$ git clone -n https://src.fedoraproject.org/rpms/libnsl2.git /var/lib/mock/f40-build-730488-103430/root/chroot_tmpdir/scmroot/libnsl2
Cloning into '/var/lib/mock/f40-build-730488-103430/root/chroot_tmpdir/scmroot/libnsl2'...
$ git fetch origin ebaa173b8cc321d1cad2f8ffbebbb9d746c01086:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libnsl2
 * [new ref]         ebaa173b8cc321d1cad2f8ffbebbb9d746c01086 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebaa173 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild