ninja/misc/bash-completion
Hadi Moshayedi fc135c456d Speed-up bash target auto-complete.
These speed-ups include:

* Let compgen do the command substitution. Similar to
  https://lists.gnu.org/archive/html/bug-bash/2012-03/msg00115.html
* Use "cut" instead of "awk" for separating fields.
2015-10-31 06:13:33 -04:00

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# Copyright 2011 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Add the following to your .bashrc to tab-complete ninja targets
# . path/to/ninja/misc/bash-completion
_ninja_target() {
local cur prev targets dir line targets_command OPTIND
# When available, use bash_completion to:
# 1) Complete words when the cursor is in the middle of the word
# 2) Complete paths with files or directories, as appropriate
if _get_comp_words_by_ref cur prev &>/dev/null ; then
case $prev in
-f)
_filedir
return 0
;;
-C)
_filedir -d
return 0
;;
esac
else
cur="${COMP_WORDS[COMP_CWORD]}"
fi
if [[ "$cur" == "--"* ]]; then
# there is currently only one argument that takes --
COMPREPLY=($(compgen -P '--' -W 'version' -- "${cur:2}"))
else
dir="."
line=$(echo ${COMP_LINE} | cut -d" " -f 2-)
# filter out all non relevant arguments but keep C for dirs
while getopts :C:f:j:l:k:nvd:t: opt $line; do
case $opt in
# eval for tilde expansion
C) eval dir="$OPTARG" ;;
esac
done;
targets_command="eval ninja -C \"${dir}\" -t targets all 2>/dev/null | cut -d: -f1"
COMPREPLY=($(compgen -W '`${targets_command}`' -- "$cur"))
fi
return
}
complete -F _ninja_target ninja