$ git clone -n https://src.fedoraproject.org/rpms/libretro-pcsx-rearmed.git /var/lib/mock/f45-build-16884-493/root/chroot_tmpdir/scmroot/libretro-pcsx-rearmed
Cloning into '/var/lib/mock/f45-build-16884-493/root/chroot_tmpdir/scmroot/libretro-pcsx-rearmed'...
$ git fetch origin 1aab4975d2da64501770c38fd57815c149e35a11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libretro-pcsx-rearmed
 * [new ref]         1aab4975d2da64501770c38fd57815c149e35a11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aab497 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild