add check for "snapshot-BRANCH_SLUG" arg to update-all-qqq-deps.sh -- if given, then we look for branchy versions, else we use main versions [skip ci]

qqq-dev-tools/bin/get-latest-snapshot.sh

@@ -97,7 +97,7 @@ else
 
    artifact=$1
    version=$2
-   if [ "$version" == "-l" ]; then
+   if [ "$version" == "-s" ]; then
       useSlug=$(checkForBranchBuild $artifact)
       if [ "$useSlug" == "1" ]; then
          version=$SLUG
@@ -105,9 +105,11 @@ else
          version=$CURRENT_VERSION
       fi
       echo "Using $version for $artifact" >&2
+   elif [ "$version" == "-l" ]; then
+      version=$CURRENT_VERSION
    fi
 
-   if [ -z "$ar^tifact" -o -z "$version" ]; then
+   if [ -z "$artifact" -o -z "$version" ]; then
       echo "Usage: $0 artifact snapshot-version-prefix"
       echo "   or: $0 artifact -l (latest of CURRENT_VERSION, or branch-slug, if it has been deployed)"
       echo "   or: $0 -i (interactive mode)"

qqq-dev-tools/bin/update-all-qqq-deps.sh

@@ -13,9 +13,14 @@ fi
 CURRENT_VERSION="$(cat $QQQ_DEV_TOOLS_DIR/CURRENT-SNAPSHOT-VERSION)"
 MODULE_LIST_FILE=$QQQ_DEV_TOOLS_DIR/MODULE_LIST
 
+getLatestSnapshotArg="-l"
+if [[ "$1" == "snapshot-BRANCH_SLUG" ]]; then
+   getLatestSnapshotArg="-s"
+fi
+
 for module in $(cat $MODULE_LIST_FILE); do
    echo "Updating $module..."
-   version=$(get-latest-snapshot.sh $module -l)
+   version=$(get-latest-snapshot.sh $module $getLatestSnapshotArg)
    update-dep.sh $module $version -q
 done