If there is no /usr/local/bin/pkgx then install too

Author: mxcl

installer.sh

@@ -82,17 +82,14 @@ _install_pkgx() {
 }
 
 _should_install_pkgx() {
-  if ! command -v pkgx >/dev/null 2>&1; then
+  if [ -x /usr/local/bin/pkgx ] && [ -f /usr/local/bin/pkgx ]; then
+    # if the installed version is less than the available version then upgrade
+    /usr/local/bin/pkgx --silent semverator gt \
+      $(curl -Ssf https://pkgx.sh/VERSION) \
+      $(/usr/local/bin/pkgx --version | awk '{print $2}') >/dev/null 2>&1
+  else
     return 0
-  elif [ $(/usr/bin/which pkgx) != /usr/local/bin/pkgx ]; then
-    # if pkgx is not installed to /usr/local/bin then we’re not getting involved
-    return 1
   fi
-
-  # if the installed version is less than the available version then upgrade
-  pkgx --silent semverator gt \
-    $(curl -Ssf https://pkgx.sh/VERSION) \
-    $(/usr/local/bin/pkgx --version | awk '{print $2}') >/dev/null 2>&1
 }
 
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