contrib/bash_completion.d: squelch FreeBSD seq when first < last

derekschrock · web-flow · commit 4de260efe337 · 2024-06-06T17:37:26.000-07:00
With seq x -1 z and x is less than z FreeBSD seq will print the error: $ seq 1 -1 2 seq: needs positive increment Hide this error. Alternatively $COMP_CWORD could be checked for < 2. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Derek Schrock <dereks@lifeofadishwasher.com> Closes #16234
diff --git a/contrib/bash_completion.d/zfs.in b/contrib/bash_completion.d/zfs.in
@@ -155,7 +155,7 @@ __zfs_list_volumes()
 __zfs_argument_chosen()
 {
     local word property
-    for word in $(seq $((COMP_CWORD-1)) -1 2)
+    for word in $(seq $((COMP_CWORD-1)) -1 2 2>/dev/null)
     do
         local prev="${COMP_WORDS[$word]}"
         if [[ ${COMP_WORDS[$word-1]} != -[tos] ]]

Original file line number	Diff line number	Diff line change
`@@ -155,7 +155,7 @@ __zfs_list_volumes()`
`155`	`155`	`__zfs_argument_chosen()`
`156`	`156`	`{`
`157`	`157`	`local word property`
`158`		`- for word in $(seq $((COMP_CWORD-1)) -1 2)`
	`158`	`+ for word in $(seq $((COMP_CWORD-1)) -1 2 2>/dev/null)`
`159`	`159`	`do`
`160`	`160`	`local prev="${COMP_WORDS[$word]}"`
`161`	`161`	`if [[ ${COMP_WORDS[$word-1]} != -[tos] ]]`