Update package_manager_init.sh

Author: CLHatch

.scripts/package_manager_init.sh

@@ -10,7 +10,7 @@ package_manager_init() {
     run_script 'config_package_manager'
 
     declare -lgx PM
-    
+
     local PreferredPackageManager
     PreferredPackageManager="$(run_script 'config_get' PackageManager)"
     if [[ -n ${PreferredPackageManager} ]]; then
@@ -20,40 +20,43 @@ package_manager_init() {
             warn "Selected package manager '${C["UserCommand"]}${PreferredPackageManager}${NC}' not found."
         fi
     fi
-    if [[ -n ${PM} ]]; then
+    if [[ -z ${PM} ]]; then
         notice "Automatically detecting package managers."
         for pmname in "${PM_PACKAGE_MANAGERS[@]}"; do
             if [[ -n $(command -v "${PM_PACKAGE_MANAGER_COMMAND["${pmname}"]}") ]]; then
                 PM="${pmname}"
                 break
             fi
         done
-        if [[ -z ${PM-} ]]; then
-            #shellcheck disable=SC2124 #Assigning an array to a string! Assign as array, or use * instead of @ to concatenate.
-            local pmlist="${PM_PACKAGE_MANAGERS[@]}"
-            pmlist="${pmlist// /${NC}\', \'${C["UserCommand"]}}"
-            pmlist="${NC}'${C["UserCommand"]}${pmlist}${NC}'"
-            fatal \
-                "Unable to detect a compatible package manager. Compatible packages managers are:\n" \
-                "   ${pmlist}"
-        fi
-        notice "Using detected package manager '${C["UserCommand"]}${PM}${NC}'."
-        
-        if [[ -v PM_${PM^^}_COMMAND_DEPS ]]; then
-            declare -ngx PM_COMMAND_DEPS="PM_${PM^^}_COMMAND_DEPS"
-        else
-            declare -ngx PM_COMMAND_DEPS="PM__COMMAND_DEPS"
-        fi
-        if [[ -v PM_${PM^^}_DEP_PACKAGE ]]; then
-            declare -ngx PM_DEP_PACKAGE="PM_${PM^^}_DEP_PACKAGE"
-        else
-            declare -ngx PM_DEP_PACKAGE="PM__DEP_PACKAGE"
-        fi
-        if [[ -v PM_${PM^^}_PACKAGE_BLACKLIST ]]; then
-            declare -ngx PM_PACKAGE_BLACKLIST="PM_${PM^^}_PACKAGE_BLACKLIST"
-        else
-            declare -ngx PM_PACKAGE_BLACKLIST="PM__PACKAGE_BLACKLIST"
-        fi
+    fi
+
+    if [[ -z ${PM-} ]]; then
+        #shellcheck disable=SC2124 #Assigning an array to a string! Assign as array, or use * instead of @ to concatenate.
+        local pmlist="${PM_PACKAGE_MANAGERS[@]}"
+        pmlist="${pmlist// /${NC}\', \'${C["UserCommand"]}}"
+        pmlist="${NC}'${C["UserCommand"]}${pmlist}${NC}'"
+        fatal \
+            "Unable to detect a compatible package manager. Compatible packages managers are:\n" \
+            "   ${pmlist}"
+    fi
+    notice "Using detected package manager '${C["UserCommand"]}${PM}${NC}'."
+
+    # Set the global variables to use for the selected package manager
+    if [[ -v PM_${PM^^}_COMMAND_DEPS ]]; then
+        declare -ngx PM_COMMAND_DEPS="PM_${PM^^}_COMMAND_DEPS"
+    else
+        declare -ngx PM_COMMAND_DEPS="PM__COMMAND_DEPS"
+    fi
+    if [[ -v PM_${PM^^}_DEP_PACKAGE ]]; then
+        declare -ngx PM_DEP_PACKAGE="PM_${PM^^}_DEP_PACKAGE"
+    else
+        declare -ngx PM_DEP_PACKAGE="PM__DEP_PACKAGE"
+    fi
+    if [[ -v PM_${PM^^}_PACKAGE_BLACKLIST ]]; then
+        declare -ngx PM_PACKAGE_BLACKLIST="PM_${PM^^}_PACKAGE_BLACKLIST"
+    else
+        declare -ngx PM_PACKAGE_BLACKLIST="PM__PACKAGE_BLACKLIST"
+    fi
 }
 
 test_package_manager_init() {