Use argcomplete to auto-generate autocompletion

Makefile

@@ -1,4 +1,4 @@
-.PHONY: dist test install clean twine
+.PHONY: dist test install clean twine auto-completion
 
 install:
 	pip3 install -e .
@@ -10,3 +10,10 @@ twine:
 	twine upload dist/*
 clean:
 	git clean -fdx
+auto-completion:
+	@ mkdir -p auto-completion/bash
+	@ mkdir -p auto-completion/zsh
+	@ mkdir -p auto-completion/fish
+	register-python-argcomplete gita -s bash > auto-completion/bash/.gita-completion.bash
+	register-python-argcomplete gita -s zsh > auto-completion/zsh/_gita
+	register-python-argcomplete gita -s fish > auto-completion/fish/gita.fish

README.md

@@ -158,6 +158,9 @@ the branch color to work.
 See [this stackoverflow post](https://stackoverflow.com/questions/51680709/colored-text-output-in-powershell-console-using-ansi-vt100-codes) for details.
 
 ## Auto-completion
+
+You can download the generated auto-completion file in the following locations for your specific shell. Alternatively, if you have installed `argcomplete` on your system, you can also directly run `eval "$(register-python-argcomplete gita -s SHELL)"` (e.g. `SHELL` as `bash`/`zsh`) in your dotfile.
+
 ### Bash
 Download [.gita-completion.bash](https://github.com/nosarthur/gita/blob/master/.gita-completion.bash) and source it in shell.
 
@@ -168,6 +171,9 @@ Add `autoload -U +X bashcompinit && bashcompinit` in .zshrc and source the zsh f
 - [_gita](https://github.com/nosarthur/gita/blob/master/contrib.completion/zsh/_gita_).
 Completion more Zsh style. Copy it in a folder and add this folder path in `FPATH` variable. This completion file doesn't take account to command from cmds.json
 
+### Fish
+Download [gita.fish](https://github.com/nosarthur/gita/tree/master/auto-completion/fish/gita.fish) and place it in `~/.config/fish/completions/`
+
 
 ## <a name='superman'></a> Superman mode
 

auto-completion/fish/gita.fish

@@ -0,0 +1,17 @@
+
+function __fish_gita_complete
+    set -x _ARGCOMPLETE 1
+    set -x _ARGCOMPLETE_DFS \t
+    set -x _ARGCOMPLETE_IFS \n
+    set -x _ARGCOMPLETE_SUPPRESS_SPACE 1
+    set -x _ARGCOMPLETE_SHELL fish
+    set -x COMP_LINE (commandline -p)
+    set -x COMP_POINT (string length (commandline -cp))
+    set -x COMP_TYPE
+    if set -q _ARC_DEBUG
+        gita 8>&1 9>&2 1>&9 2>&1
+    else
+        gita 8>&1 9>&2 1>/dev/null 2>&1
+    end
+end
+complete --command gita -f -a '(__fish_gita_complete)'

gita/__main__.py

@@ -18,6 +18,7 @@
 import sys
 import csv
 import argparse
+import argcomplete
 import subprocess
 from functools import partial
 import pkg_resources
@@ -807,6 +808,7 @@ def main(argv=None):
             cmd = cmd.split()
         sp.set_defaults(func=f_git_cmd, cmd=cmd)
 
+    argcomplete.autocomplete(p)
     args = p.parse_args(argv)
 
     args.async_blacklist = {

setup.py

@@ -19,6 +19,7 @@
     author_email="[email protected]",
     entry_points={"console_scripts": ["gita = gita.__main__:main"]},
     python_requires="~=3.6",
+    install_requires=["argcomplete"],
     classifiers=[
         "Development Status :: 4 - Beta",
         "Intended Audience :: Developers",