resolution: Fix errors on non-retina screens [macOS]

Added a check to see if the plist file we use for checking the scale factor exists

resolution: Fix errors on non-retina screens [macOS]
1ab898e9 · Andrew Titmuss · bb938979 · 1ab898e9
Unverified Commit 1ab898e9 authored Oct 18, 2017 by Andrew Titmuss
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--- a/neofetch
+++ b/neofetch
@@ -1540,14 +1540,18 @@ get_resolution() {
                              awk '/Resolution:/ {printf $2"x"$4" @ "$6"Hz, "}')"
            fi

-            scale_factor="$(PlistBuddy -c "Print DisplayAnyUserSets:0:0:Resolution" \
-                            /Library/Preferences/com.apple.windowserver.plist)"
+            if [[ -e "/Library/Preferences/com.apple.windowserver.plist" ]]; then
+                scale_factor="$(PlistBuddy -c "Print DisplayAnyUserSets:0:0:Resolution" \
+                                /Library/Preferences/com.apple.windowserver.plist)"
+            else
+                scale_factor=""
+            fi

            # If no refresh rate is empty.
            [[ "$resolution" == *"@ Hz"* ]] && \
                resolution="${resolution//@ Hz}"

-            ((${scale_factor%.*} == 2)) && \
+            [[ "${scale_factor%.*}" == 2 ]] && \
                resolution="${resolution// @/@2x @}"

            if [[ "$refresh_rate" == "off" ]]; then