From 0f805a31db48d5fa56f53bb6f7da5efd81b70992 Mon Sep 17 00:00:00 2001
From: Ben Soares <b.soares@dundee.ac.uk>
Date: Thu, 8 Aug 2024 10:35:43 +0100
Subject: [PATCH] JAL-3631 Better messaging and a root check on updating the
 --installation

---
 utils/getdown/bin/update.sh              |    9 +++++++++
 utils/install4j/macos-install-jalview.sh |    2 ++
 2 files changed, 11 insertions(+)

diff --git a/utils/getdown/bin/update.sh b/utils/getdown/bin/update.sh
index 28755aa..03f369e 100755
--- a/utils/getdown/bin/update.sh
+++ b/utils/getdown/bin/update.sh
@@ -12,6 +12,7 @@ USAGE="Please use either --installation or --userspace"
 DEBUG=0
 USERSPACE=0
 INSTALLATION=0
+DISABLEROOTCHECK=0
 for RAWARG in "${@}"; do
   ARG="${RAWARG%%=*}"
   case "${ARG}" in
@@ -24,6 +25,9 @@ for RAWARG in "${@}"; do
     --userspace)
       USERSPACE=1
       ;;
+    --norootcheck)
+      DISABLEROOTCHECK=1
+      ;;
     *)
       echo "Unknown option '${ARG}'.  ${USAGE}." >&2
       exit 2
@@ -160,6 +164,11 @@ fi
 
 # INSTALLATION update
 if [ "${INSTALLATION}" = 1 ]; then
+  # root permissions check
+  if [ "${DISABLEROOTCHECK}" != 1 -a "${EUID}" != 0 ]; then
+    echo "--installation updates should be run with root permissions, or disable this root check with --norootcheck" >&2
+    exit 6
+  fi
   JVMARGS=( "${JVMARGS[@]}" "-Duserdefaultappdir=false" )
   JVMARGS=( "${JVMARGS[@]}" "-Dnouserdefaultappdir=true" )
   JVMARGS=( "${JVMARGS[@]}" "-Dlauncher.appdir=${APPDIR}" )
diff --git a/utils/install4j/macos-install-jalview.sh b/utils/install4j/macos-install-jalview.sh
index 664ba90..aa9f0fd 100755
--- a/utils/install4j/macos-install-jalview.sh
+++ b/utils/install4j/macos-install-jalview.sh
@@ -133,6 +133,8 @@ myecho() {
 
 # no -d or -i arguments
 if [ "${DOWNLOAD}" = 0 -a -z "${DMGFILE}" ]; then
+  echo "Please use one of -d or -i options"
+  echo ""
   usage
   exit 0
 fi
-- 
1.7.10.2