Add helper scripts for finding and loading active repos (on github)

[ci skip]

scripts/find-active.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+set -e
+
+DIR=${1:-repos}
+
+for url in $(./scripts/list.sh "${DIR}")
+do
+    (curl "${url}" --silent | grep -q hitsofcode) && echo "${url}"
+done

scripts/load-active.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env sh
+
+set -e
+
+ACTIVE=${1}
+
+if [ -z "${ACTIVE}" ]
+then
+    echo "Usage: $0 <list of active repos>"
+    exit 1
+fi
+
+while IFS= read -r url
+do
+    imgs=$(curl "${url}" --silent | grep hitsofcode | grep -o -P 'https://camo.githubusercontent.com/[a-z0-9]+/[a-z0-9]+')
+    [ -z "${imgs}" ] || echo "${url}"
+    for img in ${imgs}
+    do
+        curl "$img" --silent > /dev/null
+    done
+done < "${ACTIVE}"