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bff635bc5f
So, `dep` got an nice new feature to remove tests and non-go files from `vendor/`, and this brings the size of the vendor directory from ~300MiB down to ~20MiB. We don that now.
46 lines
1.8 KiB
Markdown
46 lines
1.8 KiB
Markdown
[](http://godoc.org/github.com/pkg/xattr)
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[](https://goreportcard.com/report/github.com/pkg/xattr)
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[](https://travis-ci.org/pkg/xattr)
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[](https://github.com/pkg/xattr/releases)
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xattr
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=====
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Extended attribute support for Go (linux + darwin + freebsd).
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"Extended attributes are name:value pairs associated permanently with files and directories, similar to the environment strings associated with a process. An attribute may be defined or undefined. If it is defined, its value may be empty or non-empty." [See more...](https://en.wikipedia.org/wiki/Extended_file_attributes)
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`SetWithFlags` allows to additionally pass system flags to be forwarded to the underlying calls, FreeBSD does not support this and the parameter will be ignored.
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The `L` variants of all functions (`LGet/LSet/...`) are identical to `Get/Set/...` except that they
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do not reference a symlink that appears at the end of a path. See
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[GoDoc](http://godoc.org/github.com/pkg/xattr) for details.
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### Example
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```go
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const path = "/tmp/myfile"
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const prefix = "user."
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if err := xattr.Set(path, prefix+"test", []byte("test-attr-value")); err != nil {
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log.Fatal(err)
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}
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var list []string
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if list, err = xattr.List(path); err != nil {
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log.Fatal(err)
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}
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var data []byte
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if data, err = xattr.Get(path, prefix+"test"); err != nil {
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log.Fatal(err)
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}
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if err = xattr.Remove(path, prefix+"test"); err != nil {
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log.Fatal(err)
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}
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// One can also specify the flags parameter to be passed to the OS.
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if err := xattr.SetWithFlags(path, prefix+"test", []byte("test-attr-value"), xattr.XATTR_CREATE); err != nil {
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log.Fatal(err)
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}
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```
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