WIP prepare dev script

.bin/prepare-dev.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+set -eou pipefail
+IFS=$'\n\t'
+
+# shellcheck disable=SC2155
+readonly SELF_DIRNAME="$(dirname -- "$0")"
+readonly BASE_DIR="${SELF_DIRNAME}/.."
+
+# TODO: Parameterize or make case-insensitive when this is an action
+readonly CANONICAL_FILE="README.MD"
+readonly GIT_USER="[email protected]"
+readonly GIT_NAME="Pantheon Automation"
+
+readonly RELEASE_BRANCH="release"
+readonly DEVELOP_BRANCH="alt-main"
+
+main() {
+    local CANONICAL_VERSION
+    CANONICAL_VERSION="$(grep 'Stable tag:' < "${CANONICAL_FILE}"  | awk '{print $3}')"
+
+    git checkout "${RELEASE_BRANCH}"
+    git pull origin "${RELEASE_BRANCH}"
+    git checkout "${DEVELOP_BRANCH}"
+    git pull origin "${DEVELOP_BRANCH}"
+    git rebase "${RELEASE_BRANCH}"
+
+    IFS='.' read -ra parts <<< "$CANONICAL_VERSION"
+    patch="${parts[2]}"
+    patch=$((patch + 1))
+    NEW_DEV_VERSION="${parts[0]}.${parts[1]}.$patch-dev"
+    echo "$NEW_DEV_VERSION"
+
+    echo "Updating ${CANONICAL_VERSION} to ${NEW_DEV_VERSION}"
+    # Iterate through each file in the top-level directory
+    for file in "$BASE_DIR"/*; do
+        if [ -f "$file" ]; then
+            echo "${file}"
+            if [[ "$file" = "$BASE_DIR/package-lock.json" ]];then
+                # skip package-lock and let `npm i` do it.
+                echo "skipping sed of package lock"
+                continue
+            fi
+            (
+                shopt -s nocasematch # make the "if readme" case insensitive
+                if [[ "${file}" == "$BASE_DIR/readme.txt"  ]]; then
+                    echo "adding new heading"
+                    new_heading="### ${NEW_DEV_VERSION}"
+                    awk -v heading="$new_heading" '/## Changelog/ { print; print ""; print heading; print ""; next } 1' "$file" > tmp.md
+                    mv tmp.md "$file"
+                    git add "$file"
+                    continue
+                elif [[ "${file}" == "$BASE_DIR/readme.md"  ]]; then
+                    echo "adding new heading"
+                    new_heading="= ${NEW_DEV_VERSION} ="
+                    awk -v heading="$new_heading" '/== Changelog ==/ { print; print ""; print heading; print ""; next } 1' "$file" > tmp.md
+                    mv tmp.md "$file"
+                    git add "$file"
+                    continue
+                fi
+            )
+            # Use `sed` to perform the search and replace operation in each file
+            sed -i.tmp -e "s/${CANONICAL_VERSION}/${NEW_DEV_VERSION}/g" "$file" && rm "$file.tmp"
+            if [[ "$file" == "$BASE_DIR/package.json" ]];then
+                # TODO: This seems unsafe as we might update dependencies as well.
+                #       Is it safe to just sed package-lock instead? That also seems wrong.
+                echo "running 'npm i --package-lock-only' to update package-lock.json"
+                npm i --package-lock-only
+                git add "$BASE_DIR/package-lock.json"
+            fi
+
+            git add "$file"
+        fi
+    done
+    # Who am I?
+    git config --global user.email "${GIT_USER}"
+    git config --global user.name "${GIT_NAME}"
+
+    git commit -m "Prepare ${NEW_DEV_VERSION}"
+    # git push origin "${DEVELOP_BRANCH}"
+}
+
+main "$@"