Simplify install.sh script

install.sh

@@ -2,22 +2,18 @@
 set -e
 binary_name="procrastiproxy"
 # Determine architecture
-if [[ $(uname -s) == Darwin && $(uname -m) == amd64  ]]
-then
-	platform='Darwin_amd64'
-elif [[ $(uname -s) == Darwin && $(uname -m) == arm64  ]]
-then
-	platform='darwin_arm64'
-elif [[ $(uname -s) == Linux ]]
-then
-	platform='linux_amd64'
-else
-	echo "No supported architecture found"
-	exit 1
+platform=$(uname -s | tr '[:upper:]' '[:lower:]')
+arch=$(uname -m | tr '[:upper:]' '[:lower:]')
+
+# We direct goreleaser to convert "amd64" to "x86_64", so perform the same rename 
+# here if necessary
+if [[ $arch == "amd64" ]]
+then 
+  arch="x86_64"
 fi
 
 get_release_url () {
-jq_cmd=".assets[] | select(.name | endswith(\"${platform}.tar.gz\")).browser_download_url"
+jq_cmd=".assets[] | select(.name | endswith(\"${platform}-${arch}.tar.gz\")).browser_download_url"
 # Find the latest binary release URL for this platform
 url="$(curl -sL https://api.github.com/repos/zackproser/procrastiproxy/releases/latest | jq -r "${jq_cmd}")"
 echo $url
@@ -27,12 +23,14 @@ target_url="$(get_release_url)"
 curl -LO $target_url
 #Rename and copy to your procrastiproxy folder
 filename=$(basename $target_url)
-tar xvzf ${filename}
-filename="procrastiproxy"
-chmod +x ${filename}
+tar xvzf "${filename}"
+binaryname="procrastiproxy"
+unzippeddir="${filename/.tar.gz/""}"
+fullpath="${unzippeddir}/${binaryname}"
+chmod +x "${fullpath}"
 
 PROCRASTIPROXY_DIR=/usr/local/bin/procrastiproxy
-sudo mv $filename ${PROCRASTIPROXY_DIR}
+sudo mv "${fullpath}" "${PROCRASTIPROXY_DIR}"
 if [[ $? -eq 0 ]]; then
   echo "Successfully installed $binary_name at $PROCRASTIPROXY_DIR"
 else