Create reproducible tarballs

.github/workflows/create-tarballs.yml

@@ -0,0 +1,69 @@
+name: Create tarballs
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  Linux:
+    strategy:
+      fail-fast: true
+      matrix:
+        os:
+          - name: debian
+            version: base
+
+    runs-on: ubuntu-latest
+    container:
+      image: debian:trixie
+      env:
+        SDK_VERSION_STANDALONE: 1.4.325.0
+        SDK_VERSION_REPO: 1.4.309
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - name: show env
+        run: env
+      - name: Install dependencies
+        run: |
+          apt-get update
+          apt-get upgrade -y
+          apt-get install -y \
+            git \
+            gettext-base 
+
+      - name: Check Out Code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Fix missing tags
+        run: |
+          git config --global --add safe.directory `pwd`
+          git submodule foreach 'git fetch --unshallow --tags|| true'
+          git fetch --unshallow --tags
+          git submodule update --recursive
+          ./create-tarballs.sh
+          echo "Checksums"
+          cat tarballs/*.txt
+          echo "Extracted versions"
+          cat release-info.cmake
+
+      - name: Create tarballs
+        run: |
+          ./create-tarballs.sh
+          echo "Checksums"
+          cat tarballs/*.txt
+          echo "Extracted versions"
+          cat release-info.cmake
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: ngscopeclient-source
+          path: |
+            tarballs/*

.gitignore

@@ -6,3 +6,4 @@ asan-build
 release-nodebug-build
 debug-noopt-build
 release-asan-build
+tarballs

create-tarballs.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+#Loosely based on https://www.gnu.org/software/tar/manual/html_section/Reproducibility.html
+#Drop the mtime attribute from the files since I was unable to reliably make that reproducible
+
+set -e
+
+export TZ=UTC0
+export LANG=C
+
+location="$(dirname -- "$( readlink -f -- "$0"; )";)"
+cd "$location"
+
+export NGSCOPECLIENT_PACKAGE_VERSION="$(git describe --always --tags)"
+export NGSCOPECLIENT_PACKAGE_VERSION_LONG="$(git describe --always --tags --long)"
+export SCOPEHAL_PACKAGE_VERSION="$(cd lib;git describe --always --tags --long)"
+cat release-info.cmake.in | envsubst > release-info.cmake
+
+git_file_list=$(git ls-files --recurse-submodules )
+
+TARFLAGS="
+  --sort=name --format=posix
+  --pax-option=exthdr.name=%d/PaxHeaders/%f
+  --pax-option=delete=atime,delete=ctime
+  --mtime=0
+  --numeric-owner --owner=0 --group=0
+  --mode=go+u,go-w
+"
+
+git_file_list="$git_file_list release-info.cmake"
+
+GZIPFLAGS="--no-name --best"
+
+rm -Rf tarballs
+mkdir "tarballs"
+
+LC_ALL=C tar $TARFLAGS -cf - $git_file_list |
+  gzip $GZIPFLAGS > "tarballs/ngscopeclient-$NGSCOPECLIENT_PACKAGE_VERSION.tar.gz"
+
+cd tarballs
+echo "" > ../digest.txt
+for file in *; do
+  sha256sum $file >> ../digest.txt
+  ls -s $file >> ../digest.txt
+  sha256sum $file > $file.sha256sum
+done
+mv ../digest.txt "ngscopeclient-$NGSCOPECLIENT_PACKAGE_VERSION-manifest.txt"

release-info.cmake.in

@@ -0,0 +1,3 @@
+set(SCOPEHAL_PACKAGE_VERSION "${SCOPEHAL_PACKAGE_VERSION}" CACHE STRING "scopehal package version override")
+set(NGSCOPECLIENT_PACKAGE_VERSION "${NGSCOPECLIENT_PACKAGE_VERSION}" CACHE STRING "ngscopeclient package version override")
+set(NGSCOPECLIENT_PACKAGE_VERSION_LONG "${NGSCOPECLIENT_PACKAGE_VERSION_LONG}" CACHE STRING "ngscopeclient long package version override")