Start work on porting diff kitten

kittens/diff/main.py

@@ -708,6 +708,7 @@ elif __name__ == '__doc__':
     cd['usage'] = usage
     cd['options'] = OPTIONS
     cd['help_text'] = help_text
+    cd['short_desc'] = 'Pretty, side-by-side diffing of files and images'
     cd['args_completion'] = CompletionSpec.from_string('type:file mime:text/* mime:image/* group:"Text and image files"')
 elif __name__ == '__conf__':
     from .options.definition import definition

kittens/diff/options/definition.py

@@ -21,10 +21,11 @@ mma = definition.add_mouse_map
 agr('diff', 'Diffing')
 
 opt('syntax_aliases', 'pyj:py pyi:py recipe:py',
-    option_type='syntax_aliases',
+    option_type='syntax_aliases', ctype='strdict_ _:',
     long_text='''
 File extension aliases for syntax highlight. For example, to syntax highlight
 :file:`file.xyz` as :file:`file.abc` use a setting of :code:`xyz:abc`.
+Multiple aliases must be separated by spaces.
 '''
     )
 
@@ -47,7 +48,7 @@ opt('replace_tab_by', '\\x20\\x20\\x20\\x20',
     long_text='The string to replace tabs with. Default is to use four spaces.'
     )
 
-opt('+ignore_name', '',
+opt('+ignore_name', '', ctype='string',
     option_type='store_multiple',
     add_to_default=False,
     long_text='''

shell-integration/ssh/kitty

@@ -24,7 +24,7 @@ exec_kitty() {
 
 
 is_wrapped_kitten() {
-    wrapped_kittens="clipboard icat hyperlinked_grep ask hints unicode_input ssh themes"
+    wrapped_kittens="clipboard icat hyperlinked_grep ask hints unicode_input ssh themes diff"
     [ -n "$1" ] && {
         case " $wrapped_kittens " in
             *" $1 "*) printf "%s" "$1" ;;

tools/cmd/diff/main.go

@@ -0,0 +1,19 @@
+// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
+
+package diff
+
+import (
+	"fmt"
+
+	"kitty/tools/cli"
+)
+
+var _ = fmt.Print
+
+func main(_ *cli.Command, opts *Options, args []string) (rc int, err error) {
+	return
+}
+
+func EntryPoint(parent *cli.Command) {
+	create_cmd(parent, main)
+}

tools/cmd/tool/main.go

@@ -9,6 +9,7 @@ import (
 	"kitty/tools/cmd/ask"
 	"kitty/tools/cmd/at"
 	"kitty/tools/cmd/clipboard"
+	"kitty/tools/cmd/diff"
 	"kitty/tools/cmd/edit_in_kitty"
 	"kitty/tools/cmd/hints"
 	"kitty/tools/cmd/hyperlinked_grep"
@@ -46,6 +47,8 @@ func KittyToolEntryPoints(root *cli.Command) {
 	ask.EntryPoint(root)
 	// hints
 	hints.EntryPoint(root)
+	// hints
+	diff.EntryPoint(root)
 	// themes
 	themes.EntryPoint(root)
 	// __pytest__