1.135: add script for typelib() gobject-introspection bindings provides/requires1.135

1 files changed, 85 insertions, 0 deletions

diff --git a/gi-find-deps.sh b/gi-find-deps.sh
new file mode 100755
index 0000000..5cb3905
--- /dev/null
+++ b/gi-find-deps.sh
@@ -0,0 +1,85 @@
+#!/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
+			;;
+	esac
+done
+}
+
+case $1 in
+	-P)	
+		find_provides
+		;;
+	-R)
+		find_requires
+		;;
+esac
+