$ git clone -n https://src.fedoraproject.org/rpms/vala-language-server.git /var/lib/mock/f38-build-side-42-init-devel-630173-26376/root/chroot_tmpdir/scmroot/vala-language-server
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-630173-26376/root/chroot_tmpdir/scmroot/vala-language-server'...
$ git fetch origin 8e839239559c8765fcb41d8c575910ce0f953b50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vala-language-server
 * [new ref]         8e839239559c8765fcb41d8c575910ce0f953b50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e83923 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild