From 26b5984c3f00c431a19bfecda57a5bb536178d57 Mon Sep 17 00:00:00 2001
From: Pavel Charvat <pchar@ucw.cz>
Date: Tue, 18 Apr 2017 13:20:37 +0200
Subject: [PATCH] Build: Added support for chrooted building from Centrum
 Gigamail repository.

---
 debian/mk      |  9 ++++++---
 debian/pkg-lib | 21 ++++++++++++++-------
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/debian/mk b/debian/mk
index 517faec3..84b92b5f 100755
--- a/debian/mk
+++ b/debian/mk
@@ -1,6 +1,6 @@
 #!/bin/bash
 # A script for building of LibUCW packages
-# (c) 2013--2014 Pavel Charvat <pchar@ucw.cz>
+# (c) 2013--2017 Pavel Charvat <pchar@ucw.cz>
 
 set -e
 . debian/pkg-lib
@@ -16,6 +16,7 @@ Options:
 --abi-version=<ver>	Custom version number of the LibUCW's ABI (default: defined in ucw/default.cfg)
 --gen-script=<script>	Custom script to postprocess
 --extra-conf=<args>	Add extra arguments to the configure script
+--no-checkout		Expect manually checked out sources to build directory (useful for chrooted building; --version is mandatory)
 EOF
 	exit 1
 }
@@ -69,7 +70,9 @@ while [ -n "$1" ] ; do
 			;;
 	--extra-conf=*)	CONF="$CONF ${1:13}"
 			;;
-        *)		usage
+	--no-checkout)	PKG_NO_CHECKOUT=1
+			;;
+	*)		usage
 			;;
 	esac
 	shift
@@ -78,7 +81,7 @@ done
 pkg-git-version
 pkg-git-checkout
 
-echo $TREEVER >$BUILDDIR/UCW_VERSION
+echo $VER >$BUILDDIR/UCW_VERSION
 pkg-gen-debian
 
 BUILDOPTS=
diff --git a/debian/pkg-lib b/debian/pkg-lib
index 62f32ce9..4918e83d 100755
--- a/debian/pkg-lib
+++ b/debian/pkg-lib
@@ -1,17 +1,22 @@
 # A library of shell functions for building of Debian packages
 # (c) 2008--2009 Martin Mares <mj@ucw.cz>
-# (c) 2009--2013 Pavel Charvat <pchar@ucw.cz>
+# (c) 2009--2017 Pavel Charvat <pchar@ucw.cz>
 
 # Expects:
 # PKG		name of the package
 # ROOT		absolute path to the root of the source tree
 # PKGVER	custom package version
 
-unset PKG ROOT SRCVER VER
+unset PKG ROOT SRCVER VER PKG_NO_CHECKOUT
 
 function pkg-git-version {
-	TREEVER=`git describe --tags | sed 's/^v//;s/[a-f]$/&-0/'`
-	TREEHASH=`git rev-parse --verify HEAD`
+	if [ -z "$PKG_NO_CHECKOUT" ] ; then
+		TREEVER=`git describe --tags | sed 's/^v//;s/[a-f]$/&-0/'`
+		TREEHASH=`git rev-parse --verify HEAD`
+	else
+		TREEVER=?
+		TREEHASH=?
+	fi
 	VER=${PKGVER:-$TREEVER}
 	SRCVER=${PKGVER:-$VER}
 	cat <<EOF
@@ -29,9 +34,11 @@ EOF
 
 function pkg-git-checkout {
 	BUILDDIR=debian-tmp/$PKG-$SRCVER
-	rm -rf debian-tmp
-	mkdir -p $BUILDDIR
-	git checkout-index -a --prefix=$BUILDDIR/
+	if [ -z "$PKG_NO_CHECKOUT" ] ; then
+		rm -rf debian-tmp
+		mkdir -p $BUILDDIR
+		git checkout-index -a --prefix=$BUILDDIR/
+	fi
 }
 
 function pkg-fake-changelog {
-- 
2.39.5