Function grabProfile

internal/driver/fetch.go:325–360

grabProfile fetches a profile. Returns the profile, sources for the profile mappings, a bool indicating if the profile was fetched remotely, and an error.

(s *source, source string, fetcher plugin.Fetcher, obj plugin.ObjTool, ui plugin.UI, tr http.RoundTripper)

// profile mappings, a bool indicating if the profile was fetched
// remotely, and an error.
func grabProfile(s *source, source string, fetcher plugin.Fetcher, obj plugin.ObjTool, ui plugin.UI, tr http.RoundTripper) (p *profile.Profile, msrc plugin.MappingSources, remote bool, err error) {
	var src string
	duration, timeout := time.Duration(s.Seconds)*time.Second, time.Duration(s.Timeout)*time.Second
	if fetcher != nil {
		p, src, err = fetcher.Fetch(source, duration, timeout)
		if err != nil {
			return
		}
	}
	if err != nil || p == nil {
		// Fetch the profile over HTTP or from a file.
		p, src, err = fetch(source, duration, timeout, ui, tr)
		if err != nil {
			return
		}
	}

	if err = p.CheckValid(); err != nil {
		return
	}

	// Update the binary locations from command line and paths.
	locateBinaries(p, s, obj, ui)

	// Collect the source URL for all mappings.
	if src != "" {
		msrc = collectMappingSources(p, src)
		remote = true
		if strings.HasPrefix(src, "http://"+testSourceAddress) {
			// Treat test inputs as local to avoid saving
			// testcase profiles during driver testing.
			remote = false
		}
	}
	return
}

// collectMappingSources saves the mapping sources of a profile.
func collectMappingSources(p *profile.Profile, source string) plugin.MappingSources {