$ git clone -n https://src.fedoraproject.org/rpms/gtk-sharp3.git /var/lib/mock/f39-build-1768471-41501/root/chroot_tmpdir/scmroot/gtk-sharp3
Cloning into '/var/lib/mock/f39-build-1768471-41501/root/chroot_tmpdir/scmroot/gtk-sharp3'...
$ git fetch origin 48d987e9e91fcf7b8279c06788037b233cb7ecc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-sharp3
 * [new ref]         48d987e9e91fcf7b8279c06788037b233cb7ecc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48d987e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild