| #!/usr/bin/perl |
| |
| use 5.008; |
| use strict; |
| use warnings; |
| use Git; |
| |
| 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_plain_color) = |
| $diff_use_color ? ( |
| $repo->get_color('color.diff.plain', ''), |
| ) : (); |
| my ($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 $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; |
| }; |
| 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; |
| 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', |
| VERB => 'Stage', |
| TARGET => '', |
| PARTICIPLE => 'staging', |
| FILTER => 'file-only', |
| IS_REVERSE => 0, |
| }, |
| 'stash' => { |
| DIFF => 'diff-index -p HEAD', |
| APPLY => sub { apply_patch 'apply --cached', @_; }, |
| APPLY_CHECK => 'apply --cached', |
| VERB => 'Stash', |
| TARGET => '', |
| PARTICIPLE => 'stashing', |
| FILTER => undef, |
| IS_REVERSE => 0, |
| }, |
| 'reset_head' => { |
| DIFF => 'diff-index -p --cached', |
| APPLY => sub { apply_patch 'apply -R --cached', @_; }, |
| APPLY_CHECK => 'apply -R --cached', |
| VERB => 'Unstage', |
| TARGET => '', |
| PARTICIPLE => 'unstaging', |
| FILTER => 'index-only', |
| IS_REVERSE => 1, |
| }, |
| 'reset_nothead' => { |
| DIFF => 'diff-index -R -p --cached', |
| APPLY => sub { apply_patch 'apply --cached', @_; }, |
| APPLY_CHECK => 'apply --cached', |
| VERB => 'Apply', |
| TARGET => ' to index', |
| PARTICIPLE => 'applying', |
| FILTER => 'index-only', |
| IS_REVERSE => 0, |
| }, |
| 'checkout_index' => { |
| DIFF => 'diff-files -p', |
| APPLY => sub { apply_patch 'apply -R', @_; }, |
| APPLY_CHECK => 'apply -R', |
| VERB => 'Discard', |
| TARGET => ' from worktree', |
| PARTICIPLE => 'discarding', |
| FILTER => 'file-only', |
| IS_REVERSE => 1, |
| }, |
| 'checkout_head' => { |
| DIFF => 'diff-index -p', |
| APPLY => sub { apply_patch_for_checkout_commit '-R', @_ }, |
| APPLY_CHECK => 'apply -R', |
| VERB => 'Discard', |
| TARGET => ' from index and worktree', |
| PARTICIPLE => 'discarding', |
| FILTER => undef, |
| IS_REVERSE => 1, |
| }, |
| 'checkout_nothead' => { |
| DIFF => 'diff-index -R -p', |
| APPLY => sub { apply_patch_for_checkout_commit '', @_ }, |
| APPLY_CHECK => 'apply', |
| VERB => 'Apply', |
| TARGET => ' to index and worktree', |
| PARTICIPLE => 'applying', |
| FILTER => undef, |
| IS_REVERSE => 0, |
| }, |
| ); |
| |
| my %patch_mode_flavour = %{$patch_modes{stage}}; |
| |
| sub run_cmd_pipe { |
| if ($^O eq 'MSWin32' || $^O eq 'msys') { |
| my @invalid = grep {m/[":*]/} @_; |
| die "$^O does not support: @invalid\n" if @invalid; |
| my @args = map { m/ /o ? "\"$_\"": $_ } @_; |
| return qx{@args}; |
| } else { |
| my $fh = undef; |
| open($fh, '-|', @_) or die; |
| return <$fh>; |
| } |
| } |
| |
| my ($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); |
| |
| my %cquote_map = ( |
| "b" => chr(8), |
| "t" => chr(9), |
| "n" => chr(10), |
| "v" => chr(11), |
| "f" => chr(12), |
| "r" => chr(13), |
| "\\" => "\\", |
| "\042" => "\042", |
| ); |
| |
| sub unquote_path { |
| local ($_) = @_; |
| my ($retval, $remainder); |
| if (!/^\042(.*)\042$/) { |
| return $_; |
| } |
| ($_, $retval) = ($1, ""); |
| while (/^([^\\]*)\\(.*)$/) { |
| $remainder = $2; |
| $retval .= $1; |
| for ($remainder) { |
| if (/^([0-3][0-7][0-7])(.*)$/) { |
| $retval .= chr(oct($1)); |
| $_ = $2; |
| last; |
| } |
| if (/^([\\\042btnvfr])(.*)$/) { |
| $retval .= $cquote_map{$1}; |
| $_ = $2; |
| last; |
| } |
| # This is malformed -- just return it as-is for now. |
| return $_[0]; |
| } |
| $_ = $remainder; |
| } |
| $retval .= $_; |
| return $retval; |
| } |
| |
| 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); |
| } |
| |
| my $status_fmt = '%12s %12s %s'; |
| my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path'); |
| |
| { |
| my $initial; |
| sub is_initial_commit { |
| $initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0 |
| unless defined $initial; |
| return $initial; |
| } |
| } |
| |
| sub get_empty_tree { |
| return '4b825dc642cb6eb9a060e54bf8d69288fbee4904'; |
| } |
| |
| # Returns list of hashes, contents of each of which are: |
| # VALUE: pathname |
| # BINARY: is a binary path |
| # INDEX: is index different from HEAD? |
| # FILE: is file different from index? |
| # INDEX_ADDDEL: is it add/delete between HEAD and index? |
| # FILE_ADDDEL: is it add/delete between index and file? |
| # UNMERGED: is the path unmerged |
| |
| sub list_modified { |
| my ($only) = @_; |
| my (%data, @return); |
| my ($add, $del, $adddel, $file); |
| my @tracked = (); |
| |
| if (@ARGV) { |
| @tracked = map { |
| chomp $_; |
| unquote_path($_); |
| } run_cmd_pipe(qw(git ls-files --), @ARGV); |
| return if (!@tracked); |
| } |
| |
| my $reference; |
| if (defined $patch_mode_revision and $patch_mode_revision ne 'HEAD') { |
| $reference = $patch_mode_revision; |
| } elsif (is_initial_commit()) { |
| $reference = get_empty_tree(); |
| } else { |
| $reference = 'HEAD'; |
| } |
| for (run_cmd_pipe(qw(git diff-index --cached |
| --numstat --summary), $reference, |
| '--', @tracked)) { |
| if (($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} = $adddel; |
| } |
| } |
| |
| for (run_cmd_pipe(qw(git diff-files --numstat --summary --raw --), @tracked)) { |
| if (($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); |
| my $i; |
| my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY}; |
| |
| TOPLOOP: |
| while (1) { |
| my $last_lf = 0; |
| |
| if ($opts->{HEADER}) { |
| if (!$opts->{LIST_FLAT}) { |
| print " "; |
| } |
| print colored $header_color, "$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 $bottom) { |
| error_msg "Huh ($choice)?\n"; |
| next TOPLOOP; |
| } |
| } |
| if ($opts->{SINGLETON} && $bottom != $top) { |
| error_msg "Huh ($choice)?\n"; |
| 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 $cnt = scalar @_; |
| print "$did "; |
| if (1 < $cnt) { |
| print "$cnt paths\n"; |
| } |
| else { |
| print "one path\n"; |
| } |
| } |
| |
| 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}); |
| print "note: $_->{VALUE} is untracked now.\n"; |
| } |
| } |
| } |
| 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); |
| } |
| print "\n"; |
| } |
| |
| sub run_git_apply { |
| my $cmd = shift; |
| my $fh; |
| open $fh, '| git ' . $cmd . " --recount --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, $patch_mode_revision; |
| } |
| my @diff = run_cmd_pipe("git", @diff_cmd, "--", $path); |
| my @colored = (); |
| if ($diff_use_color) { |
| @colored = run_cmd_pipe("git", @diff_cmd, qw(--color --), $path); |
| } |
| my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' }; |
| |
| for (my $i = 0; $i < @diff; $i++) { |
| if ($diff[$i] =~ /^@@ /) { |
| push @hunk, { TEXT => [], DISPLAY => [], |
| TYPE => 'hunk' }; |
| } |
| push @{$hunk[-1]{TEXT}}, $diff[$i]; |
| push @{$hunk[-1]{DISPLAY}}, |
| ($diff_use_color ? $colored[$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' }; |
| |
| for (my $i = 0; $i < @{$src->{TEXT}}; $i++) { |
| 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, $deletion); |
| } |
| |
| sub hunk_splittable { |
| my ($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 => [], |
| 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 ($line =~ /^ /) { |
| if ($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}}, $display_head; |
| } |
| return @split; |
| } |
| |
| sub find_last_o_ctx { |
| my ($it) = @_; |
| my $text = $it->{TEXT}; |
| my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]); |
| my $i = @{$text}; |
| my $last_o_ctx = $o_ofs + $o_cnt; |
| while (0 < --$i) { |
| my $line = $text->[$i]; |
| if ($line =~ /^ /) { |
| $last_o_ctx--; |
| next; |
| } |
| last; |
| } |
| return $last_o_ctx; |
| } |
| |
| sub merge_hunk { |
| my ($prev, $this) = @_; |
| my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) = |
| parse_hunk_header($prev->{TEXT}[0]); |
| my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) = |
| parse_hunk_header($this->{TEXT}[0]); |
| |
| my (@line, $i, $ofs, $o_cnt, $n_cnt); |
| $ofs = $o0_ofs; |
| $o_cnt = $n_cnt = 0; |
| for ($i = 1; $i < @{$prev->{TEXT}}; $i++) { |
| my $line = $prev->{TEXT}[$i]; |
| if ($line =~ /^\+/) { |
| $n_cnt++; |
| push @line, $line; |
| next; |
| } |
| |
| last if ($o1_ofs <= $ofs); |
| |
| $o_cnt++; |
| $ofs++; |
| if ($line =~ /^ /) { |
| $n_cnt++; |
| } |
| push @line, $line; |
| } |
| |
| for ($i = 1; $i < @{$this->{TEXT}}; $i++) { |
| my $line = $this->{TEXT}[$i]; |
| if ($line =~ /^\+/) { |
| $n_cnt++; |
| push @line, $line; |
| next; |
| } |
| $ofs++; |
| $o_cnt++; |
| if ($line =~ /^ /) { |
| $n_cnt++; |
| } |
| push @line, $line; |
| } |
| my $head = ("@@ -$o0_ofs" . |
| (($o_cnt != 1) ? ",$o_cnt" : '') . |
| " +$n0_ofs" . |
| (($n_cnt != 1) ? ",$n_cnt" : '') . |
| " @@\n"); |
| @{$prev->{TEXT}} = ($head, @line); |
| } |
| |
| sub coalesce_overlapping_hunks { |
| my (@in) = @_; |
| my @out = (); |
| |
| my ($last_o_ctx, $last_was_dirty); |
| |
| for (grep { $_->{USE} } @in) { |
| if ($_->{TYPE} ne 'hunk') { |
| push @out, $_; |
| next; |
| } |
| my $text = $_->{TEXT}; |
| my ($o_ofs) = parse_hunk_header($text->[0]); |
| 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_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; |
| my $participle = $patch_mode_flavour{PARTICIPLE}; |
| my $is_reverse = $patch_mode_flavour{IS_REVERSE}; |
| my ($remove_plus, $remove_minus) = $is_reverse ? ('-', '+') : ('+', '-'); |
| print $fh <<EOF; |
| # --- |
| # To remove '$remove_minus' lines, make them ' ' lines (context). |
| # To remove '$remove_plus' lines, delete them. |
| # Lines starting with # will be removed. |
| # |
| # If the patch applies cleanly, the edited hunk will immediately be |
| # marked for $participle. 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; |
| |
| 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 "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, $oldtext->[0]; |
| } |
| return \@newtext; |
| } |
| |
| sub diff_applies { |
| return run_git_apply($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 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, |
| TYPE => $hunk->[$ix]->{TYPE}, |
| USE => 1, |
| DIRTY => 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 { |
| my $verb = lc $patch_mode_flavour{VERB}; |
| my $target = $patch_mode_flavour{TARGET}; |
| print colored $help_color, <<EOF ; |
| y - $verb this hunk$target |
| n - do not $verb this hunk$target |
| q - quit; do not $verb this hunk nor any of the remaining ones |
| a - $verb this hunk and all later hunks in the file |
| d - do not $verb this hunk nor any of the later hunks in the file |
| 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 "ignoring unmerged: $_->{VALUE}\n" |
| 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) { |
| @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; |
| } |
| |
| sub patch_update_file { |
| my $quit = 0; |
| my ($ix, $num); |
| my $path = shift; |
| my ($head, @hunk) = parse_diff($path); |
| ($head, my $mode, my $deletion) = parse_diff_header($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); |
| $other = ''; |
| |
| if ($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 ($hunk[$ix]{TYPE} eq 'hunk' && |
| hunk_splittable($hunk[$ix]{TEXT})) { |
| $other .= ',s'; |
| } |
| if ($hunk[$ix]{TYPE} eq 'hunk') { |
| $other .= ',e'; |
| } |
| for (@{$hunk[$ix]{DISPLAY}}) { |
| print; |
| } |
| print colored $prompt_color, $patch_mode_flavour{VERB}, |
| ($hunk[$ix]{TYPE} eq 'mode' ? ' mode change' : |
| $hunk[$ix]{TYPE} eq 'deletion' ? ' deletion' : |
| ' this hunk'), |
| $patch_mode_flavour{TARGET}, |
| " [y,n,q,a,d,/$other,?]? "; |
| my $line = prompt_single_character; |
| if ($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>; |
| if (!defined $response) { |
| $response = ''; |
| } |
| chomp $response; |
| } |
| if ($response !~ /^\s*\d+\s*$/) { |
| error_msg "Invalid number: '$response'\n"; |
| } elsif (0 < $response && $response <= $num) { |
| $ix = $response - 1; |
| } else { |
| error_msg "Sorry, only $num hunks available.\n"; |
| } |
| next; |
| } |
| elsif ($line =~ /^d/i) { |
| while ($ix < $num) { |
| if (!defined $hunk[$ix]{USE}) { |
| $hunk[$ix]{USE} = 0; |
| } |
| $ix++; |
| } |
| next; |
| } |
| elsif ($line =~ /^q/i) { |
| for ($i = 0; $i < $num; $i++) { |
| if (!defined $hunk[$i]{USE}) { |
| $hunk[$i]{USE} = 0; |
| } |
| } |
| $quit = 1; |
| last; |
| } |
| elsif ($line =~ m|^/(.*)|) { |
| my $regex = $1; |
| if ($1 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 "Malformed search regexp $exp: $err\n"; |
| 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 ($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); |
| $num = scalar @hunk; |
| next; |
| } |
| elsif ($other =~ /e/ && $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}); |
| } |
| } |
| } |
| |
| @hunk = coalesce_overlapping_hunks(@hunk); |
| |
| my $n_lofs = 0; |
| my @result = (); |
| for (@hunk) { |
| if ($_->{USE}) { |
| push @result, @{$_->{TEXT}}; |
| } |
| } |
| |
| if (@result) { |
| my @patch = reassemble_patch($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 { |
| 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; |
| $patch_mode = ($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 'stage' or $1 eq 'stash') { |
| $patch_mode = $1; |
| $arg = shift @ARGV or die "missing --"; |
| } else { |
| die "unknown --patch mode: $1"; |
| } |
| } else { |
| $patch_mode = 'stage'; |
| $arg = shift @ARGV or die "missing --"; |
| } |
| die "invalid argument $arg, expecting --" |
| unless $arg eq "--"; |
| %patch_mode_flavour = %{$patch_modes{$patch_mode}}; |
| } |
| elsif ($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(); |
| } |