gecko-dev/python/mach/bash-completion.sh

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function _mach()
{
local cur cmds c subcommand mach
COMPREPLY=()
# Load the list of commands
mach=`which mach || echo ./mach`
cmds=`$mach mach-commands`
# Look for the subcommand.
cur="${COMP_WORDS[COMP_CWORD]}"
subcommand=""
c=1
while [ $c -lt $COMP_CWORD ]; do
word="${COMP_WORDS[c]}"
for cmd in $cmds; do
if [ "$cmd" = "$word" ]; then
subcommand="$word"
fi
done
c=$((++c))
done
if [[ "$subcommand" == "help" || -z "$subcommand" ]]; then
COMPREPLY=( $(compgen -W "$cmds" -- ${cur}) )
fi
return 0
}
complete -o default -F _mach mach