add auto-update mechanism

README.md

@@ -100,6 +100,9 @@ ampm --server='nfs://1.2.3.4/some/repo' get foobar:mbf5qxqli76zx7btc5n7fkq47tjs6
 
 # Remove artifact from server (must be precise hash), Make sure no one is using the artifact!
 ampm remote-rm --i-realise-this-may-break-other-peoples-builds-in-the-future foobar:mbf5qxqli76zx7btc5n7fkq47tjs6cl2
+
+# Update ampm
+ampm update
 ```
 
 ## Hash calculation algorithm

ampm/__init__.py

@@ -1 +1 @@
-__version__ = '1.5.3'
+__version__ = '1.5.5'

ampm/cli.py

@@ -527,6 +527,11 @@ def edit(ctx: click.Context, artifact: str, attr: Dict[str, str], env: Dict[str,
     remote_repo.edit_artifact(artifact, attr, env)
 
 
+@cli.command()
+def update():
+    os.system("/opt/ampm/update.sh")
+
+
 def main():
     cli()
 

ampm/get_ampm.sh

@@ -2,6 +2,8 @@
 set -e
 
 REMOTE_REPO="nfs://127.0.0.1/mnt/myshareddir#ampm_repo"
+UPDATE_URL="https://github.com/Wazzaps/ampm/releases/latest/download/get_ampm.sh"
+UPDATE_CMD="curl -fsSL $UPDATE_URL | sudo sh"
 
 if [ "$(id -u)" -ne 0 ]; then
     echo 'This script must be run as root'
@@ -17,6 +19,12 @@ echo ''
 echo "Configuring remote repo to be '$REMOTE_REPO'..."
 echo "$REMOTE_REPO" > /opt/ampm.tmp/repo_uri
 
+echo ''
+echo "Configuring update url to be '$UPDATE_URL'..."
+echo "#!/bin/sh" > /opt/ampm.tmp/update.sh
+echo "$UPDATE_CMD" >> /opt/ampm.tmp/update.sh
+chmod +x /opt/ampm.tmp/update.sh
+
 echo ''
 echo 'Adding ampm launcher to /usr/local/bin/...'
 install /opt/ampm.tmp/ampm.sh /usr/local/bin/ampm