Fixes to shell script from testing on mac

install.sh

@@ -5,13 +5,13 @@ BIN_TARGET="/usr/local/bin/poly"
 # Proper cleanup if something happens
 # Unfortunately we can't undo PIP packages easily if they installed...
 function cleanup() {
-  sudo /usr/bin/cp poly/old_poly "${BIN_TARGET}"|| true
-  /usr/bin/rm -rf poly/ || true
+  sudo cp poly/old_poly "${BIN_TARGET}" 2>/dev/null || true
+  rm -rf poly/ 2>/dev/null || true
   >&2 echo "Something went wrong - exiting without changes"
   exit 255
 }
 
-trap 'cleanup' SIGINT SIGTERM ERR EXIT
+trap 'cleanup' SIGINT SIGTERM ERR
 
 # -------------------------------------------------
 
@@ -23,7 +23,7 @@ git clone https://github.com/3digitdev/poly.git ./poly
 if command -v poly; then
   # Use their install location instead of our own!
   BIN_TARGET=$(command -v poly)
-  sudo /usr/bin/cp "${BIN_TARGET}" ./poly/old_poly
+  sudo cp "${BIN_TARGET}" ./poly/old_poly
   echo "Detected ${BIN_TARGET} -- this will be overwritten!"
 fi
 
@@ -37,13 +37,13 @@ if [[ $REPLY =~ ^[Yy]$ ]]; then
   /usr/bin/python3 -m pip install --user -r poly/requirements.txt
   # This will overwrite whatever is there -- handy for upgrades
   # ...not so handy if someone steals my project name :)
-  sudo /usr/bin/cp poly/poly ${BIN_TARGET}
+  sudo cp poly/poly ${BIN_TARGET}
   sudo chmod +x ${BIN_TARGET}
-  /usr/bin/rm -rf poly/
+  rm -rf poly/
   echo "poly installed to ${BIN_TARGET}"
   exit 0
 else
-  /usr/bin/rm -rf poly/
+  rm -rf poly/
   >&2 echo "Exiting without changes"
   exit 1
-fi
+fi