Promote v0.1.14 to production

install.sh

@@ -179,6 +179,16 @@ Options:
 EOF
 }
 
+# The command line as given, shell-quoted: a refusal can then print the exact
+# command to run next instead of a flag to add by hand.
+ORIG_ARGS=""
+for _arg in "$@"; do
+  case "$_arg" in
+    *[!A-Za-z0-9_./:=@,+-]*|"") ORIG_ARGS="$ORIG_ARGS '$(printf '%s' "$_arg" | sed "s/'/'\\\\''/g")'" ;;
+    *) ORIG_ARGS="$ORIG_ARGS $_arg" ;;
+  esac
+done
+
 while [ $# -gt 0 ]; do
   case "$1" in
     --version)       VERSION="$2"; shift 2 ;;
@@ -388,6 +398,29 @@ esac
 # by digest, and lets the daemon pull, health-gate and roll back. A freshly
 # downloaded install.sh is trust-on-first-use again; handing the update to the
 # installed gpuk keeps a re-run inside the chain the first install established.
+# An install older than gpuk-on-the-host has nothing to hand the update to: the
+# only way forward is a reinstall over it. Offer it on a terminal, and always
+# print the complete command — never a flag to splice in by hand.
+if [ "$EXISTING" = "manifest" ] && [ -z "$RECONFIGURE" ] && [ "$DRY_RUN" -eq 0 ] \
+  && [ ! -x "$GPUK_CLI" ]; then
+  step "Update — this install predates gpuk on the host"
+  REINSTALL_CMD="curl -fsSL https://gpu.kitchen/install.sh | sudo sh -s --$ORIG_ARGS --reinstall"
+  echo "  It has no $GPUK_CLI to update it with. Reinstalling over it keeps its settings"
+  echo "  and leaves gpuk on the host for every later update:"
+  echo
+  echo "    $REINSTALL_CMD"
+  echo
+  if can_prompt; then
+    ask "  Reinstall over it now? [Y/n] "
+    case "$REPLY" in
+      ""|y|Y|yes|YES|o|O|oui) REINSTALL=1; reconfigure "--reinstall" ;;
+      *) die "nothing was changed. Run the command above when you are ready." ;;
+    esac
+  else
+    die "nothing was changed. Run the command above to reinstall over it."
+  fi
+fi
+
 if [ "$EXISTING" = "manifest" ] && [ -z "$RECONFIGURE" ]; then
   step "Update — handed to the installed gpuk"
   if [ "$DRY_RUN" -eq 1 ]; then
@@ -396,9 +429,6 @@ if [ "$EXISTING" = "manifest" ] && [ -z "$RECONFIGURE" ]; then
     echo "  existing      : yes — updated in place"
     exit 0
   fi
-  [ -x "$GPUK_CLI" ] \
-    || die "this install has no $GPUK_CLI to update it with. Re-run with --reinstall: it reinstalls
-      over the existing install, keeps its settings, and leaves gpuk on the host for the next update."
   "$GPUK_CLI" update || die "the update failed — gpuk reported the cause just above"
   echo
   echo "${BOLD}${GREEN}GPU Kitchen is up to date.${RESET}"