Bash script to create WordPress plugin using modified WordPress Plugin Boilerplate

create_plugin.sh

#!/bin/bash
# Constants
git_url=https://github.com/karannagupta/WordPress-Plugin-Boilerplate/archive/master.zip
archive=WordPress-Plugin-Boilerplate-master

# Save present working directory
pwd=$(pwd)

# Ask the user for details
read -p 'Plugin installation path (e.g. /Users/user/Sites/my-site/wp-content/plugins): ' plugin_path
if [ -z "$plugin_path" ]; then
    echo "Plugin installation path is required. Please re-start command."
    exit 1
fi
read -p 'Plugin name (e.g. My Awesome Plugin): ' plugin_name
read -p 'Plugin description (e.g. This plugin does awesome stuff): ' plugin_description
read -p 'Plugin URL (e.g. https://somedomain.com/my-awesome-plugin-uri): ' plugin_uri
read -p 'Plugin slug (e.g. my-awesome-plugin): ' plugin_slug
read -p 'Plugin namespace (e.g. My_Awesome_Plugin): ' plugin_namespace
read -p 'Author name (e.g. Awesome Dev): ' author_name
read -p 'Author URL (e.g. https://somedomain.com): ' author_uri
echo

# Create temporary folder
tmp_dir=$(mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir')
cd $tmp_dir

# Download plugin repo
curl -sLJO $git_url

# Extract archive
unzip -q "$archive".zip
cd "$archive"

# After having downloaded and extracted the archive, navigate to the folder containing the plugin
mv wp-plugin-name "$plugin_path"
cd "$plugin_path"

# Rename files/folders with the text "wp-plugin-name" in them
if [ -n "$plugin_slug" ]; then
    rename_command="mv {} \$(echo {} | sed \"s/wp-plugin-name/$plugin_slug/\")"
    find . -depth -iname "*wp-plugin-name*" -execdir sh -c "$rename_command" \;
else
    plugin_slug='wp-plugin-name'
fi

# Navigate to plugin folder
cd "$plugin_slug"

# Escape slashes for text replacement
plugin_name="${plugin_name//\//\/}"
plugin_description="${plugin_description//\//\/}"
plugin_uri="${plugin_uri//\//\/}"
author_uri="${author_uri//\//\/}"

# Replace text for "example.com/wp-plugin-name-uri" and "example.com"
if [ -n "$plugin_uri" ]; then
grep -rl "http://example.com/wp-plugin-name-uri" ./* | xargs sed -i '' -e "s/http:\/\/example.com\/wp-plugin-name-uri/$plugin_uri/g"
fi

if [ -n "$author_uri" ]; then
grep -rl "http://example.com" ./* | xargs sed -i '' -e "s/http:\/\/example.com/$author_uri/g"
fi

# Replace text for "wp-plugin-name"
if [ "wp-plugin-name" != "$plugin_slug" ]; then
grep -rl "wp-plugin-name" ./* | xargs sed -i '' -e "s/wp-plugin-name/$plugin_slug/g"
fi

# Replace Namespace references for the text "WP_Plugin_Name"
if [ -n "$plugin_namespace" ]; then
grep -rl "WP_Plugin_Name" ./* | xargs sed -i '' -e "s/WP_Plugin_Name/$plugin_namespace/g"
fi

# Replace text for Your Name
if [ -n "$author_name" ]; then
grep -rl "Your Name or Your Company" ./* | xargs sed -i '' -e "s/Your Name or Your Company/$author_name/g"
fi

# Replace text for WordPress Plugin Boilerplate
if [ -n "$plugin_name" ]; then
grep -rl "WordPress Plugin Boilerplate" ./* | xargs sed -i '' -e "s/WordPress Plugin Boilerplate/$plugin_name/g"
fi

# Replace plugin description
if [ -n "$plugin_description" ]; then
grep -rl "This is a short description of what the plugin does. It's displayed in the WordPress admin area." ./* | xargs sed -i '' -e "s/This is a short description of what the plugin does\. It's displayed in the WordPress admin area\./$plugin_description/g"
fi

# Clean up
rm -R $tmp_dir
cd "$pwd"

# Notify user of completion
echo "Plugin boilerplate installed at $plugin_path/$plugin_slug"