9f82b75e57
* removed packer.Cache and references since packer.Cache is never used except in the download step. The download step now uses the new func packer.CachePath(targetPath) for this, the behavior is the same. * removed download code from packer that was reimplemented into the go-getter library: progress bar, http download restart, checksuming from file, skip already downloaded files, symlinking, make a download cancellable by context. * on windows if packer is running without symlinking rights and we are getting a local file, the file will be copied instead to avoid errors. * added unit tests for step_download that are now CI tested on windows, mac & linux. * files are now downloaded under cache dir `sha1(filename + "?checksum=" + checksum) + file_extension` * since the output dir is based on the source url and the checksum, when the checksum fails, the file is auto deleted. * a download file is protected and locked by a file lock, * updated docs * updated go modules and vendors
51 lines
1.1 KiB
Markdown
51 lines
1.1 KiB
Markdown
# go-isatty
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[](http://godoc.org/github.com/mattn/go-isatty)
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[](https://travis-ci.org/mattn/go-isatty)
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[](https://coveralls.io/github/mattn/go-isatty?branch=master)
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[](https://goreportcard.com/report/mattn/go-isatty)
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isatty for golang
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## Usage
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```go
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package main
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import (
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"fmt"
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"github.com/mattn/go-isatty"
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"os"
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)
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func main() {
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if isatty.IsTerminal(os.Stdout.Fd()) {
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fmt.Println("Is Terminal")
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} else if isatty.IsCygwinTerminal(os.Stdout.Fd()) {
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fmt.Println("Is Cygwin/MSYS2 Terminal")
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} else {
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fmt.Println("Is Not Terminal")
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}
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}
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```
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## Installation
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```
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$ go get github.com/mattn/go-isatty
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```
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## License
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MIT
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## Author
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Yasuhiro Matsumoto (a.k.a mattn)
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## Thanks
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* k-takata: base idea for IsCygwinTerminal
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https://github.com/k-takata/go-iscygpty
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