Improve update-version.sh (#717)

A few small tweaks to `update-version.sh` for alignment across RAPIDS.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - James Lamb (https://github.com/jameslamb)

URL: #717

ci/release/update-version.sh

@@ -8,16 +8,6 @@
 ## Usage
 # bash update-version.sh <new_version>
 
-# Workaround for MacOS where BSD sed doesn't support the flags
-# Install MacOS gsed with `brew install gnu-sed`
-unameOut="$(uname -s)"
-case "${unameOut}" in
-    Linux*)     sedCmd=sed;;
-    Darwin*)    sedCmd=gsed;;
-    *)          echo "Unknown OS"; exit 1;;
-esac
-
-
 # Format is YY.MM.PP - no leading 'v' or trailing 'a'
 NEXT_FULL_TAG=$1
 
@@ -28,7 +18,7 @@ CURRENT_MINOR=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[2]}')
 CURRENT_PATCH=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[3]}' | tr -d 'a')
 CURRENT_SHORT_TAG=${CURRENT_MAJOR}.${CURRENT_MINOR}
 
-#Get <major>.<minor> for next version
+# Get <major>.<minor> for next version
 NEXT_MAJOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[1]}')
 NEXT_MINOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[2]}')
 NEXT_SHORT_TAG=${NEXT_MAJOR}.${NEXT_MINOR}
@@ -37,7 +27,7 @@ echo "Preparing release $CURRENT_TAG => $NEXT_FULL_TAG"
 
 # Inplace sed replace; workaround for Linux and Mac
 function sed_runner() {
-    $sedCmd -i.bak ''"$1"'' $2 && rm -f ${2}.bak
+    sed -i.bak ''"$1"'' $2 && rm -f ${2}.bak
 }
 
 sed_runner "/RAPIDS_VER=/ s/[0-9][0-9].[0-9][0-9]/${NEXT_SHORT_TAG}/" ci/conda-pack.sh