Re: [PATCH v2] tests: add initial bash completion tests

> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
> ---
> 
> Since v1:
> 
>  * Check if we are running bash in posix mode
>  * Don't check for all git porcelain commands
> 
>  t/t9902-completion.sh |  115 +++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 115 insertions(+)
>  create mode 100755 t/t9902-completion.sh
> 
> diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
> new file mode 100755
> index 0000000..cbda6b5
> --- /dev/null
> +++ b/t/t9902-completion.sh
> @@ -0,0 +1,115 @@
> +#!/bin/sh
> +#
> +# Copyright (c) 2012 Felipe Contreras
> +#
> +
> +if test -n "$BASH" && test -z "$POSIXLY_CORRECT"; then
> +	# we are in full-on bash mode
> +	true
> +elif type bash >/dev/null 2>&1; then
> +	# execute in full-on bash mode
> +	unset POSIXLY_CORRECT
> +	exec bash "$0" "$@"
> +else
> +	echo '1..0 #SKIP skipping bash completion tests; bash not available'
> +	exit 0
> +fi
> +
> +test_description='test bash completion'
> +
> +. ./test-lib.sh
> +
> +complete ()
> +{
> +	# do nothing
> +	return 0
> +}
> +
> +. "$GIT_BUILD_DIR/contrib/completion/git-completion.bash"
> +
> +_get_comp_words_by_ref ()
> +{
> +	while [ $# -gt 0 ]; do
> +		case "$1" in
> +		cur)
> +			cur=${_words[_cword]}
> +			;;
> +		prev)
> +			prev=${_words[_cword-1]}
> +			;;
> +		words)
> +			words=("${_words[@]}")
> +			;;
> +		cword)
> +			cword=$_cword
> +			;;
> +		esac
> +		shift
> +	done
> +}

> +print_comp ()
> +{
> +	local IFS=$'\n'
> +	echo "${COMPREPLY[*]}" > out
> +}
> +
> +run_completion ()
> +{
> +	local -a COMPREPLY _words
> +	local _cword
> +	_words=( $1 )
> +	(( _cword = ${#_words[@]} - 1 ))
> +	_git && print_comp
> +}
> +
> +test_completion ()
> +{
> +	test $# -gt 1 && echo "$2" > expected
> +	run_completion "$@" &&
> +	test_cmp expected out
> +}
> +
> +test_expect_success 'basic' '
> +	run_completion "git \"\"" &&
> +	# built-in
> +	grep -q "^add \$" out &&
> +	# script
> +	grep -q "^filter-branch \$" out &&
> +	# plumbing
> +	! grep -q "^ls-files \$" out