document update script

README.md

@@ -5,6 +5,7 @@
 > Gitea installation notes [git.berlin](https://git.berlin)
 
 - [Migration from GitLab](#migration-from-gitlab)
+- [Update Gitea](#update-gitea)
 - [Customization](#customization)
 - [Handy commands](#handy-commands)
 - [Gitea Documentation](#gitea-documentation)
@@ -13,7 +14,24 @@
 
 ## Migration from GitLab
 
-- [`migrate-gitlab-gitea.sh`](migrate-gitlab-gitea.sh)
+- [`bin/migrate-gitlab-gitea.sh`](bin/migrate-gitlab-gitea.sh)
+
+## Update Gitea
+
+- [`bin/update-gitea.sh`](bin/update-gitea.sh)
+
+Update script sets options by default, can be changed at top of script:
+
+- `giteaBinary`: Gitea binary under `/home/git/gitea/gitea`
+- `arch`: architecture is `linux-amd64`
+- `giteaUpdateStorage`: downloaded files will be stored in `/home/git/gitea-update`
+- `giteaUser`: linux user Gitea is running under, `git`
+- `giteaGroup`: linux group Gitea is running under, `git`
+
+```bash
+# run update script with sudo, passing version number as option
+sudo ./bin/update-gitea.sh 1.6.1
+```
 
 ## Customization
 

bin/update-gitea.sh

@@ -1,12 +1,7 @@
 #!/bin/sh
 #
-# usage, run as user git:
-#
-# sudo service gitea stop
-# ./update-gitea.sh 1.6.1
-# sudo service gitea start
-#
-# su -c "./update-gitea.sh 1.6.1" -s /bin/sh git
+# usage, run with sudo:
+# sudo ./update-gitea.sh 1.6.1
 #
 
 set -e
@@ -14,10 +9,29 @@ set -e
 version=$1
 arch="linux-amd64"
 giteaBinary="/home/git/gitea/gitea"
+giteaUpdateStorage="/home/git/gitea-update"
+giteaUser="git"
+giteaGroup="git"
 
-cd /home/git/gitea-update
+# stop Gitea
+sudo service gitea stop
+echo "Stopped Gitea."
+
+# download new binary
+cd $giteaUpdateStorage
+echo "Downloading gitea-${version}-${arch}..."
 
 wget -O "gitea-${version}-${arch}" "https://dl.gitea.io/gitea/${version}/gitea-${version}-${arch}"
 
+# copy new binary over old one
 cp "gitea-${version}-${arch}" $giteaBinary
-chmod +x $giteaBinary
+echo "Updated Gitea binary v${version}."
+
+# set permissions
+chown $giteaUser:$giteaGroup $giteaBinary
+chmod +x $giteaBinary
+echo "Set permissions."
+
+# start Gitea
+sudo service gitea start
+echo "Restarted Gitea. Update done."