build.sh: Fix update_sums hash generation

Needed to source conf.sh again after updating the hashes to pull in the
latest value to the run environment.

build.sh

@@ -334,15 +334,17 @@ if have_command "update_sums"; then
     # Only the files in the zfs-utils package will be updated
     run_cmd_show_and_capture_output "sha256sum ${script_dir}/src/zfs-utils/zfs-utils.bash-completion-r1"
     azsha1=$(echo ${run_cmd_output} | awk '{ print $1 }')
-    run_cmd "sed -e 's/^zfs_bash_completion_hash.*/zfs_bash_completion_hash=\"${azsha1}\"/g' -i ${script_dir}/conf.sh"
+    run_cmd_no_output "sed -e 's/^zfs_bash_completion_hash.*/zfs_bash_completion_hash=\"${azsha1}\"/g' -i ${script_dir}/conf.sh"
 
     run_cmd_show_and_capture_output "sha256sum ${script_dir}/src/zfs-utils/zfs-utils.initcpio.hook"
     azsha2=$(echo ${run_cmd_output} | awk '{ print $1 }')
-    run_cmd "sed -e 's/^zfs_initcpio_hook_hash.*/zfs_initcpio_hook_hash=\"${azsha2}\"/g' -i ${script_dir}/conf.sh"
+    run_cmd_no_output "sed -e 's/^zfs_initcpio_hook_hash.*/zfs_initcpio_hook_hash=\"${azsha2}\"/g' -i ${script_dir}/conf.sh"
 
     run_cmd_show_and_capture_output "sha256sum ${script_dir}/src/zfs-utils/zfs-utils.initcpio.install"
     azsha3=$(echo ${run_cmd_output} | awk '{ print $1 }')
-    run_cmd "sed -e 's/^zfs_initcpio_install_hash.*/zfs_initcpio_install_hash=\"${azsha3}\"/g' -i ${script_dir}/conf.sh"
+    run_cmd_no_output "sed -e 's/^zfs_initcpio_install_hash.*/zfs_initcpio_install_hash=\"${azsha3}\"/g' -i ${script_dir}/conf.sh"
+
+    source_safe "${script_dir}/conf.sh"
 fi