1 files changed, 24 insertions, 0 deletions
diff --git a/app-emulation/hercules-sdl/files/gen_hashes.sh b/app-emulation/hercules-sdl/files/gen_hashes.sh
new file mode 100644
index 000000000000..bb499392a4a5
--- /dev/null
+++ b/app-emulation/hercules-sdl/files/gen_hashes.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+[[ -z "${1}" ]] && exit 1
+[[ "${1}" =~ [0-9]+\.[0-9]+\.[0-9]+ ]] || exit 1
+
+CLONEDIR="$(mktemp -d)"
+for f in "hyperion" "crypto" "decNumber" "SoftFloat" "telnet"
+do
+    git -C "${CLONEDIR}" clone --tags "https://github.com/SDL-Hercules-390/${f}"
+done
+
+VERSIONARR=( ${1//./ })
+VERSIONTAG="Release_${VERSIONARR[0]}.${VERSIONARR[1]}"
+[[ "${VERSIONARR[2]}" == "0" ]] || VERSIONTAG=".${VERSIONARR[2]}"
+RELEASEDATE="$(git -C "${CLONEDIR}/hyperion" show -s --format="%ci" "${VERSIONTAG}")"
+
+echo
+for f in "crypto" "decNumber" "SoftFloat" "telnet"
+do
+    echo -n "${f,,}: "
+    git -C "${CLONEDIR}/${f}" rev-list -n 1 --first-parent --before="${RELEASEDATE}" master
+done
+
+rm -rf "${CLONEDIR}"