From 25a5296f29bc7153fa29e2dfe8de9d08d40d9944 Mon Sep 17 00:00:00 2001
From: Brian Harring <ferringb@gmail.com>
Date: Thu, 13 Sep 2012 21:40:41 -0700
Subject: [PATCH] drop dead functions

Specifically, esyslog, {un,}set_unless_changed, and remove_path_entry.
---
 bin/bashrc-functions.sh   | 55 ---------------------------------------
 bin/ebuild.sh             | 10 ++-----
 bin/isolated-functions.sh | 18 -------------
 bin/save-ebuild-env.sh    |  6 ++---
 4 files changed, 5 insertions(+), 84 deletions(-)

diff --git a/bin/bashrc-functions.sh b/bin/bashrc-functions.sh
index 4da558581..9fdf999fe 100644
--- a/bin/bashrc-functions.sh
+++ b/bin/bashrc-functions.sh
@@ -33,61 +33,6 @@ strip_duplicate_slashes() {
 	fi
 }
 
-# this is a function for removing any directory matching a passed in pattern from
-# PATH
-remove_path_entry() {
-	save_IFS
-	IFS=":"
-	stripped_path="${PATH}"
-	while [ -n "$1" ]; do
-		cur_path=""
-		for p in ${stripped_path}; do
-			if [ "${p/${1}}" == "${p}" ]; then
-				cur_path="${cur_path}:${p}"
-			fi
-		done
-		stripped_path="${cur_path#:*}"
-		shift
-	done
-	restore_IFS
-	PATH="${stripped_path}"
-}
-
-# Set given variables unless these variable have been already set (e.g. during emerge
-# invocation) to values different than values set in make.conf.
-set_unless_changed() {
-	if [[ $# -lt 1 ]]; then
-		die "${FUNCNAME}() requires at least 1 argument: VARIABLE=VALUE"
-	fi
-
-	local argument value variable
-	for argument in "$@"; do
-		if [[ ${argument} != *=* ]]; then
-			die "${FUNCNAME}(): Argument '${argument}' has incorrect syntax"
-		fi
-		variable="${argument%%=*}"
-		value="${argument#*=}"
-		if eval "[[ \${${variable}} == \$(env -u ${variable} portageq envvar ${variable}) ]]"; then
-			eval "${variable}=\"\${value}\""
-		fi
-	done
-}
-
-# Unset given variables unless these variable have been set (e.g. during emerge
-# invocation) to values different than values set in make.conf.
-unset_unless_changed() {
-	if [[ $# -lt 1 ]]; then
-		die "${FUNCNAME}() requires at least 1 argument: VARIABLE"
-	fi
-
-	local variable
-	for variable in "$@"; do
-		if eval "[[ \${${variable}} == \$(env -u ${variable} portageq envvar ${variable}) ]]"; then
-			unset ${variable}
-		fi
-	done
-}
-
 KV_major() {
 	[[ -z $1 ]] && return 1
 
diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 51e90d7cc..5178a3753 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -23,8 +23,8 @@ else
 	for x in diropts docompress exeopts get_KV insopts \
 		keepdir KV_major KV_micro KV_minor KV_to_int \
 		libopts register_die_hook register_success_hook \
-		remove_path_entry set_unless_changed strip_duplicate_slashes \
-		unset_unless_changed use_with use_enable ; do
+		strip_duplicate_slashes \
+		use_with use_enable ; do
 		eval "${x}() {
 			if has \"\${EAPI:-0}\" 4-python; then
 				die \"\${FUNCNAME}() calls are not allowed in global scope\"
@@ -136,12 +136,6 @@ fi
 # the sandbox is disabled by default except when overridden in the relevant stages
 export SANDBOX_ON=0
 
-esyslog() {
-	# Custom version of esyslog() to take care of the "Red Star" bug.
-	# MUST follow functions.sh to override the "" parameter problem.
-	return 0
-}
-
 # Ensure that $PWD is sane whenever possible, to protect against
 # exploitation of insecure search path for python -c in ebuilds.
 # See bug #239560.
diff --git a/bin/isolated-functions.sh b/bin/isolated-functions.sh
index 37e5f2de0..154506e67 100644
--- a/bin/isolated-functions.sh
+++ b/bin/isolated-functions.sh
@@ -294,24 +294,6 @@ elog() {
 	return 0
 }
 
-esyslog() {
-	local pri=
-	local tag=
-
-	if [ -x /usr/bin/logger ]
-	then
-		pri="$1"
-		tag="$2"
-
-		shift 2
-		[ -z "$*" ] && return 0
-
-		/usr/bin/logger -p "${pri}" -t "${tag}" -- "$*"
-	fi
-
-	return 0
-}
-
 einfo() {
 	elog_base INFO "$*"
 	[[ ${RC_ENDCOL} != "yes" && ${LAST_E_CMD} == "ebegin" ]] && echo
diff --git a/bin/save-ebuild-env.sh b/bin/save-ebuild-env.sh
index 37438a5d9..6b38e5d9a 100644
--- a/bin/save-ebuild-env.sh
+++ b/bin/save-ebuild-env.sh
@@ -49,7 +49,7 @@ save_ebuild_env() {
 	unset -f assert assert_sigpipe_ok \
 		dump_trace die \
 		quiet_mode vecho elog_base eqawarn elog \
-		esyslog einfo einfon ewarn eerror ebegin _eend eend KV_major \
+		einfo einfon ewarn eerror ebegin _eend eend KV_major \
 		KV_minor KV_micro KV_to_int get_KV unset_colors set_colors has \
 		has_phase_defined_up_to \
 		hasv hasq qa_source qa_call \
@@ -64,9 +64,9 @@ save_ebuild_env() {
 		dyn_compile dyn_test dyn_install \
 		dyn_preinst dyn_pretend dyn_help debug-print debug-print-function \
 		debug-print-section helpers_die inherit EXPORT_FUNCTIONS \
-		nonfatal register_success_hook remove_path_entry \
+		nonfatal register_success_hook \
 		save_ebuild_env filter_readonly_variables preprocess_ebuild_env \
-		set_unless_changed unset_unless_changed source_all_bashrcs \
+		source_all_bashrcs \
 		ebuild_main ebuild_phase ebuild_phase_with_hooks \
 		_ebuild_arg_to_phase _ebuild_phase_funcs default \
 		_hasg _hasgq _unpack_tar \
-- 
2.26.2