$ git clone -n https://src.fedoraproject.org/rpms/stlink.git /var/lib/mock/f40-build-1897565-25065/root/chroot_tmpdir/scmroot/stlink
Cloning into '/var/lib/mock/f40-build-1897565-25065/root/chroot_tmpdir/scmroot/stlink'...
$ git fetch origin c8f023898ad45b0267d73ca4f9da02f436781f9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stlink
 * [new ref]         c8f023898ad45b0267d73ca4f9da02f436781f9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8f0238 Fix build with GCC 14.