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sh/init.sh.Linux.in: skip /proc test if no md5sum

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This will also warn users if md5sum is missing, which serves as a pretty
good indicator that /usr is not mounted.
This commit is contained in:
Doug Freed 2016-12-17 19:59:45 +00:00
parent f27d60add9
commit 856eafb006
1 changed files with 14 additions and 1 deletions
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15
sh/init.sh.Linux.in
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@ -11,6 +11,16 @@ if [ -d "@SYSCONFDIR@/rc.conf.d" ]; then
done
fi
# check for md5sum, and probably /usr too
if command -v md5sum >/dev/null; then
got_md5sum=true
else
eerror "md5sum is missing, which suggests /usr is not mounted"
eerror "If you have separate /usr, it must be mounted by initramfs"
eerror "If not, you should check coreutils is installed correctly"
got_md5sum=false
fi
# By default VServer already has /proc mounted, but OpenVZ does not!
# However, some of our users have an old proc image in /proc
# NFC how they managed that, but the end result means we have to test if
@ -21,9 +31,12 @@ fi
mountproc=true
f=/proc/self/environ
if [ -e $f ]; then
if [ "$(VAR=a md5sum $f)" = "$(VAR=b md5sum $f)" ]; then
if $got_md5sum && [ "$(VAR=a md5sum $f)" = "$(VAR=b md5sum $f)" ]; then
eerror "You have cruft in /proc that should be deleted"
else
# If they don't have md5sum, this will fail in pretty ways if
# /proc isn't really mounted. Oh well, their system is busted
# anyway, and they get to keep the pieces.
einfo "/proc is already mounted"
mountproc=false
fi