Add script for linux build targets

reproducible-builds/build.sh

@@ -3,7 +3,15 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 # Usage:
-# ./build.sh [ dev (default) | public (prod and beta builds) | alpha | test | staging ] [ Build timestamp override. Defaults to latest git commit or 1. ]
+# ./build.sh [ dev (default) | public (prod and beta builds) | alpha | test | staging ]
+# Env vars:
+# SOURCE_DATE_EPOCH: Build timestamp override. Defaults to latest git commit or 1.
+# SKIP_DOCKER_BUILD: To support docker build cache during actions.
+# BUILD_TARGETS: Override build targets. Empty default results in deb.
+
+# Examples:
+# ./build.sh public
+# SOURCE_DATE_EPOCH=123 ./build.sh test
 
 # First we prepare the docker container in which our build scripts will run. This container includes
 # all build dependencies at specific versions.
@@ -19,9 +27,9 @@ cd ..
 
 # Prepare the timestamp of the actual build based on the latest git commit.
 source_date_epoch=1
-if [ "$2" != "" ]; then
+if [ -n "${SOURCE_DATE_EPOCH}" ]; then
   echo "Using override timestamp for SOURCE_DATE_EPOCH."
-  source_date_epoch=$(($2))
+  source_date_epoch="${SOURCE_DATE_EPOCH}"
 else
   git_timestamp=$(git log -1 --pretty=%ct)
   if [ "${git_timestamp}" != "" ]; then
@@ -45,4 +53,5 @@ docker run --rm \
   -e NPM_CONFIG_CACHE=/tmp/.npm-cache \
   -e PNPM_HOME=/tmp/.pnpm-home \
   -e SOURCE_DATE_EPOCH=$source_date_epoch \
+  -e BUILD_TARGETS=$BUILD_TARGETS \
   signal-desktop $1

reproducible-builds/docker-entrypoint.sh

@@ -66,4 +66,8 @@ else
   exit 1
 fi
 
+if [ "${BUILD_TARGETS}" != "" ]; then
+  pnpm run prepare-linux-build $BUILD_TARGETS
+fi
+
 pnpm run build-linux