$ git clone -n https://src.fedoraproject.org/rpms/obs-studio-plugin-droidcam.git /var/lib/mock/f45-build-20431-570/root/chroot_tmpdir/scmroot/obs-studio-plugin-droidcam
Cloning into '/var/lib/mock/f45-build-20431-570/root/chroot_tmpdir/scmroot/obs-studio-plugin-droidcam'...
$ git fetch origin 4a888059205043a587bfffa2324dbc1d65e4055d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/obs-studio-plugin-droidcam
 * [new ref]         4a888059205043a587bfffa2324dbc1d65e4055d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a88805 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild