$ git clone -n https://src.fedoraproject.org/rpms/libvidcap.git /var/lib/mock/f40-build-741422-110158/root/chroot_tmpdir/scmroot/libvidcap
Cloning into '/var/lib/mock/f40-build-741422-110158/root/chroot_tmpdir/scmroot/libvidcap'...
$ git fetch origin 96660eedfc734eb2a0a4a3d600d9632c20f49daa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvidcap
 * [new ref]         96660eedfc734eb2a0a4a3d600d9632c20f49daa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96660ee Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild