git: b9cf989234d3 - main - bsdinstall: Fail nicely in jail target

The branch main has been updated by fernape:

URL: https://cgit.FreeBSD.org/src/commit/?id=b9cf989234d37a0885ee6228bcb6fa8f20f72b2f

commit b9cf989234d37a0885ee6228bcb6fa8f20f72b2f
Author:     Fernando Apesteguía <fernape@FreeBSD.org>
AuthorDate: 2023-10-17 13:37:04 +0000
Commit:     Fernando Apesteguía <fernape@FreeBSD.org>
CommitDate: 2023-10-18 07:46:05 +0000

    bsdinstall: Fail nicely in jail target
    
    If the directory is empty we fail with a message regarding mkdir in which
    the empty directory can't be seen because it is not quoted.
    
    Show a nice message so the user knows what is going on.
    
    Reviewed by:            bapt@
    Differential Revision:  https://reviews.freebsd.org/D42252
---
 usr.sbin/bsdinstall/scripts/jail | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/bsdinstall/scripts/jail b/usr.sbin/bsdinstall/scripts/jail
index feb9d8b1c097..de6dee04b891 100755
--- a/usr.sbin/bsdinstall/scripts/jail
+++ b/usr.sbin/bsdinstall/scripts/jail
@@ -36,7 +36,6 @@ BSDCFG_SHARE="/usr/share/bsdconfig"
 : ${BSDDIALOG_OK=0}
 
 f_dprintf "Began Installation at %s" "$( date )"
-export BSDINSTALL_CHROOT=$1
 
 error() {
 	local msg
@@ -54,6 +53,11 @@ error() {
 	fi
 }
 
+if [ -z "$1" ]; then
+	error "Directory can not be empty\n\nUsage:\nbsdinstall jail directory"
+fi
+export BSDINSTALL_CHROOT=$1
+
 rm -rf $BSDINSTALL_TMPETC
 mkdir $BSDINSTALL_TMPETC
 mkdir -p $1 || error "mkdir failed for $1"