1 files changed, 30 insertions, 0 deletions
diff --git a/workhorse/_support/make-gnu-build-id.sh b/workhorse/_support/make-gnu-build-id.sh
new file mode 100755
index 00000000000..815966dab7e
--- /dev/null
+++ b/workhorse/_support/make-gnu-build-id.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+main()
+{
+    GO_BINARY=$1
+
+    if [ $# -ne 1 ] || [ ! -f $GO_BINARY ] ; then
+        fail "Usage: $0 [path_to_go_binary]"
+    fi
+
+    GO_BUILD_ID=$( go tool buildid "$GO_BINARY" || openssl rand -hex 32 )
+    if [ -z "$GO_BUILD_ID" ] ; then
+        fail "ERROR: Could not extract Go build-id or generate a random hex string."
+    fi
+
+    GNU_BUILD_ID=$( echo $GO_BUILD_ID | sha1sum | cut -d' ' -f1 )
+    if [ -z "$GNU_BUILD_ID" ] ; then
+        fail "ERROR: Could not generate a GNU build-id"
+    fi
+
+    echo "$GNU_BUILD_ID"
+}
+
+fail()
+{
+    echo "$@" 1>&2
+    exit 1
+}
+
+main "$@"