$ git clone -n https://src.fedoraproject.org/rpms/gdb.git /var/lib/mock/f40-build-801054-143725/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/f40-build-801054-143725/root/chroot_tmpdir/scmroot/gdb'...
$ git reset --hard 6dae373a201cffc7db0ed72cff4674343bec1707
HEAD is now at 6dae373 Rebase to FSF GDB 14.2.