use Moose::Autobox;
class Gitalist::Git::Object {
- use MooseX::Types::Moose qw/Str Int/;
+ use MooseX::Types::Moose qw/Str Int Bool Maybe/;
use MooseX::Types::Common::String qw/NonEmptySimpleStr/;
use File::Stat::ModeString qw/mode_to_string/;
+ use List::MoreUtils qw/any zip/;
+
+ our $SHA1RE = qr/[0-9a-fA-F]{40}/;
+
# project and sha1 are required initargs
has project => ( isa => 'Gitalist::Git::Project',
required => 1,
weak_ref => 1,
handles => {
_run_cmd => 'run_cmd',
+ _run_cmd_list => 'run_cmd_list',
_get_gpp_object => 'get_gpp_object',
},
);
has sha1 => ( isa => NonEmptySimpleStr,
- required => 1,
- is => 'ro' );
+ required => 1,
+ is => 'ro' );
has $_ => ( isa => NonEmptySimpleStr,
- required => 1,
- is => 'ro',
- lazy_build => 1 )
+ required => 1,
+ is => 'ro',
+ lazy_build => 1 )
for qw/type modestr size/;
has _gpp_obj => ( isa => 'Git::PurePerl::Object',
required => 0,
is => 'ro' );
has mode => ( isa => Int,
- required => 1,
- default => 0,
- is => 'ro' );
+ required => 1,
+ default => 0,
+ is => 'ro' );
method BUILD { $self->$_() for qw/_gpp_obj type size modestr/ }
- method _build__gpp_obj {
+
+ method diff ( Maybe[Bool] :$patch?,
+ Maybe[NonEmptySimpleStr] :$parent?,
+ Maybe[NonEmptySimpleStr] :$file?
+ ) {
+ # Use parent if specifed, else take the parent from the commit
+ # if there is only one, otherwise it was a merge commit.
+ $parent = $parent
+ ? $parent
+ : $self->parents <= 1
+ ? $self->parent_sha1
+ : '-c';
+ my @etc = (
+ ( $file ? ('--', $file) : () ),
+ );
+
+ my @out = $self->_raw_diff(
+ ( $patch ? '--patch-with-raw' : () ),
+ ( $parent ? $parent : () ),
+ $self->sha1, @etc,
+ );
+
+ # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
+ my @difftree = $self->_parse_diff_tree(\@out);
+
+ return \@difftree
+ unless $patch;
+
+ # The blank line between the tree and the patch.
+ shift @out;
+
+ # XXX And no I'm not happy about having diff return tree + patch.
+ return \@difftree, [$self->_parse_diff(@out)];
+ }
+
+## Private methods
+ # gitweb uses the following sort of command for diffing merges:
+ # /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index --cc 316cf158df3f6207afbae7270bcc5ba0 --
+ # and for regular diffs
+ # /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index 2e3454ca0749641b42f063730b0090e1 316cf158df3f6207afbae7270bcc5ba0 --
+ method _raw_diff (@args) {
+ return $self->_run_cmd_list(
+ qw(diff-tree -r -M --no-commit-id --full-index),
+ @args
+ );
+ }
+
+ method _parse_diff_tree ($diff) {
+ my @keys = qw(modesrc modedst sha1src sha1dst status src dst);
+ my @ret;
+ while (@$diff and $diff->[0] =~ /^:\d+/) {
+ my $line = shift @$diff;
+ # see. man git-diff-tree for more info
+ # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst]
+ my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/;
+ my %line = zip @keys, @vals;
+ # Some convenience keys
+ $line{file} = $line{src};
+ $line{sha1} = $line{sha1dst};
+ $line{is_new} = $line{sha1src} =~ /^0+$/
+ if $line{sha1src};
+ @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/
+ if $line{status} =~ /^R/;
+ push @ret, \%line;
+ }
+
+ return @ret;
+ }
+
+ method _parse_diff (@diff) {
+ my @ret;
+ for (@diff) {
+ # This regex is a little pathological.
+ if (m{^diff --git (a/(.*?)) (b/\2)}) {
+ push @ret, {
+ head => $_,
+ a => $1,
+ b => $3,
+ file => $2,
+ diff => '',
+ };
+ next;
+ }
+
+ if (/^index (\w+)\.\.(\w+) (\d+)$/) {
+ @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
+ next
+ }
+
+ # XXX Somewhat hacky. Ahem.
+ $ret[@ret ? -1 : 0]{diff} .= "$_\n";
+ }
+
+ return @ret;
+ }
+
+
+## Builders
+method _build__gpp_obj {
return $self->_get_gpp_object($self->sha1)
}
=head2 diff($commit, $patch?, $parent?, $file?)
-Generate a diff.
-
-FIXME this should be a method on the commit object.
+Generate a diff from a given L<Gitalist::Git::Object>.
=cut
- # XXX Ideally this would return a wee object instead of ad hoc structures.
method diff ( Gitalist::Git::Object :$commit!,
Bool :$patch?,
Maybe[NonEmptySimpleStr] :$parent?,
- NonEmptySimpleStr :$file? ) {
- # Use parent if specifed, else take the parent from the commit
- # if there is only one, otherwise it was a merge commit.
- $parent = $parent
- ? $parent
- : $commit->parents <= 1
- ? $commit->parent_sha1
- : '-c';
- my @etc = (
- ( $file ? ('--', $file) : () ),
- );
-
- my @out = $self->_raw_diff(
- ( $patch ? '--patch-with-raw' : () ),
- ( $parent ? $parent : () ),
- $commit->sha1, @etc,
- );
-
- # XXX Yes, there is much wrongness having _parse_diff_tree be destructive.
- my @difftree = $self->_parse_diff_tree(\@out);
-
- return \@difftree
- unless $patch;
-
- # The blank line between the tree and the patch.
- shift @out;
-
- # XXX And no I'm not happy about having diff return tree + patch.
- return \@difftree, [$self->_parse_diff(@out)];
+ NonEmptySimpleStr :$file?
+ ) {
+ return $commit->diff( patch => $patch,
+ parent => $parent,
+ file => $file);
}
=head2 reflog(@lorgargs)
map split(/\n/, $_, 6), split /\0/, $output;
}
- method _parse_diff_tree ($diff) {
- my @keys = qw(modesrc modedst sha1src sha1dst status src dst);
- my @ret;
- while (@$diff and $diff->[0] =~ /^:\d+/) {
- my $line = shift @$diff;
- # see. man git-diff-tree for more info
- # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst]
- my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/;
- my %line = zip @keys, @vals;
- # Some convenience keys
- $line{file} = $line{src};
- $line{sha1} = $line{sha1dst};
- $line{is_new} = $line{sha1src} =~ /^0+$/
- if $line{sha1src};
- @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/
- if $line{status} =~ /^R/;
- push @ret, \%line;
- }
-
- return @ret;
- }
- method _parse_diff (@diff) {
- my @ret;
- for (@diff) {
- # This regex is a little pathological.
- if(m{^diff --git (a/(.*?)) (b/\2)}) {
- push @ret, {
- head => $_,
- a => $1,
- b => $3,
- file => $2,
- diff => '',
- };
- next;
- }
-
- if(/^index (\w+)\.\.(\w+) (\d+)$/) {
- @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3);
- next
- }
-
- # XXX Somewhat hacky. Ahem.
- $ret[@ret ? -1 : 0]{diff} .= "$_\n";
- }
-
- return @ret;
- }
-
- # gitweb uses the following sort of command for diffing merges:
-# /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index --cc 316cf158df3f6207afbae7270bcc5ba0 --
-# and for regular diffs
-# /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index 2e3454ca0749641b42f063730b0090e1 316cf158df3f6207afbae7270bcc5ba0 --
- method _raw_diff (@args) {
- return $self->run_cmd_list(
- qw(diff-tree -r -M --no-commit-id --full-index),
- @args
- );
- }
-
=head1 SEE ALSO
L<Gitalist::Git::Util> L<Gitalist::Git::Object>