From e1a3306d601b5ebcc5e50a5f2c190680a29ffb9e Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 21 Nov 2007 08:48:12 +0000
Subject: Generate an eerror elog message when an ebuild prerm or postrm phase
 fails. (trunk r8577)

svn path=/main/branches/2.1.2/; revision=8580
---
 bin/emerge     | 21 ---------------------
 pym/portage.py | 18 ++++++++++++++++++
 2 files changed, 18 insertions(+), 21 deletions(-)

diff --git a/bin/emerge b/bin/emerge
index bf1f32cd3..bb56f5e5b 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -4391,33 +4391,12 @@ def unmerge(settings, myopts, vartree, unmerge_action, unmerge_files,
 				vartree=vartree, ldpath_mtimes=ldpath_mtimes)
 			if retval != os.EX_OK:
 				emergelog(xterm_titles, " !!! unmerge FAILURE: "+y)
-				ebuild = vartree.dbapi.findname(y)
-				show_unmerge_failure_message(y, ebuild, retval)
 				sys.exit(retval)
 			else:
 				clean_world(vartree.dbapi, y)
 				emergelog(xterm_titles, " >>> unmerge success: "+y)
 	return 1
 
-def show_unmerge_failure_message(pkg, ebuild, retval):
-
-	from formatter import AbstractFormatter, DumbWriter
-	f = AbstractFormatter(DumbWriter(sys.stderr, maxcol=72))
-
-	msg = []
-	msg.append("A removal phase of the '%s' package " % pkg)
-	msg.append("has failed with exit value %s.  " % retval)
-	msg.append("The problem occurred while executing ")
-	msg.append("the ebuild located at '%s'.  " % ebuild)
-	msg.append("If necessary, manually remove the ebuild " )
-	msg.append("in order to skip the execution of removal phases.")
-
-	f.end_paragraph(1)
-	for x in msg:
-		f.add_flowing_data(x)
-	f.end_paragraph(1)
-	f.writer.flush()
-
 def chk_updated_info_files(root, infodirs, prev_mtimes, retval):
 
 	if os.path.exists("/usr/bin/install-info"):
diff --git a/pym/portage.py b/pym/portage.py
index 8081737f1..7964e1cdd 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -7672,6 +7672,7 @@ class dblink:
 		# Now, don't assume that the name of the ebuild is the same as the
 		# name of the dir; the package may have been moved.
 		myebuildpath = None
+		ebuild_phase = "prerm"
 		mystuff = listdir(self.dbdir, EmptyOnError=1)
 		for x in mystuff:
 			if x.endswith(".ebuild"):
@@ -7725,6 +7726,7 @@ class dblink:
 			self._unmerge_pkgfiles(pkgfiles, others_in_slot)
 
 			if myebuildpath:
+				ebuild_phase = "postrm"
 				retval = doebuild(myebuildpath, "postrm", self.myroot,
 					 self.settings, use_cache=0, tree="vartree",
 					 mydbapi=self.vartree.dbapi, vartree=self.vartree)
@@ -7738,6 +7740,22 @@ class dblink:
 			if builddir_lock:
 				try:
 					if myebuildpath:
+						if retval != os.EX_OK:
+							msg = ("The '%s' " % ebuild_phase) + \
+							("phase of the '%s' package " % self.mycpv) + \
+							("has failed with exit value %s. " % retval) + \
+							"The problem occurred while executing " + \
+							("the ebuild located at '%s'. " % myebuildpath) + \
+							"If necessary, manually remove the ebuild " + \
+							"in order to skip the execution of removal phases."
+							from textwrap import wrap
+							cmd = "source '%s/isolated-functions.sh' ; " % \
+								PORTAGE_BIN_PATH
+							for l in wrap(msg, 72):
+								cmd += "eerror \"%s\" ; " % l
+							portage_exec.spawn(["bash", "-c", cmd],
+								env=self.settings.environ())
+
 						# process logs created during pre/postrm
 						elog_process(self.mycpv, self.settings)
 						if retval == os.EX_OK:
-- 
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