Refactored grep for macOS window manager detection

Co-Authored-By: nibblonian <ted+github@rusts.net>

Refactored grep for macOS window manager detection
4548c56e · Ryan Hanson · GitHub · 296fb685 · 4548c56e
Unverified Commit 4548c56e authored Aug 07, 2019 by Ryan Hanson Committed by GitHub Aug 07, 2019
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--- a/neofetch
+++ b/neofetch
@@ -1631,7 +1631,18 @@ get_wm() {
    else
        case "$os" in
            "Mac OS X")
-                ps_line="$(ps -e | grep -o '[S]pectacle\|[A]methyst\|[k]wm\|[c]hun[k]wm\|[y]abai\|[R]ectangle')"
+                wm_names=(
+                    "[S]pectacle"
+                    "[A]methyst"
+                    "[k]wm"
+                    "[c]chun[k]wm"
+                    "[y]abai"
+                    "[R]ectangle"
+                )
+
+                regex_part=$( IFS='|'; echo "${wm_names[*]}" )
+
+                ps_line=$(ps -e | grep -Eio "$regex_part")

                case "$ps_line" in
                    *"chunkwm"*)   wm="chunkwm" ;;