[PATCH 2/3] completion: add find_argument_and_value() function

[Stephen Boyd <bebarino@gmail.com>]

Add a function to get arguments and their associated value. This is used
by the config completion to find config file arguments.

Signed-off-by: Stephen Boyd <bebarino@gmail.com>
---

I'm not sure if this is correct. It works for the case I have, but
others I'm not so sure. Let's just say I'm no bash expert.

 contrib/completion/git-completion.bash |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 72a16a1..f179cc8 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -618,6 +618,31 @@ __git_find_subcommand ()
 	done
 }
 
+# __git_find_argument_and_value requires 1 argument
+__git_find_argument_and_value ()
+{
+	local word nextword argument c=1
+
+	while [ $c -lt $COMP_CWORD ]; do
+		word="${COMP_WORDS[c]}"
+		for argument in $1; do
+			if [ "${argument##--}" = "${word##--}" ]; then
+				nextword=${COMP_WORDS[$((c+1))]}
+				if [ "${nextword#-}" != "$nextword" ]; then
+					nextword=
+				fi
+				echo "$argument $nextword"
+				return
+			fi
+			if [ "${argument/=*/}" = "${word/=*/}" ]; then
+				echo "$word"
+				return
+			fi
+		done
+		c=$((++c))
+	done
+}
+
 __git_has_doubledash ()
 {
 	local c=1
-- 
1.6.3.rc4.29.g8146