On Mon, 2011-07-11 at 10:00 +0100, Phil Blundell wrote:
> On Mon, 2011-07-11 at 09:53 +0100, Chris Elston wrote:
> > +       STATUS=${IMAGE_ROOTFS}${opkglibdir}/status
> > +       mkdir -p `dirname ${STATUS}`
> 
> Not that it's a massive deal, but this call to "dirname" is redundant
> since dirname ${STATUS} is ${IMAGE_ROOTFS}${opkglibdir} by definition.
> 
> > +       # prime the status file with bits that we don't want
> > +       for i in ${BAD_RECOMMENDATIONS}; do
> > +               infln="`opkg-cl ${IPKG_ARGS} info $i | grep -e
> > '^Package:' -e '^Architecture:' -e '^Version:'`"
> > +               if [ ! -z "$infln" ]; then
> > +                       echo "$infln" >> $STATUS
> 
> Reading this again I wonder what would happen if one of the packages
> named in BAD_RECOMMENDATIONS doesn't actually exist.  Can you verify
> that this code does something sensible in that case?

You were right, Phil - it did fail in the case that a BAD_RECOMMENDATION didn't 
exist.
Patch updated to take account of that case, and also removed the dirname call.

Saul, resubmission below.

Cheers,

Chris.

---

As discussed on IRC on 30/06/11, this patch adds support for
BAD_RECOMMENDATIONS to rootfs_ipk, which is a list of packages NOT to
install if suggested or recommended by a recipe.  Taken from
http://thread.gmane.org/gmane.comp.handhelds.openembedded/30417.  

Note that current support for this in oe.dev may also be broken,
depending on the version of opkg in use.

Signed-off-by: Chris Elston <[email protected]>

---
 meta/classes/rootfs_ipk.bbclass |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/meta/classes/rootfs_ipk.bbclass b/meta/classes/rootfs_ipk.bbclass
index edd84fb..1540432 100644
--- a/meta/classes/rootfs_ipk.bbclass
+++ b/meta/classes/rootfs_ipk.bbclass
@@ -20,6 +20,9 @@ OPKG_POSTPROCESS_COMMANDS = "ipk_insert_feed_uris"
 
 opkglibdir = "${localstatedir}/lib/opkg"
 
+# Which packages to not install on the basis of a recommendation
+BAD_RECOMMENDATIONS ?= ""
+
 fakeroot rootfs_ipk_do_rootfs () {
        set -x
 
@@ -29,6 +32,23 @@ fakeroot rootfs_ipk_do_rootfs () {
        ${OPKG_PREPROCESS_COMMANDS}
 
        mkdir -p ${T}/
+ 
+       STATUS=${IMAGE_ROOTFS}${opkglibdir}/status
+       mkdir -p ${IMAGE_ROOTFS}${opkglibdir}
+
+       opkg-cl ${IPKG_ARGS} update
+
+       # prime the status file with bits that we don't want
+       for i in ${BAD_RECOMMENDATIONS}; do
+               pkginfo="`opkg-cl ${IPKG_ARGS} info $i`"
+               if [ ! -z "$pkginfo" ]; then
+                       echo "$pkginfo" | grep -e '^Package:' -e 
'^Architecture:' -e '^Version:' >> $STATUS
+                       echo "Status: deinstall ok not-installed" >> $STATUS
+                       echo >> $STATUS
+               else
+                       echo "Requested ignored recommendation $i is not a 
package"
+               fi
+       done
 
        #install
        export INSTALL_PACKAGES_ATTEMPTONLY_IPK="${PACKAGE_INSTALL_ATTEMPTONLY}"
-- 
1.6.2.5


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