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https://github.com/git/git
synced 2024-08-28 12:09:19 +00:00
![William Pursell](/assets/img/avatar_default.png)
When a minor change is made while the working directory is in a bit of a mess, it is somewhat difficult to wade through all of the hunks using git add --patch. This allows one to jump to the hunk that needs to be staged without having to respond 'n' to each preceding hunk. Signed-off-by: William Pursell <bill.pursell@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1179 lines
25 KiB
Perl
Executable file
1179 lines
25 KiB
Perl
Executable file
#!/usr/bin/perl -w
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use strict;
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use Git;
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my $repo = Git->repository();
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my $menu_use_color = $repo->get_colorbool('color.interactive');
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my ($prompt_color, $header_color, $help_color) =
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$menu_use_color ? (
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$repo->get_color('color.interactive.prompt', 'bold blue'),
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$repo->get_color('color.interactive.header', 'bold'),
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$repo->get_color('color.interactive.help', 'red bold'),
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) : ();
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my $diff_use_color = $repo->get_colorbool('color.diff');
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my ($fraginfo_color) =
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$diff_use_color ? (
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$repo->get_color('color.diff.frag', 'cyan'),
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) : ();
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my ($diff_plain_color) =
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$diff_use_color ? (
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$repo->get_color('color.diff.plain', ''),
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) : ();
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my ($diff_old_color) =
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$diff_use_color ? (
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$repo->get_color('color.diff.old', 'red'),
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) : ();
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my ($diff_new_color) =
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$diff_use_color ? (
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$repo->get_color('color.diff.new', 'green'),
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) : ();
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my $normal_color = $repo->get_color("", "reset");
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sub colored {
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my $color = shift;
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my $string = join("", @_);
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if (defined $color) {
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# Put a color code at the beginning of each line, a reset at the end
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# color after newlines that are not at the end of the string
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$string =~ s/(\n+)(.)/$1$color$2/g;
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# reset before newlines
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$string =~ s/(\n+)/$normal_color$1/g;
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# codes at beginning and end (if necessary):
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$string =~ s/^/$color/;
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$string =~ s/$/$normal_color/ unless $string =~ /\n$/;
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}
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return $string;
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}
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# command line options
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my $patch_mode;
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sub run_cmd_pipe {
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if ($^O eq 'MSWin32' || $^O eq 'msys') {
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my @invalid = grep {m/[":*]/} @_;
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die "$^O does not support: @invalid\n" if @invalid;
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my @args = map { m/ /o ? "\"$_\"": $_ } @_;
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return qx{@args};
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} else {
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my $fh = undef;
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open($fh, '-|', @_) or die;
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return <$fh>;
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}
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}
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my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir));
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if (!defined $GIT_DIR) {
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exit(1); # rev-parse would have already said "not a git repo"
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}
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chomp($GIT_DIR);
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sub refresh {
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my $fh;
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open $fh, 'git update-index --refresh |'
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or die;
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while (<$fh>) {
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;# ignore 'needs update'
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}
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close $fh;
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}
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sub list_untracked {
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map {
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chomp $_;
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$_;
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}
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run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV);
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}
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my $status_fmt = '%12s %12s %s';
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my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path');
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{
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my $initial;
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sub is_initial_commit {
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$initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0
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unless defined $initial;
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return $initial;
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}
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}
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sub get_empty_tree {
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return '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
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}
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# Returns list of hashes, contents of each of which are:
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# VALUE: pathname
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# BINARY: is a binary path
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# INDEX: is index different from HEAD?
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# FILE: is file different from index?
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# INDEX_ADDDEL: is it add/delete between HEAD and index?
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# FILE_ADDDEL: is it add/delete between index and file?
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sub list_modified {
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my ($only) = @_;
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my (%data, @return);
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my ($add, $del, $adddel, $file);
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my @tracked = ();
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if (@ARGV) {
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@tracked = map {
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chomp $_; $_;
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} run_cmd_pipe(qw(git ls-files --exclude-standard --), @ARGV);
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return if (!@tracked);
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}
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my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD';
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for (run_cmd_pipe(qw(git diff-index --cached
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--numstat --summary), $reference,
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'--', @tracked)) {
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if (($add, $del, $file) =
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/^([-\d]+) ([-\d]+) (.*)/) {
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my ($change, $bin);
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if ($add eq '-' && $del eq '-') {
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$change = 'binary';
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$bin = 1;
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}
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else {
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$change = "+$add/-$del";
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}
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$data{$file} = {
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INDEX => $change,
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BINARY => $bin,
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FILE => 'nothing',
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}
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}
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elsif (($adddel, $file) =
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/^ (create|delete) mode [0-7]+ (.*)$/) {
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$data{$file}{INDEX_ADDDEL} = $adddel;
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}
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}
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for (run_cmd_pipe(qw(git diff-files --numstat --summary --), @tracked)) {
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if (($add, $del, $file) =
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/^([-\d]+) ([-\d]+) (.*)/) {
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if (!exists $data{$file}) {
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$data{$file} = +{
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INDEX => 'unchanged',
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BINARY => 0,
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};
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}
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my ($change, $bin);
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if ($add eq '-' && $del eq '-') {
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$change = 'binary';
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$bin = 1;
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}
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else {
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$change = "+$add/-$del";
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}
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$data{$file}{FILE} = $change;
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if ($bin) {
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$data{$file}{BINARY} = 1;
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}
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}
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elsif (($adddel, $file) =
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/^ (create|delete) mode [0-7]+ (.*)$/) {
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$data{$file}{FILE_ADDDEL} = $adddel;
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}
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}
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for (sort keys %data) {
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my $it = $data{$_};
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if ($only) {
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if ($only eq 'index-only') {
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next if ($it->{INDEX} eq 'unchanged');
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}
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if ($only eq 'file-only') {
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next if ($it->{FILE} eq 'nothing');
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}
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}
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push @return, +{
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VALUE => $_,
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%$it,
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};
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}
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return @return;
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}
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sub find_unique {
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my ($string, @stuff) = @_;
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my $found = undef;
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for (my $i = 0; $i < @stuff; $i++) {
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my $it = $stuff[$i];
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my $hit = undef;
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if (ref $it) {
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if ((ref $it) eq 'ARRAY') {
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$it = $it->[0];
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}
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else {
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$it = $it->{VALUE};
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}
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}
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eval {
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if ($it =~ /^$string/) {
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$hit = 1;
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};
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};
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if (defined $hit && defined $found) {
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return undef;
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}
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if ($hit) {
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$found = $i + 1;
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}
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}
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return $found;
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}
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# inserts string into trie and updates count for each character
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sub update_trie {
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my ($trie, $string) = @_;
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foreach (split //, $string) {
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$trie = $trie->{$_} ||= {COUNT => 0};
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$trie->{COUNT}++;
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}
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}
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# returns an array of tuples (prefix, remainder)
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sub find_unique_prefixes {
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my @stuff = @_;
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my @return = ();
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# any single prefix exceeding the soft limit is omitted
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# if any prefix exceeds the hard limit all are omitted
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# 0 indicates no limit
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my $soft_limit = 0;
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my $hard_limit = 3;
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# build a trie modelling all possible options
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my %trie;
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foreach my $print (@stuff) {
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if ((ref $print) eq 'ARRAY') {
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$print = $print->[0];
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}
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elsif ((ref $print) eq 'HASH') {
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$print = $print->{VALUE};
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}
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update_trie(\%trie, $print);
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push @return, $print;
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}
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# use the trie to find the unique prefixes
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for (my $i = 0; $i < @return; $i++) {
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my $ret = $return[$i];
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my @letters = split //, $ret;
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my %search = %trie;
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my ($prefix, $remainder);
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my $j;
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for ($j = 0; $j < @letters; $j++) {
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my $letter = $letters[$j];
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if ($search{$letter}{COUNT} == 1) {
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$prefix = substr $ret, 0, $j + 1;
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$remainder = substr $ret, $j + 1;
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last;
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}
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else {
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my $prefix = substr $ret, 0, $j;
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return ()
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if ($hard_limit && $j + 1 > $hard_limit);
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}
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%search = %{$search{$letter}};
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}
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if ($soft_limit && $j + 1 > $soft_limit) {
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$prefix = undef;
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$remainder = $ret;
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}
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$return[$i] = [$prefix, $remainder];
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}
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return @return;
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}
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# filters out prefixes which have special meaning to list_and_choose()
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sub is_valid_prefix {
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my $prefix = shift;
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return (defined $prefix) &&
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!($prefix =~ /[\s,]/) && # separators
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!($prefix =~ /^-/) && # deselection
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!($prefix =~ /^\d+/) && # selection
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($prefix ne '*') && # "all" wildcard
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($prefix ne '?'); # prompt help
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}
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# given a prefix/remainder tuple return a string with the prefix highlighted
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# for now use square brackets; later might use ANSI colors (underline, bold)
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sub highlight_prefix {
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my $prefix = shift;
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my $remainder = shift;
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if (!defined $prefix) {
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return $remainder;
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}
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if (!is_valid_prefix($prefix)) {
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return "$prefix$remainder";
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}
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if (!$menu_use_color) {
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return "[$prefix]$remainder";
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}
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return "$prompt_color$prefix$normal_color$remainder";
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}
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sub list_and_choose {
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my ($opts, @stuff) = @_;
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my (@chosen, @return);
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my $i;
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my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY};
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TOPLOOP:
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while (1) {
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my $last_lf = 0;
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if ($opts->{HEADER}) {
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if (!$opts->{LIST_FLAT}) {
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print " ";
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}
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print colored $header_color, "$opts->{HEADER}\n";
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}
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for ($i = 0; $i < @stuff; $i++) {
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my $chosen = $chosen[$i] ? '*' : ' ';
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my $print = $stuff[$i];
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my $ref = ref $print;
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my $highlighted = highlight_prefix(@{$prefixes[$i]})
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if @prefixes;
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if ($ref eq 'ARRAY') {
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$print = $highlighted || $print->[0];
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}
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elsif ($ref eq 'HASH') {
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my $value = $highlighted || $print->{VALUE};
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$print = sprintf($status_fmt,
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$print->{INDEX},
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$print->{FILE},
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$value);
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}
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else {
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$print = $highlighted || $print;
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}
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printf("%s%2d: %s", $chosen, $i+1, $print);
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if (($opts->{LIST_FLAT}) &&
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(($i + 1) % ($opts->{LIST_FLAT}))) {
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print "\t";
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$last_lf = 0;
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}
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else {
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print "\n";
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$last_lf = 1;
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}
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}
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if (!$last_lf) {
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print "\n";
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}
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return if ($opts->{LIST_ONLY});
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print colored $prompt_color, $opts->{PROMPT};
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if ($opts->{SINGLETON}) {
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print "> ";
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}
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else {
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print ">> ";
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}
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my $line = <STDIN>;
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if (!$line) {
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print "\n";
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$opts->{ON_EOF}->() if $opts->{ON_EOF};
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last;
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}
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chomp $line;
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last if $line eq '';
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if ($line eq '?') {
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$opts->{SINGLETON} ?
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singleton_prompt_help_cmd() :
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prompt_help_cmd();
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next TOPLOOP;
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}
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for my $choice (split(/[\s,]+/, $line)) {
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my $choose = 1;
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my ($bottom, $top);
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# Input that begins with '-'; unchoose
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if ($choice =~ s/^-//) {
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$choose = 0;
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}
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# A range can be specified like 5-7 or 5-.
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if ($choice =~ /^(\d+)-(\d*)$/) {
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($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff);
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}
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elsif ($choice =~ /^\d+$/) {
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$bottom = $top = $choice;
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}
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elsif ($choice eq '*') {
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$bottom = 1;
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$top = 1 + @stuff;
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}
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else {
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$bottom = $top = find_unique($choice, @stuff);
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if (!defined $bottom) {
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print "Huh ($choice)?\n";
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next TOPLOOP;
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}
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}
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if ($opts->{SINGLETON} && $bottom != $top) {
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print "Huh ($choice)?\n";
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next TOPLOOP;
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}
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for ($i = $bottom-1; $i <= $top-1; $i++) {
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next if (@stuff <= $i || $i < 0);
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$chosen[$i] = $choose;
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}
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}
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last if ($opts->{IMMEDIATE} || $line eq '*');
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}
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for ($i = 0; $i < @stuff; $i++) {
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if ($chosen[$i]) {
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push @return, $stuff[$i];
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}
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}
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return @return;
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}
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sub singleton_prompt_help_cmd {
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print colored $help_color, <<\EOF ;
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Prompt help:
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1 - select a numbered item
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foo - select item based on unique prefix
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- (empty) select nothing
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EOF
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}
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sub prompt_help_cmd {
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print colored $help_color, <<\EOF ;
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Prompt help:
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1 - select a single item
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3-5 - select a range of items
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2-3,6-9 - select multiple ranges
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foo - select item based on unique prefix
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-... - unselect specified items
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* - choose all items
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- (empty) finish selecting
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EOF
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}
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sub status_cmd {
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list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
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list_modified());
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print "\n";
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}
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sub say_n_paths {
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my $did = shift @_;
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my $cnt = scalar @_;
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print "$did ";
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if (1 < $cnt) {
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print "$cnt paths\n";
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}
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else {
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print "one path\n";
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}
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}
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sub update_cmd {
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my @mods = list_modified('file-only');
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return if (!@mods);
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my @update = list_and_choose({ PROMPT => 'Update',
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HEADER => $status_head, },
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@mods);
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if (@update) {
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system(qw(git update-index --add --remove --),
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map { $_->{VALUE} } @update);
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say_n_paths('updated', @update);
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}
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print "\n";
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}
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sub revert_cmd {
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my @update = list_and_choose({ PROMPT => 'Revert',
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HEADER => $status_head, },
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list_modified());
|
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if (@update) {
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if (is_initial_commit()) {
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system(qw(git rm --cached),
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map { $_->{VALUE} } @update);
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}
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else {
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my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
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map { $_->{VALUE} } @update);
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my $fh;
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open $fh, '| git update-index --index-info'
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or die;
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for (@lines) {
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print $fh $_;
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}
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close($fh);
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for (@update) {
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if ($_->{INDEX_ADDDEL} &&
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$_->{INDEX_ADDDEL} eq 'create') {
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system(qw(git update-index --force-remove --),
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$_->{VALUE});
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print "note: $_->{VALUE} is untracked now.\n";
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}
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}
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}
|
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refresh();
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say_n_paths('reverted', @update);
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}
|
|
print "\n";
|
|
}
|
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|
|
sub add_untracked_cmd {
|
|
my @add = list_and_choose({ PROMPT => 'Add untracked' },
|
|
list_untracked());
|
|
if (@add) {
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system(qw(git update-index --add --), @add);
|
|
say_n_paths('added', @add);
|
|
}
|
|
print "\n";
|
|
}
|
|
|
|
sub parse_diff {
|
|
my ($path) = @_;
|
|
my @diff = run_cmd_pipe(qw(git diff-files -p --), $path);
|
|
my @colored = ();
|
|
if ($diff_use_color) {
|
|
@colored = run_cmd_pipe(qw(git diff-files -p --color --), $path);
|
|
}
|
|
my (@hunk) = { TEXT => [], DISPLAY => [] };
|
|
|
|
for (my $i = 0; $i < @diff; $i++) {
|
|
if ($diff[$i] =~ /^@@ /) {
|
|
push @hunk, { TEXT => [], DISPLAY => [] };
|
|
}
|
|
push @{$hunk[-1]{TEXT}}, $diff[$i];
|
|
push @{$hunk[-1]{DISPLAY}},
|
|
($diff_use_color ? $colored[$i] : $diff[$i]);
|
|
}
|
|
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) = @_;
|
|
|
|
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, $n_cnt);
|
|
}
|
|
|
|
sub split_hunk {
|
|
my ($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 => [],
|
|
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 ($line =~ /^ /) {
|
|
if ($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 $head = ("@@ -$o_ofs" .
|
|
(($o_cnt != 1) ? ",$o_cnt" : '') .
|
|
" +$n_ofs" .
|
|
(($n_cnt != 1) ? ",$n_cnt" : '') .
|
|
" @@\n");
|
|
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 color_diff {
|
|
return map {
|
|
colored((/^@/ ? $fraginfo_color :
|
|
/^\+/ ? $diff_new_color :
|
|
/^-/ ? $diff_old_color :
|
|
$diff_plain_color),
|
|
$_);
|
|
} @_;
|
|
}
|
|
|
|
sub edit_hunk_manually {
|
|
my ($oldtext) = @_;
|
|
|
|
my $hunkfile = $repo->repo_path . "/addp-hunk-edit.diff";
|
|
my $fh;
|
|
open $fh, '>', $hunkfile
|
|
or die "failed to open hunk edit file for writing: " . $!;
|
|
print $fh "# Manual hunk edit mode -- see bottom for a quick guide\n";
|
|
print $fh @$oldtext;
|
|
print $fh <<EOF;
|
|
# ---
|
|
# To remove '-' lines, make them ' ' lines (context).
|
|
# To remove '+' lines, delete them.
|
|
# Lines starting with # will be removed.
|
|
#
|
|
# If the patch applies cleanly, the edited hunk will immediately be
|
|
# marked for staging. 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.
|
|
EOF
|
|
close $fh;
|
|
|
|
my $editor = $ENV{GIT_EDITOR} || $repo->config("core.editor")
|
|
|| $ENV{VISUAL} || $ENV{EDITOR} || "vi";
|
|
system('sh', '-c', $editor.' "$@"', $editor, $hunkfile);
|
|
|
|
open $fh, '<', $hunkfile
|
|
or die "failed to open hunk edit file for reading: " . $!;
|
|
my @newtext = grep { !/^#/ } <$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 {
|
|
my $fh;
|
|
open $fh, '| git apply --recount --cached --check';
|
|
for my $h (@_) {
|
|
print $fh @{$h->{TEXT}};
|
|
}
|
|
return close $fh;
|
|
}
|
|
|
|
sub prompt_yesno {
|
|
my ($prompt) = @_;
|
|
while (1) {
|
|
print colored $prompt_color, $prompt;
|
|
my $line = <STDIN>;
|
|
return 0 if $line =~ /^n/i;
|
|
return 1 if $line =~ /^y/i;
|
|
}
|
|
}
|
|
|
|
sub edit_hunk_loop {
|
|
my ($head, $hunk, $ix) = @_;
|
|
my $text = $hunk->[$ix]->{TEXT};
|
|
|
|
while (1) {
|
|
$text = edit_hunk_manually($text);
|
|
if (!defined $text) {
|
|
return undef;
|
|
}
|
|
my $newhunk = { TEXT => $text, USE => 1 };
|
|
if (diff_applies($head,
|
|
@{$hunk}[0..$ix-1],
|
|
$newhunk,
|
|
@{$hunk}[$ix+1..$#{$hunk}])) {
|
|
$newhunk->{DISPLAY} = [color_diff(@{$text})];
|
|
return $newhunk;
|
|
}
|
|
else {
|
|
prompt_yesno(
|
|
'Your edited hunk does not apply. Edit again '
|
|
. '(saying "no" discards!) [y/n]? '
|
|
) or return undef;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub help_patch_cmd {
|
|
print colored $help_color, <<\EOF ;
|
|
y - stage this hunk
|
|
n - do not stage this hunk
|
|
a - stage this and all the remaining hunks in the file
|
|
d - do not stage this hunk nor any of the remaining hunks in the file
|
|
g - select a hunk to go to
|
|
j - leave this hunk undecided, see next undecided hunk
|
|
J - leave this hunk undecided, see next hunk
|
|
k - leave this hunk undecided, see previous undecided hunk
|
|
K - leave this hunk undecided, see previous hunk
|
|
s - split the current hunk into smaller hunks
|
|
e - manually edit the current hunk
|
|
? - print help
|
|
EOF
|
|
}
|
|
|
|
sub patch_update_cmd {
|
|
my @all_mods = list_modified('file-only');
|
|
my @mods = grep { !($_->{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) {
|
|
@them = @mods;
|
|
}
|
|
else {
|
|
@them = list_and_choose({ PROMPT => 'Patch update',
|
|
HEADER => $status_head, },
|
|
@mods);
|
|
}
|
|
for (@them) {
|
|
patch_update_file($_->{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 wih 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 $i;
|
|
}
|
|
|
|
sub patch_update_file {
|
|
my ($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;
|
|
$ix = 0;
|
|
|
|
while (1) {
|
|
my ($prev, $next, $other, $undecided, $i);
|
|
$other = '';
|
|
|
|
if ($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);
|
|
|
|
if (hunk_splittable($hunk[$ix]{TEXT})) {
|
|
$other .= '/s';
|
|
}
|
|
$other .= '/e';
|
|
for (@{$hunk[$ix]{DISPLAY}}) {
|
|
print;
|
|
}
|
|
print colored $prompt_color, "Stage this hunk [y/n/a/d$other/?]? ";
|
|
my $line = <STDIN>;
|
|
if ($line) {
|
|
if ($line =~ /^y/i) {
|
|
$hunk[$ix]{USE} = 1;
|
|
}
|
|
elsif ($line =~ /^n/i) {
|
|
$hunk[$ix]{USE} = 0;
|
|
}
|
|
elsif ($line =~ /^a/i) {
|
|
while ($ix < $num) {
|
|
if (!defined $hunk[$ix]{USE}) {
|
|
$hunk[$ix]{USE} = 1;
|
|
}
|
|
$ix++;
|
|
}
|
|
next;
|
|
}
|
|
elsif ($other =~ /g/ && $line =~ /^g(.*)/) {
|
|
my $response = $1;
|
|
my $no = $ix > 10 ? $ix - 10 : 0;
|
|
while ($response eq '') {
|
|
my $extra = "";
|
|
$no = display_hunks(\@hunk, $no);
|
|
if ($no < $num) {
|
|
$extra = " (<ret> to see more)";
|
|
}
|
|
print "go to which hunk$extra? ";
|
|
$response = <STDIN>;
|
|
chomp $response;
|
|
}
|
|
if ($response !~ /^\s*\d+\s*$/) {
|
|
print STDERR "Invalid number: '$response'\n";
|
|
} elsif (0 < $response && $response <= $num) {
|
|
$ix = $response - 1;
|
|
} else {
|
|
print STDERR "Sorry, only $num hunks available.\n";
|
|
}
|
|
next;
|
|
}
|
|
elsif ($line =~ /^d/i) {
|
|
while ($ix < $num) {
|
|
if (!defined $hunk[$ix]{USE}) {
|
|
$hunk[$ix]{USE} = 0;
|
|
}
|
|
$ix++;
|
|
}
|
|
next;
|
|
}
|
|
elsif ($other =~ /K/ && $line =~ /^K/) {
|
|
$ix--;
|
|
next;
|
|
}
|
|
elsif ($other =~ /J/ && $line =~ /^J/) {
|
|
$ix++;
|
|
next;
|
|
}
|
|
elsif ($other =~ /k/ && $line =~ /^k/) {
|
|
while (1) {
|
|
$ix--;
|
|
last if (!$ix ||
|
|
!defined $hunk[$ix]{USE});
|
|
}
|
|
next;
|
|
}
|
|
elsif ($other =~ /j/ && $line =~ /^j/) {
|
|
while (1) {
|
|
$ix++;
|
|
last if ($ix >= $num ||
|
|
!defined $hunk[$ix]{USE});
|
|
}
|
|
next;
|
|
}
|
|
elsif ($other =~ /s/ && $line =~ /^s/) {
|
|
my @split = split_hunk($hunk[$ix]{TEXT}, $hunk[$ix]{DISPLAY});
|
|
if (1 < @split) {
|
|
print colored $header_color, "Split into ",
|
|
scalar(@split), " hunks.\n";
|
|
}
|
|
splice (@hunk, $ix, 1, @split);
|
|
$num = scalar @hunk;
|
|
next;
|
|
}
|
|
elsif ($line =~ /^e/) {
|
|
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});
|
|
}
|
|
}
|
|
}
|
|
|
|
my $n_lofs = 0;
|
|
my @result = ();
|
|
if ($mode->{USE}) {
|
|
push @result, @{$mode->{TEXT}};
|
|
}
|
|
for (@hunk) {
|
|
if ($_->{USE}) {
|
|
push @result, @{$_->{TEXT}};
|
|
}
|
|
}
|
|
|
|
if (@result) {
|
|
my $fh;
|
|
|
|
open $fh, '| git apply --cached --recount';
|
|
for (@{$head->{TEXT}}, @result) {
|
|
print $fh $_;
|
|
}
|
|
if (!close $fh) {
|
|
for (@{$head->{TEXT}}, @result) {
|
|
print STDERR $_;
|
|
}
|
|
}
|
|
refresh();
|
|
}
|
|
|
|
print "\n";
|
|
}
|
|
|
|
sub diff_cmd {
|
|
my @mods = list_modified('index-only');
|
|
@mods = grep { !($_->{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 {
|
|
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 eq "--patch") {
|
|
$patch_mode = 1;
|
|
$arg = shift @ARGV or die "missing --";
|
|
die "invalid argument $arg, expecting --"
|
|
unless $arg eq "--";
|
|
}
|
|
elsif ($arg ne "--") {
|
|
die "invalid argument $arg, expecting --";
|
|
}
|
|
}
|
|
|
|
sub main_loop {
|
|
my @cmd = ([ 'status', \&status_cmd, ],
|
|
[ 'update', \&update_cmd, ],
|
|
[ 'revert', \&revert_cmd, ],
|
|
[ 'add untracked', \&add_untracked_cmd, ],
|
|
[ 'patch', \&patch_update_cmd, ],
|
|
[ 'diff', \&diff_cmd, ],
|
|
[ 'quit', \&quit_cmd, ],
|
|
[ 'help', \&help_cmd, ],
|
|
);
|
|
while (1) {
|
|
my ($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) {
|
|
patch_update_cmd();
|
|
}
|
|
else {
|
|
status_cmd();
|
|
main_loop();
|
|
}
|