Only clone each repository once

The repository is now only fetched for each deployment, which makes the whole process much faster especially for large repositories and repositories with many submodules.

README.md

@@ -57,7 +57,7 @@ This is a tutorial on how you would implement this setup with this toolset.
    
    When deleting a site with `site_remove`, all of these domain links are automatically removed as well. You can also use `site_unlink` to unlink specific domains.
 
-If you setup automatic deployments (see below), your sites are automatically updated to the newest revision. This is done by cloning the project using `project_deploy` and updating the links, so the domain always points to the latest revision.
+If you setup automatic deployments (see below), your sites are automatically updated to the newest revision. This is done by cloning or fetching the repository using `project_deploy` and updating the links, so the domain link always points to the latest revision.
 
 Let's say you committed a mistake (haha) and you want to rollback to the last deployed (working) revision.  
 Since our example site "main_site" is deployable (it has an origin repository), it stores a history of (by default) 5 versions and keeps the link to the last version. This means that you can easily return to the last version and manually to an even older version:
@@ -98,7 +98,9 @@ Every project/site follows this directory structure:
 	logs     # Logs of all deployments
 	├── <commit-hash>.log
 	├── <commit-hash>.log
-	versions # Fully separate Git repositories of the project
+	repo     # Clone of the project's Git repository
+	├── …
+	versions # Copies of the repository checked out to a specific revision
 	├── <id>-<commit-hash>
 	│   └── <project files>
 	└── <id>-<commit-hash>

bin/project_deploy

@@ -102,6 +102,26 @@ echo -e "\033[1;35mRun on \033[34m$(date)\033[35m by \033[34m$USER\033[35m:\n---
 	else
 		# No, fetch and install
 		
+		# Check if the repository has already been cloned
+		url=$(cat "$project/.origin")
+		if ! [[ -d "$project/repo" ]]; then
+			# No, clone it now
+			echo -e "\033[1mCloning from \033[34m$url\033[0;1m for the first time...\033[0m"
+			if ! git clone --recursive "$url" "$project/repo"; then
+				echo -e " => \033[31mCould not clone project \033[34m$project\033[31m from \033[34m$url\033[31m.\033[0m" >&2
+				exit 1
+			fi
+			echo -e " => \033[32mSuccess.\033[0m"
+		else
+			# Yes, only fetch from the remote repository
+			echo -e "\033[1mFetching new commits from \033[34m$url\033[0;1m...\033[0m"
+			if ! (cd "$project/repo"; git fetch; git submodule update --init --recursive); then
+				echo -e " => \033[31mCould not fetch from \033[34m$url\033[31m.\033[0m" >&2
+				exit 1
+			fi
+			echo -e " => \033[32mSuccess.\033[0m"
+		fi
+		
 		# Build the pathname of the destination directory
 		# Get all version names, get the last one, split it by "-" and get the first part, remove leading zeros
 		latestVersion=$(echo "$(ls "$project/versions" | tail -1)" | cut -f1 -d- | sed 's/^0*//')
@@ -109,13 +129,12 @@ echo -e "\033[1;35mRun on \033[34m$(date)\033[35m by \033[34m$USER\033[35m:\n---
 		versionName="$(printf "%05d" "$versionNumber")-$revision"
 		buildVersionPath
 		
-		# Clone the project
-		url=$(cat "$project/.origin")
-		echo -e "\033[1mCloning from \033[34m$url\033[0;1m...\033[0m"
-		if ! git clone --recursive "$url" "$destination"; then
-			echo -e " => \033[31mCould not clone project \033[34m$project\033[31m from \033[34m$url\033[31m.\033[0m" >&2
+		# Copy repository to new destination
+		echo -e "\033[1mCopying repository to deployment destination...\033[0m"
+		if ! cp -R "$project/repo" "$destination"; then
+			echo -e " => \033[31mCould not copy repository.\033[0m" >&2
 			project_deploy::reverse "$project" "$destination"
-			exit
+			exit 1
 		fi
 		echo -e " => \033[32mSuccess.\033[0m"
 		

bin/project_origin

@@ -96,4 +96,12 @@ else
 	echo -e " => \033[32mSuccess.\033[0m"
 fi
 
-exit 0
+# Remove repo to make sure the new origin is used in the future
+if [[ -d "$project/repo" ]]; then
+	echo -e "\033[1mDeleting the old repository for project \033[34m$project\033[0;1m...\033[0m"
+	if ! rm -Rf "$project/repo"; then
+		echo -e " => \033[31mSomething went wrong.\033[0m" >&2
+		exit 1
+	fi
+	echo -e " => \033[32mSuccess.\033[0m"
+fi