From c9ab8a7f6c4d70672e2681f0e57d3298a2bdab7b Mon Sep 17 00:00:00 2001
From: Allan McRae <allan@archlinux.org>
Date: Sun, 22 Sep 2013 11:25:29 +0100
Subject: makepkg: run locally with libtool style wrapper

Build makepkg to scripts/.lib/makepkg and add a wrapper script to
call it. This is not useful at the moment, but is the first step
to allowing makepkg to be split into smaller pieces.

Signed-off-by: Allan McRae <allan@archlinux.org>
[Ashley: rebased]
Signed-off-by: Ashley Whetter <ashley@awhetter.co.uk>
---
 scripts/.gitignore            |  1 +
 scripts/Makefile.am           | 25 +++++++++++++++++++++++++
 scripts/makepkg-wrapper.sh.in | 23 +++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 scripts/makepkg-wrapper.sh.in

diff --git a/scripts/.gitignore b/scripts/.gitignore
index 26e088b9..8dac5035 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -1,5 +1,6 @@
 makepkg
 makepkg-template
+makepkg-wrapper
 pacman-db-upgrade
 pacman-key
 pacman-optimize
diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 1f3bae24..f45065da 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -6,6 +6,7 @@ SUBDIRS = po
 bin_SCRIPTS = \
 	$(OURSCRIPTS) \
 	makepkg-template \
+	makepkg-wrapper \
 	repo-remove \
 	repo-elephant
 
@@ -20,6 +21,7 @@ OURSCRIPTS = \
 EXTRA_DIST = \
 	makepkg.sh.in \
 	makepkg-template.pl.in \
+	makepkg-wrapper.sh.in \
 	pacman-db-upgrade.sh.in \
 	pacman-key.sh.in \
 	pacman-optimize.sh.in \
@@ -37,6 +39,9 @@ LIBRARY = \
 # Files that should be removed, but which Automake does not know.
 MOSTLYCLEANFILES = $(bin_SCRIPTS)
 
+clean-local:
+	$(AM_V_at)$(RM) -r .lib
+
 if USE_GIT_VERSION
 GIT_VERSION := $(shell sh -c 'git describe --abbrev=4 --dirty | sed s/^v//')
 REAL_PACKAGE_VERSION = $(GIT_VERSION)
@@ -77,6 +82,7 @@ $(OURSCRIPTS): Makefile
 
 makepkg: \
 	$(srcdir)/makepkg.sh.in \
+	$(srcdir)/makepkg-wrapper.sh.in \
 	$(srcdir)/library/parseopts.sh
 
 makepkg-template: \
@@ -117,7 +123,26 @@ repo-elephant: $(srcdir)/repo-add.sh.in
 	$(AM_V_at)$(RM) repo-elephant
 	$(AM_V_at)$(LN_S) repo-add repo-elephant
 
+makepkg-wrapper: \
+	Makefile \
+	$(srcdir)/makepkg-wrapper.sh.in \
+	$(srcdir)/makepkg.sh.in \
+	$(srcdir)/library/parseopts.sh \
+	| makepkg
+	$(AM_V_at)$(MKDIR_P) .lib
+	$(AM_V_at)mv -f makepkg .lib
+	$(AM_V_at)$(RM) $@
+	$(AM_V_GEN)sed \
+		-e "s|@PWD[@]|$$(pwd)|" \
+		-e '1s|!/bin/bash|!$(BASH_SHELL)|g' \
+		$(srcdir)/$@.sh.in > $@
+	$(AM_V_at)chmod +x,a-w $@
+	$(AM_V_at)$(LN_S) makepkg-wrapper makepkg
+
 install-data-hook:
+	cd $(DESTDIR)$(bindir) && \
+		$(RM) makepkg makepkg-wrapper
+	$(INSTALL) .lib/makepkg $(DESTDIR)$(bindir)/makepkg
 	cd $(DESTDIR)$(bindir) && \
 		$(RM) repo-elephant && \
 		( $(LN_S) repo-add repo-elephant || \
diff --git a/scripts/makepkg-wrapper.sh.in b/scripts/makepkg-wrapper.sh.in
new file mode 100644
index 00000000..d703ee4c
--- /dev/null
+++ b/scripts/makepkg-wrapper.sh.in
@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+#   makepkg - a wrapper for running the real makepkg in the source tree
+#
+#   Copyright (c) 2013 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+DIR="@PWD@"
+
+LIBRARY="$DIR"/libmakepkg exec "$DIR"/.lib/makepkg "$@"
-- 
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