From 128b0f0e848405a7dc0b9aea560cc809d0b13084 Mon Sep 17 00:00:00 2001
From: Jakub Jirutka <jakub@jirutka.cz>
Date: Mon, 1 May 2017 15:16:09 +0200
Subject: community/php7: automatically resolve deps of extensions

This solution is based on https://github.com/alpinelinux/aports/pull/893
by vakartel, but improved, cleaned and fixed to get it actually works.
---
 community/php7/APKBUILD | 51 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 33 insertions(+), 18 deletions(-)

(limited to 'community/php7/APKBUILD')

diff --git a/community/php7/APKBUILD b/community/php7/APKBUILD
index 8069b29436..59a0f58415 100644
--- a/community/php7/APKBUILD
+++ b/community/php7/APKBUILD
@@ -28,16 +28,12 @@ arch="all"
 license="PHP-3 BSD LGPL2 MIT Zend"
 options=""
 depends="$pkgname-common"
-depends_dom="$pkgname-xml"
-depends_mysqli="$pkgname-mysqlnd"
 depends_mysqlnd="$pkgname-openssl"
-depends_pdo_mysql="$pkgname-mysqlnd"
+# openssl is actually transitive dependency here, but we need to because of
+# load index based on number of dependencies.
+depends_mysqli="$pkgname-mysqlnd $pkgname-openssl"
+depends_pdo_mysql="$pkgname-pdo $pkgname-mysqlnd"
 depends_phar="$pkgname"
-depends_soap="$pkgname-xml"
-depends_wddx="$pkgname-xml"
-depends_xmlreader="$pkgname-dom"
-depends_xmlrpc="$pkgname-xml"
-depends_xsl="$pkgname-dom"
 makedepends="autoconf bison re2c apache2-dev libxml2-dev libxslt-dev libzip-dev bzip2-dev zlib-dev
 	aspell-dev enchant-dev pcre-dev curl-dev gmp-dev icu-dev imap-dev
 	libical-dev libressl-dev openldap-dev net-snmp-dev db-dev krb5-dev gdbm-dev sqlite-dev
@@ -62,7 +58,7 @@ _extension_confd="/etc/$pkgname/conf.d"
 
 _exts="bcmath bz2 calendar ctype curl dba dom enchant exif fileinfo ftp gd gettext gmp iconv imap intl json
 	ldap mbstring mcrypt mysqli mysqlnd odbc opcache openssl pcntl pdo pdo_dblib pdo_mysql
-	pdo_odbc pdo_pgsql pdo_sqlite pgsql phar:phar posix pspell recode session shmop simplexml snmp soap
+	pdo_odbc pdo_pgsql pdo_sqlite pgsql phar posix pspell recode session shmop simplexml snmp soap
 	sockets sqlite3 sysvmsg sysvsem sysvshm tidy tokenizer wddx xml xmlreader xmlrpc xmlwriter xsl zip zlib
 	"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-apache2 $pkgname-phpdbg $pkgname-embed
@@ -70,7 +66,7 @@ subpackages="$pkgname-dev $pkgname-doc $pkgname-apache2 $pkgname-phpdbg $pkgname
 	"
 for _ext in $_exts; do
 	case "$_ext" in
-	*:*) subpackages="$subpackages $pkgname-$_ext";;
+	phar) subpackages="$subpackages $pkgname-$_ext:$_ext";;
 	*) subpackages="$subpackages $pkgname-$_ext:_package_ext";;
 	esac
 done
@@ -383,15 +379,14 @@ _package_ext() {
 	local extname="${subpkgname#$pkgname-}"
 	local extdepends="$(eval "echo \$depends_$extname")"
 	pkgdesc="PHP$_suffix extension: $extname"
-	depends="$depends $extdepends"
 
-	case "$extname" in
-	pdo_*) depends="$depends $pkgname-pdo"
-	esac
+	: ${extdepends:=$(_resolve_extension_deps "$extname")}
+	depends="$depends $extdepends"
 
-	# extension dependencies and loading order
-	local elo=00
-	[ -z "$extdepends" ] || elo=01
+	# Compute prefix for extension config, so extension depending on other
+	# extension(s) will be loaded later than those without dependencies.
+	# This is flawed, but good enough for now.
+	local index=$(echo "$extdepends" | wc -w)
 
 	# extension prefix
 	local prefix=
@@ -404,7 +399,27 @@ _package_ext() {
 		"$subpkgdir"/$_extension_dir/ || return 1
 
 	echo "${prefix}extension=$extname.so" \
-		> "$subpkgdir"/$_extension_confd/${elo}_${extname}.ini
+		> "$subpkgdir"/$_extension_confd/$(printf %02d $index)_$extname.ini
+}
+
+# Resolves dependencies of the given extension name (without $pkgname- prefix)
+# on other extensions in $_exts and prints them with $pkgname- prefix.
+_resolve_extension_deps() {
+	local name="$1"
+
+	# We use config.w32 just because it's more accurate than config.m4.
+	local config="$builddir/ext/$name/config.w32"
+	[ -f "$config" ] || return 0
+
+	cat "$config" \
+		| sed -En "s/.*ADD_EXTENSION_DEP\('$name', ([^)]+)\).*/\1/p" \
+		| tr -d "'," | tr ' ' '\n' \
+		| sort -u \
+		| while read dep; do
+			if echo "$_exts" | grep -qw "$dep"; then
+				echo "$pkgname-$dep"
+			fi
+		done
 }
 
 sha512sums="a1dd5ffd756176e6ba600dd850510033d0d6f07aff314de69fec0c42437e6a006449e3f4f98679146a2f2645caa65ea351e31a8e1da7c14cc5260856ad40eaff  php-7.1.4.tar.bz2
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