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Check absoloute free space rather than usage percentage

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10% on big (single filesystem) disks can still be plenty enough;
on the flip side, e.g. 10% of 3G /usr is often still too tight.

So instead of ">= 90% used", use "< 1G free" to bail out early.

Input OK sthen
This commit is contained in:
kn
2026-01-17 21:20:44 +00:00
parent 6903f04951
commit 4409e1965d
1 changed files with 3 additions and 4 deletions
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7
usr.sbin/sysupgrade/sysupgrade.sh
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@@ -1,6 +1,6 @@
#!/bin/ksh
#
# $OpenBSD: sysupgrade.sh,v 1.60 2025/11/12 11:22:48 deraadt Exp $
# $OpenBSD: sysupgrade.sh,v 1.61 2026/01/17 21:20:44 kn Exp $
#
# Copyright (c) 1997-2015 Todd Miller, Theo de Raadt, Ken Westerback
# Copyright (c) 2015 Robert Peichaer <rpe@openbsd.org>
@@ -118,9 +118,8 @@ $FORCE_VERSION && $SNAP &&
$FORCE && ! $SNAP &&
err "incompatible options: -f without -s"
USED_USR=$(df -P /usr | awk 'NR==2 {print substr($5, 1, length($5)-1)}')
if (( ${USED_USR} >= 90 )) && ! $FORCE; then
err "/usr appears too small. See sysupgrade(8) manpage about PRUNING."
if df -kP /usr | ! awk 'NR == 2 && $4 < 1*1024^2 { exit(1) }' && ! $FORCE; then
err "/usr appears too small. See sysupgrade(8) manpage about PRUNING."
fi
if $SNAP; then