Update Lemmy (Debian, no Docker)

update_lemmy.sh

#!/bin/bash

set -euxo pipefail

cd /var/lib/lemmy-ui
uiversion=$(git tag | grep -v "rc
beta
v
0.9." | tail --lines 1)

echo "Updating lemmy-ui to $uiversion; check https://github.com/lemmynet/lemmy-ui/tags to confirm"

sudo -u lemmy -H sh -c "git checkout main"
sudo -u lemmy -H sh -c "git pull --tags"
sudo -u lemmy -H sh -c "git checkout $uiversion"
sudo -u lemmy -H sh -c "git submodule update"
sudo -u lemmy -H sh -c "yarn install --pure-lockfile"
sudo -u lemmy -H sh -c "yarn build:prod"
sudo systemctl restart lemmy-ui

cargo install lemmy_server --target-dir /usr/bin/ --locked --features embed-pictrs
sudo systemctl restart lemmy

cd /var/lib/pictrs-source
rustup update
git checkout main
git pull --tags
# officially, we're supposed to check docker-compose.yml for pict-rs version used by lemmy:
# https://github.com/LemmyNet/lemmy-ansible/blob/main/templates/docker-compose.yml
git checkout $(git describe --tags)
# or simply add the bin folder to your $PATH
$HOME/.cargo/bin/cargo build --release
sudo systemctl stop pictrs
sudo cp target/release/pict-rs /usr/bin/
sudo systemctl start pictrs