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diff --git a/scripts/prep-librewolf-rpm.sh b/scripts/prep-librewolf-rpm.sh
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+#!/bin/sh
+# File: prep-librewolf-rpm.sh
+# Goal: modify the src.rpm git repo of firefox into src.rpm git repo for LibreWolf
+# Startdate: 2021-04-28
+# Dependencies:
+#    req-fedora: rpmdevtools
+
+set -e;
+
+#####################################
+# Load settings
+# basically, dot-source the conf file.
+test -z "${librewolf_rpm_conf}" && export librewolf_rpm_conf="$( find "$( dirname "${0}" )" -maxdepth 2 -name "$( basename "${0%%.sh}.conf" )" -print 2>/dev/null | head -n1 )"
+test ! -r "${librewolf_rpm_conf}" && { echo "Unable to load config file, which should be named the same as this script but with a .conf ending. Aborted." 1>&2 ; exit 1 ; }
+. "${librewolf_rpm_conf}"
+
+librewolf_common_url=https://gitlab.com/librewolf-community/browser/common.git
+librewolf_settings_url=https://gitlab.com/librewolf-community/settings.git
+librewolf_linux_url=https://gitlab.com/librewolf-community/browser/linux.git
+
+case "${DISTRO}" in
+   fedora)
+      _mozconfig='firefox-mozconfig'
+      src_rpm_git_url="https://src.fedoraproject.org/rpms/firefox/"
+      src_rpm_git_commit="main"
+      ;;
+   *)
+      echo "Unconfigured DISTRO ${DISTRO}. Where in repo is mozconfig, and what is git url?" 1>&2
+      exit 1
+   ;;
+esac
+
+# user configurable
+git_source_dir=${CI_PROJECT_DIR}/git  # where LibreWolf git contents are cached
+src_rpm_dir=${CI_PROJECT_DIR}/${firefox_version}/git # where the src git repo is downloaded
+work_dir=${CI_PROJECT_DIR}/prepared/
+
+#############################3
+# Download initial components
+mkdir -p "${work_dir}" ; cd "${work_dir}"
+if test -z "${SKIP_DOWNLOAD}" ; then
+   mkdir -p "${src_rpm_dir}" ; cd "${src_rpm_dir}"
+   git clone "${src_rpm_git_url}" . || :
+   test -n "${src_rpm_git_commit}" && {
+      git checkout "${src_rpm_git_commit}"
+   }
+   # Download original firefox source
+   spectool -g firefox.spec --source 0
+else : ; fi
+
+# Download git sources
+if test -z "${SKIP_GIT}" ; then (
+   # yes, use sub-shell for cd. pushd is a bashism.
+   mkdir -p "${git_source_dir}" ; cd "${git_source_dir}"
+   git clone "${librewolf_common_url}" ${git_source_dir}/common
+   git clone "${librewolf_settings_url}" ${git_source_dir}/settings
+   git clone "${librewolf_linux_url}" ${git_source_dir}/linux
+) ; else : ; fi
+
+
+#############################3
+# Script 1 tasks
+# Modify dependencies, and also lw-ize firefox fedora sources
+cd "${src_rpm_dir}"
+# FIXME: add -i, remove redirect
+sed -r firefox.spec \
+   -e '/^%global mozapp/{s:\/firefox:librewolf:;}' \
+   -e '/^Name:/{s:firefox:librewolf:;}' \
+   -e '/^%package (x11|wayland)/,/^\s*$/{s/firefox/librewolf/g;s/Firefox/LibreWolf/g;}' \
+   -e '/^BuildRequires.*zip$/aBuildRequires: jack-audio-connection-kit-devel' \
+   > firefox.spec2
+# FIXME: probably need a lot more librewolf-ization, like disabling crashreporter, etc.
+
+#####################################
+# Script 2 tasks
+
+# none. Download happened earlier
+
+#####################################
+# Script 3 tasks
+
+# Make new source tarball of branding elements
+cd "${git_source_dir}"/common/source_files/browser/branding ; tar -zcf "${src_rpm_dir}"/librewolf-branding.tgz librewolf 
+
+# add new source tarball for the common.git/source_files/browser/branding/librewolf,a nd other script3 tasks
+# just change any logic for enable tests to disable them
+cd "${src_rpm_dir}"
+# FIXME: final changes should happen to firefox.spec
+sed -r firefox.spec2 \
+   -e '/__rm.*\.mozconfig/iSOURCE100: librewolf-branding.tgz\' -e '( cd browser/branding ; tar -zxf ${SOURCE100} . )' \
+   -e 's/--enable-tests\>/--disable-tests/g;' \
+   -e 's/--enable-debug\>/--disable-debug/g;' \
+   -e '/^MOZ_SMP_FLAGS/iecho "ac_add_options --enable-hardening" >> .mozconfig\'
+      -e 'echo "ac_add_options --enable-rust-simd" >> .mozconfig\'
+      -e 'echo "ac_add_options --with-app-name=librewolf" >> .mozconfig\'
+      -e 'echo "ac_add_options --with-app-basename=LibreWolf" >> .mozconfig\'
+      -e 'echo "ac_add_options --with-branding=browser/branding/librewolf" >> .mozconfig\'
+      -e 'echo "ac_add_options --with-branding=browser/branding/librewolf" >> .mozconfig\'
+      -e 'echo "ac_add_options --with-distribution-id=io.gitlab.librewolf-community" >> .mozconfig\'
+      -e 'echo "ac_add_options --with-unsigned-addon-scopes=app,system" >> .mozconfig\'
+   > firefox.spec3
+
+# script 3 notes: fedora firefox already includes some important options:
+#    enable-release
+#    allow-addon-sideload