dracut/SOURCES/0028.patch

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2021-01-15 08:08:33 +00:00
From e3b2b02c7f5b4e9f1d2a3cfe8749534959e29e3e Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Fri, 21 Jun 2019 18:39:48 +0200
Subject: [PATCH] fs-lib: drop a bashism
Bash 5 apparently longer propagates variable assignments to local variables
in front of function calls when in POSIX mode:
[lkundrak@demiurge ~]$ cat feh.sh
print_VAR () {
echo "$VAR";
}
testfunc () {
local VAR="OLD"
VAR=NEW print_VAR
}
testfunc
[lkundrak@demiurge ~]$ bash4 --posix feh.sh
NEW
[lkundrak@demiurge ~]$ bash5 --posix feh.sh
OLD
[lkundrak@demiurge ~]$ bash5 feh.sh
NEW
[lkundrak@demiurge ~]$
It works the way it did in Bash 4 in non-POSIX mode, for external programs,
or for non-local variables. Don't ask me why -- it's probably some
compatibility thing for some sad old people.
However, this precisely happens when fsck_single() is calling into the
fsck_drv_com(), assigned to _drv by fsck_able(). That ruins the
TEST-70-BONDBRIDGETEAMVLAN test's server and probably more.
Let's pass the fsck driver binary via the function argument instead. It's
less messy anyway.
(cherry picked from commit 43c8c4ce0471abbb8c0fc4b8be2515cebc636030)
---
modules.d/99fs-lib/fs-lib.sh | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/modules.d/99fs-lib/fs-lib.sh b/modules.d/99fs-lib/fs-lib.sh
index d39ca1b7..11e795d9 100755
--- a/modules.d/99fs-lib/fs-lib.sh
+++ b/modules.d/99fs-lib/fs-lib.sh
@@ -44,22 +44,22 @@ fsck_able() {
;;
ext?)
type e2fsck >/dev/null 2>&1 &&
- _drv="_drv=e2fsck fsck_drv_com" &&
+ _drv="fsck_drv_com e2fsck" &&
return 0
;;
f2fs)
type fsck.f2fs >/dev/null 2>&1 &&
- _drv="_drv=fsck.f2fs fsck_drv_com" &&
+ _drv="fsck_drv_com fsck.f2fs" &&
return 0
;;
jfs)
type jfs_fsck >/dev/null 2>&1 &&
- _drv="_drv=jfs_fsck fsck_drv_com" &&
+ _drv="fsck_drv_com jfs_fsck" &&
return 0
;;
reiserfs)
type reiserfsck >/dev/null 2>&1 &&
- _drv="_drv=reiserfsck fsck_drv_com" &&
+ _drv="fsck_drv_com reiserfsck" &&
return 0
;;
btrfs)
@@ -70,12 +70,12 @@ fsck_able() {
;;
nfs*)
# nfs can be a nop, returning success
- _drv="_drv=none :" &&
+ _drv=":" &&
return 0
;;
*)
type fsck >/dev/null 2>&1 &&
- _drv="_drv=fsck fsck_drv_std" &&
+ _drv="fsck_drv_std fsck" &&
return 0
;;
esac
@@ -97,6 +97,7 @@ fsck_drv_btrfs() {
# common code for checkers that follow usual subset of options and return codes
fsck_drv_com() {
+ local _drv="$1"
local _ret
local _out