Split variables more so we can check for errors

Author: jonbng

check_release.sh

@@ -1,21 +1,25 @@
 #!/usr/bin/env bash
 RELEASES=('AARCH64_SHA256' 'X64_SHA256')
 
-TAG_NAME=$(curl -fsL \
+CURL_RESULT=$(curl -fsL \
   -H "Accept: application/vnd.github+json" \
   -H "X-GitHub-Api-Version: 2022-11-28" \
-  https://api.github.com/repos/music-assistant/companion/releases | jq '.[0].tag_name')
+  https://api.github.com/repos/music-assistant/companion/releases) || exit 1
+TAG_NAME=$(echo "${CURL_RESULT}" | jq '.[0].tag_name')
 
-MUSIC_COMPANION_VERSION=$(echo "${TAG_NAME}" | cut -d"v" -f 2 | cut -d"\"" -f 1)
+VERSION_CUT=$(echo "${TAG_NAME}" | cut -d"v" -f 2) || exit 1
+MUSIC_COMPANION_VERSION=$(echo "${VERSION_CUT}" | cut -d"\"" -f 1) || exit 1
 export MUSIC_COMPANION_VERSION
 
 for i in "${RELEASES[@]}"
 do
-    ARCH=$(echo "${i}" | cut -f1 -d_ | tr '[:upper:]' '[:lower:]')
+    ARCH_PART=$(echo "${i}" | cut -f1 -d_) || exit 1
+    ARCH=$(echo "${ARCH_PART}" | tr '[:upper:]' '[:lower:]') || exit 1
     URL="https://github.com/music-assistant/companion/releases/download/v${MUSIC_COMPANION_VERSION}/Music.Assistant.Companion_${ARCH}.app.tar.gz"
     curl -sLO "${URL}"
 
-    SHA_FILE=$(shasum -a 256 "Music.Assistant.Companion_${ARCH}.app.tar.gz" | cut -d" " -f 1)
+    SHA_RESULT=$(shasum -a 256 "Music.Assistant.Companion_${ARCH}.app.tar.gz") || exit 1
+    SHA_FILE=$(echo "${SHA_RESULT}" | cut -d" " -f 1) || exit 1
 
     export "${i}"="${SHA_FILE}"
 done