[oe-commits] [openembedded-core] 17/24: package.bbclass: add support for pkg_postinst_ontarget()

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 229f4e975fb6957f44b5c56735fd6d58564098d7
Author: Alexander Kanavin <alexander.kanavin at linux.intel.com>
AuthorDate: Mon Jan 29 14:01:31 2018 +0200

    package.bbclass: add support for pkg_postinst_ontarget()
    
    This function is a convenient and more readable shortcut for situations
    when the postinst code always needs to run on target. All commands that
    cannot be executed during cross-install and can only be run on target
    should go into this function. They will only be executed on first boot
    (if package was cross-installed) or immediately during package installation
    on target.
    
    Plain pkg_postinst() works as before: it is run during cross-install time,
    it can contain a request to defer to first boot, and it is also run
    during package installation on target.
    
    Also fix the oeqa test for this functionality to use the new function
    where appropriate.
    
    Signed-off-by: Alexander Kanavin <alexander.kanavin at linux.intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta-selftest/recipes-test/postinst/postinst_1.0.bb | 14 ++------------
 meta/classes/package.bbclass                        | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/meta-selftest/recipes-test/postinst/postinst_1.0.bb b/meta-selftest/recipes-test/postinst/postinst_1.0.bb
index 112aa08..d4bab6d 100644
--- a/meta-selftest/recipes-test/postinst/postinst_1.0.bb
+++ b/meta-selftest/recipes-test/postinst/postinst_1.0.bb
@@ -35,14 +35,9 @@ pkg_postinst_${PN}-rootfs () {
 
 # Depends on rootfs, delays until first boot, verifies that the rootfs file was
 # written.
-pkg_postinst_${PN}-delayed-a () {
+pkg_postinst_ontarget_${PN}-delayed-a () {
     set -e
 
-    if [ -n "$D" ]; then
-        echo "Delaying ${PN}-delayed-a until first boot"
-        exit 1
-    fi
-
     if [ ! -e ${TESTDIR}/rootfs ]; then
         echo "${PN}-delayed-a: ${TESTDIR}/rootfs not found"
         exit 1
@@ -53,14 +48,9 @@ pkg_postinst_${PN}-delayed-a () {
 
 # Depends on delayed-a, delays until first boot, verifies that the delayed-a file was
 # written. This verifies the ordering between delayed postinsts.
-pkg_postinst_${PN}-delayed-b () {
+pkg_postinst_ontarget_${PN}-delayed-b () {
     set -e
 
-    if [ -n "$D" ]; then
-        echo "Delaying ${PN}-delayed-b until first boot"
-        exit 1
-    fi
-
     if [ ! -e ${TESTDIR}/delayed-a ]; then
         echo "${PN}-delayed-b: ${TESTDIR}/delayed-a not found"
         exit 1
diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
index 7dc7596..6a7f35a 100644
--- a/meta/classes/package.bbclass
+++ b/meta/classes/package.bbclass
@@ -1320,6 +1320,25 @@ python emit_pkgdata() {
     from glob import glob
     import json
 
+    def process_postinst_on_target(pkg, mlprefix):
+        defer_fragment = """
+if [ -n "$D" ]; then
+    $INTERCEPT_DIR/postinst_intercept delay_to_first_boot %s mlprefix=%s
+    exit 0
+fi
+""" % (pkg, mlprefix)
+
+        postinst = d.getVar('pkg_postinst_%s' % pkg)
+        postinst_ontarget = d.getVar('pkg_postinst_ontarget_%s' % pkg)
+
+        if postinst_ontarget:
+            bb.debug(1, 'adding deferred pkg_postinst_ontarget() to pkg_postinst() for %s' % pkg)
+            if not postinst:
+                postinst = '#!/bin/sh\n'
+            postinst += defer_fragment
+            postinst += postinst_ontarget
+            d.setVar('pkg_postinst_%s' % pkg, postinst)
+
     def write_if_exists(f, pkg, var):
         def encode(str):
             import codecs
@@ -1415,6 +1434,7 @@ python emit_pkgdata() {
         write_if_exists(sf, pkg, 'ALLOW_EMPTY')
         write_if_exists(sf, pkg, 'FILES')
         write_if_exists(sf, pkg, 'CONFFILES')
+        process_postinst_on_target(pkg, d.getVar("MLPREFIX"))
         write_if_exists(sf, pkg, 'pkg_postinst')
         write_if_exists(sf, pkg, 'pkg_postrm')
         write_if_exists(sf, pkg, 'pkg_preinst')

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