chore: create changelog generator script

scripts/changelog.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+
+# Please note that this script only work with Github repositories.
+# Prerequisites: git, github cli
+
+GHCLI_BIN="ghcli"
+REPO="cloudskiff/driftctl"
+LATEST_TAG=$(git describe --abbrev=0) # Get the least created tag
+DEFAULT_BRANCH=$(git symbolic-ref refs/remotes/origin/HEAD | sed 's@^refs/remotes/origin/@@')
+BASE=$DEFAULT_BRANCH # Change this if you don't want to use the default branch as base
+
+# Compare $BASE branch with the latest tag
+# Keep IDs of merged pull requests
+PRs=$(git log --pretty=oneline $BASE...$LATEST_TAG | grep 'Merge pull request #' | grep -oP '#[0-9]+' | sed 's/#//')
+
+echo "Generating changelog for commits from $BASE to $LATEST_TAG..."
+
+CHANGES=()
+for pr in $PRs; do
+    str=$($GHCLI_BIN pr view $pr --repo $REPO -t '- {{ .title }} (#{{ .number }}) @{{ .author.login }} {{.labels}}' --json title,number,author,labels)
+    CHANGES+=("$str")
+done
+
+echo -e "\n## 🚀 Enhancements\n"
+
+for change in "${CHANGES[@]}"; do
+    if [[ $change =~ "kind/enhancement" ]]; then
+        echo $change | sed "s/\[map\[$PARTITION_COLUMN.*//"
+    fi
+done
+
+echo -e "\n## 🐛 Bug Fixes\n"
+
+for change in "${CHANGES[@]}"; do
+    if [[ $change =~ "kind/bug" ]]; then
+        echo $change | sed "s/\[map\[$PARTITION_COLUMN.*//"
+    fi
+done
+
+echo -e "\n## 🔨 Maintenance\n"
+
+for change in "${CHANGES[@]}"; do
+    if [[ $change =~ "kind/maintenance" ]]; then
+        echo $change | sed "s/\[map\[$PARTITION_COLUMN.*//"
+    fi
+done
+
+exit 0