feat: add a keybind to open current file in editor (#313)

* feat: add a keybind to open current file in default editor

---------

Signed-off-by: Wenxuan Zhang <[email protected]>
Co-authored-by: sandr01d <[email protected]>

Author: wfxr

README.md

@@ -116,20 +116,21 @@ Install `forgit` in just one click.
 
 ### ⌨  Keybinds
 
-| Key                                           | Action                    |
-| :-------------------------------------------: | ------------------------- |
-| <kbd>Enter</kbd>                              | Confirm                   |
-| <kbd>Tab</kbd>                                | Toggle mark and move down |
-| <kbd>Shift</kbd> - <kbd>Tab</kbd>             | Toggle mark and move up   |
-| <kbd>?</kbd>                                  | Toggle preview window     |
-| <kbd>Alt</kbd> - <kbd>W</kbd>                 | Toggle preview wrap       |
-| <kbd>Ctrl</kbd> - <kbd>S</kbd>                | Toggle sort               |
-| <kbd>Ctrl</kbd> - <kbd>R</kbd>                | Toggle selection          |
-| <kbd>Ctrl</kbd> - <kbd>Y</kbd>                | Copy commit hash/stash ID*|
-| <kbd>Ctrl</kbd> - <kbd>K</kbd> / <kbd>P</kbd> | Selection move up         |
-| <kbd>Ctrl</kbd> - <kbd>J</kbd> / <kbd>N</kbd> | Selection move down       |
-| <kbd>Alt</kbd> - <kbd>K</kbd> / <kbd>P</kbd>  | Preview move up           |
-| <kbd>Alt</kbd> - <kbd>J</kbd> / <kbd>N</kbd>  | Preview move down         |
+| Key                                           | Action                                      |
+| :-------------------------------------------: | ------------------------------------------- |
+| <kbd>Enter</kbd>                              | Confirm                                     |
+| <kbd>Tab</kbd>                                | Toggle mark and move down                   |
+| <kbd>Shift</kbd> - <kbd>Tab</kbd>             | Toggle mark and move up                     |
+| <kbd>?</kbd>                                  | Toggle preview window                       |
+| <kbd>Alt</kbd> - <kbd>W</kbd>                 | Toggle preview wrap                         |
+| <kbd>Ctrl</kbd> - <kbd>S</kbd>                | Toggle sort                                 |
+| <kbd>Ctrl</kbd> - <kbd>R</kbd>                | Toggle selection                            |
+| <kbd>Ctrl</kbd> - <kbd>Y</kbd>                | Copy commit hash/stash ID*                  |
+| <kbd>Ctrl</kbd> - <kbd>K</kbd> / <kbd>P</kbd> | Selection move up                           |
+| <kbd>Ctrl</kbd> - <kbd>J</kbd> / <kbd>N</kbd> | Selection move down                         |
+| <kbd>Alt</kbd> - <kbd>K</kbd> / <kbd>P</kbd>  | Preview move up                             |
+| <kbd>Alt</kbd> - <kbd>J</kbd> / <kbd>N</kbd>  | Preview move down                           |
+| <kbd>Alt</kbd> - <kbd>E</kbd>                 | Open file in default editor (when possible) |
 
 \* Available when the selection contains a commit hash or a stash ID.
 For linux users `FORGIT_COPY_CMD` should be set to make copy work. Example: `FORGIT_COPY_CMD='xclip -selection clipboard'`.

bin/git-forgit

@@ -138,6 +138,7 @@ _forgit_diff() {
         $FORGIT_FZF_DEFAULT_OPTS
         +m -0 --bind=\"enter:execute($enter_cmd | $_forgit_enter_pager)\"
         --preview=\"$preview_cmd\"
+        --bind=\"alt-e:execute-silent($EDITOR \$\($get_files\) >/dev/tty </dev/tty)+refresh-preview\"
         $FORGIT_DIFF_FZF_OPTS
         --prompt=\"$commits > \"
     "
@@ -178,6 +179,7 @@ _forgit_add() {
         $FORGIT_FZF_DEFAULT_OPTS
         -0 -m --nth 2..,..
         --preview=\"$preview\"
+        --bind=\"alt-e:execute-silent($EDITOR \$\(echo {} | $extract\) >/dev/tty </dev/tty)+refresh-preview\"
         $FORGIT_ADD_FZF_OPTS
     "
     files=$(git -c color.status=always -c status.relativePaths=true status -su |