From 9fdb5bd957ebba1651465577e51095b3cb15d06f Mon Sep 17 00:00:00 2001
From: Philippe Pittoli <karchnu@karchnu.fr>
Date: Mon, 15 Mar 2021 02:13:38 +0100
Subject: [PATCH] apk packages and minor changes

---
 Makefile               |  3 +-
 bin/create-apk-package | 51 +++++++++++++++++++++++++++
 bin/create-apk-pkginfo | 29 ++++++++++++++++
 bin/create-package     | 32 +++++++++++++----
 bin/create-split-src   | 10 ------
 package.mk             | 78 +++++++++++++++++++++++++++---------------
 6 files changed, 158 insertions(+), 45 deletions(-)
 create mode 100755 bin/create-apk-package
 create mode 100755 bin/create-apk-pkginfo
 delete mode 100755 bin/create-split-src

diff --git a/Makefile b/Makefile
index c1bd4cd..f7ac0b3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,10 @@
 
 name    = xz
-version = 5.2.4
+version = 5.2.5
 URL = https://tukaani.org/xz/xz-$(version).tar.xz
 
 patches = file1.patch file2.patch
+conflicts =
 
 # for test purposes
 SYSCONF=.
diff --git a/bin/create-apk-package b/bin/create-apk-package
new file mode 100755
index 0000000..01255f9
--- /dev/null
+++ b/bin/create-apk-package
@@ -0,0 +1,51 @@
+#!/usr/bin/env sh
+
+# This script creates:
+# - a control.tar.gz containing the .PKGINFO file
+# - compressed data in the file 'data.tar.gz'
+# - a signature file
+#   remember to create your own RSA keys with "abuild-keygen -a"
+# - the final .apk package
+
+msg(){
+	echo -e "\e[31m>>\e[0m $*"
+}
+
+apk="$1"
+gzip="gzip"
+
+set -e
+
+# (in case of multiple runs of this script within the same directory)
+sed "/datahash =/d" .PKGINFO  > .PKGINFO.new
+mv .PKGINFO.new .PKGINFO
+
+# data.tar.gz
+set -- *
+
+SOURCE_DATE_EPOCH=$(date -u "+%s")
+# normalize timestamps
+find . -exec touch -h -d "@$SOURCE_DATE_EPOCH" {} +
+
+file_list=$(ls | grep -vE "(data.*|control.*)")
+tar --xattrs -f - -c ${file_list} | abuild-tar --hash | $gzip -9 >data.tar.gz
+
+msg "Create checksum..."
+# append the hash for data.tar.gz
+sha256=$(sha256sum data.tar.gz | cut -f1 -d' ')
+echo "datahash = $sha256" >> .PKGINFO
+
+# control.tar.gz
+tar \
+	--format=posix \
+	--pax-option=exthdr.name=%d/PaxHeaders/%f,atime:=0,ctime:=0 \
+	--mtime="@${SOURCE_DATE_EPOCH}" \
+	-f - -c .PKGINFO | abuild-tar --cut \
+	| $gzip -n -9 > control.tar.gz
+abuild-sign -q control.tar.gz || exit 1
+
+msg "Create $apk"
+cat control.tar.gz data.tar.gz > $apk
+
+rm data.* 2>/dev/null || :
+rm control.* 2>/dev/null || :
diff --git a/bin/create-apk-pkginfo b/bin/create-apk-pkginfo
new file mode 100755
index 0000000..c631f44
--- /dev/null
+++ b/bin/create-apk-pkginfo
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# This script creates the .PKGINFO file required by apk.
+
+du_sk=$(du -sk . | sed "s/[ \t].*//g")
+size=$(echo "$du_sk * 1000" | bc)
+
+cat <<END >.PKGINFO
+# Generated by 'create-package'.
+pkgname = ${name}
+pkgver = ${version}-r${release}
+url = ${URL}
+size = $size
+origin = 
+buildtype = host
+builddate = $(date "+%s")
+END
+
+for atom in ${dependencies}; do
+	echo "depend = ${atom}" >> .PKGINFO
+done
+
+for atom in ${provides}; do
+	echo "provides = ${atom}" >> .PKGINFO
+done
+
+for atom in ${conflicts}; do
+	echo "conflicts = ${atom}" >> .PKGINFO
+done
diff --git a/bin/create-package b/bin/create-package
index 4d11834..173e0e1 100755
--- a/bin/create-package
+++ b/bin/create-package
@@ -2,9 +2,29 @@
 
 package=$1
 
-tar cvf data.tar .
-zstd --ultra data.tar
-rm data.tar
-create-manifest > package-manifest
-create-meta > package-info
-tar cvf $package package-manifest package-info data.tar.zst
+# These functions transform the current directory into a full-blown baguette or apk package.
+baguette(){
+	package=$1
+
+	tar cvf data.tar .
+	zstd --ultra data.tar
+	rm data.tar
+	create-manifest > package-manifest
+	create-meta > package-info
+	tar cvf $package package-manifest package-info data.tar.zst
+}
+
+apk(){
+	create-apk-pkginfo
+	create-apk-package $1
+}
+
+case x-$PACKAGE_MANAGER in
+	x-baguette) echo "Create Baguette package '${package}'" ; baguette "${package}" ;;
+	x-apk)      echo "Create apk package '${package}'"      ; apk      "${package}" ;;
+	x-*)
+		echo "package manager '${PACKAGE_MANAGER}' not recognized" 1>&2
+		exit 1
+		;;
+esac
+
diff --git a/bin/create-split-src b/bin/create-split-src
deleted file mode 100755
index f25d4a6..0000000
--- a/bin/create-split-src
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/sh
-
-# Usage: create-split-src
-
-# Currently in ${pkg_fake_root_dir}
-# Should send files in ${pkg_fake_root_src_dir}
-
-# First, list files
-find . | while read F; do
-done
diff --git a/package.mk b/package.mk
index 5021c5d..bed849d 100644
--- a/package.mk
+++ b/package.mk
@@ -1,5 +1,9 @@
 # Preferences, default environment.
 
+# TODO:
+# - install build dependencies
+# - chroot build
+
 # Used by default for working directory and log file names
 gen_uuid != uuidgen
 
@@ -21,6 +25,8 @@ patches ?=
 
 Q ?= @
 
+JOBS ?= 1
+
 release ?= 0
 
 export SLOT PREFIX BINDIR LIBDIR SHAREDIR INCLUDEDIR MANDIR
@@ -47,11 +53,7 @@ CMAKE_OPTIONS_USER ?=
 CMAKE_OPTIONS ?= "-DCMAKE_INSTALL_PREFIX="$(PREFIX) \
 	"-DCMAKE_BUILD_TYPE=Release" \
 	$(CMAKE_OPTIONS_USER) \
-	"-- -j"$(BUILD_CORES)
-
-PACKAGE_MANAGER ?= baguette # Available: baguette, apk
-
-BUILD_CORES ?= 1
+	"-- -j"$(JOBS)
 
 tarballs_directory   = /tmp/src# where to store package sources
 repository_directory = /tmp/pkg# local package repository
@@ -73,7 +75,14 @@ bdir ?= $(pkg_build_dir)
 auto_ext != echo $(URL) | grep -oE "(zip|tar.xz|tar.gz)$$"
 ext ?= $(auto_ext)
 
-baguette_ext := baguette
+
+PACKAGE_MANAGER ?= baguette # Available: baguette, apk
+export PACKAGE_MANAGER
+
+package_ext := baguette
+ifeq ($(PACKAGE_MANAGER), apk)
+package_ext := apk
+endif
 
 download_tool ?= wget
 
@@ -221,7 +230,7 @@ fake_root_install: create_fake_root_dir pre_fake_root_install fake_root_install_
 export name version release
 export URL description dependencies conflicts provides patches
 
-package_base = $(repository_directory)/$(ARCH)/$(name)-$(version)-r$(release).$(baguette_ext)
+package_base = $(repository_directory)/$(ARCH)/$(name)-$(version)-r$(release).$(package_ext)
 package_base: $(package_base)
 $(package_base):
 	@echo "Packaging $@"
@@ -240,57 +249,70 @@ extract_src_zip:
 extract_src_tar.%:
 	$(Q)cd $(pkg_fake_root_src_dir) && tar xf $(tarball)
 
-package_src = $(repository_directory)/$(ARCH)/$(name)-src-$(version)-r$(release).$(baguette_ext)
+package_src = $(repository_directory)/$(ARCH)/$(name)-src-$(version)-r$(release).$(package_ext)
 package_src: create_fake_root_src_dir extract_src_$(ext) $(package_src)
 $(package_src):
 	@echo "Packaging $@"
 	@-cd $(pkg_fake_root_src_dir) ; for F in `ls data* 2>/dev/null` ; do rm $F ; done; :
-	$(Q)cp -v $(patches) $(pkg_fake_root_src_dir)
+	$(Q)[ ! -z "$(patches)" ] && cp -v $(patches) $(pkg_fake_root_src_dir) || :
 	$(Q)cd $(pkg_fake_root_src_dir) && dependencies="" conflicts="" provides="" create-package $@ \
 		 >> $(log_file).info 2>> $(log_file).err
 
-package_doc = $(repository_directory)/$(ARCH)/$(name)-doc-$(version)-r$(release).$(baguette_ext)
+package_doc = $(repository_directory)/$(ARCH)/$(name)-doc-$(version)-r$(release).$(package_ext)
 package_doc: $(package_doc)
 $(package_doc):
 	@echo "Packaging $@"
 	$(Q)cd $(pkg_fake_root_dir) && create-split-doc >> $(log_file).info 2>> $(log_file).err
-	@-cd $(pkg_fake_root_doc_dir) ; for F in `ls data* 2>/dev/null` ; do rm $F ; done; :
-	$(Q)cd $(pkg_fake_root_doc_dir) && dependencies="" conflicts="" provides="" create-package $@ \
-		>> $(log_file).info 2>> $(log_file).err
+	$(Q)[ -d "$(pkg_fake_root_doc_dir)" ] && ( \
+		cd $(pkg_fake_root_doc_dir) ; \
+		for F in `ls data* 2>/dev/null` ; do rm $F ; done; : ; \
+		dependencies="" conflicts="" provides="" create-package $@ \
+		>> $(log_file).info 2>> $(log_file).err \
+	) ; :
 
-package_man = $(repository_directory)/$(ARCH)/$(name)-man-$(version)-r$(release).$(baguette_ext)
+package_man = $(repository_directory)/$(ARCH)/$(name)-man-$(version)-r$(release).$(package_ext)
 package_man: $(package_man)
 $(package_man):
 	@echo "Packaging $@"
 	$(Q)cd $(pkg_fake_root_dir) && create-split-man >> $(log_file).info 2>> $(log_file).err
-	@-cd $(pkg_fake_root_man_dir) ; for F in `ls data* 2>/dev/null` ; do rm $F ; done; :
-	$(Q)cd $(pkg_fake_root_man_dir) && dependencies="" conflicts="" provides="" create-package $@ \
-		>> $(log_file).info 2>> $(log_file).err
+	$(Q)[ -d "$(pkg_fake_root_man_dir)" ] && ( \
+		cd $(pkg_fake_root_man_dir) ; \
+		for F in `ls data* 2>/dev/null` ; do rm $F ; done; : ; \
+		dependencies="" conflicts="" provides="" create-package $@ \
+		>> $(log_file).info 2>> $(log_file).err \
+	) ; :
 
-package_dev = $(repository_directory)/$(ARCH)/$(name)-dev-$(version)-r$(release).$(baguette_ext)
+package_dev = $(repository_directory)/$(ARCH)/$(name)-dev-$(version)-r$(release).$(package_ext)
 package_dev: $(package_dev)
 $(package_dev):
 	@echo "Packaging $@"
 	$(Q)cd $(pkg_fake_root_dir) && create-split-dev >> $(log_file).info 2>> $(log_file).err
-	@-cd $(pkg_fake_root_dev_dir) ; for F in `ls data* 2>/dev/null` ; do rm $F ; done; :
-	$(Q)cd $(pkg_fake_root_dev_dir) && dependencies="" conflicts="" provides="" create-package $@ \
-		>> $(log_file).info 2>> $(log_file).err
+	$(Q)[ -d "$(pkg_fake_root_dev_dir)" ] && ( \
+		cd $(pkg_fake_root_dev_dir) ; \
+		for F in `ls data* 2>/dev/null` ; do rm $F ; done; : ; \
+		dependencies="" conflicts="" provides="" create-package $@ \
+		>> $(log_file).info 2>> $(log_file).err \
+	) ; :
 
-package_libs = $(repository_directory)/$(ARCH)/$(name)-libs-$(version)-r$(release).$(baguette_ext)
+package_libs = $(repository_directory)/$(ARCH)/$(name)-libs-$(version)-r$(release).$(package_ext)
 package_libs: $(package_libs)
 $(package_libs):
 	@echo "Packaging $@"
 	$(Q)cd $(pkg_fake_root_dir) && create-split-libs >> $(log_file).info 2>> $(log_file).err
-	@-cd $(pkg_fake_root_libs_dir) ; for F in `ls data* 2>/dev/null` ; do rm $F ; done; :
-	$(Q)cd $(pkg_fake_root_libs_dir) && dependencies="" conflicts="" provides="" create-package $@ \
-		>> $(log_file).info 2>> $(log_file).err
+	$(Q)[ -d "$(pkg_fake_root_libs_dir)" ] && ( \
+		cd $(pkg_fake_root_libs_dir) ; \
+		for F in `ls data* 2>/dev/null` ; do rm $F ; done; : ; \
+		dependencies="" conflicts="" provides="" create-package $@ \
+		>> $(log_file).info 2>> $(log_file).err \
+	) ; :
 
 
 check_binaries:
 	@echo "Checking for required binaries (ftp or wget, tar & xz, unzip, zstd, strip)"
-	@which ftp >/dev/null || which wget >/dev/null
-	@which tar >/dev/null && which xz >/dev/null
-	@which unzip zstd strip >/dev/null
+	which ftp >/dev/null || which wget >/dev/null
+	which tar >/dev/null && which xz >/dev/null
+	which unzip zstd strip >/dev/null
+	[ $(PACKAGE_MANAGER) = "apk" ] && which abuild-sign abuild-tar >/dev/null || :
 	@echo "Checking for required binaries (ftp or wget, tar & xz, unzip, zstd, strip): done"
 
 splits: package_src package_doc package_man package_dev package_libs