my $status_fmt = '%12s %12s %s';
my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path');
+{
+ my $initial;
+ sub is_initial_commit {
+ $initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0
+ unless defined $initial;
+ return $initial;
+ }
+}
+
+sub get_empty_tree {
+ return '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
+}
+
# Returns list of hashes, contents of each of which are:
# VALUE: pathname
# BINARY: is a binary path
return if (!@tracked);
}
+ my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD';
for (run_cmd_pipe(qw(git diff-index --cached
- --numstat --summary HEAD --), @tracked)) {
+ --numstat --summary), $reference,
+ '--', @tracked)) {
if (($add, $del, $file) =
/^([-\d]+) ([-\d]+) (.*)/) {
my ($change, $bin);
HEADER => $status_head, },
list_modified());
if (@update) {
- my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
- map { $_->{VALUE} } @update);
- my $fh;
- open $fh, '| git update-index --index-info'
- or die;
- for (@lines) {
- print $fh $_;
+ if (is_initial_commit()) {
+ system(qw(git rm --cached),
+ map { $_->{VALUE} } @update);
}
- close($fh);
- for (@update) {
- if ($_->{INDEX_ADDDEL} &&
- $_->{INDEX_ADDDEL} eq 'create') {
- system(qw(git update-index --force-remove --),
- $_->{VALUE});
- print "note: $_->{VALUE} is untracked now.\n";
+ else {
+ my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
+ map { $_->{VALUE} } @update);
+ my $fh;
+ open $fh, '| git update-index --index-info'
+ or die;
+ for (@lines) {
+ print $fh $_;
+ }
+ close($fh);
+ for (@update) {
+ if ($_->{INDEX_ADDDEL} &&
+ $_->{INDEX_ADDDEL} eq 'create') {
+ system(qw(git update-index --force-remove --),
+ $_->{VALUE});
+ print "note: $_->{VALUE} is untracked now.\n";
+ }
}
}
refresh();
return @hunk;
}
+sub parse_diff_header {
+ my $src = shift;
+
+ my $head = { TEXT => [], DISPLAY => [] };
+ my $mode = { TEXT => [], DISPLAY => [] };
+
+ for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
+ my $dest = $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ?
+ $mode : $head;
+ push @{$dest->{TEXT}}, $src->{TEXT}->[$i];
+ push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i];
+ }
+ return ($head, $mode);
+}
+
sub hunk_splittable {
my ($text) = @_;
return @split;
}
-sub find_last_o_ctx {
- my ($it) = @_;
- my $text = $it->{TEXT};
- my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]);
- my $i = @{$text};
- my $last_o_ctx = $o_ofs + $o_cnt;
- while (0 < --$i) {
- my $line = $text->[$i];
- if ($line =~ /^ /) {
- $last_o_ctx--;
- next;
- }
- last;
- }
- return $last_o_ctx;
-}
-
-sub merge_hunk {
- my ($prev, $this) = @_;
- my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
- parse_hunk_header($prev->{TEXT}[0]);
- my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
- parse_hunk_header($this->{TEXT}[0]);
-
- my (@line, $i, $ofs, $o_cnt, $n_cnt);
- $ofs = $o0_ofs;
- $o_cnt = $n_cnt = 0;
- for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
- my $line = $prev->{TEXT}[$i];
- if ($line =~ /^\+/) {
- $n_cnt++;
- push @line, $line;
- next;
- }
-
- last if ($o1_ofs <= $ofs);
-
- $o_cnt++;
- $ofs++;
- if ($line =~ /^ /) {
- $n_cnt++;
- }
- push @line, $line;
- }
-
- for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
- my $line = $this->{TEXT}[$i];
- if ($line =~ /^\+/) {
- $n_cnt++;
- push @line, $line;
- next;
- }
- $ofs++;
- $o_cnt++;
- if ($line =~ /^ /) {
- $n_cnt++;
- }
- push @line, $line;
- }
- my $head = ("@@ -$o0_ofs" .
- (($o_cnt != 1) ? ",$o_cnt" : '') .
- " +$n0_ofs" .
- (($n_cnt != 1) ? ",$n_cnt" : '') .
- " @@\n");
- @{$prev->{TEXT}} = ($head, @line);
-}
-
-sub coalesce_overlapping_hunks {
- my (@in) = @_;
- my @out = ();
-
- my ($last_o_ctx);
-
- for (grep { $_->{USE} } @in) {
- my $text = $_->{TEXT};
- my ($o_ofs) = parse_hunk_header($text->[0]);
- if (defined $last_o_ctx &&
- $o_ofs <= $last_o_ctx) {
- merge_hunk($out[-1], $_);
- }
- else {
- push @out, $_;
- }
- $last_o_ctx = find_last_o_ctx($out[-1]);
- }
- return @out;
-}
sub help_patch_cmd {
print colored $help_color, <<\EOF ;
my ($ix, $num);
my $path = shift;
my ($head, @hunk) = parse_diff($path);
+ ($head, my $mode) = parse_diff_header($head);
for (@{$head->{DISPLAY}}) {
print;
}
+
+ if (@{$mode->{TEXT}}) {
+ while (1) {
+ print @{$mode->{DISPLAY}};
+ print colored $prompt_color,
+ "Stage mode change [y/n/a/d/?]? ";
+ my $line = <STDIN>;
+ if ($line =~ /^y/i) {
+ $mode->{USE} = 1;
+ last;
+ }
+ elsif ($line =~ /^n/i) {
+ $mode->{USE} = 0;
+ last;
+ }
+ elsif ($line =~ /^a/i) {
+ $_->{USE} = 1 foreach ($mode, @hunk);
+ last;
+ }
+ elsif ($line =~ /^d/i) {
+ $_->{USE} = 0 foreach ($mode, @hunk);
+ last;
+ }
+ else {
+ help_patch_cmd('');
+ next;
+ }
+ }
+ }
+
$num = scalar @hunk;
$ix = 0;
}
}
- @hunk = coalesce_overlapping_hunks(@hunk);
-
my $n_lofs = 0;
my @result = ();
+ if ($mode->{USE}) {
+ push @result, @{$mode->{TEXT}};
+ }
for (@hunk) {
- my $text = $_->{TEXT};
- my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
- parse_hunk_header($text->[0]);
-
- if (!$_->{USE}) {
- # We would have added ($n_cnt - $o_cnt) lines
- # to the postimage if we were to use this hunk,
- # but we didn't. So the line number that the next
- # hunk starts at would be shifted by that much.
- $n_lofs -= ($n_cnt - $o_cnt);
- next;
- }
- else {
- if ($n_lofs) {
- $n_ofs += $n_lofs;
- $text->[0] = ("@@ -$o_ofs" .
- (($o_cnt != 1)
- ? ",$o_cnt" : '') .
- " +$n_ofs" .
- (($n_cnt != 1)
- ? ",$n_cnt" : '') .
- " @@\n");
- }
- for (@$text) {
- push @result, $_;
- }
+ if ($_->{USE}) {
+ push @result, @{$_->{TEXT}};
}
}
if (@result) {
my $fh;
- open $fh, '| git apply --cached';
+ open $fh, '| git apply --cached --recount';
for (@{$head->{TEXT}}, @result) {
print $fh $_;
}
HEADER => $status_head, },
@mods);
return if (!@them);
- system(qw(git diff -p --cached HEAD --), map { $_->{VALUE} } @them);
+ my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD';
+ system(qw(git diff -p --cached), $reference, '--',
+ map { $_->{VALUE} } @them);
}
sub quit_cmd {