Speed up "list" command execution

git-flow-bugfix

@@ -109,15 +109,15 @@ v,verbose   Verbose (more) output
 	width=$(($width+3-${#PREFIX}))
 
 	for branch in $bugfix_branches; do
-		base=$(git merge-base "$branch" "$DEVELOP_BRANCH")
-		develop_sha=$(git rev-parse "$DEVELOP_BRANCH")
-		branch_sha=$(git rev-parse "$branch")
 		if [ "$branch" = "$current_branch" ]; then
 			printf "* "
 		else
 			printf "  "
 		fi
 		if flag verbose; then
+			base=$(git merge-base "$branch" "$DEVELOP_BRANCH")
+			develop_sha=$(git rev-parse "$DEVELOP_BRANCH")
+			branch_sha=$(git rev-parse "$branch")
 			printf "%-${width}s" "${branch#$PREFIX}"
 			if [ "$branch_sha" = "$develop_sha" ]; then
 				printf "(no commits yet)"

git-flow-feature

@@ -109,15 +109,15 @@ v,verbose   Verbose (more) output
 	width=$(($width+3-${#PREFIX}))
 
 	for branch in $feature_branches; do
-		base=$(git merge-base "$branch" "$DEVELOP_BRANCH")
-		develop_sha=$(git rev-parse "$DEVELOP_BRANCH")
-		branch_sha=$(git rev-parse "$branch")
 		if [ "$branch" = "$current_branch" ]; then
 			printf "* "
 		else
 			printf "  "
 		fi
 		if flag verbose; then
+			base=$(git merge-base "$branch" "$DEVELOP_BRANCH")
+			develop_sha=$(git rev-parse "$DEVELOP_BRANCH")
+			branch_sha=$(git rev-parse "$branch")
 			printf "%-${width}s" "${branch#$PREFIX}"
 			if [ "$branch_sha" = "$develop_sha" ]; then
 				printf "(no commits yet)"

git-flow-hotfix

@@ -105,15 +105,15 @@ v,verbose!        Verbose (more) output
 	width=$(($width+3-${#PREFIX}))
 
 	for branch in $hotfix_branches; do
-		base=$(git merge-base "$branch" "$MASTER_BRANCH")
-		master_sha=$(git rev-parse "$MASTER_BRANCH")
-		branch_sha=$(git rev-parse "$branch")
 		if [ "$branch" = "$current_branch" ]; then
 			printf "* "
 		else
 			printf "  "
 		fi
 		if flag verbose; then
+			base=$(git merge-base "$branch" "$MASTER_BRANCH")
+			master_sha=$(git rev-parse "$MASTER_BRANCH")
+			branch_sha=$(git rev-parse "$branch")
 			printf "%-${width}s" "${branch#$PREFIX}"
 			if [ "$branch_sha" = "$master_sha" ]; then
 				printf "(no commits yet)"

git-flow-release

@@ -477,15 +477,15 @@ v,verbose!        verbose (more) output
 	width=$(($width+3-${#PREFIX}))
 
 	for branch in $release_branches; do
-		base=$(git merge-base "$branch" "$DEVELOP_BRANCH")
-		develop_sha=$(git rev-parse "$DEVELOP_BRANCH")
-		branch_sha=$(git rev-parse "$branch")
 		if [ "$branch" = "$current_branch" ]; then
 			printf "* "
 		else
 			printf "  "
 		fi
 		if flag verbose; then
+			base=$(git merge-base "$branch" "$DEVELOP_BRANCH")
+			develop_sha=$(git rev-parse "$DEVELOP_BRANCH")
+			branch_sha=$(git rev-parse "$branch")
 			printf "%-${width}s" "${branch#$PREFIX}"
 			if [ "$branch_sha" = "$develop_sha" ]; then
 				printf "(no commits yet)"

git-flow-support

@@ -103,15 +103,15 @@ v,verbose         Verbose (more) output
 	width=$(($width+3-${#PREFIX}))
 
 	for branch in $support_branches; do
-		base=$(git merge-base "$branch" "$MASTER_BRANCH")
-		master_sha=$(git rev-parse "$MASTER_BRANCH")
-		branch_sha=$(git rev-parse "$branch")
 		if [ "$branch" = "$current_branch" ]; then
 			printf "* "
 		else
 			printf "  "
 		fi
 		if flag verbose; then
+			base=$(git merge-base "$branch" "$MASTER_BRANCH")
+			master_sha=$(git rev-parse "$MASTER_BRANCH")
+			branch_sha=$(git rev-parse "$branch")
 			printf "%-${width}s" "${branch#$PREFIX}"
 			if [ "$branch_sha" = "$master_sha" ]; then
 				printf "(no commits yet)"