$ git clone -n https://src.fedoraproject.org/rpms/httpcomponents-core.git /var/lib/mock/f41-build-745812-13350/root/chroot_tmpdir/scmroot/httpcomponents-core
Cloning into '/var/lib/mock/f41-build-745812-13350/root/chroot_tmpdir/scmroot/httpcomponents-core'...
$ git fetch origin bbcc9cefae8bda97750477355ecb51f877a30e12:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/httpcomponents-core
 * [new ref]         bbcc9cefae8bda97750477355ecb51f877a30e12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbcc9ce Rebuilt for java-21-openjdk as system jdk