$ git clone -n https://src.fedoraproject.org/rpms/kcachegrind.git /var/lib/mock/f40-build-2410641-60560/root/chroot_tmpdir/scmroot/kcachegrind
Cloning into '/var/lib/mock/f40-build-2410641-60560/root/chroot_tmpdir/scmroot/kcachegrind'...
$ git fetch origin d3c487d0ab93ec6212c04a846ada184796cf7673:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcachegrind
 * [new ref]         d3c487d0ab93ec6212c04a846ada184796cf7673 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3c487d 24.01.95