#!/usr/bin/env bash BASEDIR="$PWD" ENVDIR="$PWD/env" usage() { cat < [arguments] Commands: help This help text list List environments clear Delete all environment and revert to flat config/files new Create a new environment switch Switch to a different environment delete Delete an environment rename Rename the current environment diff Show differences between current state and environment save Save your changes to the environment revert Revert your changes since last save Options: EOF exit ${1:-1} } error() { echo "$0: $*" exit 1 } ask_bool() { local DEFAULT="$1"; shift local def defstr val case "$DEFAULT" in 1) def=0; defstr="Y/n";; 0) def=1; defstr="y/N";; *) def=; defstr="y/n";; esac while [ -z "$val" ]; do local VAL echo -n "$* ($defstr): " read VAL case "$VAL" in y*|Y*) val=0;; n*|N*) val=1;; *) val="$def";; esac done return "$val" } env_init() { local CREATE="$1" if [ -z "$CREATE" ]; then [ -d "$ENVDIR" ] || exit 0 fi [ -x "$(which git 2>/dev/null)" ] || error "Git is not installed" mkdir -p "$ENVDIR" || error "Failed to create the environment directory" cd "$ENVDIR" || error "Failed to switch to the environment directory" [ -d .git ] || { git init && touch .config && mkdir files && git add . && git commit -q -m "Initial import" } || { rm -rf .git error "Failed to initialize the environment directory" } } env_sync_data() { [ \! -L "$BASEDIR/.config" -a -f "$BASEDIR/.config" ] && mv "$BASEDIR/.config" "$ENVDIR" git add . git add -u } env_sync() { local STR="$1" env_sync_data git commit -m "${STR:-Update} at $(date)" } env_link_config() { rm -f "$BASEDIR/.config" ln -s env/.config "$BASEDIR/.config" mkdir -p "$ENVDIR/files" [ -L "$BASEDIR/files" ] || ln -s env/files "$BASEDIR/files" } env_do_reset() { git reset --hard HEAD git clean -d -f } env_list() { env_init git branch | grep -vE '^. master$' } env_diff() { env_init env_sync_data git diff --cached env_link_config } env_save() { env_init env_sync env_link_config } env_revert() { env_init env_do_reset env_link_config } env_ask_sync() { env_sync_data LINES="$(env_diff | wc -l)" # implies env_init [ "$LINES" -gt 0 ] && { if ask_bool 1 "Do you want to save your changes"; then env_sync else env_do_reset fi } } env_clear() { env_init [ -L "$BASEDIR/.config" ] && rm -f "$BASEDIR/.config" [ -L "$BASEDIR/files" ] && rm -f "$BASEDIR/files" [ -f "$ENVDIR/.config" ] || ( cd "$ENVDIR/files" && find | grep -vE '^\.$' > /dev/null ) env_sync_data if ask_bool 1 "Do you want to keep your current config and files"; then mkdir -p "$BASEDIR/files" cp -a "$ENVDIR/files/*" "$BASEDIR/files" 2>/dev/null >/dev/null cp "$ENVDIR/.config" "$BASEDIR/" else rm -rf "$BASEDIR/files" "$BASEDIR/.config" fi cd "$BASEDIR" rm -rf "$ENVDIR" } env_delete() { local name="${1##*/}" env_init [ -z "$name" ] && usage branch="$(git branch | grep '^\* ' | awk '{print $2}')" [ "$name" = "$branch" ] && error "cannot delete the currently selected environment" git branch -D "$name" } env_switch() { local name="${1##*/}" [ -z "$name" ] && usage env_init env_ask_sync git checkout "$name" || error "environment '$name' not found" env_link_config } env_rename() { local NAME="${1##*/}" env_init git branch -m "$NAME" } env_new() { local NAME="$1" local branch local from="master" [ -z "$NAME" ] && usage env_init 1 branch="$(git branch | grep '^\* ' | awk '{print $2}')" if [ -n "$branch" -a "$branch" != "master" ]; then env_ask_sync if ask_bool 0 "Do you want to clone the current environment?"; then from="$branch" fi rm -f "$BASEDIR/.config" "$BASEDIR/files" fi git checkout -b "$1" "$from" if [ -f "$BASEDIR/.config" -o -d "$BASEDIR/files" ]; then if ask_bool 1 "Do you want to keep your current config and files?"; then [ -d "$BASEDIR/files" -a \! -L "$BASEDIR/files" ] && { mkdir -p "$ENVDIR/files" mv "$BASEDIR/files/*" "$ENVDIR/files/" 2>/dev/null rmdir "$BASEDIR/files" } env_sync else rm -rf "$BASEDIR/.config" "$BASEDIR/files" fi fi env_link_config } COMMAND="$1"; shift case "$COMMAND" in help) usage 0;; new) env_new "$@";; list) env_list "$@";; clear) env_clear "$@";; switch) env_switch "$@";; delete) env_delete "$@";; rename) env_rename "$@";; diff) env_diff "$@";; save) env_save "$@";; revert) env_revert "$@";; *) usage;; esac '#n38'>38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 
# Makefile for OpenWrt
#
# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

TOPDIR:=${CURDIR}
LC_ALL:=C
LANG:=C
TZ:=UTC
export TOPDIR LC_ALL LANG TZ

empty:=
space:= $(empty) $(empty)
$(if $(findstring $(space),$(TOPDIR)),$(error ERROR: The path to the OpenWrt directory must not include any spaces))

world:

export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)

ifneq ($(OPENWRT_BUILD),1)
  _SINGLE=export MAKEFLAGS=$(space);

  override OPENWRT_BUILD=1
  export OPENWRT_BUILD
  GREP_OPTIONS=
  export GREP_OPTIONS
  include $(TOPDIR)/include/debug.mk
  include $(TOPDIR)/include/depends.mk
  include $(TOPDIR)/include/toplevel.mk
else
  include rules.mk
  include $(INCLUDE_DIR)/depends.mk
  include $(INCLUDE_DIR)/subdir.mk
  include target/Makefile
  include package/Makefile
  include tools/Makefile
  include toolchain/Makefile

$(toolchain/stamp-compile): $(tools/stamp-compile)
$(target/stamp-compile): $(toolchain/stamp-compile) $(tools/stamp-compile) $(BUILD_DIR)/.prepared
$(package/stamp-compile): $(target/stamp-compile) $(package/stamp-cleanup)
$(package/stamp-install): $(package/stamp-compile)
$(target/stamp-install): $(package/stamp-compile) $(package/stamp-install)
check: $(tools/stamp-check) $(toolchain/stamp-check) $(package/stamp-check)

printdb:
	@true

prepare: $(target/stamp-compile)

clean: FORCE
	rm -rf $(BUILD_DIR) $(STAGING_DIR) $(BIN_DIR) $(OUTPUT_DIR)/packages/$(ARCH_PACKAGES) $(BUILD_LOG_DIR) $(TOPDIR)/staging_dir/packages

dirclean: clean
	rm -rf $(STAGING_DIR_HOST) $(STAGING_DIR_HOSTPKG) $(TOOLCHAIN_DIR) $(BUILD_DIR_BASE)/host $(BUILD_DIR_BASE)/hostpkg $(BUILD_DIR_TOOLCHAIN)
	rm -rf $(TMP_DIR)

ifndef DUMP_TARGET_DB
$(BUILD_DIR)/.prepared: Makefile
	@mkdir -p $$(dirname $@)
	@touch $@

tmp/.prereq_packages: .config
	unset ERROR; \
	for package in $(sort $(prereq-y) $(prereq-m)); do \
		$(_SINGLE)$(NO_TRACE_MAKE) -s -r -C package/$$package prereq || ERROR=1; \
	done; \
	if [ -n "$$ERROR" ]; then \
		echo "Package prerequisite check failed."; \
		false; \
	fi
	touch $@
endif

# check prerequisites before starting to build
prereq: $(target/stamp-prereq) tmp/.prereq_packages
	@if [ ! -f "$(INCLUDE_DIR)/site/$(ARCH)" ]; then \
		echo 'ERROR: Missing site config for architecture "$(ARCH)" !'; \
		echo '       The missing file will cause configure scripts to fail during compilation.'; \
		echo '       Please provide a "$(INCLUDE_DIR)/site/$(ARCH)" file and restart the build.'; \
		exit 1; \
	fi

checksum: FORCE
	$(call sha256sums,$(BIN_DIR))

diffconfig: FORCE
	mkdir -p $(BIN_DIR)
	$(SCRIPT_DIR)/diffconfig.sh > $(BIN_DIR)/config.seed

prepare: .config $(tools/stamp-compile) $(toolchain/stamp-compile)
	$(_SINGLE)$(SUBMAKE) -r diffconfig

world: prepare $(target/stamp-compile) $(package/stamp-compile) $(package/stamp-install) $(target/stamp-install) FORCE
	$(_SINGLE)$(SUBMAKE) -r package/index
	$(_SINGLE)$(SUBMAKE) -r checksum

.PHONY: clean dirclean prereq prepare world package/symlinks package/symlinks-install package/symlinks-clean

endif