167 lines
4.2 KiB
Bash
Executable File
167 lines
4.2 KiB
Bash
Executable File
#!/bin/bash
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# External modules update script.
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# This script parses the repository root extmods.ini file to locate
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# external modules to download
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export EXTMOD_DIR="components/modules/external" # Location where to store external modules:
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EXTMOD_BIN_PATH="./tools/extmod" # Location of this script
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TEMPLATE_MK="$EXTMOD_BIN_PATH/component.mk.template" # Location of the template component.mk
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# Include the ini file reader script
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. $EXTMOD_BIN_PATH/read_ini.sh
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# Returns the given value in the INI file, passing section and value
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function sectionVar() {
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local varname="INI__$1__$2"
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echo "${!varname}"
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}
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# helper pushd to make it silent
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function pushd() {
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command pushd "$@" >/dev/null
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}
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# helper popd to make it silent
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function popd() {
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command popd >/dev/null
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}
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function usage() {
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echo ""
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echo "extmod.sh - Manages external modules"
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echo "Usage:"
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echo "extmod.sh <commands>"
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echo "update : Parses extmods.ini and updates all modules"
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echo "clean : Effectively cleans the contents of the external modules directory ($EXTMOD_DIR)"
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echo ""
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}
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# Generic command line parser
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function readCommandLine() {
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while test ${#} -gt 0; do
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case "$1" in
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"clean")
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CLEAN=1
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;;
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"update")
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UPDATE=1
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;;
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*)
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echo -e "Error: Unrecognized parameter\n"
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usage
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exit 1
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;;
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esac
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shift
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done
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}
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function updateMod() {
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local modname="$1"
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local url="$(sectionVar "$modname" "url")"
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local ref="$(sectionVar "$modname" "ref")"
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local disabled="$(sectionVar "$modname" "disabled")"
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local path="$EXTMOD_DIR/$modname"
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local component_mk="$path/component.mk"
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if [[ ! -d "$path" ]]; then
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echo "$modname not present. Downloading from $url ..."
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if ! git clone --quiet "$url" -b "$ref" "$path"; then
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echo "Error cloning $modname in $url"
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return 1
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fi
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# Add "component.mk" to local repo gitignore
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echo "component.mk" >>"$path/.git/info/exclude"
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fi
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echo "Updating $modname ..."
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if ! pushd "$path"; then
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echo "Cannot change to $path".
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return 1
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fi
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if ! git status >/dev/null; then
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echo "Error processing $modname. Error reading git repo status."
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popd
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return 1
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fi
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if [ "$(git status --short)" == "" ]; then
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if ! git fetch --quiet; then
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echo "Error fetching $modname"
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popd
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return 1
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fi
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if ! git checkout "$ref" --quiet; then
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echo "Error setting ref $ref in $modname. Does $ref exist?"
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popd
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return 1
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fi
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if ! git clean -d -f --quiet; then
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echo "Error repo $modname after checkout."
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popd
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return 1
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fi
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# check if HEAD was detached (like when checking out a tag or commit)
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if git symbolic-ref HEAD 2>/dev/null; then
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# This is a branch. Update it.
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if ! git pull --quiet; then
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echo "Error pulling $ref from $url."
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popd
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return 1
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fi
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fi
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else
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echo "$modname working directory in $path is not clean. Skipping..."
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popd
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return 0
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fi
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popd
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if [ "$disabled" != "1" ]; then
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if ! sed 's/%%MODNAME%%/'"$modname"'/g' "$TEMPLATE_MK" >"$component_mk"; then
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echo "Error generating $component_mk"
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return 1
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fi
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else
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echo "Warning: Module $modname is disabled and won't be included in build"
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[ -f "$component_mk" ] && rm "$component_mk"
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fi
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echo "Successfully updated $modname."
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return 0
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}
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function update() {
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if ! read_ini "extmods.ini"; then
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echo "Error reading extmods.ini"
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fi
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mkdir -p "$EXTMOD_DIR"
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for modname in $INI__ALL_SECTIONS; do
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if ! updateMod "$modname"; then
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echo "Error updating $modname"
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return 1
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fi
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done
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echo "Successfully updated all modules"
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}
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function main() {
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if [ "$CLEAN" == "1" ]; then
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echo "Cleaning ${EXTMOD_DIR:?} ..."
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rm -rf "${EXTMOD_DIR:?}/"*
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fi
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if [ "$UPDATE" == "1" ]; then
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update
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fi
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}
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readCommandLine "$@"
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main
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