#!/bin/bash
# Author: Cpm
# License: GNU AGPLv3+

#set -ex

BINDIR=/srv/forgejo/bin
GITEA_HOME=/srv/forgejo
export GITEA_WORK_DIR=/srv/forgejo

cd $BINDIR

if [ -z "$1" ]; then
    echo "Need version value."
else
    #
    VERSION="$1"
    
    # Verify.
    if ./forgejo --version | grep -q "version $VERSION " ; then
        echo "Same version."
    else
        # Download the binary file.
        wget https://codeberg.org/forgejo/forgejo/releases/download/v${VERSION}/forgejo-${VERSION}-linux-amd64

        # Check the binary file.
        wget https://codeberg.org/forgejo/forgejo/releases/download/v${VERSION}/forgejo-${VERSION}-linux-amd64.sha256
        sha256sum -c forgejo-${VERSION}-linux-amd64.sha256

        # Verify the binary file.
        wget https://codeberg.org/forgejo/forgejo/releases/download/v${VERSION}/forgejo-${VERSION}-linux-amd64.asc
        gpg --keyserver keys.openpgp.org --recv EB114F5E6C0DC2BCDD183550A4B61A2DC5923710
        gpg --verify forgejo-${VERSION}-linux-amd64.asc forgejo-${VERSION}-linux-amd64
        
        # Flush queues.
        su - git -c "cd /srv/forgejo/bin ; $BINDIR/forgejo -c /etc/forgejo/forgejo.ini manager flush-queues"

        # Stop.
        systemctl stop forgejo

        # Call doctor.
        su - git -c "cd /srv/forgejo/bin ; $BINDIR/forgejo doctor --all --fix -c /etc/forgejo/forgejo.ini -C /srv/forgejo/custom -w /srv/forgejo/"

        # Dump.
        su - git -c "cd /srv/forgejo/bin ; $BINDIR/forgejo dump --tempdir $GITEA_HOME/tmp/ -c /etc/forgejo/forgejo.ini -C /srv/forgejo/custom -w /srv/forgejo/"

        # Upgrade.
        chmod u+x forgejo-${VERSION}-linux-amd64
        chown git.git forgejo-${VERSION}-linux-amd64
        ln --force forgejo-${VERSION}-linux-amd64 forgejo

        # Start.
        #systemctl start forgejo
        echo "Please, check then start the service Forgejo."
	read -e -p "Start Forgejo service? [Y/n] " choice
	if [[ "$choice" =~ ^[yY]$  ]]; then
	    echo "Restarting…"
	    systemctl start forgejo
	    journalctl -f -u forgejo
	fi
    fi
fi