From c807e23b6c323ca59d7f3d249251aaff9bac3fdd Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 8 Jul 2007 07:28:02 +0000
Subject: [PATCH] For bug #184566, enable the emerge --info action to run an
 option pkg_info() function from each installed ebuild. (trunk r7201)

svn path=/main/branches/2.1.2/; revision=7202
---
 bin/ebuild.sh  |  7 ++++++-
 bin/emerge     | 26 +++++++++++++++-----------
 pym/portage.py |  4 ++--
 3 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 117268230..cc09080bd 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -1616,7 +1616,12 @@ for myarg in ${EBUILD_SH_ARGS} ; do
 		qa_call pkg_nofetch
 		exit 1
 		;;
-	prerm|postrm|postinst|config)
+	prerm|postrm|postinst|config|info)
+		if [ "${myarg}" == "info" ] && \
+			[ "$(type -t pkg_${myarg})" != "function" ]; then
+			ewarn  "pkg_${myarg}() is not defined: '${EBUILD##*/}'"
+			continue
+		fi
 		export SANDBOX_ON="0"
 		if [ "$PORTAGE_DEBUG" != "1" ]; then
 			[ "$(type -t pre_pkg_${myarg})" == "function" ] && qa_call pre_pkg_${myarg}
diff --git a/bin/emerge b/bin/emerge
index 4145b6b2a..fd600aa86 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -5016,7 +5016,12 @@ def action_info(settings, trees, myopts, myfiles):
 
 		# Loop through each package
 		# Only print settings if they differ from global settings
-		header_printed = False
+		header_title = "Package Settings"
+		print header_width * "="
+		print header_title.rjust(int(header_width/2 + len(header_title)/2))
+		print header_width * "="
+		from output import EOutput
+		out = EOutput()
 		for pkg in mypkgs:
 			# Get all package specific variables
 			auxvalues = vardb.aux_get(pkg, auxkeys)
@@ -5046,16 +5051,6 @@ def action_info(settings, trees, myopts, myfiles):
 			# If a difference was found, print the info for
 			# this package.
 			if diff_values:
-
-				# If we have not yet printed the header, 
-				# print it now
-				if not header_printed:
-					header_title = "Package Settings"
-					print header_width * "="
-					print header_title.rjust(int(header_width/2 + len(header_title)/2))
-					print header_width * "="
-					header_printed = True
-
 				# Print package info
 				print "%s was built with the following:" % pkg
 				for myvar in mydesiredvars + ["USE"]:
@@ -5064,6 +5059,15 @@ def action_info(settings, trees, myopts, myfiles):
 						mylist.sort()
 						print "%s=\"%s\"" % (myvar, " ".join(mylist))
 				print
+			print ">>> Attempting to run pkg_info() for '%s'" % pkg
+			ebuildpath = vardb.findname(pkg)
+			if not ebuildpath or not os.path.exists(ebuildpath):
+				out.ewarn("No ebuild found for '%s'" % pkg)
+				continue
+			portage.doebuild(ebuildpath, "info", pkgsettings["ROOT"],
+				pkgsettings, debug=(settings.get("PORTAGE_DEBUG", "") == 1),
+				mydbapi=trees[settings["ROOT"]]["vartree"].dbapi,
+				tree="vartree")
 
 def action_search(settings, portdb, vartree, myopts, myfiles, spinner):
 	if not myfiles:
diff --git a/pym/portage.py b/pym/portage.py
index ec36ede34..cefbd0c8b 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -3506,7 +3506,7 @@ def doebuild(myebuild, mydo, myroot, mysettings, debug=0, listonly=0,
 	features = mysettings.features
 
 	validcommands = ["help","clean","prerm","postrm","cleanrm","preinst","postinst",
-	                "config","setup","depend","fetch","digest",
+	                "config","info","setup","depend","fetch","digest",
 	                "unpack","compile","test","install","rpm","qmerge","merge",
 	                "package","unmerge", "manifest"]
 
@@ -3731,7 +3731,7 @@ def doebuild(myebuild, mydo, myroot, mysettings, debug=0, listonly=0,
 					writemsg("!!! post postinst failed; exiting.\n",
 						noiselevel=-1)
 			return phase_retval
-		elif mydo in ["prerm","postrm","config"]:
+		elif mydo in ("prerm", "postrm", "config", "info"):
 			mysettings.load_infodir(mysettings["O"])
 			return spawn(EBUILD_SH_BINARY + " " + mydo,
 				mysettings, debug=debug, free=1, logfile=logfile)
-- 
2.26.2