From 2b0222bf310ddfd221e18d0bae46e803c04db1d2 Mon Sep 17 00:00:00 2001
From: Christiaan Welvaart <cjw@mageia.org>
Date: Thu, 7 Jul 2011 16:29:04 +0000
Subject: - extract gobject introspection typelib interdependencies using a
 helper program

---
 gi-find-deps.sh.in | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100755 gi-find-deps.sh.in

(limited to 'gi-find-deps.sh.in')

diff --git a/gi-find-deps.sh.in b/gi-find-deps.sh.in
new file mode 100755
index 0000000..0a356c2
--- /dev/null
+++ b/gi-find-deps.sh.in
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+# Automatically find Provides and Requires for typelib() gobject-introspection bindings.
+# can be started with -R (Requires) and -P (Provides)
+
+# Copyright 2011 by Dominique Leuenberger, Amsterdam, Netherlands (dimstar [at] opensuse.org)
+# This file is released under the GPLv2 or later.
+
+function split_name_version {
+base=$1
+tsymbol=${base%-*}
+# Sometimes we get a Requires on Gdk.Settings.foo, bebause you can directly use imports.gi.Gdk.Settings.Foo in Javascript.
+# We know that the symbol in this case is call Gdk, so we cut everything after the . away.
+symbol=$(echo $tsymbol | awk -F. '{print $1}')
+version=${base#*-}
+# In case there is no '-' in the filename, then the split above 'fails' and version == symbol (thus: no version specified)
+if [ "$tsymbol" = "$version" ]; then
+	unset version
+fi
+}
+
+function print_req_prov {
+echo -n "typelib($symbol)"
+if [ ! -z "$version" ]; then
+	echo " = ${version}"
+else
+	echo ""
+fi
+}
+
+function find_provides {
+while read file; do
+	case $file in
+		*.typelib)
+			split_name_version $(basename $file | sed 's,.typelib$,,')
+			print_req_prov
+			;;
+	esac
+done
+}
+
+function find_requires {
+# FIXME: There are multiple ways gi bindings can be imported. We only catch the 'basic' one
+# Currently, we detect:
+# - in python:
+#   . from gi.repository import foo [Unversioned requirement of 'foo']
+#   . from gi.repository import foo-1.0 [versioned requirement]
+#   . And we do not stumble over:
+#     from gi.repository import foo as _bar
+#     from gi.repository import foo, bar
+# - in JS:
+#   . imports.gi.foo; [unversioned requirement of 'foo']
+#   . imports.gi.goo-1.0; [versioned requirement]
+#   . The imports can be listed on one line, and we catch them.
+# Forms currently not detected:
+# - js: imports.gi.versions.Gtk = '3.0';
+# - py: gi.require_version('Gtk', '3.0')
+
+while read file; do
+	case $file in
+		*.js)
+			for module in $(grep -h -P -o "imports.gi.([^\s'\";]+)" $file | grep -v "imports.gi.version" | sed 's,imports.gi.,,'); do
+				split_name_version $module
+				print_req_prov
+			done
+			;;
+	      *.py)
+		        for module in $(grep -h -P "from gi.repository import (\w+)" $file | sed 's:#.*::' | sed -e 's,from gi.repository import,,' -r -e 's:\s+as\s+\w+::g' -e 's:,::g'); do
+				split_name_version $module
+				print_req_prov
+			done
+			;;
+	      *.typelib)
+			for module in $(@RPMVENDORDIR@/g-ir-extract-deps $file | tr '|' ' '); do
+				split_name_version $module
+				print_req_prov
+			done
+			;;
+	esac
+done
+}
+
+case $1 in
+	-P)	
+		find_provides
+		;;
+	-R)
+		find_requires
+		;;
+esac
+
-- 
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