From ab1cf46448eaa4ae6cce3edcf013da73bd41c1ea Mon Sep 17 00:00:00 2001 From: Chris Larson Date: Sun, 21 Nov 2010 10:39:24 -0700 Subject: [PATCH] utils.bbclass: add dirs/pushd/popd These can be useful, and even necessary in some tasks, yet are bash, so let's ensure they're available so we can avoid the /bin/sh is bash requirement in the future. Signed-off-by: Chris Larson --- classes/utils.bbclass | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/classes/utils.bbclass b/classes/utils.bbclass index 4cc68963ef..2fa6204bfa 100644 --- a/classes/utils.bbclass +++ b/classes/utils.bbclass @@ -434,3 +434,23 @@ def base_set_filespath(path, d): for o in overrides.split(":"): filespath.append(os.path.join(p, o)) return ":".join(filespath) + +# These directory stack functions are based upon the versions in the Korn +# Shell documentation - http://docstore.mik.ua/orelly/unix3/korn/ch04_07.htm. +dirs() { + echo "$_DIRSTACK" +} + +pushd() { + dirname=$1 + cd ${dirname:?"missing directory name."} || return 1 + _DIRSTACK="$PWD $_DIRSTACK" + echo "$_DIRSTACK" +} + +popd() { + _DIRSTACK=${_DIRSTACK#* } + top=${_DIRSTACK%% *} + cd $top || return 1 + echo "$PWD" +} -- 2.39.5