$ git clone -n https://src.fedoraproject.org/rpms/rust-greetd_ipc.git /var/lib/mock/f39-build-1469924-33869/root/chroot_tmpdir/scmroot/rust-greetd_ipc
Cloning into '/var/lib/mock/f39-build-1469924-33869/root/chroot_tmpdir/scmroot/rust-greetd_ipc'...
$ git fetch origin 81f9ee1b79f17beafd3d4919f08b8c6795a176ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-greetd_ipc
 * [new ref]         81f9ee1b79f17beafd3d4919f08b8c6795a176ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81f9ee1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild