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bash_completion.d: always call zfs/zpool binaries directly 

/dev/zfs is 0:0 666 on most systems, so the [ -w /dev/zfs ] check always
succeeds, but if zfs isn't in $PATH (e.g. when completing from
"/sbin/zfs list" on a regular account) this can lead to error spew like

  nabijaczleweli@szarotka:~$ /sbin/zfs list bash: zfs: command not found
  @ bash: zfs: command not found

We only do read-only commands, and quite general ones at that,
so there's no need to elevate one way or another.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11828
This commit is contained in:
наб 2021-04-03 01:34:58 +02:00 committed by Brian Behlendorf
parent d539b77934
commit 35cce6ea63
3 changed files with 8 additions and 9 deletions
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1
contrib/bash_completion.d/.gitignore vendored Normal file
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@ -0,0 +1 @@
/zfs

5
contrib/bash_completion.d/Makefile.am
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@ -1,5 +1,8 @@
include $(top_srcdir)/config/Substfiles.am
bashcompletiondir = $(sysconfdir)/bash_completion.d bashcompletiondir = $(sysconfdir)/bash_completion.d
noinst_DATA = zfs noinst_DATA = zfs
EXTRA_DIST = $(noinst_DATA) EXTRA_DIST += $(noinst_DATA)
SUBSTFILES += $(noinst_DATA)

11
contrib/bash_completion.d/zfs → contrib/bash_completion.d/zfs.in
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@ -21,13 +21,8 @@
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE. # OTHER DEALINGS IN THE SOFTWARE.
if [[ -w /dev/zfs ]]; then __ZFS_CMD="@sbindir@/zfs"
__ZFS_CMD="zfs" __ZPOOL_CMD="@sbindir@/zpool"
__ZPOOL_CMD="zpool"
else
__ZFS_CMD="sudo zfs"
__ZPOOL_CMD="sudo zpool"
fi
# Disable bash's built-in hostname completion, as this makes it impossible to # Disable bash's built-in hostname completion, as this makes it impossible to
# provide completions containing an @-sign, which is necessary for completing # provide completions containing an @-sign, which is necessary for completing
@ -198,7 +193,7 @@ __zfs_complete_multiple_options()
COMPREPLY=($(compgen -W "$options" -- "${cur##*,}")) COMPREPLY=($(compgen -W "$options" -- "${cur##*,}"))
local existing_opts=$(expr "$cur" : '\(.*,\)') local existing_opts=$(expr "$cur" : '\(.*,\)')
if [[ $existing_opts ]] if [[ $existing_opts ]]
then then
COMPREPLY=( "${COMPREPLY[@]/#/${existing_opts}}" ) COMPREPLY=( "${COMPREPLY[@]/#/${existing_opts}}" )
fi fi