From 96685ceb061ce05383b6cfa14c158fdf8c36822ab1f77d0de1f1894bca367d39 Mon Sep 17 00:00:00 2001
From: Stephan Kulow <coolo@suse.com>
Date: Wed, 4 Jul 2012 05:08:42 +0000
Subject: [PATCH] Accepting request 127027 from
 home:coolo:branches:openSUSE:Factory

- Provide the following new RPM macros:
  + %gem_unpack
  + %gem_build
  + %gem_install (retaining the old behavior)

- add automatic provides and requires for rubygems

OBS-URL: https://build.opensuse.org/request/show/127027
OBS-URL: https://build.opensuse.org/package/show/devel:languages:ruby/ruby?expand=0&rev=32
---
 ruby.changes    | 13 +++++++++++++
 ruby.macros     | 44 +++++++++++++++++++++++++++++++++++++++++++-
 ruby.spec       |  6 ++++++
 rubygems.attr   |  4 ++++
 rubygemsdeps.sh | 33 +++++++++++++++++++++++++++++++++
 5 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 rubygems.attr
 create mode 100644 rubygemsdeps.sh

diff --git a/ruby.changes b/ruby.changes
index 40a9a1d..2c56dd0 100644
--- a/ruby.changes
+++ b/ruby.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Tue Jul  3 08:02:01 UTC 2012 - saschpe@suse.de
+
+- Provide the following new RPM macros:
+  + %gem_unpack
+  + %gem_build
+  + %gem_install (retaining the old behavior)
+
+-------------------------------------------------------------------
+Mon Jul  2 14:06:43 UTC 2012 - coolo@suse.com
+
+- add automatic provides and requires for rubygems
+
 -------------------------------------------------------------------
 Tue Jun 19 10:10:00 UTC 2012 - coolo@suse.com
 
diff --git a/ruby.macros b/ruby.macros
index 5da96cb..164a7a4 100644
--- a/ruby.macros
+++ b/ruby.macros
@@ -1,8 +1,8 @@
 %gem_install                       %{gem19_install}
-%gem_cleanup                       /usr/bin/gem_build_cleanup %{buildroot}%{_libdir}/ruby/gems/%{rb_ver}
 %rubygems_requires                 %{rubygems19_requires}
 
 %rb_binary                         %{rb19_binary}
+%gem_binary                        /usr/bin/gem
 %rb_arch %{rb19_arch}
 %rb_ver %{rb19_ver}
 
@@ -26,3 +26,45 @@
 %rb_vendorlib                      %rb19_vendorlibdir
 %rb_vendorarch                     %rb19_vendorarchdir
 
+# %%gem_unpack macro unpacks a gem file into %%{_builddir}
+#
+# example:
+#   %prep
+#   %gem_unpack %{SOURCE0}
+#   %patch1 -p1
+#
+%gem_unpack() \
+if [ %# -eq 0 ]; then \
+    %{gem_binary} unpack --verbose %{SOURCE0} \
+else \
+    %{gem_binary} unpack --verbose %1 \
+fi \
+cd %{mod_name}-%{version} \
+%{nil}
+
+# %%gem_build macro ...
+#
+%gem_build() \
+GEMSPEC_SOURCE_DIR=`find . -maxdepth 2 -type f -name "*.gemspec" | xargs dirname` \
+cd $GEMSPEC_SOURCE_DIR && %{gem_binary} build --verbose *.gemspec \
+%{nil}
+
+# %%gem_install macro ...
+#
+# When invoked with a single parameter, the macro retains the old macro behavior, i.e. 
+# building the upstream gem directly in $RPM_BUILD_ROOT without unpacking to %{_builddir} first.
+#
+%gem_install() \
+if [ %# -eq 1 ]; then \
+    %{gem_binary} install --verbose --local --build-root=%{buildroot} \
+else \
+    GEM_FILE=`find . -maxdepth 2 -type f -name "%{mod_name}-%{version}.gem"` \
+    %{gem_binary} install --verbose --local --bindir %{buildroot}%{_bindir} --install-dir %{buildroot}%{_libdir}/ruby/gems/%{rb_ver} $GEM_FILE \
+fi \
+%{nil}
+
+%gem_cleanup() \
+/usr/bin/gem_build_cleanup %{buildroot}%{_libdir}/ruby/gems/%{rb_ver}/ \
+%{nil}
+
+
diff --git a/ruby.spec b/ruby.spec
index 372bafb..ef8fe09 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -26,6 +26,8 @@ Source0:        ruby.macros
 Source1:        gem_build_cleanup
 Source2:        gemrc
 Source3:        ruby.common-macros
+Source4:        rubygems.attr
+Source5:        rubygemsdeps.sh
 Provides:       /usr/bin/ruby
 Url:            http://www.ruby-lang.org/
 Summary:        An Interpreted Object-Oriented Scripting Language
@@ -95,6 +97,8 @@ ln -s %_libdir/libruby1.9.so $RPM_BUILD_ROOT%_libdir/libruby.so
 install -D -m 0644 %{S:0} $RPM_BUILD_ROOT/etc/rpm/macros.ruby
 install -D -m 0644 %{S:3} $RPM_BUILD_ROOT/etc/rpm/macros.common-ruby
 install -D -m 0644 %{S:2} $RPM_BUILD_ROOT/etc/gemrc
+install -D -m 0644 %{S:4} $RPM_BUILD_ROOT/%{_rpmconfigdir}/fileattrs/rubygems.attr
+install -D -m 0755 %{S:5} $RPM_BUILD_ROOT/%{_rpmconfigdir}/rubygemsdeps.sh
 export NO_BRP_STALE_LINK_ERROR=yes
 
 %files
@@ -111,6 +115,8 @@ export NO_BRP_STALE_LINK_ERROR=yes
 %defattr(-,root,root)
 /etc/gemrc
 /etc/rpm/macros.common-ruby
+%{_rpmconfigdir}/fileattrs/rubygems.attr
+%{_rpmconfigdir}/rubygemsdeps.sh
 %_bindir/gem_build_cleanup
 
 %changelog
diff --git a/rubygems.attr b/rubygems.attr
new file mode 100644
index 0000000..bfb25fe
--- /dev/null
+++ b/rubygems.attr
@@ -0,0 +1,4 @@
+%__rubygems_requires	%{_rpmconfigdir}/rubygemsdeps.sh --requires
+%__rubygems_provides        %{_rpmconfigdir}/rubygemsdeps.sh --provides
+%__rubygems_path            ^%{_libdir}/ruby/gems/.*/specifications
+
diff --git a/rubygemsdeps.sh b/rubygemsdeps.sh
new file mode 100644
index 0000000..90fd442
--- /dev/null
+++ b/rubygemsdeps.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+[ $# -ge 1 ] || {
+    cat > /dev/null
+    exit 0
+}
+
+case $1 in
+-P|--provides)
+    shift
+    RPM_BUILD_ROOT="$1"
+    while read possible
+    do
+	case "$possible" in
+	*.gemspec)
+	    possible=${possible##*/}
+	    possible=${possible%.gemspec} 
+	    echo "$possible" | sed -e 's,^\(.*\)-,rubygem(\1) = ,'
+	    ;;
+	esac
+    done
+    ;;
+-R|--requires)
+    while read possible ; do
+	case "$possible" in
+	*.gemspec)
+	    echo "$possible" | sed -ne 's,.*/gems/,ruby(abi) = ,; s,/.*,,p'
+	    ;;
+	esac
+    done
+    ;;
+esac
+exit 0