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-rwxr-xr-xgit-add--interactive.perl1918
1 files changed, 1918 insertions, 0 deletions
diff --git a/git-add--interactive.perl b/git-add--interactive.perl
new file mode 100755
index 0000000..bc3a1e8
--- /dev/null
+++ b/git-add--interactive.perl
@@ -0,0 +1,1918 @@
+#!/usr/bin/perl
+
+use 5.008;
+use strict;
+use warnings;
+use Git qw(unquote_path);
+use Git::I18N;
+
+binmode(STDOUT, ":raw");
+
+my $repo = Git->repository();
+
+my $menu_use_color = $repo->get_colorbool('color.interactive');
+my ($prompt_color, $header_color, $help_color) =
+ $menu_use_color ? (
+ $repo->get_color('color.interactive.prompt', 'bold blue'),
+ $repo->get_color('color.interactive.header', 'bold'),
+ $repo->get_color('color.interactive.help', 'red bold'),
+ ) : ();
+my $error_color = ();
+if ($menu_use_color) {
+ my $help_color_spec = ($repo->config('color.interactive.help') or
+ 'red bold');
+ $error_color = $repo->get_color('color.interactive.error',
+ $help_color_spec);
+}
+
+my $diff_use_color = $repo->get_colorbool('color.diff');
+my ($fraginfo_color) =
+ $diff_use_color ? (
+ $repo->get_color('color.diff.frag', 'cyan'),
+ ) : ();
+my ($diff_context_color) =
+ $diff_use_color ? (
+ $repo->get_color($repo->config('color.diff.context') ? 'color.diff.context' : 'color.diff.plain', ''),
+ ) : ();
+my ($diff_old_color) =
+ $diff_use_color ? (
+ $repo->get_color('color.diff.old', 'red'),
+ ) : ();
+my ($diff_new_color) =
+ $diff_use_color ? (
+ $repo->get_color('color.diff.new', 'green'),
+ ) : ();
+
+my $normal_color = $repo->get_color("", "reset");
+
+my $diff_algorithm = $repo->config('diff.algorithm');
+my $diff_filter = $repo->config('interactive.difffilter');
+
+my $use_readkey = 0;
+my $use_termcap = 0;
+my %term_escapes;
+
+sub ReadMode;
+sub ReadKey;
+if ($repo->config_bool("interactive.singlekey")) {
+ eval {
+ require Term::ReadKey;
+ Term::ReadKey->import;
+ $use_readkey = 1;
+ };
+ if (!$use_readkey) {
+ print STDERR "missing Term::ReadKey, disabling interactive.singlekey\n";
+ }
+ eval {
+ require Term::Cap;
+ my $termcap = Term::Cap->Tgetent;
+ foreach (values %$termcap) {
+ $term_escapes{$_} = 1 if /^\e/;
+ }
+ $use_termcap = 1;
+ };
+}
+
+sub colored {
+ my $color = shift;
+ my $string = join("", @_);
+
+ if (defined $color) {
+ # Put a color code at the beginning of each line, a reset at the end
+ # color after newlines that are not at the end of the string
+ $string =~ s/(\n+)(.)/$1$color$2/g;
+ # reset before newlines
+ $string =~ s/(\n+)/$normal_color$1/g;
+ # codes at beginning and end (if necessary):
+ $string =~ s/^/$color/;
+ $string =~ s/$/$normal_color/ unless $string =~ /\n$/;
+ }
+ return $string;
+}
+
+# command line options
+my $patch_mode_only;
+my $patch_mode;
+my $patch_mode_revision;
+
+sub apply_patch;
+sub apply_patch_for_checkout_commit;
+sub apply_patch_for_stash;
+
+my %patch_modes = (
+ 'stage' => {
+ DIFF => 'diff-files -p',
+ APPLY => sub { apply_patch 'apply --cached', @_; },
+ APPLY_CHECK => 'apply --cached',
+ FILTER => 'file-only',
+ IS_REVERSE => 0,
+ },
+ 'stash' => {
+ DIFF => 'diff-index -p HEAD',
+ APPLY => sub { apply_patch 'apply --cached', @_; },
+ APPLY_CHECK => 'apply --cached',
+ FILTER => undef,
+ IS_REVERSE => 0,
+ },
+ 'reset_head' => {
+ DIFF => 'diff-index -p --cached',
+ APPLY => sub { apply_patch 'apply -R --cached', @_; },
+ APPLY_CHECK => 'apply -R --cached',
+ FILTER => 'index-only',
+ IS_REVERSE => 1,
+ },
+ 'reset_nothead' => {
+ DIFF => 'diff-index -R -p --cached',
+ APPLY => sub { apply_patch 'apply --cached', @_; },
+ APPLY_CHECK => 'apply --cached',
+ FILTER => 'index-only',
+ IS_REVERSE => 0,
+ },
+ 'checkout_index' => {
+ DIFF => 'diff-files -p',
+ APPLY => sub { apply_patch 'apply -R', @_; },
+ APPLY_CHECK => 'apply -R',
+ FILTER => 'file-only',
+ IS_REVERSE => 1,
+ },
+ 'checkout_head' => {
+ DIFF => 'diff-index -p',
+ APPLY => sub { apply_patch_for_checkout_commit '-R', @_ },
+ APPLY_CHECK => 'apply -R',
+ FILTER => undef,
+ IS_REVERSE => 1,
+ },
+ 'checkout_nothead' => {
+ DIFF => 'diff-index -R -p',
+ APPLY => sub { apply_patch_for_checkout_commit '', @_ },
+ APPLY_CHECK => 'apply',
+ FILTER => undef,
+ IS_REVERSE => 0,
+ },
+ 'worktree_head' => {
+ DIFF => 'diff-index -p',
+ APPLY => sub { apply_patch 'apply -R', @_ },
+ APPLY_CHECK => 'apply -R',
+ FILTER => undef,
+ IS_REVERSE => 1,
+ },
+ 'worktree_nothead' => {
+ DIFF => 'diff-index -R -p',
+ APPLY => sub { apply_patch 'apply', @_ },
+ APPLY_CHECK => 'apply',
+ FILTER => undef,
+ IS_REVERSE => 0,
+ },
+);
+
+$patch_mode = 'stage';
+my %patch_mode_flavour = %{$patch_modes{$patch_mode}};
+
+sub run_cmd_pipe {
+ if ($^O eq 'MSWin32') {
+ my @invalid = grep {m/[":*]/} @_;
+ die "$^O does not support: @invalid\n" if @invalid;
+ my @args = map { m/ /o ? "\"$_\"": $_ } @_;
+ return qx{@args};
+ } else {
+ my $fh = undef;
+ open($fh, '-|', @_) or die;
+ my @out = <$fh>;
+ close $fh || die "Cannot close @_ ($!)";
+ return @out;
+ }
+}
+
+my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir));
+
+if (!defined $GIT_DIR) {
+ exit(1); # rev-parse would have already said "not a git repo"
+}
+chomp($GIT_DIR);
+
+sub refresh {
+ my $fh;
+ open $fh, 'git update-index --refresh |'
+ or die;
+ while (<$fh>) {
+ ;# ignore 'needs update'
+ }
+ close $fh;
+}
+
+sub list_untracked {
+ map {
+ chomp $_;
+ unquote_path($_);
+ }
+ run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV);
+}
+
+# TRANSLATORS: you can adjust this to align "git add -i" status menu
+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;
+ }
+}
+
+{
+ my $empty_tree;
+ sub get_empty_tree {
+ return $empty_tree if defined $empty_tree;
+
+ ($empty_tree) = run_cmd_pipe(qw(git hash-object -t tree /dev/null));
+ chomp $empty_tree;
+ return $empty_tree;
+ }
+}
+
+sub get_diff_reference {
+ my $ref = shift;
+ if (defined $ref and $ref ne 'HEAD') {
+ return $ref;
+ } elsif (is_initial_commit()) {
+ return get_empty_tree();
+ } else {
+ return 'HEAD';
+ }
+}
+
+# Returns list of hashes, contents of each of which are:
+# VALUE: pathname
+# BINARY: is a binary path
+# INDEX: is index different from HEAD?
+# FILE: is file different from index?
+# INDEX_ADDDEL: is it add/delete between HEAD and index?
+# FILE_ADDDEL: is it add/delete between index and file?
+# UNMERGED: is the path unmerged
+
+sub list_modified {
+ my ($only) = @_;
+ my (%data, @return);
+ my ($add, $del, $adddel, $file);
+
+ my $reference = get_diff_reference($patch_mode_revision);
+ for (run_cmd_pipe(qw(git diff-index --cached
+ --numstat --summary), $reference,
+ '--', @ARGV)) {
+ if (($add, $del, $file) =
+ /^([-\d]+) ([-\d]+) (.*)/) {
+ my ($change, $bin);
+ $file = unquote_path($file);
+ if ($add eq '-' && $del eq '-') {
+ $change = __('binary');
+ $bin = 1;
+ }
+ else {
+ $change = "+$add/-$del";
+ }
+ $data{$file} = {
+ INDEX => $change,
+ BINARY => $bin,
+ FILE => __('nothing'),
+ }
+ }
+ elsif (($adddel, $file) =
+ /^ (create|delete) mode [0-7]+ (.*)$/) {
+ $file = unquote_path($file);
+ $data{$file}{INDEX_ADDDEL} = $adddel;
+ }
+ }
+
+ for (run_cmd_pipe(qw(git diff-files --ignore-submodules=dirty --numstat --summary --raw --), @ARGV)) {
+ if (($add, $del, $file) =
+ /^([-\d]+) ([-\d]+) (.*)/) {
+ $file = unquote_path($file);
+ my ($change, $bin);
+ if ($add eq '-' && $del eq '-') {
+ $change = __('binary');
+ $bin = 1;
+ }
+ else {
+ $change = "+$add/-$del";
+ }
+ $data{$file}{FILE} = $change;
+ if ($bin) {
+ $data{$file}{BINARY} = 1;
+ }
+ }
+ elsif (($adddel, $file) =
+ /^ (create|delete) mode [0-7]+ (.*)$/) {
+ $file = unquote_path($file);
+ $data{$file}{FILE_ADDDEL} = $adddel;
+ }
+ elsif (/^:[0-7]+ [0-7]+ [0-9a-f]+ [0-9a-f]+ (.) (.*)$/) {
+ $file = unquote_path($2);
+ if (!exists $data{$file}) {
+ $data{$file} = +{
+ INDEX => __('unchanged'),
+ BINARY => 0,
+ };
+ }
+ if ($1 eq 'U') {
+ $data{$file}{UNMERGED} = 1;
+ }
+ }
+ }
+
+ for (sort keys %data) {
+ my $it = $data{$_};
+
+ if ($only) {
+ if ($only eq 'index-only') {
+ next if ($it->{INDEX} eq __('unchanged'));
+ }
+ if ($only eq 'file-only') {
+ next if ($it->{FILE} eq __('nothing'));
+ }
+ }
+ push @return, +{
+ VALUE => $_,
+ %$it,
+ };
+ }
+ return @return;
+}
+
+sub find_unique {
+ my ($string, @stuff) = @_;
+ my $found = undef;
+ for (my $i = 0; $i < @stuff; $i++) {
+ my $it = $stuff[$i];
+ my $hit = undef;
+ if (ref $it) {
+ if ((ref $it) eq 'ARRAY') {
+ $it = $it->[0];
+ }
+ else {
+ $it = $it->{VALUE};
+ }
+ }
+ eval {
+ if ($it =~ /^$string/) {
+ $hit = 1;
+ };
+ };
+ if (defined $hit && defined $found) {
+ return undef;
+ }
+ if ($hit) {
+ $found = $i + 1;
+ }
+ }
+ return $found;
+}
+
+# inserts string into trie and updates count for each character
+sub update_trie {
+ my ($trie, $string) = @_;
+ foreach (split //, $string) {
+ $trie = $trie->{$_} ||= {COUNT => 0};
+ $trie->{COUNT}++;
+ }
+}
+
+# returns an array of tuples (prefix, remainder)
+sub find_unique_prefixes {
+ my @stuff = @_;
+ my @return = ();
+
+ # any single prefix exceeding the soft limit is omitted
+ # if any prefix exceeds the hard limit all are omitted
+ # 0 indicates no limit
+ my $soft_limit = 0;
+ my $hard_limit = 3;
+
+ # build a trie modelling all possible options
+ my %trie;
+ foreach my $print (@stuff) {
+ if ((ref $print) eq 'ARRAY') {
+ $print = $print->[0];
+ }
+ elsif ((ref $print) eq 'HASH') {
+ $print = $print->{VALUE};
+ }
+ update_trie(\%trie, $print);
+ push @return, $print;
+ }
+
+ # use the trie to find the unique prefixes
+ for (my $i = 0; $i < @return; $i++) {
+ my $ret = $return[$i];
+ my @letters = split //, $ret;
+ my %search = %trie;
+ my ($prefix, $remainder);
+ my $j;
+ for ($j = 0; $j < @letters; $j++) {
+ my $letter = $letters[$j];
+ if ($search{$letter}{COUNT} == 1) {
+ $prefix = substr $ret, 0, $j + 1;
+ $remainder = substr $ret, $j + 1;
+ last;
+ }
+ else {
+ my $prefix = substr $ret, 0, $j;
+ return ()
+ if ($hard_limit && $j + 1 > $hard_limit);
+ }
+ %search = %{$search{$letter}};
+ }
+ if (ord($letters[0]) > 127 ||
+ ($soft_limit && $j + 1 > $soft_limit)) {
+ $prefix = undef;
+ $remainder = $ret;
+ }
+ $return[$i] = [$prefix, $remainder];
+ }
+ return @return;
+}
+
+# filters out prefixes which have special meaning to list_and_choose()
+sub is_valid_prefix {
+ my $prefix = shift;
+ return (defined $prefix) &&
+ !($prefix =~ /[\s,]/) && # separators
+ !($prefix =~ /^-/) && # deselection
+ !($prefix =~ /^\d+/) && # selection
+ ($prefix ne '*') && # "all" wildcard
+ ($prefix ne '?'); # prompt help
+}
+
+# given a prefix/remainder tuple return a string with the prefix highlighted
+# for now use square brackets; later might use ANSI colors (underline, bold)
+sub highlight_prefix {
+ my $prefix = shift;
+ my $remainder = shift;
+
+ if (!defined $prefix) {
+ return $remainder;
+ }
+
+ if (!is_valid_prefix($prefix)) {
+ return "$prefix$remainder";
+ }
+
+ if (!$menu_use_color) {
+ return "[$prefix]$remainder";
+ }
+
+ return "$prompt_color$prefix$normal_color$remainder";
+}
+
+sub error_msg {
+ print STDERR colored $error_color, @_;
+}
+
+sub list_and_choose {
+ my ($opts, @stuff) = @_;
+ my (@chosen, @return);
+ if (!@stuff) {
+ return @return;
+ }
+ my $i;
+ my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY};
+
+ TOPLOOP:
+ while (1) {
+ my $last_lf = 0;
+
+ if ($opts->{HEADER}) {
+ my $indent = $opts->{LIST_FLAT} ? "" : " ";
+ print colored $header_color, "$indent$opts->{HEADER}\n";
+ }
+ for ($i = 0; $i < @stuff; $i++) {
+ my $chosen = $chosen[$i] ? '*' : ' ';
+ my $print = $stuff[$i];
+ my $ref = ref $print;
+ my $highlighted = highlight_prefix(@{$prefixes[$i]})
+ if @prefixes;
+ if ($ref eq 'ARRAY') {
+ $print = $highlighted || $print->[0];
+ }
+ elsif ($ref eq 'HASH') {
+ my $value = $highlighted || $print->{VALUE};
+ $print = sprintf($status_fmt,
+ $print->{INDEX},
+ $print->{FILE},
+ $value);
+ }
+ else {
+ $print = $highlighted || $print;
+ }
+ printf("%s%2d: %s", $chosen, $i+1, $print);
+ if (($opts->{LIST_FLAT}) &&
+ (($i + 1) % ($opts->{LIST_FLAT}))) {
+ print "\t";
+ $last_lf = 0;
+ }
+ else {
+ print "\n";
+ $last_lf = 1;
+ }
+ }
+ if (!$last_lf) {
+ print "\n";
+ }
+
+ return if ($opts->{LIST_ONLY});
+
+ print colored $prompt_color, $opts->{PROMPT};
+ if ($opts->{SINGLETON}) {
+ print "> ";
+ }
+ else {
+ print ">> ";
+ }
+ my $line = <STDIN>;
+ if (!$line) {
+ print "\n";
+ $opts->{ON_EOF}->() if $opts->{ON_EOF};
+ last;
+ }
+ chomp $line;
+ last if $line eq '';
+ if ($line eq '?') {
+ $opts->{SINGLETON} ?
+ singleton_prompt_help_cmd() :
+ prompt_help_cmd();
+ next TOPLOOP;
+ }
+ for my $choice (split(/[\s,]+/, $line)) {
+ my $choose = 1;
+ my ($bottom, $top);
+
+ # Input that begins with '-'; unchoose
+ if ($choice =~ s/^-//) {
+ $choose = 0;
+ }
+ # A range can be specified like 5-7 or 5-.
+ if ($choice =~ /^(\d+)-(\d*)$/) {
+ ($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff);
+ }
+ elsif ($choice =~ /^\d+$/) {
+ $bottom = $top = $choice;
+ }
+ elsif ($choice eq '*') {
+ $bottom = 1;
+ $top = 1 + @stuff;
+ }
+ else {
+ $bottom = $top = find_unique($choice, @stuff);
+ if (!defined $bottom) {
+ error_msg sprintf(__("Huh (%s)?\n"), $choice);
+ next TOPLOOP;
+ }
+ }
+ if ($opts->{SINGLETON} && $bottom != $top) {
+ error_msg sprintf(__("Huh (%s)?\n"), $choice);
+ next TOPLOOP;
+ }
+ for ($i = $bottom-1; $i <= $top-1; $i++) {
+ next if (@stuff <= $i || $i < 0);
+ $chosen[$i] = $choose;
+ }
+ }
+ last if ($opts->{IMMEDIATE} || $line eq '*');
+ }
+ for ($i = 0; $i < @stuff; $i++) {
+ if ($chosen[$i]) {
+ push @return, $stuff[$i];
+ }
+ }
+ return @return;
+}
+
+sub singleton_prompt_help_cmd {
+ print colored $help_color, __ <<'EOF' ;
+Prompt help:
+1 - select a numbered item
+foo - select item based on unique prefix
+ - (empty) select nothing
+EOF
+}
+
+sub prompt_help_cmd {
+ print colored $help_color, __ <<'EOF' ;
+Prompt help:
+1 - select a single item
+3-5 - select a range of items
+2-3,6-9 - select multiple ranges
+foo - select item based on unique prefix
+-... - unselect specified items
+* - choose all items
+ - (empty) finish selecting
+EOF
+}
+
+sub status_cmd {
+ list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
+ list_modified());
+ print "\n";
+}
+
+sub say_n_paths {
+ my $did = shift @_;
+ my $cnt = scalar @_;
+ if ($did eq 'added') {
+ printf(__n("added %d path\n", "added %d paths\n",
+ $cnt), $cnt);
+ } elsif ($did eq 'updated') {
+ printf(__n("updated %d path\n", "updated %d paths\n",
+ $cnt), $cnt);
+ } elsif ($did eq 'reverted') {
+ printf(__n("reverted %d path\n", "reverted %d paths\n",
+ $cnt), $cnt);
+ } else {
+ printf(__n("touched %d path\n", "touched %d paths\n",
+ $cnt), $cnt);
+ }
+}
+
+sub update_cmd {
+ my @mods = list_modified('file-only');
+ return if (!@mods);
+
+ my @update = list_and_choose({ PROMPT => __('Update'),
+ HEADER => $status_head, },
+ @mods);
+ if (@update) {
+ system(qw(git update-index --add --remove --),
+ map { $_->{VALUE} } @update);
+ say_n_paths('updated', @update);
+ }
+ print "\n";
+}
+
+sub revert_cmd {
+ my @update = list_and_choose({ PROMPT => __('Revert'),
+ HEADER => $status_head, },
+ list_modified());
+ if (@update) {
+ if (is_initial_commit()) {
+ system(qw(git rm --cached),
+ map { $_->{VALUE} } @update);
+ }
+ 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});
+ printf(__("note: %s is untracked now.\n"), $_->{VALUE});
+ }
+ }
+ }
+ refresh();
+ say_n_paths('reverted', @update);
+ }
+ print "\n";
+}
+
+sub add_untracked_cmd {
+ my @add = list_and_choose({ PROMPT => __('Add untracked') },
+ list_untracked());
+ if (@add) {
+ system(qw(git update-index --add --), @add);
+ say_n_paths('added', @add);
+ } else {
+ print __("No untracked files.\n");
+ }
+ print "\n";
+}
+
+sub run_git_apply {
+ my $cmd = shift;
+ my $fh;
+ open $fh, '| git ' . $cmd . " --allow-overlap";
+ print $fh @_;
+ return close $fh;
+}
+
+sub parse_diff {
+ my ($path) = @_;
+ my @diff_cmd = split(" ", $patch_mode_flavour{DIFF});
+ if (defined $diff_algorithm) {
+ splice @diff_cmd, 1, 0, "--diff-algorithm=${diff_algorithm}";
+ }
+ if (defined $patch_mode_revision) {
+ push @diff_cmd, get_diff_reference($patch_mode_revision);
+ }
+ my @diff = run_cmd_pipe("git", @diff_cmd, qw(--no-color --), $path);
+ my @colored = ();
+ if ($diff_use_color) {
+ my @display_cmd = ("git", @diff_cmd, qw(--color --), $path);
+ if (defined $diff_filter) {
+ # quotemeta is overkill, but sufficient for shell-quoting
+ my $diff = join(' ', map { quotemeta } @display_cmd);
+ @display_cmd = ("$diff | $diff_filter");
+ }
+
+ @colored = run_cmd_pipe(@display_cmd);
+ }
+ my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' };
+
+ if (@colored && @colored != @diff) {
+ print STDERR
+ "fatal: mismatched output from interactive.diffFilter\n",
+ "hint: Your filter must maintain a one-to-one correspondence\n",
+ "hint: between its input and output lines.\n";
+ exit 1;
+ }
+
+ for (my $i = 0; $i < @diff; $i++) {
+ if ($diff[$i] =~ /^@@ /) {
+ push @hunk, { TEXT => [], DISPLAY => [],
+ TYPE => 'hunk' };
+ }
+ push @{$hunk[-1]{TEXT}}, $diff[$i];
+ push @{$hunk[-1]{DISPLAY}},
+ (@colored ? $colored[$i] : $diff[$i]);
+ }
+ return @hunk;
+}
+
+sub parse_diff_header {
+ my $src = shift;
+
+ my $head = { TEXT => [], DISPLAY => [], TYPE => 'header' };
+ my $mode = { TEXT => [], DISPLAY => [], TYPE => 'mode' };
+ my $deletion = { TEXT => [], DISPLAY => [], TYPE => 'deletion' };
+ my $addition;
+
+ for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
+ if ($src->{TEXT}->[$i] =~ /^new file/) {
+ $addition = 1;
+ $head->{TYPE} = 'addition';
+ }
+ my $dest =
+ $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ? $mode :
+ $src->{TEXT}->[$i] =~ /^deleted file/ ? $deletion :
+ $head;
+ push @{$dest->{TEXT}}, $src->{TEXT}->[$i];
+ push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i];
+ }
+ return ($head, $mode, $deletion, $addition);
+}
+
+sub hunk_splittable {
+ my ($text) = @_;
+
+ my @s = split_hunk($text);
+ return (1 < @s);
+}
+
+sub parse_hunk_header {
+ my ($line) = @_;
+ my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
+ $line =~ /^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/;
+ $o_cnt = 1 unless defined $o_cnt;
+ $n_cnt = 1 unless defined $n_cnt;
+ return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
+}
+
+sub format_hunk_header {
+ my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) = @_;
+ return ("@@ -$o_ofs" .
+ (($o_cnt != 1) ? ",$o_cnt" : '') .
+ " +$n_ofs" .
+ (($n_cnt != 1) ? ",$n_cnt" : '') .
+ " @@\n");
+}
+
+sub split_hunk {
+ my ($text, $display) = @_;
+ my @split = ();
+ if (!defined $display) {
+ $display = $text;
+ }
+ # If there are context lines in the middle of a hunk,
+ # it can be split, but we would need to take care of
+ # overlaps later.
+
+ my ($o_ofs, undef, $n_ofs) = parse_hunk_header($text->[0]);
+ my $hunk_start = 1;
+
+ OUTER:
+ while (1) {
+ my $next_hunk_start = undef;
+ my $i = $hunk_start - 1;
+ my $this = +{
+ TEXT => [],
+ DISPLAY => [],
+ TYPE => 'hunk',
+ OLD => $o_ofs,
+ NEW => $n_ofs,
+ OCNT => 0,
+ NCNT => 0,
+ ADDDEL => 0,
+ POSTCTX => 0,
+ USE => undef,
+ };
+
+ while (++$i < @$text) {
+ my $line = $text->[$i];
+ my $display = $display->[$i];
+ if ($line =~ /^\\/) {
+ push @{$this->{TEXT}}, $line;
+ push @{$this->{DISPLAY}}, $display;
+ next;
+ }
+ if ($line =~ /^ /) {
+ if ($this->{ADDDEL} &&
+ !defined $next_hunk_start) {
+ # We have seen leading context and
+ # adds/dels and then here is another
+ # context, which is trailing for this
+ # split hunk and leading for the next
+ # one.
+ $next_hunk_start = $i;
+ }
+ push @{$this->{TEXT}}, $line;
+ push @{$this->{DISPLAY}}, $display;
+ $this->{OCNT}++;
+ $this->{NCNT}++;
+ if (defined $next_hunk_start) {
+ $this->{POSTCTX}++;
+ }
+ next;
+ }
+
+ # add/del
+ if (defined $next_hunk_start) {
+ # We are done with the current hunk and
+ # this is the first real change for the
+ # next split one.
+ $hunk_start = $next_hunk_start;
+ $o_ofs = $this->{OLD} + $this->{OCNT};
+ $n_ofs = $this->{NEW} + $this->{NCNT};
+ $o_ofs -= $this->{POSTCTX};
+ $n_ofs -= $this->{POSTCTX};
+ push @split, $this;
+ redo OUTER;
+ }
+ push @{$this->{TEXT}}, $line;
+ push @{$this->{DISPLAY}}, $display;
+ $this->{ADDDEL}++;
+ if ($line =~ /^-/) {
+ $this->{OCNT}++;
+ }
+ else {
+ $this->{NCNT}++;
+ }
+ }
+
+ push @split, $this;
+ last;
+ }
+
+ for my $hunk (@split) {
+ $o_ofs = $hunk->{OLD};
+ $n_ofs = $hunk->{NEW};
+ my $o_cnt = $hunk->{OCNT};
+ my $n_cnt = $hunk->{NCNT};
+
+ my $head = format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
+ my $display_head = $head;
+ unshift @{$hunk->{TEXT}}, $head;
+ if ($diff_use_color) {
+ $display_head = colored($fraginfo_color, $head);
+ }
+ unshift @{$hunk->{DISPLAY}}, $display_head;
+ }
+ return @split;
+}
+
+sub find_last_o_ctx {
+ my ($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, $line;
+ next;
+ } elsif ($line =~ /^\\/) {
+ 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, $line;
+ next;
+ } elsif ($line =~ /^\\/) {
+ push @line, $line;
+ next;
+ }
+ $ofs++;
+ $o_cnt++;
+ if ($line =~ /^ /) {
+ $n_cnt++;
+ }
+ push @line, $line;
+ }
+ my $head = format_hunk_header($o0_ofs, $o_cnt, $n0_ofs, $n_cnt);
+ @{$prev->{TEXT}} = ($head, @line);
+}
+
+sub coalesce_overlapping_hunks {
+ my (@in) = @_;
+ my @out = ();
+
+ my ($last_o_ctx, $last_was_dirty);
+ my $ofs_delta = 0;
+
+ for (@in) {
+ if ($_->{TYPE} ne 'hunk') {
+ push @out, $_;
+ next;
+ }
+ my $text = $_->{TEXT};
+ my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
+ parse_hunk_header($text->[0]);
+ unless ($_->{USE}) {
+ $ofs_delta += $o_cnt - $n_cnt;
+ # If this hunk has been edited then subtract
+ # the delta that is due to the edit.
+ if ($_->{OFS_DELTA}) {
+ $ofs_delta -= $_->{OFS_DELTA};
+ }
+ next;
+ }
+ if ($ofs_delta) {
+ if ($patch_mode_flavour{IS_REVERSE}) {
+ $o_ofs -= $ofs_delta;
+ } else {
+ $n_ofs += $ofs_delta;
+ }
+ $_->{TEXT}->[0] = format_hunk_header($o_ofs, $o_cnt,
+ $n_ofs, $n_cnt);
+ }
+ # If this hunk was edited then adjust the offset delta
+ # to reflect the edit.
+ if ($_->{OFS_DELTA}) {
+ $ofs_delta += $_->{OFS_DELTA};
+ }
+ if (defined $last_o_ctx &&
+ $o_ofs <= $last_o_ctx &&
+ !$_->{DIRTY} &&
+ !$last_was_dirty) {
+ merge_hunk($out[-1], $_);
+ }
+ else {
+ push @out, $_;
+ }
+ $last_o_ctx = find_last_o_ctx($out[-1]);
+ $last_was_dirty = $_->{DIRTY};
+ }
+ return @out;
+}
+
+sub reassemble_patch {
+ my $head = shift;
+ my @patch;
+
+ # Include everything in the header except the beginning of the diff.
+ push @patch, (grep { !/^[-+]{3}/ } @$head);
+
+ # Then include any headers from the hunk lines, which must
+ # come before any actual hunk.
+ while (@_ && $_[0] !~ /^@/) {
+ push @patch, shift;
+ }
+
+ # Then begin the diff.
+ push @patch, grep { /^[-+]{3}/ } @$head;
+
+ # And then the actual hunks.
+ push @patch, @_;
+
+ return @patch;
+}
+
+sub color_diff {
+ return map {
+ colored((/^@/ ? $fraginfo_color :
+ /^\+/ ? $diff_new_color :
+ /^-/ ? $diff_old_color :
+ $diff_context_color),
+ $_);
+ } @_;
+}
+
+my %edit_hunk_manually_modes = (
+ stage => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for staging."),
+ stash => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for stashing."),
+ reset_head => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for unstaging."),
+ reset_nothead => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for applying."),
+ checkout_index => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for discarding."),
+ checkout_head => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for discarding."),
+ checkout_nothead => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for applying."),
+ worktree_head => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for discarding."),
+ worktree_nothead => N__(
+"If the patch applies cleanly, the edited hunk will immediately be
+marked for applying."),
+);
+
+sub recount_edited_hunk {
+ local $_;
+ my ($oldtext, $newtext) = @_;
+ my ($o_cnt, $n_cnt) = (0, 0);
+ for (@{$newtext}[1..$#{$newtext}]) {
+ my $mode = substr($_, 0, 1);
+ if ($mode eq '-') {
+ $o_cnt++;
+ } elsif ($mode eq '+') {
+ $n_cnt++;
+ } elsif ($mode eq ' ' or $mode eq "\n") {
+ $o_cnt++;
+ $n_cnt++;
+ }
+ }
+ my ($o_ofs, undef, $n_ofs, undef) =
+ parse_hunk_header($newtext->[0]);
+ $newtext->[0] = format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
+ my (undef, $orig_o_cnt, undef, $orig_n_cnt) =
+ parse_hunk_header($oldtext->[0]);
+ # Return the change in the number of lines inserted by this hunk
+ return $orig_o_cnt - $orig_n_cnt - $o_cnt + $n_cnt;
+}
+
+sub edit_hunk_manually {
+ my ($oldtext) = @_;
+
+ my $hunkfile = $repo->repo_path . "/addp-hunk-edit.diff";
+ my $fh;
+ open $fh, '>', $hunkfile
+ or die sprintf(__("failed to open hunk edit file for writing: %s"), $!);
+ print $fh Git::comment_lines __("Manual hunk edit mode -- see bottom for a quick guide.\n");
+ print $fh @$oldtext;
+ my $is_reverse = $patch_mode_flavour{IS_REVERSE};
+ my ($remove_plus, $remove_minus) = $is_reverse ? ('-', '+') : ('+', '-');
+ my $comment_line_char = Git::get_comment_line_char;
+ print $fh Git::comment_lines sprintf(__ <<EOF, $remove_minus, $remove_plus, $comment_line_char),
+---
+To remove '%s' lines, make them ' ' lines (context).
+To remove '%s' lines, delete them.
+Lines starting with %s will be removed.
+EOF
+__($edit_hunk_manually_modes{$patch_mode}),
+# TRANSLATORS: 'it' refers to the patch mentioned in the previous messages.
+__ <<EOF2 ;
+If it does not apply cleanly, you will be given an opportunity to
+edit again. If all lines of the hunk are removed, then the edit is
+aborted and the hunk is left unchanged.
+EOF2
+ close $fh;
+
+ chomp(my ($editor) = run_cmd_pipe(qw(git var GIT_EDITOR)));
+ system('sh', '-c', $editor.' "$@"', $editor, $hunkfile);
+
+ if ($? != 0) {
+ return undef;
+ }
+
+ open $fh, '<', $hunkfile
+ or die sprintf(__("failed to open hunk edit file for reading: %s"), $!);
+ my @newtext = grep { !/^\Q$comment_line_char\E/ } <$fh>;
+ close $fh;
+ unlink $hunkfile;
+
+ # Abort if nothing remains
+ if (!grep { /\S/ } @newtext) {
+ return undef;
+ }
+
+ # Reinsert the first hunk header if the user accidentally deleted it
+ if ($newtext[0] !~ /^@/) {
+ unshift @newtext, $oldtext->[0];
+ }
+ return \@newtext;
+}
+
+sub diff_applies {
+ return run_git_apply($patch_mode_flavour{APPLY_CHECK} . ' --check',
+ map { @{$_->{TEXT}} } @_);
+}
+
+sub _restore_terminal_and_die {
+ ReadMode 'restore';
+ print "\n";
+ exit 1;
+}
+
+sub prompt_single_character {
+ if ($use_readkey) {
+ local $SIG{TERM} = \&_restore_terminal_and_die;
+ local $SIG{INT} = \&_restore_terminal_and_die;
+ ReadMode 'cbreak';
+ my $key = ReadKey 0;
+ ReadMode 'restore';
+ if ($use_termcap and $key eq "\e") {
+ while (!defined $term_escapes{$key}) {
+ my $next = ReadKey 0.5;
+ last if (!defined $next);
+ $key .= $next;
+ }
+ $key =~ s/\e/^[/;
+ }
+ print "$key" if defined $key;
+ print "\n";
+ return $key;
+ } else {
+ return <STDIN>;
+ }
+}
+
+sub prompt_yesno {
+ my ($prompt) = @_;
+ while (1) {
+ print colored $prompt_color, $prompt;
+ my $line = prompt_single_character;
+ return undef unless defined $line;
+ return 0 if $line =~ /^n/i;
+ return 1 if $line =~ /^y/i;
+ }
+}
+
+sub edit_hunk_loop {
+ my ($head, $hunks, $ix) = @_;
+ my $hunk = $hunks->[$ix];
+ my $text = $hunk->{TEXT};
+
+ while (1) {
+ my $newtext = edit_hunk_manually($text);
+ if (!defined $newtext) {
+ return undef;
+ }
+ my $newhunk = {
+ TEXT => $newtext,
+ TYPE => $hunk->{TYPE},
+ USE => 1,
+ DIRTY => 1,
+ };
+ $newhunk->{OFS_DELTA} = recount_edited_hunk($text, $newtext);
+ # If this hunk has already been edited then add the
+ # offset delta of the previous edit to get the real
+ # delta from the original unedited hunk.
+ $hunk->{OFS_DELTA} and
+ $newhunk->{OFS_DELTA} += $hunk->{OFS_DELTA};
+ if (diff_applies($head,
+ @{$hunks}[0..$ix-1],
+ $newhunk,
+ @{$hunks}[$ix+1..$#{$hunks}])) {
+ $newhunk->{DISPLAY} = [color_diff(@{$newtext})];
+ return $newhunk;
+ }
+ else {
+ prompt_yesno(
+ # TRANSLATORS: do not translate [y/n]
+ # The program will only accept that input
+ # at this point.
+ # Consider translating (saying "no" discards!) as
+ # (saying "n" for "no" discards!) if the translation
+ # of the word "no" does not start with n.
+ __('Your edited hunk does not apply. Edit again '
+ . '(saying "no" discards!) [y/n]? ')
+ ) or return undef;
+ }
+ }
+}
+
+my %help_patch_modes = (
+ stage => N__(
+"y - stage this hunk
+n - do not stage this hunk
+q - quit; do not stage this hunk or any of the remaining ones
+a - stage this hunk and all later hunks in the file
+d - do not stage this hunk or any of the later hunks in the file"),
+ stash => N__(
+"y - stash this hunk
+n - do not stash this hunk
+q - quit; do not stash this hunk or any of the remaining ones
+a - stash this hunk and all later hunks in the file
+d - do not stash this hunk or any of the later hunks in the file"),
+ reset_head => N__(
+"y - unstage this hunk
+n - do not unstage this hunk
+q - quit; do not unstage this hunk or any of the remaining ones
+a - unstage this hunk and all later hunks in the file
+d - do not unstage this hunk or any of the later hunks in the file"),
+ reset_nothead => N__(
+"y - apply this hunk to index
+n - do not apply this hunk to index
+q - quit; do not apply this hunk or any of the remaining ones
+a - apply this hunk and all later hunks in the file
+d - do not apply this hunk or any of the later hunks in the file"),
+ checkout_index => N__(
+"y - discard this hunk from worktree
+n - do not discard this hunk from worktree
+q - quit; do not discard this hunk or any of the remaining ones
+a - discard this hunk and all later hunks in the file
+d - do not discard this hunk or any of the later hunks in the file"),
+ checkout_head => N__(
+"y - discard this hunk from index and worktree
+n - do not discard this hunk from index and worktree
+q - quit; do not discard this hunk or any of the remaining ones
+a - discard this hunk and all later hunks in the file
+d - do not discard this hunk or any of the later hunks in the file"),
+ checkout_nothead => N__(
+"y - apply this hunk to index and worktree
+n - do not apply this hunk to index and worktree
+q - quit; do not apply this hunk or any of the remaining ones
+a - apply this hunk and all later hunks in the file
+d - do not apply this hunk or any of the later hunks in the file"),
+ worktree_head => N__(
+"y - discard this hunk from worktree
+n - do not discard this hunk from worktree
+q - quit; do not discard this hunk or any of the remaining ones
+a - discard this hunk and all later hunks in the file
+d - do not discard this hunk or any of the later hunks in the file"),
+ worktree_nothead => N__(
+"y - apply this hunk to worktree
+n - do not apply this hunk to worktree
+q - quit; do not apply this hunk or any of the remaining ones
+a - apply this hunk and all later hunks in the file
+d - do not apply this hunk or any of the later hunks in the file"),
+);
+
+sub help_patch_cmd {
+ local $_;
+ my $other = $_[0] . ",?";
+ print colored $help_color, __($help_patch_modes{$patch_mode}), "\n",
+ map { "$_\n" } grep {
+ my $c = quotemeta(substr($_, 0, 1));
+ $other =~ /,$c/
+ } split "\n", __ <<EOF ;
+g - select a hunk to go to
+/ - search for a hunk matching the given regex
+j - leave this hunk undecided, see next undecided hunk
+J - leave this hunk undecided, see next hunk
+k - leave this hunk undecided, see previous undecided hunk
+K - leave this hunk undecided, see previous hunk
+s - split the current hunk into smaller hunks
+e - manually edit the current hunk
+? - print help
+EOF
+}
+
+sub apply_patch {
+ my $cmd = shift;
+ my $ret = run_git_apply $cmd, @_;
+ if (!$ret) {
+ print STDERR @_;
+ }
+ return $ret;
+}
+
+sub apply_patch_for_checkout_commit {
+ my $reverse = shift;
+ my $applies_index = run_git_apply 'apply '.$reverse.' --cached --check', @_;
+ my $applies_worktree = run_git_apply 'apply '.$reverse.' --check', @_;
+
+ if ($applies_worktree && $applies_index) {
+ run_git_apply 'apply '.$reverse.' --cached', @_;
+ run_git_apply 'apply '.$reverse, @_;
+ return 1;
+ } elsif (!$applies_index) {
+ print colored $error_color, __("The selected hunks do not apply to the index!\n");
+ if (prompt_yesno __("Apply them to the worktree anyway? ")) {
+ return run_git_apply 'apply '.$reverse, @_;
+ } else {
+ print colored $error_color, __("Nothing was applied.\n");
+ return 0;
+ }
+ } else {
+ print STDERR @_;
+ return 0;
+ }
+}
+
+sub patch_update_cmd {
+ my @all_mods = list_modified($patch_mode_flavour{FILTER});
+ error_msg sprintf(__("ignoring unmerged: %s\n"), $_->{VALUE})
+ for grep { $_->{UNMERGED} } @all_mods;
+ @all_mods = grep { !$_->{UNMERGED} } @all_mods;
+
+ my @mods = grep { !($_->{BINARY}) } @all_mods;
+ my @them;
+
+ if (!@mods) {
+ if (@all_mods) {
+ print STDERR __("Only binary files changed.\n");
+ } else {
+ print STDERR __("No changes.\n");
+ }
+ return 0;
+ }
+ if ($patch_mode_only) {
+ @them = @mods;
+ }
+ else {
+ @them = list_and_choose({ PROMPT => __('Patch update'),
+ HEADER => $status_head, },
+ @mods);
+ }
+ for (@them) {
+ return 0 if patch_update_file($_->{VALUE});
+ }
+}
+
+# Generate a one line summary of a hunk.
+sub summarize_hunk {
+ my $rhunk = shift;
+ my $summary = $rhunk->{TEXT}[0];
+
+ # Keep the line numbers, discard extra context.
+ $summary =~ s/@@(.*?)@@.*/$1 /s;
+ $summary .= " " x (20 - length $summary);
+
+ # Add some user context.
+ for my $line (@{$rhunk->{TEXT}}) {
+ if ($line =~ m/^[+-].*\w/) {
+ $summary .= $line;
+ last;
+ }
+ }
+
+ chomp $summary;
+ return substr($summary, 0, 80) . "\n";
+}
+
+
+# Print a one-line summary of each hunk in the array ref in
+# the first argument, starting with the index in the 2nd.
+sub display_hunks {
+ my ($hunks, $i) = @_;
+ my $ctr = 0;
+ $i ||= 0;
+ for (; $i < @$hunks && $ctr < 20; $i++, $ctr++) {
+ my $status = " ";
+ if (defined $hunks->[$i]{USE}) {
+ $status = $hunks->[$i]{USE} ? "+" : "-";
+ }
+ printf "%s%2d: %s",
+ $status,
+ $i + 1,
+ summarize_hunk($hunks->[$i]);
+ }
+ return $i;
+}
+
+my %patch_update_prompt_modes = (
+ stage => {
+ mode => N__("Stage mode change [y,n,q,a,d%s,?]? "),
+ deletion => N__("Stage deletion [y,n,q,a,d%s,?]? "),
+ addition => N__("Stage addition [y,n,q,a,d%s,?]? "),
+ hunk => N__("Stage this hunk [y,n,q,a,d%s,?]? "),
+ },
+ stash => {
+ mode => N__("Stash mode change [y,n,q,a,d%s,?]? "),
+ deletion => N__("Stash deletion [y,n,q,a,d%s,?]? "),
+ addition => N__("Stash addition [y,n,q,a,d%s,?]? "),
+ hunk => N__("Stash this hunk [y,n,q,a,d%s,?]? "),
+ },
+ reset_head => {
+ mode => N__("Unstage mode change [y,n,q,a,d%s,?]? "),
+ deletion => N__("Unstage deletion [y,n,q,a,d%s,?]? "),
+ addition => N__("Unstage addition [y,n,q,a,d%s,?]? "),
+ hunk => N__("Unstage this hunk [y,n,q,a,d%s,?]? "),
+ },
+ reset_nothead => {
+ mode => N__("Apply mode change to index [y,n,q,a,d%s,?]? "),
+ deletion => N__("Apply deletion to index [y,n,q,a,d%s,?]? "),
+ addition => N__("Apply addition to index [y,n,q,a,d%s,?]? "),
+ hunk => N__("Apply this hunk to index [y,n,q,a,d%s,?]? "),
+ },
+ checkout_index => {
+ mode => N__("Discard mode change from worktree [y,n,q,a,d%s,?]? "),
+ deletion => N__("Discard deletion from worktree [y,n,q,a,d%s,?]? "),
+ addition => N__("Discard addition from worktree [y,n,q,a,d%s,?]? "),
+ hunk => N__("Discard this hunk from worktree [y,n,q,a,d%s,?]? "),
+ },
+ checkout_head => {
+ mode => N__("Discard mode change from index and worktree [y,n,q,a,d%s,?]? "),
+ deletion => N__("Discard deletion from index and worktree [y,n,q,a,d%s,?]? "),
+ addition => N__("Discard addition from index and worktree [y,n,q,a,d%s,?]? "),
+ hunk => N__("Discard this hunk from index and worktree [y,n,q,a,d%s,?]? "),
+ },
+ checkout_nothead => {
+ mode => N__("Apply mode change to index and worktree [y,n,q,a,d%s,?]? "),
+ deletion => N__("Apply deletion to index and worktree [y,n,q,a,d%s,?]? "),
+ addition => N__("Apply addition to index and worktree [y,n,q,a,d%s,?]? "),
+ hunk => N__("Apply this hunk to index and worktree [y,n,q,a,d%s,?]? "),
+ },
+ worktree_head => {
+ mode => N__("Discard mode change from worktree [y,n,q,a,d%s,?]? "),
+ deletion => N__("Discard deletion from worktree [y,n,q,a,d%s,?]? "),
+ addition => N__("Discard addition from worktree [y,n,q,a,d%s,?]? "),
+ hunk => N__("Discard this hunk from worktree [y,n,q,a,d%s,?]? "),
+ },
+ worktree_nothead => {
+ mode => N__("Apply mode change to worktree [y,n,q,a,d%s,?]? "),
+ deletion => N__("Apply deletion to worktree [y,n,q,a,d%s,?]? "),
+ addition => N__("Apply addition to worktree [y,n,q,a,d%s,?]? "),
+ hunk => N__("Apply this hunk to worktree [y,n,q,a,d%s,?]? "),
+ },
+);
+
+sub patch_update_file {
+ my $quit = 0;
+ my ($ix, $num);
+ my $path = shift;
+ my ($head, @hunk) = parse_diff($path);
+ ($head, my $mode, my $deletion, my $addition) = parse_diff_header($head);
+ for (@{$head->{DISPLAY}}) {
+ print;
+ }
+
+ if (@{$mode->{TEXT}}) {
+ unshift @hunk, $mode;
+ }
+ if (@{$deletion->{TEXT}}) {
+ foreach my $hunk (@hunk) {
+ push @{$deletion->{TEXT}}, @{$hunk->{TEXT}};
+ push @{$deletion->{DISPLAY}}, @{$hunk->{DISPLAY}};
+ }
+ @hunk = ($deletion);
+ }
+
+ $num = scalar @hunk;
+ $ix = 0;
+
+ while (1) {
+ my ($prev, $next, $other, $undecided, $i);
+ $other = '';
+
+ last if ($ix and !$num);
+ if ($num <= $ix) {
+ $ix = 0;
+ }
+ for ($i = 0; $i < $ix; $i++) {
+ if (!defined $hunk[$i]{USE}) {
+ $prev = 1;
+ $other .= ',k';
+ last;
+ }
+ }
+ if ($ix) {
+ $other .= ',K';
+ }
+ for ($i = $ix + 1; $i < $num; $i++) {
+ if (!defined $hunk[$i]{USE}) {
+ $next = 1;
+ $other .= ',j';
+ last;
+ }
+ }
+ if ($ix < $num - 1) {
+ $other .= ',J';
+ }
+ if ($num > 1) {
+ $other .= ',g,/';
+ }
+ for ($i = 0; $i < $num; $i++) {
+ if (!defined $hunk[$i]{USE}) {
+ $undecided = 1;
+ last;
+ }
+ }
+ last if (!$undecided && ($num || !$addition));
+
+ if ($num) {
+ if ($hunk[$ix]{TYPE} eq 'hunk' &&
+ hunk_splittable($hunk[$ix]{TEXT})) {
+ $other .= ',s';
+ }
+ if ($hunk[$ix]{TYPE} eq 'hunk') {
+ $other .= ',e';
+ }
+ for (@{$hunk[$ix]{DISPLAY}}) {
+ print;
+ }
+ }
+ my $type = $num ? $hunk[$ix]{TYPE} : $head->{TYPE};
+ print colored $prompt_color, "(", ($ix+1), "/", ($num ? $num : 1), ") ",
+ sprintf(__($patch_update_prompt_modes{$patch_mode}{$type}), $other);
+
+ my $line = prompt_single_character;
+ last unless defined $line;
+ if ($line) {
+ if ($line =~ /^y/i) {
+ if ($num) {
+ $hunk[$ix]{USE} = 1;
+ } else {
+ $head->{USE} = 1;
+ }
+ }
+ elsif ($line =~ /^n/i) {
+ if ($num) {
+ $hunk[$ix]{USE} = 0;
+ } else {
+ $head->{USE} = 0;
+ }
+ }
+ elsif ($line =~ /^a/i) {
+ if ($num) {
+ while ($ix < $num) {
+ if (!defined $hunk[$ix]{USE}) {
+ $hunk[$ix]{USE} = 1;
+ }
+ $ix++;
+ }
+ } else {
+ $head->{USE} = 1;
+ $ix++;
+ }
+ next;
+ }
+ elsif ($line =~ /^g(.*)/) {
+ my $response = $1;
+ unless ($other =~ /g/) {
+ error_msg __("No other hunks to goto\n");
+ next;
+ }
+ my $no = $ix > 10 ? $ix - 10 : 0;
+ while ($response eq '') {
+ $no = display_hunks(\@hunk, $no);
+ if ($no < $num) {
+ print __("go to which hunk (<ret> to see more)? ");
+ } else {
+ print __("go to which hunk? ");
+ }
+ $response = <STDIN>;
+ if (!defined $response) {
+ $response = '';
+ }
+ chomp $response;
+ }
+ if ($response !~ /^\s*\d+\s*$/) {
+ error_msg sprintf(__("Invalid number: '%s'\n"),
+ $response);
+ } elsif (0 < $response && $response <= $num) {
+ $ix = $response - 1;
+ } else {
+ error_msg sprintf(__n("Sorry, only %d hunk available.\n",
+ "Sorry, only %d hunks available.\n", $num), $num);
+ }
+ next;
+ }
+ elsif ($line =~ /^d/i) {
+ if ($num) {
+ while ($ix < $num) {
+ if (!defined $hunk[$ix]{USE}) {
+ $hunk[$ix]{USE} = 0;
+ }
+ $ix++;
+ }
+ } else {
+ $head->{USE} = 0;
+ $ix++;
+ }
+ next;
+ }
+ elsif ($line =~ /^q/i) {
+ if ($num) {
+ for ($i = 0; $i < $num; $i++) {
+ if (!defined $hunk[$i]{USE}) {
+ $hunk[$i]{USE} = 0;
+ }
+ }
+ } elsif (!defined $head->{USE}) {
+ $head->{USE} = 0;
+ }
+ $quit = 1;
+ last;
+ }
+ elsif ($line =~ m|^/(.*)|) {
+ my $regex = $1;
+ unless ($other =~ m|/|) {
+ error_msg __("No other hunks to search\n");
+ next;
+ }
+ if ($regex eq "") {
+ print colored $prompt_color, __("search for regex? ");
+ $regex = <STDIN>;
+ if (defined $regex) {
+ chomp $regex;
+ }
+ }
+ my $search_string;
+ eval {
+ $search_string = qr{$regex}m;
+ };
+ if ($@) {
+ my ($err,$exp) = ($@, $1);
+ $err =~ s/ at .*git-add--interactive line \d+, <STDIN> line \d+.*$//;
+ error_msg sprintf(__("Malformed search regexp %s: %s\n"), $exp, $err);
+ next;
+ }
+ my $iy = $ix;
+ while (1) {
+ my $text = join ("", @{$hunk[$iy]{TEXT}});
+ last if ($text =~ $search_string);
+ $iy++;
+ $iy = 0 if ($iy >= $num);
+ if ($ix == $iy) {
+ error_msg __("No hunk matches the given pattern\n");
+ last;
+ }
+ }
+ $ix = $iy;
+ next;
+ }
+ elsif ($line =~ /^K/) {
+ if ($other =~ /K/) {
+ $ix--;
+ }
+ else {
+ error_msg __("No previous hunk\n");
+ }
+ next;
+ }
+ elsif ($line =~ /^J/) {
+ if ($other =~ /J/) {
+ $ix++;
+ }
+ else {
+ error_msg __("No next hunk\n");
+ }
+ next;
+ }
+ elsif ($line =~ /^k/) {
+ if ($other =~ /k/) {
+ while (1) {
+ $ix--;
+ last if (!$ix ||
+ !defined $hunk[$ix]{USE});
+ }
+ }
+ else {
+ error_msg __("No previous hunk\n");
+ }
+ next;
+ }
+ elsif ($line =~ /^j/) {
+ if ($other !~ /j/) {
+ error_msg __("No next hunk\n");
+ next;
+ }
+ }
+ elsif ($line =~ /^s/) {
+ unless ($other =~ /s/) {
+ error_msg __("Sorry, cannot split this hunk\n");
+ next;
+ }
+ my @split = split_hunk($hunk[$ix]{TEXT}, $hunk[$ix]{DISPLAY});
+ if (1 < @split) {
+ print colored $header_color, sprintf(
+ __n("Split into %d hunk.\n",
+ "Split into %d hunks.\n",
+ scalar(@split)), scalar(@split));
+ }
+ splice (@hunk, $ix, 1, @split);
+ $num = scalar @hunk;
+ next;
+ }
+ elsif ($line =~ /^e/) {
+ unless ($other =~ /e/) {
+ error_msg __("Sorry, cannot edit this hunk\n");
+ next;
+ }
+ my $newhunk = edit_hunk_loop($head, \@hunk, $ix);
+ if (defined $newhunk) {
+ splice @hunk, $ix, 1, $newhunk;
+ }
+ }
+ else {
+ help_patch_cmd($other);
+ next;
+ }
+ # soft increment
+ while (1) {
+ $ix++;
+ last if ($ix >= $num ||
+ !defined $hunk[$ix]{USE});
+ }
+ }
+ }
+
+ @hunk = coalesce_overlapping_hunks(@hunk) if ($num);
+
+ my $n_lofs = 0;
+ my @result = ();
+ for (@hunk) {
+ if ($_->{USE}) {
+ push @result, @{$_->{TEXT}};
+ }
+ }
+
+ if (@result or $head->{USE}) {
+ my @patch = reassemble_patch($head->{TEXT}, @result);
+ my $apply_routine = $patch_mode_flavour{APPLY};
+ &$apply_routine(@patch);
+ refresh();
+ }
+
+ print "\n";
+ return $quit;
+}
+
+sub diff_cmd {
+ my @mods = list_modified('index-only');
+ @mods = grep { !($_->{BINARY}) } @mods;
+ return if (!@mods);
+ my (@them) = list_and_choose({ PROMPT => __('Review diff'),
+ IMMEDIATE => 1,
+ HEADER => $status_head, },
+ @mods);
+ return if (!@them);
+ my $reference = (is_initial_commit()) ? get_empty_tree() : 'HEAD';
+ system(qw(git diff -p --cached), $reference, '--',
+ map { $_->{VALUE} } @them);
+}
+
+sub quit_cmd {
+ print __("Bye.\n");
+ exit(0);
+}
+
+sub help_cmd {
+# TRANSLATORS: please do not translate the command names
+# 'status', 'update', 'revert', etc.
+ print colored $help_color, __ <<'EOF' ;
+status - show paths with changes
+update - add working tree state to the staged set of changes
+revert - revert staged set of changes back to the HEAD version
+patch - pick hunks and update selectively
+diff - view diff between HEAD and index
+add untracked - add contents of untracked files to the staged set of changes
+EOF
+}
+
+sub process_args {
+ return unless @ARGV;
+ my $arg = shift @ARGV;
+ if ($arg =~ /--patch(?:=(.*))?/) {
+ if (defined $1) {
+ if ($1 eq 'reset') {
+ $patch_mode = 'reset_head';
+ $patch_mode_revision = 'HEAD';
+ $arg = shift @ARGV or die __("missing --");
+ if ($arg ne '--') {
+ $patch_mode_revision = $arg;
+
+ # NEEDSWORK: Instead of comparing to the literal "HEAD",
+ # compare the commit objects instead so that other ways of
+ # saying the same thing (such as "@") are also handled
+ # appropriately.
+ #
+ # This applies to the cases below too.
+ $patch_mode = ($arg eq 'HEAD' ?
+ 'reset_head' : 'reset_nothead');
+ $arg = shift @ARGV or die __("missing --");
+ }
+ } elsif ($1 eq 'checkout') {
+ $arg = shift @ARGV or die __("missing --");
+ if ($arg eq '--') {
+ $patch_mode = 'checkout_index';
+ } else {
+ $patch_mode_revision = $arg;
+ $patch_mode = ($arg eq 'HEAD' ?
+ 'checkout_head' : 'checkout_nothead');
+ $arg = shift @ARGV or die __("missing --");
+ }
+ } elsif ($1 eq 'worktree') {
+ $arg = shift @ARGV or die __("missing --");
+ if ($arg eq '--') {
+ $patch_mode = 'checkout_index';
+ } else {
+ $patch_mode_revision = $arg;
+ $patch_mode = ($arg eq 'HEAD' ?
+ 'worktree_head' : 'worktree_nothead');
+ $arg = shift @ARGV or die __("missing --");
+ }
+ } elsif ($1 eq 'stage' or $1 eq 'stash') {
+ $patch_mode = $1;
+ $arg = shift @ARGV or die __("missing --");
+ } else {
+ die sprintf(__("unknown --patch mode: %s"), $1);
+ }
+ } else {
+ $patch_mode = 'stage';
+ $arg = shift @ARGV or die __("missing --");
+ }
+ die sprintf(__("invalid argument %s, expecting --"),
+ $arg) unless $arg eq "--";
+ %patch_mode_flavour = %{$patch_modes{$patch_mode}};
+ $patch_mode_only = 1;
+ }
+ elsif ($arg ne "--") {
+ die sprintf(__("invalid argument %s, expecting --"), $arg);
+ }
+}
+
+sub main_loop {
+ my @cmd = ([ 'status', \&status_cmd, ],
+ [ 'update', \&update_cmd, ],
+ [ 'revert', \&revert_cmd, ],
+ [ 'add untracked', \&add_untracked_cmd, ],
+ [ 'patch', \&patch_update_cmd, ],
+ [ 'diff', \&diff_cmd, ],
+ [ 'quit', \&quit_cmd, ],
+ [ 'help', \&help_cmd, ],
+ );
+ while (1) {
+ my ($it) = list_and_choose({ PROMPT => __('What now'),
+ SINGLETON => 1,
+ LIST_FLAT => 4,
+ HEADER => __('*** Commands ***'),
+ ON_EOF => \&quit_cmd,
+ IMMEDIATE => 1 }, @cmd);
+ if ($it) {
+ eval {
+ $it->[1]->();
+ };
+ if ($@) {
+ print "$@";
+ }
+ }
+ }
+}
+
+process_args();
+refresh();
+if ($patch_mode_only) {
+ patch_update_cmd();
+}
+else {
+ status_cmd();
+ main_loop();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 13:06:44 +0000