"errors"
	"fmt"
	"io"
	"mime"
	"net"
	"net/http"
	urlpkg "net/url"
	"os"
	"strings"
	"time"

	"cmd/go/internal/auth"
	"cmd/go/internal/base"
	"cmd/go/internal/cfg"
	"cmd/internal/browser"
)

// impatientInsecureHTTPClient is used with GOINSECURE,
// when we're connecting to https servers that might not be there
// or might be using self-signed certificates.
var impatientInsecureHTTPClient = &http.Client{

	// accordingly. Client receives a HTTP error for invalid/unsupported
	// signatures.
	//
	// Validates all incoming requests to have a valid date header.
	setAuthMiddleware,
	// Redirect some pre-defined browser request paths to a static location
	// prefix.
	setBrowserRedirectMiddleware,
	// Adds 'crossdomain.xml' policy middleware to serve legacy flash clients.
	setCrossDomainPolicyMiddleware,

// interactive terminal (as opposed to being redirected to a file).
func (r *readlineUI) IsTerminal() bool {
	const stdout = 1
	return term.IsTerminal(stdout)
}

// WantBrowser indicates whether browser should be opened with the -http option.
func (r *readlineUI) WantBrowser() bool {
	return r.IsTerminal()
}

// SetAutoComplete instructs the UI to call complete(cmd) to obtain

	"cmd/go/internal/web"
	"cmd/go/internal/work"
)

var CmdBug = &base.Command{
	Run:       runBug,
	UsageLine: "go bug",
	Short:     "start a bug report",
	Long: `
Bug opens the default browser and starts a new bug report.
The report includes useful system information.
	`,
}

func init() {
	CmdBug.Flag.BoolVar(&cfg.BuildV, "v", false, "")
	base.AddChdirFlag(&CmdBug.Flag)
}

	//     escapes. For example, a malformed declaration may be missing a
	//     property, colon (:) or value.
	// So we need to make sure that values do not have mismatched bracket
	// or quote characters to prevent the browser from restarting parsing
	// inside a string that might embed JavaScript source.
	for i, c := range b {
		switch c {
		case 0, '"', '\'', '(', ')', '/', ';', '@', '[', '\\', ']', '`', '{', '}', '<', '>':

func Get(security SecurityMode, u *url.URL) (*Response, error) {
	return get(security, u)
}

// OpenBrowser attempts to open the requested URL in a web browser.
func OpenBrowser(url string) (opened bool) {
	return openBrowser(url)
}

// Join returns the result of adding the slash-separated
// path elements to the end of u's path.

parameter is not, and seeks to preserve the properties below in the face
of untrusted data:

Structure Preservation Property:
"... when a template author writes an HTML tag in a safe templating language,
the browser will interpret the corresponding portion of the output as a tag
regardless of the values of untrusted data, and similarly for other structures
such as attribute boundaries and JS and CSS string boundaries."

		}
		buf.WriteByte('\n')
	}
	return buf.String()
}

// Dot returns the control-flow graph in the [Dot graph description language].
// Use a command such as 'dot -Tsvg' to render it in a form viewable in a browser.
// This method is provided as a debugging aid; the details of the
// output are unspecified and may change.
//
// [Dot graph description language]: ​​https://en.wikipedia.org/wiki/DOT_(graph_description_language)

	PrintErr(...interface{})

	// IsTerminal returns whether the UI is known to be tied to an
	// interactive terminal (as opposed to being redirected to a file).
	IsTerminal() bool

	// WantBrowser indicates whether a browser should be opened with the -http option.
	WantBrowser() bool

	// SetAutoComplete instructs the UI to call complete(cmd) to obtain
	// the auto-completion of cmd, if the UI supports auto-completion at all.

	PrintErr(...interface{})

	// IsTerminal returns whether the UI is known to be tied to an
	// interactive terminal (as opposed to being redirected to a file).
	IsTerminal() bool

	// WantBrowser indicates whether browser should be opened with the -http option.
	WantBrowser() bool

	// SetAutoComplete instructs the UI to call complete(cmd) to obtain
	// the auto-completion of cmd, if the UI supports auto-completion at all.