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oe-buildenv-internal: show usage output 

Show usage text if script is not sourced.
Tested in bash, zsh and dash.

[YOCTO #10751]

(From OE-Core rev: ac7a905b18acb8bd9b2412b6682afbe1d7e18d7b)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ed Bartosh 2016-12-09 19:26:48 +02:00 committed by Richard Purdie
parent 651713adb4
commit a5438f8f74
1 changed files with 12 additions and 0 deletions
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12
scripts/oe-buildenv-internal
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@ -18,6 +18,18 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
if ! $(return >/dev/null 2>&1) ; then
echo 'oe-buildenv-internal: error: this script must be sourced'
echo ''
echo 'Usage: . $OEROOT/scripts/oe-buildenv-internal &&'
echo ''
echo 'OpenEmbedded oe-buildenv-internal - an internal script that is'
echo 'used in oe-init-build-env and oe-init-build-env-memres to'
echo 'initialize oe build environment'
echo ''
exit 2
fi
# It is assumed OEROOT is already defined when this is called
if [ -z "$OEROOT" ]; then
echo >&2 "Error: OEROOT is not defined!"