systemd: import: expand $ZPOOL_IMPORT_OPTS correctly #12231
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Turns out $ZPOOL_IMPORT_OPTS expands in a shell-like fashion,
yielding 'import' '-aN' '-o' 'cachefile=none' for an unset variable,
and 'import' '-aN' '-o' 'cachefile=none' 'word1' 'word2' for a
white-spaced one, but ${ZPOOL_IMPORT_OPTS} expands like "${Z_I_O}"
would in a shell, yielding 'import' '-aN' '-o' 'cachefile=none' ''
(empty) and 'import' '-aN' '-o' 'cachefile=none' 'word1 word2' (spaced)
Fixes eec5ba1 "dracut: 90zfs: respect
zfs_force=1 on systemd systems"
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
behlendorf
approved these changes
Jun 13, 2021
jwk404
approved these changes
Jun 14, 2021
behlendorf
pushed a commit
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Jun 16, 2021
Turns out $ZPOOL_IMPORT_OPTS expands in a shell-like fashion,
yielding 'import' '-aN' '-o' 'cachefile=none' for an unset variable,
and 'import' '-aN' '-o' 'cachefile=none' 'word1' 'word2' for a
white-spaced one, but ${ZPOOL_IMPORT_OPTS} expands like "${Z_I_O}"
would in a shell, yielding 'import' '-aN' '-o' 'cachefile=none' ''
(empty) and 'import' '-aN' '-o' 'cachefile=none' 'word1 word2' (spaced)
Fixes eec5ba1 "dracut: 90zfs: respect
zfs_force=1 on systemd systems"
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes: #12231
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Motivation and Context
#12195 (comment)
Description
See commit message
How Has This Been Tested?
Ran a unit and a bad C program that dumped all arguments. I'd assumed these were equivalent so I tested on one because I just happened to type it that way and posted the other because it matched what was there already. Mistake!
Types of changes
Checklist:
Signed-off-by.