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osbuilder: show usage if no options/arguments specified

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Now if no options/arguments specified, the shell scripts will return an error:

ERROR: Invalid rootfs directory: ''

This commit will show usage if no options/arguments specified.

Fixes: #3256

Signed-off-by: bin <bin@hyper.sh>
This commit is contained in:
bin
2021-12-13 16:10:55 +08:00
parent 978b13c9e8
commit 3f7cf7ae67
2 changed files with 4 additions and 1 deletions
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4
tools/osbuilder/rootfs-builder/rootfs.sh
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@@ -441,7 +441,7 @@ build_rootfs_distro()
fi
}
# Used to create a minimal directory tree where the agent can be instaleld.
# Used to create a minimal directory tree where the agent can be installed.
# This is used when a distro is not specified.
prepare_overlay()
{
@@ -624,6 +624,8 @@ EOT
parse_arguments()
{
[ "$#" -eq 0 ] && usage && return 0
while getopts a:hlo:r:t: opt
do
case $opt in