Eliminate bin/ebuild-helpers/4 directory.

Instead, just use conditionals where appropriate inside
bin/ebuild-helpers/* scripts.

13 files changed, 53 insertions, 25 deletions

diff --git a/bin/banned-helper b/bin/banned-helper
deleted file mode 100755
index 17ea9915d..000000000
--- a/bin/banned-helper
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash
-# Copyright 2009 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-die "'${0##*/}' has been banned for EAPI '$EAPI'"
-exit 1
diff --git a/bin/ebuild-helpers/4/dodoc b/bin/ebuild-helpers/4/dodoc
deleted file mode 120000
index 35080ada3..000000000
--- a/bin/ebuild-helpers/4/dodoc
+++ /dev/null
@@ -1 +0,0 @@
-../doins
\ No newline at end of file
diff --git a/bin/ebuild-helpers/4/dohard b/bin/ebuild-helpers/4/dohard
deleted file mode 120000
index 1a6b57a39..000000000
--- a/bin/ebuild-helpers/4/dohard
+++ /dev/null
@@ -1 +0,0 @@
-../../banned-helper
\ No newline at end of file
diff --git a/bin/ebuild-helpers/4/dosed b/bin/ebuild-helpers/4/dosed
deleted file mode 120000
index 1a6b57a39..000000000
--- a/bin/ebuild-helpers/4/dosed
+++ /dev/null
@@ -1 +0,0 @@
-../../banned-helper
\ No newline at end of file
diff --git a/bin/ebuild-helpers/4/prepalldocs b/bin/ebuild-helpers/4/prepalldocs
deleted file mode 120000
index 1a6b57a39..000000000
--- a/bin/ebuild-helpers/4/prepalldocs
+++ /dev/null
@@ -1 +0,0 @@
-../../banned-helper
\ No newline at end of file
diff --git a/bin/ebuild-helpers/dodoc b/bin/ebuild-helpers/dodoc
index 1f333a615..d6ce67933 100755
--- a/bin/ebuild-helpers/dodoc
+++ b/bin/ebuild-helpers/dodoc
@@ -1,7 +1,18 @@
 #!/bin/bash
-# Copyright 1999-2011 Gentoo Foundation
+# Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+case "${EAPI}" in
+	0|1|2|3)
+		;;
+	*)
+		exec \
+		env \
+		__PORTAGE_HELPER="dodoc" \
+		doins "$@"
+		;;
+esac
+
 source "${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}"/isolated-functions.sh
 
 if [ $# -lt 1 ] ; then
diff --git a/bin/ebuild-helpers/dohard b/bin/ebuild-helpers/dohard
index b52fd7c00..6ae93d240 100755
--- a/bin/ebuild-helpers/dohard
+++ b/bin/ebuild-helpers/dohard
@@ -1,7 +1,16 @@
 #!/bin/bash
-# Copyright 1999-2011 Gentoo Foundation
+# Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+case "${EAPI}" in
+	0|1|2|3)
+		;;
+	*)
+		die "'${0##*/}' has been banned for EAPI '$EAPI'"
+		exit 1
+		;;
+esac
+
 if [[ $# -ne 2 ]] ; then
 	echo "$0: two arguments needed" 1>&2
 	exit 1
diff --git a/bin/ebuild-helpers/doins b/bin/ebuild-helpers/doins
index fd7793404..26b11a869 100755
--- a/bin/ebuild-helpers/doins
+++ b/bin/ebuild-helpers/doins
@@ -4,7 +4,9 @@
 
 source "${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}"/isolated-functions.sh
 
-if [[ ${0##*/} == dodoc ]] ; then
+helper=${__PORTAGE_HELPER:-${0##*/}}
+
+if [[ ${helper} == dodoc ]] ; then
 	if [ $# -eq 0 ] ; then
 		# default_src_install may call dodoc with no arguments
 		# when DOC is defined but empty, so simply return
@@ -16,7 +18,7 @@ if [[ ${0##*/} == dodoc ]] ; then
 fi
 
 if [ $# -lt 1 ] ; then
-	helpers_die "${0##*/}: at least one argument needed"
+	helpers_die "${helper}: at least one argument needed"
 	exit 1
 fi
 
@@ -35,7 +37,7 @@ if [[ ${INSDESTTREE#${ED}} != "${INSDESTTREE}" ]]; then
 	vecho "You should not use \${D} or \${ED} with helpers." 1>&2
 	vecho "  --> ${INSDESTTREE}" 1>&2
 	vecho "-------------------------------------------------------" 1>&2
-	helpers_die "${0##*/} used with \${D} or \${ED}"
+	helpers_die "${helper} used with \${D} or \${ED}"
 	exit 1
 fi
 
@@ -79,7 +81,7 @@ _doins() {
 	install ${INSOPTIONS} "${mysrc}" "${ED}${INSDESTTREE}/${mydir}"
 	rval=$?
 	[[ -n ${cleanup} ]] && rm -f "${cleanup}"
-	[ $rval -ne 0 ] && echo "!!! ${0##*/}: $mysrc does not exist" 1>&2
+	[ $rval -ne 0 ] && echo "!!! ${helper}: $mysrc does not exist" 1>&2
 	return $rval
 }
 
@@ -99,8 +101,8 @@ for x in "$@" ; do
 	if [[ $PRESERVE_SYMLINKS = n && -d $x ]] || \
 		[[ $PRESERVE_SYMLINKS = y && -d $x && ! -L $x ]] ; then
 		if [ "${DOINSRECUR}" == "n" ] ; then
-			if [[ ${0##*/} == dodoc ]] ; then
-				echo "!!! ${0##*/}: $x is a directory" 1>&2
+			if [[ ${helper} == dodoc ]] ; then
+				echo "!!! ${helper}: $x is a directory" 1>&2
 				((failed|=1))
 			fi
 			continue
@@ -155,4 +157,4 @@ for x in "$@" ; do
 	fi
 done
 rm -rf "$TMP"
-[[ $failed -ne 0 || $success -eq 0 ]] && { helpers_die "${0##*/} failed"; exit 1; } || exit 0
+[[ $failed -ne 0 || $success -eq 0 ]] && { helpers_die "${helper} failed"; exit 1; } || exit 0
diff --git a/bin/ebuild-helpers/dosed b/bin/ebuild-helpers/dosed
index f202df7a7..24ec20587 100755
--- a/bin/ebuild-helpers/dosed
+++ b/bin/ebuild-helpers/dosed
@@ -1,7 +1,16 @@
 #!/bin/bash
-# Copyright 1999-2011 Gentoo Foundation
+# Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+case "${EAPI}" in
+	0|1|2|3)
+		;;
+	*)
+		die "'${0##*/}' has been banned for EAPI '$EAPI'"
+		exit 1
+		;;
+esac
+
 if [[ $# -lt 1 ]] ; then
 	echo "!!! ${0##*/}: at least one argument needed" >&2
 	exit 1
diff --git a/bin/ebuild-helpers/prepalldocs b/bin/ebuild-helpers/prepalldocs
index 560a02bcb..c9226d603 100755
--- a/bin/ebuild-helpers/prepalldocs
+++ b/bin/ebuild-helpers/prepalldocs
@@ -1,9 +1,18 @@
 #!/bin/bash
-# Copyright 1999-2011 Gentoo Foundation
+# Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 source "${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}"/isolated-functions.sh
 
+case "${EAPI}" in
+	0|1|2|3)
+		;;
+	*)
+		die "'${0##*/}' has been banned for EAPI '$EAPI'"
+		exit 1
+		;;
+esac
+
 if [[ -n $1 ]] ; then
 	vecho "${0##*/}: invalid usage; takes no arguments" 1>&2
 fi
diff --git a/bin/phase-functions.sh b/bin/phase-functions.sh
index 85d44a1fc..fd7fb25b9 100644
--- a/bin/phase-functions.sh
+++ b/bin/phase-functions.sh
@@ -29,7 +29,7 @@ PORTAGE_READONLY_VARS="D EBUILD EBUILD_PHASE EBUILD_PHASE_FUNC \
 	PORTAGE_TMPDIR PORTAGE_UPDATE_ENV PORTAGE_USERNAME \
 	PORTAGE_VERBOSE PORTAGE_WORKDIR_MODE PORTDIR PORTDIR_OVERLAY \
 	PROFILE_PATHS REPLACING_VERSIONS REPLACED_BY_VERSION T WORKDIR \
-	__PORTAGE_TEST_HARDLINK_LOCKS"
+	__PORTAGE_HELPER __PORTAGE_TEST_HARDLINK_LOCKS"
 
 PORTAGE_SAVED_READONLY_VARS="A CATEGORY P PF PN PR PV PVR"
 
diff --git a/pym/portage/package/ebuild/_config/special_env_vars.py b/pym/portage/package/ebuild/_config/special_env_vars.py
index 4d425375f..1bcbbf7ef 100644
--- a/pym/portage/package/ebuild/_config/special_env_vars.py
+++ b/pym/portage/package/ebuild/_config/special_env_vars.py
@@ -170,6 +170,7 @@ environ_filter += [
 	"RESUMECOMMAND_HTTP", "RESUMECOMMAND_HTTPS",
 	"RESUMECOMMAND_RSYNC", "RESUMECOMMAND_SFTP",
 	"SYNC", "UNINSTALL_IGNORE", "USE_EXPAND_HIDDEN", "USE_ORDER",
+	"__PORTAGE_HELPER"
 ]
 
 environ_filter = frozenset(environ_filter)
diff --git a/pym/portage/package/ebuild/doebuild.py b/pym/portage/package/ebuild/doebuild.py
index 9b678f7fb..9ca684edf 100644
--- a/pym/portage/package/ebuild/doebuild.py
+++ b/pym/portage/package/ebuild/doebuild.py
@@ -155,9 +155,6 @@ def _doebuild_path(settings, eapi=None):
 
 	path = []
 
-	if eapi not in (None, "0", "1", "2", "3"):
-		path.append(os.path.join(portage_bin_path, "ebuild-helpers", "4"))
-
 	path.append(os.path.join(portage_bin_path, "ebuild-helpers"))
 	path.extend(prerootpath)