[OE-core] [PATCH 1/6] Add pixbufcache class

[Laurentiu Palcu]

All packages exporting pixbuf loaders should inherit this class in order
to generate the correct postinst/postrm scriptlets.

[YOCTO #3852]

Signed-off-by: Laurentiu Palcu <laurentiu.palcu at intel.com>
---
 meta/classes/pixbufcache.bbclass |   57 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 meta/classes/pixbufcache.bbclass

diff --git a/meta/classes/pixbufcache.bbclass b/meta/classes/pixbufcache.bbclass
new file mode 100644
index 0000000..575f8c2
--- /dev/null
+++ b/meta/classes/pixbufcache.bbclass
@@ -0,0 +1,57 @@
+#
+# This class will generate the proper postinst/postrm scriptlets for pixbuf
+# packages.
+#
+
+DEPENDS += "qemu-native"
+inherit qemu
+
+PIXBUF_PACKAGES ??= "${PN}"
+
+pixbufcache_common() {
+
+if [ "x$D" != "x" ]; then
+	if [ ! -f $INTERCEPT_DIR/update_pixbuf_cache ]; then
+		cat << "EOF" >$INTERCEPT_DIR/update_pixbuf_cache
+#!/bin/sh
+
+export GDK_PIXBUF_MODULEDIR=$D${libdir}/gdk-pixbuf-2.0/2.10.0/loaders
+
+${@qemu_run_binary(d, '$D', '/usr/bin/gdk-pixbuf-query-loaders')} \
+	>$GDK_PIXBUF_MODULEDIR/../loaders.cache 2>/dev/null
+
+sed -i -e "s:$D::g" $GDK_PIXBUF_MODULEDIR/../loaders.cache
+EOF
+	fi
+	exit 0
+fi
+
+# Update the pixbuf loaders in case they haven't been registered yet
+GDK_PIXBUF_MODULEDIR=${libdir}/gdk-pixbuf-2.0/2.10.0/loaders gdk-pixbuf-query-loaders --update-cache
+
+if [ -x ${bindir}/gtk-update-icon-cache ] && [ -d ${datadir}/icons ]; then
+    for icondir in /usr/share/icons/*; do
+        if [ -d ${icondir} ]; then
+            gtk-update-icon-cache -t -q ${icondir}
+        fi
+    done
+fi
+}
+
+python populate_packages_append() {
+    pixbuf_pkgs = d.getVar('PIXBUF_PACKAGES', True).split()
+
+    for pkg in pixbuf_pkgs:
+        bb.note("adding pixbuf postinst and postrm scripts to %s" % pkg)
+        postinst = d.getVar('pkg_postinst_%s' % pkg, True) or d.getVar('pkg_postinst', True)
+        if not postinst:
+            postinst = '#!/bin/sh\n'
+        postinst += d.getVar('pixbufcache_common', True)
+        d.setVar('pkg_postinst_%s' % pkg, postinst)
+
+        postrm = d.getVar('pkg_postrm_%s' % pkg, True) or d.getVar('pkg_postrm', True)
+        if not postrm:
+            postrm = '#!/bin/sh\n'
+        postrm += d.getVar('pixbufcache_common', True)
+        d.setVar('pkg_postrm_%s' % pkg, postrm)
+}
-- 
1.7.9.5