$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f41-p550-868839-176173/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f41-p550-868839-176173/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin dc213b355279b98dab310466d11cf16a9974d7d7:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             dc213b355279b98dab310466d11cf16a9974d7d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  86% (191/222)
Updating files:  87% (194/222)
Updating files:  88% (196/222)
Updating files:  89% (198/222)
Updating files:  90% (200/222)
Updating files:  91% (203/222)
Updating files:  92% (205/222)
Updating files:  93% (207/222)
Updating files:  94% (209/222)
Updating files:  95% (211/222)
Updating files:  96% (214/222)
Updating files:  97% (216/222)
Updating files:  98% (218/222)
Updating files:  99% (220/222)
Updating files: 100% (222/222)
Updating files: 100% (222/222), done.
HEAD is now at dc213b355 Fix IOMMU patch