Implement parse_tags_js with jq

common.sh

@@ -3,14 +3,14 @@
 one_year_ago=$(date -d "1 year ago" +%s)
 parse_tags_js() {
     is_empty=true
-    local date_names=($(grep -oP '(?<="last_updated":").+?(?=")|(?<="name":").+?(?=")' <(echo "$tags_js")))
-    for ((i=0; i<${#date_names[@]}/2; i++)); do
-        date=$(date -d "${date_names[2*i]}" +%s)
-        name=${date_names[2*i+1]}
+    next_page=$(jq -r '.next' <(echo "$tags_js"))
+    for result in $(jq -c '.results[]' <(echo "$tags_js")); do
+        date=$(date -d "$(jq -r '.last_updated' <(echo "$result"))" +%s)
+        name=$(jq -r '.name' <(echo "$result"))
         if (( date > one_year_ago )); then
             echo "$name"
             is_empty=false
-    fi
+        fi
     done
 }
 docker-tags(){
@@ -21,11 +21,8 @@ docker-tags(){
         return 1
     fi
     parse_tags_js
-    while next_page=$(grep -oP '(?<="next":").+?(?=")' <(echo "$tags_js") | sed 's/\\u0026/\&/' | xargs)
+    while [[ -n "$next_page" && "$next_page" != "null" && $is_empty == false ]]
     do
-        if [[ -z "$next_page" || "$next_page" == "null" || $is_empty == true ]]; then
-            break
-        fi
         tags_js=$(curl -sSL "$next_page")
         if [ $? -ne 0 ]; then
             echo "curl $next_page failed" >&2