1 files changed, 25 insertions, 0 deletions
diff --git a/tools/cpm/hash.sh b/tools/cpm/hash.sh
new file mode 100755
index 0000000000..27061bd9a4
--- /dev/null
+++ b/tools/cpm/hash.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+# SPDX-FileCopyrightText: 2025 crueter
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# usage: hash.sh repo tag-or-sha
+# env vars: GIT_HOST, USE_TAG (use tag instead of sha), ARTIFACT (download artifact with that name instead of src archive)
+
+REPO="$1"
+[ -z "$GIT_HOST" ] && GIT_HOST=github.com
+GIT_URL="https://$GIT_HOST/$REPO"
+
+if [ "$USE_TAG" = "true" ]; then
+    if [ -z "$ARTIFACT" ] || [ "$ARTIFACT" = "null" ]; then
+        URL="${GIT_URL}/archive/refs/tags/$2.tar.gz"
+    else
+        URL="${GIT_URL}/releases/download/$2/${ARTIFACT}"
+    fi
+else
+    URL="${GIT_URL}/archive/$2.zip"
+fi
+
+SUM=$(wget -q "$URL" -O - | sha512sum)
+
+echo "$SUM" | cut -d " " -f1