1
0
Fork 0
git-shortmaps/bash_completion

170 lines
3.8 KiB
Bash
Raw Normal View History

#!/bin/bash
#
# Provides short mappings for common Git commands
#
# Copyright (C) 2011, 2012, 2013, 2014, 2015 Mike Gerwitz
2014-08-21 23:34:10 -04:00
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
2014-08-21 23:34:10 -04:00
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# #
declare -r __git_short_path="${1:-$(pwd)/shortmaps}"
__git-short_cmdok()
{
local -r cmd="$1"
test "${cmd:0:1}" != -
}
__git-short_docomplete()
{
local -r cmd="$1" fn="$2"
2011-10-18 20:04:11 -04:00
# ignore problem commands
__git-short_cmdok "$cmd" || return
2011-10-18 20:04:11 -04:00
complete -o bashdefault -o default -o nospace -F"$fn" "$cmd" 1>/dev/null \
|| complete -o default -o nospace -F"$fn" "$cmd"
}
__git-short_shortmap()
{
local -r shortcmd="$1"
# only perform completion when within a git dir
2014-11-23 22:43:17 -05:00
git rev-parse &>/dev/null || return
# populate variables used by various git completion functions
local cur words cword prev
_get_comp_words_by_ref -n =: cur words cword prev
# execute the associated completion function (column two of the shortmaps
# file)
"${__git_short_comp[$shortcmd]}"
}
__git-short_register_alias()
2011-10-18 20:04:11 -04:00
{
local -r cmd="$1"
2011-10-18 20:04:11 -04:00
# ignore invalid aliases (for which we define functions to handle them
# instead)
__git-short_cmdok "$cmd" || return
2011-10-18 20:04:11 -04:00
alias $cmd="__git-short_shortalias '$cmd'"
2011-10-18 20:04:11 -04:00
}
__git-short_shortalias()
{
local -r shortcmd="$1"
shift
if [ "$shortcmd" == --help ]; then
__git-short_help
return
fi
# if we're not within a git dir, fall back to an actual command of this
# name
2014-11-23 22:43:17 -05:00
git rev-parse &>/dev/null || {
command "$shortcmd" "$@"
return
}
local cmd="${__git_short_maps[$shortcmd]}"
test -n "$cmd" || return
# pipe cmd prefix indicates a verbatim command
if [ "${cmd:0:1}" == '|' ]; then
eval "${cmd:1}" '"$@"'
return
2011-10-18 20:04:11 -04:00
fi
# intentionally unquoted
2011-10-18 20:04:11 -04:00
$cmd "$@"
}
__git-short_help()
{
cat <<EOH
Git Shortmaps loaded from:
- $HOME/.git-shortmaps
- $__git_short_path
Defined shortmaps:
$( __git-short_map_out | sed 's/^/ /' )
2014-08-21 23:34:10 -04:00
git-shortmaps Copyright (C) 2011, 2012, 2013, 2014 Mike Gerwitz
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; see the GNU GPLv3+ for details at
<https://www.gnu.org/licenses/>.
EOH
}
__git-short_map_out()
{
local shortcmd
for shortcmd in "${!__git_short_maps[@]}"; do
echo -e "$shortcmd\t${__git_short_maps[$shortcmd]}"
done \
| sort \
| { type column &>/dev/null && column -t -s$'\t' || cat; }
}
# load shortmaps from cwd (or provided path) and home dir (if available)
__git-short_load_maps()
{
local -r path="$1"
cat "$path" ~/.git-shortmaps 2>/dev/null
}
2011-10-18 20:04:11 -04:00
# functions that cannot be aliased
2011-10-19 20:22:40 -04:00
- () { __git-short_shortalias - "$@"; }
-- () { __git-short_shortalias -- "$@"; }
declare shortcmd comp cmd
declare -gA __git_short_maps __git_short_comp
2011-10-18 20:04:11 -04:00
# register each shortmap
while read shortcmd comp cmd; do
test -n "$shortcmd" || continue
if [ "${cmd:0:1}" == : ]; then
cmd="git ${cmd:1}"
fi
__git_short_maps["$shortcmd"]="$cmd"
__git_short_comp["$shortcmd"]="$comp"
2011-10-19 17:27:49 -04:00
__git-short_docomplete "$shortcmd" __git-short_shortmap
__git-short_register_alias "$shortcmd"
done < <( __git-short_load_maps "$__git_short_path" )
# some distros use completion lazy-loading
type -t _completion_loader &>/dev/null \
&& _completion_loader git