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Fix read panic when an empty argument is given.

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Fixes #923
This commit is contained in:
Jeff Mitchell
2016-01-12 08:46:49 -05:00
parent 8a086a17d7
commit 0478a4f7c2
1 changed files with 2 additions and 2 deletions
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4
command/read.go
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@@ -24,7 +24,7 @@ func (c *ReadCommand) Run(args []string) int {
} }
args = flags.Args() args = flags.Args()
if len(args) != 1 { if len(args) != 1 || len(args[0]) == 0 {
c.Ui.Error("read expects one argument") c.Ui.Error("read expects one argument")
flags.Usage() flags.Usage()
return 1 return 1
@@ -103,7 +103,7 @@ Read Options:
delimited table. This can also be json or yaml. delimited table. This can also be json or yaml.
-field=field If included, the raw value of the specified field -field=field If included, the raw value of the specified field
will be output raw to stdout. will be output raw to stdout.
` `
return strings.TrimSpace(helpText) return strings.TrimSpace(helpText)