$ git clone -n https://git.cclinux.org/stage/rpms/compiler-rt /var/lib/mock/module-llvm-toolset-rhel8-8100020241112132935-e155f54d-build-118989-83086/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/module-llvm-toolset-rhel8-8100020241112132935-e155f54d-build-118989-83086/root/chroot_tmpdir/scmroot/compiler-rt'...
warning: redirecting to https://git.cclinux.org/stage/rpms/compiler-rt.git/
$ git fetch origin ecc1a8ff1d665483651516c752cc51a6952c9df6:KOJI_FETCH_HEAD
warning: redirecting to https://git.cclinux.org/stage/rpms/compiler-rt.git/
From https://git.cclinux.org/stage/rpms/compiler-rt
 * [new ref]         ecc1a8ff1d665483651516c752cc51a6952c9df6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecc1a8f import compiler-rt-18.1.8-1.module+el8.10.0+22061+3612b2ba