mcp/patches/Makefile

   1 ##############################################################################
   2 # Copyright (c) 2015,2016,2017 Ericsson AB, Enea AB and others.
   3 # stefan.k.berg@ericsson.com
   4 # jonas.bjurel@ericsson.com
   5 # Alexandru.Avadanii@enea.com
   6 # All rights reserved. This program and the accompanying materials
   7 # are made available under the terms of the Apache License, Version 2.0
   8 # which accompanies this distribution, and is available at
   9 # http://www.apache.org/licenses/LICENSE-2.0
  10 ##############################################################################
  11
  12 include config.mk
  13
  14 SHELL = /bin/sh
  15 FPATCHES = $(shell find ${F_PATCH_DIR} -name '*.patch')
  16
  17 # NOTE: Mechanism overview is presented in ./README.md.
  18
  19 # Submodule consistent states:
  20 #   - NOT initialized (submodule trees are not populated at all);
  21 #   - initialized, bound to saved commits;
  22 #   - initialized, tracking remote origin (only for FUEL_TRACK_REMOTES);
  23 #   - patched (local patches are applied);
  24
  25 # In order to keep things sort of separate, we should only pass up (to main
  26 # Makefile) the fully-patched repos, and gather any fingerprinting info here.
  27
  28 # OPNFV Fuel relies on upstream git repos (one per component) in 1 of 2 ways:
  29 #   - pinned down to tag objects (e.g. "9.0.1")
  30 #   - tracking upstream remote HEAD on a stable or master branch
  31 # FIXME(alav): Should we support mixed cases? (e.g. pin down only fuel-main)
  32
  33 # To enable remote tracking, set the following var to any non-empty string.
  34 # Leaving this var empty will bind each git submodule to its saved commit.
  35 FUEL_TRACK_REMOTES ?=
  36
  37 .PHONY: all
  38 all: release
  39
  40 ##############################################################################
  41 # git submodule operations - to be used stand-alone or from parent Makefile
  42 ##############################################################################
  43
  44 # Fetch & update git submodules, checkout remote HEAD or saved commit
  45 # Also gather fingerprints for parent gitinfo_fuel.txt.
  46 .PHONY: sub
  47 sub: .cachefuelinfo
  48
  49 .cachefuelinfo:
  50         @if [ -n "${FUEL_TRACK_REMOTES}" ]; then \
  51                 cd ${F_GIT_ROOT} && git submodule update --init --remote 2>/dev/null; \
  52         else \
  53                 cd ${F_GIT_ROOT} && git submodule update --init 2>/dev/null; \
  54         fi
  55         @touch $@
  56
  57 # Generate patches from submodules
  58 .PHONY: patches-export
  59 patches-export: sub
  60         @git submodule -q foreach ' \
  61                 SUB_DIR=${F_PATCH_DIR}/$$name; \
  62                 rm -rf $$SUB_DIR/*; \
  63                 git tag | awk "!/root/ && /${F_OPNFV_TAG}-fuel/" | while read F_TAG; do \
  64                         SUB_FEATURE=`dirname $${F_TAG#${F_OPNFV_TAG}-fuel/}`; \
  65                         echo "`tput setaf 2`-- exporting $$name ($$F_TAG)`tput sgr0`"; \
  66                         mkdir -p $$SUB_DIR/$${SUB_FEATURE} && \
  67                         git format-patch --no-signature --ignore-space-at-eol \
  68                                 -o $$SUB_DIR/$$SUB_FEATURE -N $$F_TAG-root..$$F_TAG; \
  69                         sed -i -e "1{/From: /!d}" -e "s/[[:space:]]*$$//" \
  70                                 $$SUB_DIR/$$SUB_FEATURE/*.patch; \
  71                 done'
  72
  73 # Apply patches from patch/* to respective submodules
  74 # We rely on `make sub` and/or `make clean` to checkout correct base
  75 .PHONY: patches-import
  76 patches-import: sub .cachepatched
  77
  78 .cachepatched: ${FPATCHES}
  79         @$(MAKE) clean
  80         @cd ${F_GIT_ROOT} && git submodule -q foreach ' \
  81                 SUB_DIR=${F_PATCH_DIR}/$$name; mkdir -p $$SUB_DIR && \
  82                 git tag ${F_OPNFV_TAG}-root && \
  83                 git checkout -q -b opnfv-fuel && \
  84                 find $$SUB_DIR -type d | sort | while read p_dir; do \
  85                         SUB_PATCHES=$$(ls $$p_dir/*.patch 2>/dev/null); \
  86                         if [ -n "$$SUB_PATCHES" ]; then \
  87                                 SUB_FEATURE=$${p_dir#$$SUB_DIR}; \
  88                                 SUB_TAG=${F_OPNFV_TAG}-fuel$$SUB_FEATURE/patch; \
  89                                 echo "`tput setaf 2`-- patching $$name ($$SUB_TAG)`tput sgr0`";\
  90                                 git tag $$SUB_TAG-root && \
  91                                 git am -3 --ignore-whitespace --patch-format=mbox \
  92                                         --committer-date-is-author-date $$SUB_PATCHES && \
  93                                 git tag $$SUB_TAG || exit 1; \
  94                         fi \
  95                 done && \
  96                 git tag ${F_OPNFV_TAG}'
  97         @touch $@
  98
  99 # Add copyright header to patch files if not already present
 100 .PHONY: patches-copyright
 101 patches-copyright:
 102         @grep -e "Copyright (c)" -L ${FPATCHES} | while read p_file; do \
 103                 ptmp=`mktemp` && \
 104                 cat fuel-patch-copyright.template $$p_file > $$ptmp && \
 105                 mv $$ptmp $$p_file; \
 106         done
 107
 108 # Clean any changes made to submodules, checkout upstream Fuel root commit
 109 .PHONY: clean
 110 clean:
 111         @cd ${F_GIT_ROOT} && git submodule -q foreach ' \
 112                 git am -q --abort > /dev/null 2>&1; \
 113                 git checkout -q -f ${F_OPNFV_TAG}-root > /dev/null 2>&1; \
 114                 git branch -q -D opnfv-fuel > /dev/null 2>&1; \
 115                 git tag | grep ${F_OPNFV_TAG} | xargs git tag -d > /dev/null 2>&1; \
 116                 git reset -q --hard HEAD; \
 117                 git clean -xdff'
 118         @rm -f .cachepatched
 119
 120 .PHONY: deepclean
 121 deepclean: clean
 122         @cd ${F_GIT_ROOT} && git submodule deinit -f ${F_GIT_ROOT}
 123         @rm -f .cache*
 124
 125 .PHONY: release
 126 release: sub
 127         $(MAKE) -f Makefile patches-import