X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=perl%2FGit.pm;h=2b26b65bfb00c60535919d7b9359a5549f9e9709;hb=1349f8771310987dd07b679a512e46e1b17e2b8d;hp=7bbb5be77e1731bd378307826078843f7785cbc2;hpb=d5c7721d586225c46c675b893b7693220e28cfd5;p=git.git diff --git a/perl/Git.pm b/perl/Git.pm index 7bbb5be77..2b26b65bf 100644 --- a/perl/Git.pm +++ b/perl/Git.pm @@ -93,9 +93,6 @@ use Carp qw(carp croak); # but croak is bad - throw instead use Error qw(:try); use Cwd qw(abs_path); -require XSLoader; -XSLoader::load('Git', $VERSION); - } @@ -178,7 +175,8 @@ sub repository { }; if ($dir) { - $opts{Repository} = abs_path($dir); + $dir =~ m#^/# or $dir = $opts{Directory} . '/' . $dir; + $opts{Repository} = $dir; # If --git-dir went ok, this shouldn't die either. my $prefix = $search->command_oneline('rev-parse', '--show-prefix'); @@ -412,12 +410,13 @@ sub command_noisy { Return the Git version in use. -Implementation of this function is very fast; no external command calls -are involved. - =cut -# Implemented in Git.xs. +sub version { + my $verstr = command_oneline('--version'); + $verstr =~ s/^git version //; + $verstr; +} =item exec_path () @@ -425,12 +424,9 @@ are involved. Return path to the Git sub-command executables (the same as C). Useful mostly only internally. -Implementation of this function is very fast; no external command calls -are involved. - =cut -# Implemented in Git.xs. +sub exec_path { command_oneline('--exec-path') } =item repo_path () @@ -472,7 +468,6 @@ and the directory must exist. sub wc_chdir { my ($self, $subdir) = @_; - $self->wc_path() or throw Error::Simple("bare repository"); @@ -485,32 +480,109 @@ sub wc_chdir { } -=item hash_object ( FILENAME [, TYPE ] ) +=item config ( VARIABLE ) -=item hash_object ( FILEHANDLE [, TYPE ] ) +Retrieve the configuration C in the same manner as C +does. In scalar context requires the variable to be set only one time +(exception is thrown otherwise), in array context returns allows the +variable to be set multiple times and returns all the values. -Compute the SHA1 object id of the given C (or data waiting in -C) considering it is of the C object type (C -(default), C, C). +Must be called on a repository instance. + +This currently wraps command('repo-config') so it is not so fast. + +=cut + +sub config { + my ($self, $var) = @_; + $self->repo_path() + or throw Error::Simple("not a repository"); + + try { + if (wantarray) { + return $self->command('repo-config', '--get-all', $var); + } else { + return $self->command_oneline('repo-config', '--get', $var); + } + } catch Git::Error::Command with { + my $E = shift; + if ($E->value() == 1) { + # Key not found. + return undef; + } else { + throw $E; + } + }; +} + + +=item ident ( TYPE | IDENTSTR ) -In case of C passed instead of file name, all the data -available are read and hashed, and the filehandle is automatically -closed. The file handle should be freshly opened - if you have already -read anything from the file handle, the results are undefined (since -this function works directly with the file descriptor and internal -PerlIO buffering might have messed things up). +=item ident_person ( TYPE | IDENTSTR | IDENTARRAY ) + +This suite of functions retrieves and parses ident information, as stored +in the commit and tag objects or produced by C (thus +C can be either I or I; case is insignificant). + +The C method retrieves the ident information from C +and either returns it as a scalar string or as an array with the fields parsed. +Alternatively, it can take a prepared ident string (e.g. from the commit +object) and just parse it. + +C returns the person part of the ident - name and email; +it can take the same arguments as C or the array returned by C. + +The synopsis is like: + + my ($name, $email, $time_tz) = ident('author'); + "$name <$email>" eq ident_person('author'); + "$name <$email>" eq ident_person($name); + $time_tz =~ /^\d+ [+-]\d{4}$/; + +Both methods must be called on a repository instance. + +=cut + +sub ident { + my ($self, $type) = @_; + my $identstr; + if (lc $type eq lc 'committer' or lc $type eq lc 'author') { + $identstr = $self->command_oneline('var', 'GIT_'.uc($type).'_IDENT'); + } else { + $identstr = $type; + } + if (wantarray) { + return $identstr =~ /^(.*) <(.*)> (\d+ [+-]\d{4})$/; + } else { + return $identstr; + } +} + +sub ident_person { + my ($self, @ident) = @_; + $#ident == 0 and @ident = $self->ident($ident[0]); + return "$ident[0] <$ident[1]>"; +} + + +=item hash_object ( TYPE, FILENAME ) + +Compute the SHA1 object id of the given C (or data waiting in +C) considering it is of the C object type (C, +C, C). The method can be called without any instance or on a specified Git repository, it makes zero difference. The function returns the SHA1 hash. -Implementation of this function is very fast; no external command calls -are involved. - =cut -# Implemented in Git.xs. +# TODO: Support for passing FILEHANDLE instead of FILENAME +sub hash_object { + my ($self, $type, $file) = _maybe_self(@_); + command_oneline('hash-object', '-t', $type, $file); +} @@ -663,18 +735,29 @@ sub _command_common_pipe { } _check_valid_cmd($cmd); - my $pid = open(my $fh, $direction); - if (not defined $pid) { - throw Error::Simple("open failed: $!"); - } elsif ($pid == 0) { - if (defined $opts{STDERR}) { - close STDERR; - } - if ($opts{STDERR}) { - open (STDERR, '>&', $opts{STDERR}) - or die "dup failed: $!"; + my $fh; + if ($^O eq '##INSERT_ACTIVESTATE_STRING_HERE##') { + # ActiveState Perl + #defined $opts{STDERR} and + # warn 'ignoring STDERR option - running w/ ActiveState'; + $direction eq '-|' or + die 'input pipe for ActiveState not implemented'; + tie ($fh, 'Git::activestate_pipe', $cmd, @args); + + } else { + my $pid = open($fh, $direction); + if (not defined $pid) { + throw Error::Simple("open failed: $!"); + } elsif ($pid == 0) { + if (defined $opts{STDERR}) { + close STDERR; + } + if ($opts{STDERR}) { + open (STDERR, '>&', $opts{STDERR}) + or die "dup failed: $!"; + } + _cmd_exec($self, $cmd, @args); } - _cmd_exec($self, $cmd, @args); } return wantarray ? ($fh, join(' ', $cmd, @args)) : $fh; } @@ -694,7 +777,7 @@ sub _cmd_exec { # Execute the given Git command ($_[0]) with arguments ($_[1..]) # by searching for it at proper places. -# _execv_git_cmd(), implemented in Git.xs. +sub _execv_git_cmd { exec('git', @_); } # Close pipe to a subprocess. sub _cmd_close { @@ -713,40 +796,42 @@ sub _cmd_close { } -# Trickery for .xs routines: In order to avoid having some horrid -# C code trying to do stuff with undefs and hashes, we gate all -# xs calls through the following and in case we are being ran upon -# an instance call a C part of the gate which will set up the -# environment properly. -sub _call_gate { - my $xsfunc = shift; - my ($self, @args) = _maybe_self(@_); +sub DESTROY { } - if (defined $self) { - # XXX: We ignore the WorkingCopy! To properly support - # that will require heavy changes in libgit. - # XXX: And we ignore everything else as well. libgit - # at least needs to be extended to let us specify - # the $GIT_DIR instead of looking it up in environment. - #xs_call_gate($self->{opts}->{Repository}); - } +# Pipe implementation for ActiveState Perl. - # Having to call throw from the C code is a sure path to insanity. - local $SIG{__DIE__} = sub { throw Error::Simple("@_"); }; - &$xsfunc(@args); +package Git::activestate_pipe; +use strict; + +sub TIEHANDLE { + my ($class, @params) = @_; + # FIXME: This is probably horrible idea and the thing will explode + # at the moment you give it arguments that require some quoting, + # but I have no ActiveState clue... --pasky + my $cmdline = join " ", @params; + my @data = qx{$cmdline}; + bless { i => 0, data => \@data }, $class; } -sub AUTOLOAD { - my $xsname; - our $AUTOLOAD; - ($xsname = $AUTOLOAD) =~ s/.*:://; - throw Error::Simple("&Git::$xsname not defined") if $xsname =~ /^xs_/; - $xsname = 'xs_'.$xsname; - _call_gate(\&$xsname, @_); +sub READLINE { + my $self = shift; + if ($self->{i} >= scalar @{$self->{data}}) { + return undef; + } + return $self->{'data'}->[ $self->{i}++ ]; } -sub DESTROY { } +sub CLOSE { + my $self = shift; + delete $self->{data}; + delete $self->{i}; +} + +sub EOF { + my $self = shift; + return ($self->{i} >= scalar @{$self->{data}}); +} 1; # Famous last words