Chore: Add a script to parse community contributors in each release

hack/github/community-contributors.sh

@@ -0,0 +1,52 @@
+#!/bin/bash -u
+
+TOKEN=$(cat $HOME/.git/token)
+
+RELEASES=$(
+    curl -s \
+        -H "Accept: application/vnd.github+json" \
+        -H "Authorization: token $TOKEN" \
+        https://api.github.com/repos/aws/karpenter/releases
+)
+LATEST=$(echo $RELEASES | jq -r ".[0].tag_name")
+PREVIOUS=$(echo $RELEASES | jq -r ".[1].tag_name")
+
+COMMITS=$(curl -s \
+    -H "Accept: application/vnd.github+json" \
+    -H "Authorization: token $TOKEN" \
+    https://api.github.com/repos/aws/karpenter/compare/$PREVIOUS...$LATEST)
+
+CONTRIBUTIONS=$(
+    echo $COMMITS | jq -r '
+    .commits
+    | sort_by(.commit.author.date)
+    | .[].commit
+    | {author: .author.name, message: (.message | split("\n")[0])}
+' | jq -s
+)
+NUM_CONTRIBUTIONS=$(echo $CONTRIBUTIONS | jq length)
+
+COMMUNITY_CONTRIBUTIONS=$(
+    echo $CONTRIBUTIONS | jq -r '
+    .[]
+    | select(
+        .author != "Ellis Tarn" and
+        .author != "Suket Sharma" and
+        .author != "Todd Neal" and
+        .author != "Nick Tran" and
+        .author != "Jason Deal" and
+        .author != "Ryan Maleki" and
+        .author != "Jonathan Innis" and
+        .author != "Brandon Wagner" and
+        .author != "Chris Negus" and
+        .author != "Jim DeWaard" and
+        .author != "dependabot[bot]"
+    )
+' | jq -s
+)
+
+NUM_COMMUNITY_CONTRIBUTIONS=$(echo $COMMUNITY_CONTRIBUTIONS | jq length)
+
+echo "Comparing $PREVIOUS and $LATEST"
+echo "Community members contributed $NUM_COMMUNITY_CONTRIBUTIONS/$NUM_CONTRIBUTIONS ($(awk "BEGIN {print (100*$NUM_COMMUNITY_CONTRIBUTIONS/$NUM_CONTRIBUTIONS)}")%) commits"
+echo $COMMUNITY_CONTRIBUTIONS | jq