Avoid externals when parsing the os release on linux

Powerlevel9k · Jan 23, 2019 · 938b0d4 · 938b0d4
1 parent 735994f
commit 938b0d4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/functions/utilities.zsh b/functions/utilities.zsh
@@ -103,7 +103,7 @@ case $(uname) in
     Linux)
       OS='Linux'
       if [ -f /etc/os-release ]; then
-        os_release_id="$(grep -E '^ID=([a-zA-Z]*)' /etc/os-release | cut -d '=' -f 2)"
+        [[ ${(f)"$((</etc/os-release) 2>/dev/null)"} =~ "ID=([A-Za-z]+)" ]] && os_release_id="${match[1]}"
       fi
       case "$os_release_id" in
         *arch*)