$ git clone -n https://src.fedoraproject.org/rpms/libxcrypt.git /var/lib/mock/f39-build-1514859-35645/root/chroot_tmpdir/scmroot/libxcrypt
Cloning into '/var/lib/mock/f39-build-1514859-35645/root/chroot_tmpdir/scmroot/libxcrypt'...
$ git fetch origin 392bd8f6af2d1af0d84d93b0d706d068e93406cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxcrypt
 * [new ref]         392bd8f6af2d1af0d84d93b0d706d068e93406cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 392bd8f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild