$ git clone -n https://github.com/fedora-riscv/credentials-fetcher.git /var/lib/mock/f39-build-2398316-60545/root/chroot_tmpdir/scmroot/credentials-fetcher
Cloning into '/var/lib/mock/f39-build-2398316-60545/root/chroot_tmpdir/scmroot/credentials-fetcher'...
$ git fetch origin 02a16e468e23a9c0173aaaf6e15533b8124b1241:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/credentials-fetcher
 * [new ref]         02a16e468e23a9c0173aaaf6e15533b8124b1241 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02a16e4 Rebuild for f39