update install script

2019-10-29 19:35:59 -07:00 · 2019-10-29 19:35:59 -07:00 · 893b560d03
commit 893b560d03
parent 5d5f8301da
1 changed files with 12 additions and 3 deletions
--- a/install.sh
+++ b/install.sh
@ -1,6 +1,15 @@
 #!/bin/bash

 git submodule update --init --recursive
-pip2 install --user pyflakes
-pip3 install --user pynvim
-sudo npm install -g tern
+
+if [ -x "$(command -v pip2)" ]; then
+    pip2 install --user pyflakes
+fi
+
+if [ -x "$(command -v pip3)" ]; then
+    pip3 install --user pynvim
+fi
+
+if [ -x "$(command -v npm)" ]; then
+    sudo npm install -g tern
+fi