scripts/common: osmo_git_last_commit…: add vars

Add variable names for $1, $2, $3 so the logic is easier to follow.

Related: OS#6227
Change-Id: I7abbcefc8d5bd4c5b84c30a7e38ca3dcb855dd56
---
M scripts/common.sh
1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/scripts/common.sh b/scripts/common.sh
index 72be4fc..8099499 100644
--- a/scripts/common.sh
+++ b/scripts/common.sh
@@ -74,19 +74,23 @@
 	# ee618ecbedec82dfd240334bc87d0d1c806477b0        refs/tags/debian/0.9.13-0_jrsantos.1
 	# a3fdd24af099b449c9856422eb099fb45a5595df        refs/tags/debian/0.9.13-0_jrsantos.1^{}
 	# ...
+	local project="$1"
+	local amount="$2"
+	local default_str="$3"
 	local url ret
-	url="$(osmo_git_clone_url "$1")"
+
+	url="$(osmo_git_clone_url "$project")"
 	ret="$(git ls-remote --tags "$url")"
 	ret="$(echo "$ret" | grep 'refs/tags/[0-9.]*$' || true)"
 	ret="$(echo "$ret" | sort -V -t/ -k3)"
-	if [ "$2" != "all" ]; then
-		ret="$(echo "$ret" | tail -n "$2")"
+	if [ "$amount" != "all" ]; then
+		ret="$(echo "$ret" | tail -n "$amount")"
 	fi
 
 	if [ -n "$ret" ]; then
 		echo "$ret"
 	else
-		echo "$3"
+		echo "$default_str"
 	fi
 }
 

