Variable SKIP_UNINSTALLED introduced

Fixes #321.

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## v10
 
+- Introducing variable `SKIP_UNINSTALLED` that normally will be `0` and the script will run and install the software label if other conditions align with this. Use `SKIP_UNINSTALLED=1` to have the script stop if a current installation of the app is not found.
 -
 
 ## v9

fragments/functions.sh

@@ -228,8 +228,12 @@ getAppVersion() {
     else
         applist=$(mdfind "kind:application $appName" -0 )
     fi
-    if [[ -z applist ]]; then
+    if [[ -z $applist ]]; then
+        if [[ $SKIP_UNINSTALLED -eq 1 ]]; then
+            cleanupAndExit 0 "No previous app found, and SKIP_UNINSTALLED=1." REQ
+        else
         printlog "No previous app found" DEBUG
+        fi
     else
         printlog "App(s) found: ${applist}" DEBUG
     fi

fragments/header.sh

@@ -110,6 +110,13 @@ INSTALL=""
 #                  if it is newer/different in version
 #  - force         Install even if it’s the same version
 
+# skip if app is not currently installed
+SKIP_UNINSTALLED=0
+# options:
+#  - 0             Run normally and install the app if other conditions are met.
+#  - 1             If app is not currently installed we will not install anything.
+#                  This is mostly done in the getAppVersion function, and if it cannot
+#                  locate the app, the script will exit.
 
 # Re-opening of closed app
 REOPEN="yes"

fragments/main.sh

@@ -93,6 +93,7 @@ if [ -z "$appName" ]; then
     # when not given derive from name
     appName="$name.app"
 fi
+printlog "appName: $appName" INFO
 
 if [ -z "$targetDir" ]; then
     case $type in