined.
+
+=cut
+
+sub config_path {
+ return _config_common({'kind' => '--path'}, @_);
+}
+
+
=item config_int ( VARIABLE )
Retrieve the integer configuration C<VARIABLE>. The return value
by 1024, 1048576 (1024^2), or 1073741824 (1024^3) prior to output.
It would return C<undef> if configuration variable is not defined,
-This currently wraps command('config') so it is not so fast.
-
=cut
sub config_int {
+ return scalar _config_common({'kind' => '--int'}, @_);
+}
+
+# Common subroutine to implement bulk of what the config* family of methods
+# do. This curently wraps command('config') so it is not so fast.
+sub _config_common {
+ my ($opts) = shift @_;
my ($self, $var) = _maybe_self(@_);
try {
- my @cmd = ('config', '--int', '--get', $var);
+ my @cmd = ('config', $opts->{'kind'} ? $opts->{'kind'} : ());
unshift @cmd, $self if $self;
- return command_oneline(@cmd);
+ if (wantarray) {
+ return command(@cmd, '--get-all', $var);
+ } else {
+ return command_oneline(@cmd, '--get', $var);
+ }
} catch Git::Error::Command with {
my $E = shift;
if ($E->value() == 1) {
# Key not found.
- return undef;
+ return;
} else {
throw $E;
}
contains the tag object while a C<refname^{}> entry gives the tagged objects.
C<REPOSITORY> has the same meaning as the appropriate C<git-ls-remote>
-argument; either an URL or a remote name (if called on a repository instance).
+argument; either a URL or a remote name (if called on a repository instance).
C<GROUPS> is an optional arrayref that can contain 'tags' to return all the
tags and/or 'heads' to return all the heads. C<REFGLOB> is an optional array
of strings containing a shell-like glob to further limit the refs returned in
($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));
+ $self->command_bidi_pipe(qw(cat-file --batch));
}
sub _close_cat_blob {
# for the given repository and execute the git command.
sub _cmd_exec {
my ($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()
$self->wc_path() and chdir($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..])