feat: Self-update

Author: leocavalcante

README.md

@@ -27,6 +27,12 @@ Take the advantage of goodie commands like `phpctl create` to start a new projec
 sh <(wget -qO- https://raw.githubusercontent.com/opencodeco/phpctl/main/installer.sh)
 ```
 
+#### Update
+You can re-run the installer or use the `self-update` command:
+```shell
+phpctl self-update
+```
+
 ## Usage
 Then you can use `phpctl` or `pctl` with a subcommand:
 ```shell
@@ -77,12 +83,13 @@ phpctl sh echo 'Hello, World!' # To run arbitrary sh commands inside the contain
 - `box`
 
 ### Helpers
-| Command | Description |
-|------------------------------|--------------------------------------------------------------|
-| `help` or `man` | Displays a help message. |
-| `doctor` | Inspects the current `PHP_VERSION` and `PHPCTL_IMAGE`. |
-| `build` | Builds the current `Dockerfile` (useful for custom images). |
-| `images` | Shows local `phpctl` images. |
+| Command | Description |
+|-----------------|-------------------------------------------------------------|
+| `help` or `man` | Displays a help message. |
+| `self-update` | Updates `phpctl` iself. |
+| `doctor` | Inspects the current `PHP_VERSION` and `PHPCTL_IMAGE`. |
+| `build` | Builds the current `Dockerfile` (useful for custom images). |
+| `images` | Shows local `phpctl` images. |
 
 ## The `.phpctlrc` file
 You can also add a `.phpctlrc` file at project's root directory with some overrides like:

src/help.sh

@@ -32,6 +32,7 @@ help() {
  echo -e "\033[0;32m init [skeleton] \033[0m Initializes a skeleton configuration (phpunit, php-cs-fixer)"
  echo -e "\033[0;32m box \033[0m Runs Box (PHAR builder)"
  echo -e "\033[0;32m help or man \033[0m Displays this help message"
+ echo -e "\033[0;32m self-update \033[0m Updates phpctl itself"
  echo -e "\033[0;32m doctor \033[0m Inspects the current PHP_VERSION and PHPCTL_IMAGE"
  echo -e "\033[0;32m build \033[0m Builds the current Dockerfile (useful for custom images)"
  echo -e "\033[0;32m images \033[0m Shows local phpctl images"

src/self-update.sh

@@ -0,0 +1,6 @@
+self-update() {
+ echo -e "Heading to \033[33m$PHPCTL_DIR\033[0m to update..."
+ cd $PHPCTL_DIR
+ git pull origin HEAD
+ echo -e "\033[32mUpdated!\033[0m"
+}