$ git clone -n https://src.fedoraproject.org/rpms/rust-llvm-bitcode.git /var/lib/mock/f40-build-2037706-48120/root/chroot_tmpdir/scmroot/rust-llvm-bitcode
Cloning into '/var/lib/mock/f40-build-2037706-48120/root/chroot_tmpdir/scmroot/rust-llvm-bitcode'...
$ git fetch origin ac3415404a499c3e53c14d1a26e63a6bc1bf5fb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-llvm-bitcode
 * [new ref]         ac3415404a499c3e53c14d1a26e63a6bc1bf5fb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac34154 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild