build.sh: Add -U to update file sums

build.sh

@@ -31,6 +31,7 @@ usage() {
     echo "    -n:    Dryrun; Output commands, but don't do anything."
     echo "    -d:    Show debug info."
     echo "    -u:    Perform an update in the clean chroot."
+    echo "    -U:    Update the file sums in conf.sh."
     echo "    -C:    Remove all files that are not package sources."
     echo
     echo "Modes:"
@@ -262,6 +263,8 @@ for (( a = 0; a < $#; a++ )); do
         commands+=("cleanup")
     elif [[ ${args[$a]} == "-u" ]]; then
         commands+=("update_chroot")
+    elif [[ ${args[$a]} == "-U" ]]; then
+        commands+=("update_sums")
     elif [[ ${args[$a]} == "-n" ]]; then
         dry_run=1
     elif [[ ${args[$a]} == "-d" ]]; then
@@ -295,6 +298,22 @@ fi
 msg "$(date) :: ${script_name} started..."
 
 
+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_show_and_capture_output "sha256sum ${script_dir}/src/zfs-utils/zfs-utils.initcpio.hook"
+    azsha2=$(echo ${run_cmd_output} | awk '{ print $1 }')
+    run_cmd "sed -e 's/^zfs_initcpio_hook_hash.*/zfs_initcpio_hook_hash=\"${azsha1}\"/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 $1 }')
+    run_cmd "sed -e 's/^zfs_initcpio_install_hash.*/zfs_initcpio_install_hash=\"${azsha1}\"/g' -i ${script_dir}/conf.sh"
+fi
+
+
 if have_command "update_chroot"; then
     msg "Updating the x86_64 clean chroot..."
     run_cmd "sudo ~/bin/ccm64 u"