From c797392e91547ea8103c9f7a4bc3d1d9bdb8fae6 Mon Sep 17 00:00:00 2001
From: Dale Whinham <daleyo@gmail.com>
Date: Fri, 13 Aug 2021 00:58:28 +0100
Subject: [PATCH] Add fish completion script

---
 README.md                                  | 12 ++++++----
 linux_src/fish_completion/mt32-pi-ctl.fish | 28 ++++++++++++++++++++++
 2 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 linux_src/fish_completion/mt32-pi-ctl.fish

diff --git a/README.md b/README.md
index aa26fa7..17bf771 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ OPTIONS:
 ```
 To find out which client/port to use, you can run `aplaymidi -l` or `aconnect -l` to list available devices.
 
-Since 1.0.1, the Linux version of `mt32-pi-ctl` also comes with an intelligent bash completion script
+Since 1.0.1, the Linux version of `mt32-pi-ctl` also comes with intelligent bash and fish completion scripts
 that will smartly autocomplete (long) options, romsets, filenames and, if `aplaymidi` is in your
 PATH, even available MIDI ports.
 
@@ -98,14 +98,15 @@ $ mt32-pi-ctl -p 28:0 --romset <TAB><TAB>
 cm32l  new  old
 ```
 For this to work mt32-pi-ctl must be in your PATH, e.g. in `/usr/local/bin` and the
-bash completion script must be in a special completion script directory or sourced
+bash/fish completion scripts must be in a special completion script directory or for bash, sourced
 by `.bashrc`.
 
-On modern Debian/Ubuntu systems, install the script using
+On modern Debian/Ubuntu systems, install the scripts using
 ```
 sudo cp linux_src/bash_completion/mt32-pi-ctl.bash /usr/share/bash-completion/completions/mt32-pi-ctl
+sudo cp linux_src/fish_completion/mt32-pi-ctl.fish /usr/share/fish/vendor_completions.d/mt32-pi-ctl.fish
 ```
-On other or older distros it may need to go to `/etc/bash_completion.d/mt32-pi-ctl` instead.
+On other or older distros, the bash completion script may need to go to `/etc/bash_completion.d/mt32-pi-ctl` instead.
 
 Alternatively you can add the line
 ```
@@ -113,6 +114,9 @@ source /path/to/mt32-pi-ctl.bash
 ```
 to your `.bashrc`. After installing, you may need to relogin or reboot.
 
+The fish completion script may be located in your home directory under `~/.config/fish/completions` instead, if you prefer.
+Once copied, completions should be available in fish immediately.
+
 #### Windows-specific options
 
 ```
diff --git a/linux_src/fish_completion/mt32-pi-ctl.fish b/linux_src/fish_completion/mt32-pi-ctl.fish
new file mode 100644
index 0000000..6218e81
--- /dev/null
+++ b/linux_src/fish_completion/mt32-pi-ctl.fish
@@ -0,0 +1,28 @@
+# mt32-pi-ctl fish completion script
+
+function __fish_list_midi_ports --description 'List available MIDI ports'
+    if type -q aplaymidi
+        aplaymidi -l | awk 'NR>1 {gsub(/^[[:space:]]+/, "", $1); print $1, $3}' FS='[[:space:]]{2,}' OFS='\t'
+    end
+end
+
+complete -c mt32-pi-ctl -f
+complete -c mt32-pi-ctl -s h -l help -d "Display help."
+complete -c mt32-pi-ctl -s v -l verbose -d "Be verbose about what is going on."
+complete -c mt32-pi-ctl -s r -l reboot -d "Reboot the Pi. Will block for a few secs to give it time."
+complete -c mt32-pi-ctl -s p -x -a "(__fish_list_midi_ports)" -d "The ALSA MIDI client and port address to output to."
+complete -c mt32-pi-ctl -s m -l mt32 -d "Switch mt32-pi to MT-32 mode."
+complete -c mt32-pi-ctl -s g -l fluidsynth -d "Switch mt32-pi to FluidSynth mode."
+complete -c mt32-pi-ctl -s b -l romset -x -a "(echo -e \"old\tOld MT-32 (ROM v1.xx)\nnew\tNew MT-32 (ROM v2.xx)\ncm32l\tCM-32L\n\")" -d "Switch MT-32 romset."
+complete -c mt32-pi-ctl -s s -l soundfont -x -d "Set FluidSynth SoundFont. (number)"
+complete -c mt32-pi-ctl -s S -l mt32-rstereo -x -d "Enable/disable MT-32 reversed stereo. (0, 1)"
+complete -c mt32-pi-ctl -l mt32-reset -d "Send an MT-32 reset SysEx message."
+complete -c mt32-pi-ctl -l gm-reset -d "Send a GM reset SysEx message."
+complete -c mt32-pi-ctl -l gs-reset -d "Send a GS reset SysEx message."
+complete -c mt32-pi-ctl -s t -l mt32-txt -x -d "Send an MT-32 text display SysEx."
+complete -c mt32-pi-ctl -s T -l sc55-txt -x -d "Send an SC-55 text display SysEx."
+complete -c mt32-pi-ctl -s P -l sc55-bmp -r -d "Display a 16x16 1bpp BMP on the screen. (SC-55 SysEx)"
+complete -c mt32-pi-ctl -s X -l sc55-btxt -x -d "Display a string on the screen as a Bitmap. (SC-55)"
+complete -c mt32-pi-ctl -s N -l negative -n "__fish_contains_opt -s P sc55-bmp -s X sc55-btxt" -d "Reverse color. Use with '-P/--sc55-bmp' or '-X/--sc55-btxt'."
+complete -c mt32-pi-ctl -s M -l midi -x -d "Send a list of custom MIDI bytes."
+complete -c mt32-pi-ctl -s Y -l syx -r -d "Send the contents of a SYX-file."