restored repurpose script

repurpose_package.sh

@@ -0,0 +1,112 @@
+#!/usr/bin/env bash
+
+if [ $# -le 1 ]; then
+  echo "usage: ./repurpose_package.sh <original_package_name> <new_package_name> [--dry-run]"
+  if [ $1 == "--help" ]; then
+    echo "
+    Removes the .git directory, initializes a new one,
+    replaces all occurences of the original package name with the new one in all files withing all subfolders,
+    replaces all occurences of the original package name with the new one wthinin all filenames."
+  fi
+  exit 1
+fi
+
+ORIG_NAME=$1
+NEW_NAME=$2
+
+if [ "$3" == "--dry-run" ]; then
+  echo "Dry run mode on - nothing will be changed"
+fi
+
+# Remove .git and initialize a new repository
+
+echo "** CREATING NEW GIT REPOSITORY **"
+
+# Ask for confirmation
+echo History of the old repository will be deleted.
+read -p "Are you sure? " -r
+
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+
+  if [ "$3" != "--dry-run" ]; then
+    rm -rf .git
+    git init
+  fi
+
+fi
+
+# Replace occurences within files
+readarray -d '' within_files < <(grep -rl "$ORIG_NAME" --null)
+
+echo "** REPLACING OCCURENCES WITHIN FILES **"
+
+if [[ -z "${within_files[@]}" ]]; then
+
+  echo "No matches found for \"$1\" within files!"
+
+else
+
+  # Ask for confirmation
+  echo These files will be modified:
+  for file in "${within_files[@]}"
+  do
+    echo " - $file"
+  done
+  read -p "Are you sure? " -r
+
+  if [[ $REPLY =~ ^[Yy]$ ]]
+  then
+
+    for file in "${within_files[@]}"
+    do
+      echo " - Replacing \"$1\" with \"$2\" in file \"$file\"."
+      if [ "$3" != "--dry-run" ]; then
+        sed -i "s/$ORIG_NAME/$NEW_NAME/g" "$file"
+      fi
+    done
+
+  fi
+
+fi
+
+# Replace occurences in file names
+readarray -d '' files < <(find -name "*$ORIG_NAME*" -print0)
+
+echo "** REPLACING OCCURENCES WITHIN FILE NAMES **"
+
+if [[ -z "${files[@]}" ]]; then
+
+  echo "No matches found for \"$1\" in file names!"
+
+else
+
+  # Ask for confirmation
+  echo These files will be modified:
+  for file in "${files[@]}"
+  do
+    echo " - $file"
+  done
+  read -p "Are you sure? " -r
+
+  if [[ $REPLY =~ ^[Yy]$ ]]
+  then
+
+
+  for file in "${files[@]}"
+  do
+    new_file=${file//$ORIG_NAME/$NEW_NAME}
+    echo " - Renaming file \"$file\" to \"$new_file\"."
+    if [ "$3" != "--dry-run" ]; then
+      mv "$file" "$new_file"
+    fi
+  done
+
+  fi
+
+fi
+
+if [ "$3" == "--dry-run" ]; then
+  echo "Dry run mode on - nothing was changed"
+fi
+