tweak version check [skip ci]

Author: mrhotio

update-versions.sh

@@ -1,13 +1,16 @@
 #!/bin/bash
+old_version=$(jq -re '.version' < VERSION.json)
 version=$(curl -u "${GITHUB_ACTOR}:${GITHUB_TOKEN}" -fsSL "https://api.github.com/repos/stashapp/stash/releases/tags/latest_develop" | jq -re .target_commitish) || exit 1
 [[ ${version} == "develop" ]] && version=$(curl -u "${GITHUB_ACTOR}:${GITHUB_TOKEN}" -fsSL "https://api.github.com/repos/stashapp/stash/commits/develop" | jq -re .sha) || exit 1
-curl -fsSL "https://github.com/stashapp/stash/releases/download/latest_develop/CHECKSUMS_SHA1" -o CHECKSUMS_SHA1 || exit 1
-grep -q "${version:0:7}" < CHECKSUMS_SHA1 || exit 1
-curl -fsSL "https://github.com/stashapp/stash/releases/download/latest_develop/stash-linux" -o stash || exit 1
-checksum="$(sha1sum stash | awk '{print $1}')"
-grep -q "${checksum}" < CHECKSUMS_SHA1 || exit 1
-rm -rf CHECKSUMS_SHA1 stash
-json=$(cat VERSION.json)
-jq --sort-keys \
-    --arg version "${version//v/}" \
-    '.version = $version' <<< "${json}" | tee VERSION.json
+if [[ "${version}" != "${old_version}" ]]; then
+    curl -fsSL "https://github.com/stashapp/stash/releases/download/latest_develop/CHECKSUMS_SHA1" -o CHECKSUMS_SHA1 || exit 1
+    grep -q "${version:0:7}" < CHECKSUMS_SHA1 || exit 1
+    curl -fsSL "https://github.com/stashapp/stash/releases/download/latest_develop/stash-linux" -o stash || exit 1
+    checksum="$(sha1sum stash | awk '{print $1}')"
+    grep -q "${checksum}" < CHECKSUMS_SHA1 || exit 1
+    rm -rf CHECKSUMS_SHA1 stash
+    json=$(cat VERSION.json)
+    jq --sort-keys \
+        --arg version "${version//v/}" \
+        '.version = $version' <<< "${json}" | tee VERSION.json
+fi