ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/lang/golang/golang-build.sh b/external/subpack/lang/golang/golang-build.sh
new file mode 100644
index 0000000..5e40436
--- /dev/null
+++ b/external/subpack/lang/golang/golang-build.sh
@@ -0,0 +1,204 @@
+#!/bin/sh
+
+nl="
+"
+
+log() {
+ # shellcheck disable=SC2039
+ local IFS=" "
+ printf '%s\n' "$*"
+}
+
+log_error() {
+ # shellcheck disable=SC2039
+ local IFS=" "
+ printf 'Error: %s\n' "$*" >&2
+}
+
+link_contents() {
+ # shellcheck disable=SC2039
+ local src="$1" dest="$2" IFS="$nl" dirs dir base
+
+ if [ -n "$(find "$src" -mindepth 1 -maxdepth 1 -name "*.go" -not -type d)" ]; then
+ log_error "$src is already a Go library"
+ return 1
+ fi
+
+ dirs="$(find "$src" -mindepth 1 -maxdepth 1 -type d)"
+ for dir in $dirs; do
+ base="${dir##*/}"
+ if [ -d "$dest/$base" ]; then
+ case "$dir" in
+ *$GO_BUILD_DEPENDS_SRC/$GO_PKG)
+ log "$GO_PKG is already installed. Please check for circular dependencies."
+ ;;
+ *)
+ link_contents "$src/$base" "$dest/$base"
+ ;;
+ esac
+ else
+ log "...${src#$GO_BUILD_DEPENDS_SRC}/$base"
+ ln -sf "$src/$base" "$dest/$base"
+ fi
+ done
+
+ return 0
+}
+
+configure() {
+ # shellcheck disable=SC2039
+ local files code testdata gomod pattern extra IFS file dest
+
+ cd "$BUILD_DIR" || return 1
+
+ files="$(find ./ -path "*/.*" -prune -o -not -type d -print)"
+
+ if [ "$GO_INSTALL_ALL" != 1 ]; then
+ code="$(printf '%s\n' "$files" | grep '\.\(c\|cc\|cpp\|go\|h\|hh\|hpp\|proto\|s\)$')"
+ testdata="$(printf '%s\n' "$files" | grep '/testdata/')"
+ gomod="$(printf '%s\n' "$files" | grep '/go\.\(mod\|sum\)$')"
+
+ for pattern in $GO_INSTALL_EXTRA; do
+ extra="$(printf '%s\n' "$extra"; printf '%s\n' "$files" | grep -e "$pattern")"
+ done
+
+ files="$(printf '%s\n%s\n%s\n%s\n' "$code" "$testdata" "$gomod" "$extra" | grep -v '^[[:space:]]*$' | sort -u)"
+ fi
+
+ IFS="$nl"
+
+ log "Copying files from $BUILD_DIR into $GO_BUILD_DIR/src/$GO_PKG"
+ mkdir -p "$GO_BUILD_DIR/src"
+ for file in $files; do
+ log "${file#./}"
+ dest="$GO_BUILD_DIR/src/$GO_PKG/${file#./}"
+ mkdir -p "${dest%/*}"
+ cp -fpR "$file" "$dest"
+ done
+ log
+
+ if [ "$GO_SOURCE_ONLY" != 1 ]; then
+ if [ -d "$GO_BUILD_DEPENDS_SRC" ]; then
+ log "Symlinking directories from $GO_BUILD_DEPENDS_SRC into $GO_BUILD_DIR/src"
+ link_contents "$GO_BUILD_DEPENDS_SRC" "$GO_BUILD_DIR/src"
+ else
+ log "$GO_BUILD_DEPENDS_SRC does not exist, skipping symlinks"
+ fi
+ else
+ log "Not building binaries, skipping symlinks"
+ fi
+ log
+
+ return 0
+}
+
+build() {
+ # shellcheck disable=SC2039
+ local modargs pattern targets retval
+
+ cd "$GO_BUILD_DIR" || return 1
+
+ if [ -f "$BUILD_DIR/go.mod" ] ; then
+ mkdir -p "$GO_MOD_CACHE_DIR"
+ modargs="$GO_MOD_ARGS"
+ fi
+
+ log "Finding targets"
+ # shellcheck disable=SC2086
+ targets="$(go list $modargs $GO_BUILD_PKG)"
+ for pattern in $GO_EXCLUDES; do
+ targets="$(printf '%s\n' "$targets" | grep -v "$pattern")"
+ done
+ log
+
+ if [ "$GO_GO_GENERATE" = 1 ]; then
+ log "Calling go generate"
+ # shellcheck disable=SC2086
+ GOOS='' GOARCH='' GO386='' GOARM='' GOMIPS='' GOMIPS64='' \
+ go generate -v $targets
+ log
+ fi
+
+ if [ "$GO_SOURCE_ONLY" = 1 ]; then
+ return 0
+ fi
+
+ log "Building targets"
+ mkdir -p "$GO_BUILD_DIR/bin" "$GO_BUILD_CACHE_DIR"
+ # shellcheck disable=SC2086
+ go install $modargs "$@" $targets
+ retval="$?"
+ log
+
+ if [ "$retval" -eq 0 ] && [ -z "$(find "$GO_BUILD_BIN_DIR" -maxdepth 0 -type d -not -empty 2>/dev/null)" ]; then
+ log_error "No binaries were built"
+ retval=1
+ fi
+
+ if [ "$retval" -ne 0 ]; then
+ cache_cleanup
+ fi
+
+ return "$retval"
+}
+
+install_bin() {
+ # shellcheck disable=SC2039
+ local dest="$1"
+ install -d -m0755 "$dest/$GO_INSTALL_BIN_PATH"
+ install -m0755 "$GO_BUILD_BIN_DIR"/* "$dest/$GO_INSTALL_BIN_PATH/"
+}
+
+install_src() {
+ # shellcheck disable=SC2039
+ local dest="$1" dir="${GO_PKG%/*}"
+ install -d -m0755 "$dest/$GO_BUILD_DEPENDS_PATH/src/$dir"
+ cp -fpR "$GO_BUILD_DIR/src/$GO_PKG" "$dest/$GO_BUILD_DEPENDS_PATH/src/$dir/"
+}
+
+cache_cleanup() {
+ if ! [ -d "$GO_MOD_CACHE_DIR" ]; then
+ return 0
+ fi
+
+ # in case go is called without -modcacherw
+ find "$GO_MOD_CACHE_DIR" -type d -not -perm -u+w -exec chmod u+w '{}' +
+
+ if [ -n "$CONFIG_GOLANG_MOD_CACHE_WORLD_READABLE" ]; then
+ find "$GO_MOD_CACHE_DIR" -type d -not -perm -go+rx -exec chmod go+rx '{}' +
+ find "$GO_MOD_CACHE_DIR" -not -type d -not -perm -go+r -exec chmod go+r '{}' +
+ fi
+
+ return 0
+}
+
+
+if [ "$#" -lt 1 ]; then
+ log_error "Missing command"
+ exit 1
+fi
+
+command="$1"
+shift 1
+
+case "$command" in
+ configure)
+ configure
+ ;;
+ build)
+ build "$@"
+ ;;
+ install_bin)
+ install_bin "$@"
+ ;;
+ install_src)
+ install_src "$@"
+ ;;
+ cache_cleanup)
+ cache_cleanup
+ ;;
+ *)
+ log_error "Invalid command \"$command\""
+ exit 1
+ ;;
+esac