[PATCH 2/8] mergetool: use $( ... ) instead of `backticks`

[David Aguilar <davvid@gmail.com>]

This makes mergetool consistent with Documentation/CodingGuidelines.

Signed-off-by: David Aguilar <davvid@gmail.com>
---
 git-mergetool.sh |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/git-mergetool.sh b/git-mergetool.sh
index cfee28e..5ea126c 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -138,7 +138,7 @@ checkout_staged_file () {
 merge_file () {
 	MERGED="$1"
 
-	f=`git ls-files -u -- "$MERGED"`
+	f=$(git ls-files -u -- "$MERGED")
 	if test -z "$f" ; then
 		if test ! -f "$MERGED" ; then
 			echo "$MERGED: file not found"
@@ -157,9 +157,9 @@ merge_file () {
 	mv -- "$MERGED" "$BACKUP"
 	cp -- "$BACKUP" "$MERGED"
 
-	base_mode=`git ls-files -u -- "$MERGED" | awk '{if ($3==1) print $1;}'`
-	local_mode=`git ls-files -u -- "$MERGED" | awk '{if ($3==2) print $1;}'`
-	remote_mode=`git ls-files -u -- "$MERGED" | awk '{if ($3==3) print $1;}'`
+	base_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==1) print $1;}')
+	local_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==2) print $1;}')
+	remote_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==3) print $1;}')
 
 	base_present   && checkout_staged_file 1 "$MERGED" "$BASE"
 	local_present  && checkout_staged_file 2 "$MERGED" "$LOCAL"
@@ -322,7 +322,7 @@ do
 	-t|--tool*)
 		case "$#,$1" in
 		*,*=*)
-			merge_tool=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+			merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)')
 			;;
 		1,*)
 			usage ;;
@@ -371,7 +371,7 @@ valid_tool() {
 }
 
 init_merge_tool_path() {
-	merge_tool_path=`git config mergetool.$1.path`
+	merge_tool_path=$(git config mergetool.$1.path)
 	if test -z "$merge_tool_path" ; then
 		case "$1" in
 			emerge)
@@ -401,7 +401,7 @@ prompt_after_failed_merge() {
 }
 
 if test -z "$merge_tool"; then
-	merge_tool=`git config merge.tool`
+	merge_tool=$(git config merge.tool)
 	if test -n "$merge_tool" && ! valid_tool "$merge_tool"; then
 		echo >&2 "git config option merge.tool set to unknown tool:" "$merge_tool"
 		echo >&2 "Resetting to default..."
@@ -461,7 +461,7 @@ last_status=0
 rollup_status=0
 
 if test $# -eq 0 ; then
-	files=`git ls-files -u | sed -e 's/^[^	]*	//' | sort -u`
+	files=$(git ls-files -u | sed -e 's/^[^	]*	//' | sort -u)
 	if test -z "$files" ; then
 		echo "No files need merging"
 		exit 0
-- 
1.6.1.3