[PATCH v7 45/49] completion: bash: simplify _get_comp_words_by_ref()

[Felipe Contreras <felipe.contreras@gmail.com>]

We don't need the whole functionality of _get_comp_words_by_ref(), we
know exactly what we need from that function, so only do that.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
 contrib/completion/git-completion.bash | 30 ++++++--------------------
 t/t9902-completion.sh                  | 21 ++++--------------
 2 files changed, 10 insertions(+), 41 deletions(-)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 3f48b61cbe..7b46ce503d 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -419,30 +419,12 @@ __git_reassemble_comp_words_by_ref()
 if ! type _get_comp_words_by_ref >/dev/null 2>&1; then
 _get_comp_words_by_ref ()
 {
-	local exclude cur_ words_ cword_
-	if [ "$1" = "-n" ]; then
-		exclude=$2
-		shift 2
-	fi
-	__git_reassemble_comp_words_by_ref "$exclude"
-	cur_=${words_[cword_]}
-	while [ $# -gt 0 ]; do
-		case "$1" in
-		cur)
-			cur=$cur_
-			;;
-		prev)
-			prev=${words_[$cword_-1]}
-			;;
-		words)
-			words=("${words_[@]}")
-			;;
-		cword)
-			cword=$cword_
-			;;
-		esac
-		shift
-	done
+	local words_ cword_
+	__git_reassemble_comp_words_by_ref "=:"
+	cword=$cword_
+	cur=${words_[cword]}
+	prev=${words_[cword-1]}
+	words=("${words_[@]}")
 }
 fi
 
diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index b4ed415245..fdc81d5d3f 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -40,23 +40,10 @@ GIT_TESTING_PORCELAIN_COMMAND_LIST='add checkout rebase'
 # So let's override it with a minimal version for testing purposes.
 _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=$_cword
-			;;
-		esac
-		shift
-	done
+	cword=$_cword
+	cur=${_words[cword]}
+	prev=${_words[cword-1]}
+	words=("${_words[@]}")
 }
 
 print_comp ()
-- 
2.33.0