which trials and tribulations

.travis.yml

@@ -0,0 +1,19 @@
+os: linux
+language: cpp
+matrix:
+  include:
+    - env: TEST=shellcheck
+      services:
+        - docker
+      script: |
+        set -e
+        shopt -s globstar nullglob
+        CHECK=( **/*.sh )
+        [[ ${#CHECK[@]} -eq 0 ]] && exit
+        docker run -v $(pwd):$(pwd) -w $(pwd) \
+          koalaman/shellcheck-alpine:v0.4.6 -x "${CHECK[@]}"
+branches:
+  only:
+  - master
+notifications:
+  email: false

ups/eupspkg.cfg.sh

@@ -1,7 +1,9 @@
+#!/bin/bash
+
 # Work around SIP on MacOSX
 build() {
     export DYLD_LIBRARY_PATH=$LSST_LIBRARY_PATH
-    python $(which scons) -j$NJOBS prefix="$PREFIX" version="$VERSION" cc="$CC"
+    python "$(command -v scons)" -j"$NJOBS" prefix="$PREFIX" version="$VERSION" cc="$CC"
 }
 
 install() {