$ git clone -n https://src.fedoraproject.org/rpms/kernel-headers.git /var/lib/mock/f38-build-752975-116834/root/chroot_tmpdir/scmroot/kernel-headers
Cloning into '/var/lib/mock/f38-build-752975-116834/root/chroot_tmpdir/scmroot/kernel-headers'...
$ git reset --hard 15c0e21811133908972da0c886133c11ecb3a2a9
HEAD is now at 15c0e21 Update rpmversion to pkgversiont due to new rpm builtin