implements fish completion

Signed-off-by: Tin Lai <[email protected]>

Author: soraxas

Makefile

@@ -101,6 +101,8 @@ compgen: force
 	    $(SHARE)/completion.bash
 	perl pkg/bin/generate-completion.pl zsh $(DOC) $(LIB) > \
 	    $(SHARE)/zsh-completion/_git-subrepo
+	perl pkg/bin/generate-completion.pl fish $(DOC) $(LIB) > \
+	    $(SHARE)/git-subrepo.fish
 
 clean:
 	rm -fr tmp test/tmp

pkg/bin/generate-completion.pl

@@ -46,10 +46,15 @@ sub main {
     if ($cmd eq "bash") {
         generate_bash(\@list, \@subdir_cmds, \@options);
     }
-    else {
+    elsif ($cmd eq "zsh") {
         generate_zsh(\@list, \@subdir_cmds, \@options);
     }
-
+    elsif ($cmd eq "fish") {
+        generate_fish(\@list, \@subdir_cmds, \@options);
+    }
+    else {
+        die "Unknown shell: $cmd";
+    }
 }
 
 sub generate_zsh {
@@ -139,6 +144,68 @@ sub generate_zsh {
 ...
 }
 
+sub generate_fish {
+    my ($list, $subdir_cmds, $options) = @_;
+
+    print <<'...';
+# DO NOT EDIT. This file generated by pkg/bin/generate-completion.pl.
+
+function __fish_git_subrepo_subdirs
+    git subrepo status -q
+end
+
+complete -c git-subrepo -f
+...
+
+    # Add subcommands
+    print "complete -c git-subrepo -n '__fish_use_subcommand' -a '", join(" ", @$list), "'\n";
+
+    # Add options
+    for my $opt (@$options) {
+        my $keys = $opt->{keys};
+        my $desc = $opt->{desc};
+        $desc =~ s/'/'"'"'/g;
+
+        my @short_keys = grep { length $_ == 1 } @$keys;
+        my @long_keys = grep { length $_ > 1 } @$keys;
+        my $arg = $opt->{arg} ? " -r" : "";
+
+        if (@short_keys && @long_keys) {
+            # Has both short and long options
+            for my $i (0..$#long_keys) {
+                my $short = $short_keys[$i] // '';
+                my $long = $long_keys[$i];
+                if ($short) {
+                    print "complete -c git-subrepo -l $long -s $short -d '$desc'$arg\n";
+                } else {
+                    print "complete -c git-subrepo -l $long -d '$desc'$arg\n";
+                }
+            }
+        } else {
+            # Only short or only long options
+            for my $key (@$keys) {
+                if (length $key == 1) {
+                    print "complete -c git-subrepo -s $key -d '$desc'$arg\n";
+                } else {
+                    print "complete -c git-subrepo -l $key -d '$desc'$arg\n";
+                }
+            }
+        }
+    }
+
+    # Add subdir commands completion
+    for my $cmd (@$subdir_cmds) {
+        print <<"...";
+complete -c git-subrepo -n '__fish_git_using_command $cmd' -a '(__fish_git_subrepo_subdirs)'
+...
+    }
+
+    # Special handling for clone command which add folders and git remotes
+    print <<'...';
+complete -c git-subrepo -F -n '__fish_git_using_command clone' -a '(__fish_git_remotes)' -d 'Repository to clone from'
+...
+}
+
 sub generate_bash {
 
     my ($list, $subdir_cmds, $options, $complete_fetch_limit) = @_;

share/git-subrepo.fish

@@ -0,0 +1,36 @@
+# DO NOT EDIT. This file generated by pkg/bin/generate-completion.pl.
+
+function __fish_git_subrepo_subdirs
+    git subrepo status -q
+end
+
+complete -c git-subrepo -f
+complete -c git-subrepo -n '__fish_use_subcommand' -a 'branch clean clone commit config fetch help init pull push status upgrade version'
+complete -c git-subrepo -s h -d 'Show the command summary'
+complete -c git-subrepo -l help -d 'Help overview'
+complete -c git-subrepo -l version -d 'Print the git-subrepo version number'
+complete -c git-subrepo -l all -s a -d 'Perform command on all current subrepos'
+complete -c git-subrepo -l ALL -s A -d 'Perform command on all subrepos and subsubrepos'
+complete -c git-subrepo -l branch -s b -d 'Specify the upstream branch to push/pull/fetch' -r
+complete -c git-subrepo -l edit -s e -d 'Edit commit message'
+complete -c git-subrepo -l force -s f -d 'Force certain operations'
+complete -c git-subrepo -l fetch -s F -d 'Fetch the upstream content first'
+complete -c git-subrepo -l method -s M -d 'Join method: '"'"'merge'"'"' (default) or '"'"'rebase'"'"'' -r
+complete -c git-subrepo -l message -s m -d 'Specify a commit message' -r
+complete -c git-subrepo -l file -d 'Specify a commit message file' -r
+complete -c git-subrepo -l remote -s r -d 'Specify the upstream remote to push/pull/fetch' -r
+complete -c git-subrepo -l squash -s s -d 'Squash commits on push'
+complete -c git-subrepo -l update -s u -d 'Add the --branch and/or --remote overrides to .gitrepo'
+complete -c git-subrepo -l quiet -s q -d 'Show minimal output'
+complete -c git-subrepo -l verbose -s v -d 'Show verbose output'
+complete -c git-subrepo -l debug -s d -d 'Show the actual commands used'
+complete -c git-subrepo -l DEBUG -s x -d 'Turn on -x Bash debugging'
+complete -c git-subrepo -n '__fish_git_using_command branch' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command clean' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command commit' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command config' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command fetch' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command pull' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command push' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -n '__fish_git_using_command status' -a '(__fish_git_subrepo_subdirs)'
+complete -c git-subrepo -F -n '__fish_git_using_command clone' -a '(__fish_git_remotes)' -d 'Repository to clone from'