git: 6e822e99570f - main - rc: fix parse of $local_startup

[Cy Schubert]

The branch main has been updated by cy:

URL: https://cgit.FreeBSD.org/src/commit/?id=6e822e99570fdf4c564be04840a054bccc070222

commit 6e822e99570fdf4c564be04840a054bccc070222
Author:     Cy Schubert <cy at FreeBSD.org>
AuthorDate: 2021-02-24 05:12:49 +0000
Commit:     Cy Schubert <cy at FreeBSD.org>
CommitDate: 2021-02-24 05:12:49 +0000

    rc: fix parse of $local_startup
    
    77e1ccbee3ed6c837929e4e232fd07f95bfc8294 introduced parallel execution
    of rc. It separated groups with line feeds (\n) and elements within
    groups using spaces. This is a natural separation due to rcorder
    using spaces and lines to separate elements within groups with groups
    of services separated by line feeds.
    
    77e1ccbee3ed6c837929e4e232fd07f95bfc8294 parses the output from rcorder
    by setting $IFS. However it failed to reset $IFS to default ' \t\n'
    prior to calling find_local_scripts_new(), causing find_local_scripts_new()
    to fail parsing $local_startup for site-specific local rc scripts, i.e.
    ${LOCALBASE}/etc/rc.d. This caused daemons from ports and packages such
    as postfix, dovecot, nut, and others in ${LOCALBASE} not to be started.
    
    PR:             249192
    MFC after:      3 week
    X-MFC with:     77e1ccbee3ed6c837929e4e232fd07f95bfc8294
---
 libexec/rc/rc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libexec/rc/rc b/libexec/rc/rc
index 722d7fe35884..b5bc188fc7c0 100644
--- a/libexec/rc/rc
+++ b/libexec/rc/rc
@@ -119,6 +119,7 @@ for _rc_group in ${files}; do
 done
 
 unset files local_rc
+unset IFS
 
 # Now that disks are mounted, for each dir in $local_startup
 # search for init scripts that use the new rc.d semantics.