workspacetmpl.go

// Copyright (C) 2017, 2018 Damon Revoe. All rights reserved.
// Use of this source code is governed by the MIT
// license, which can be found in the LICENSE file.

package main

var filenameForSelectedPackages = "selected"

var conftabFilename = "conftab"

var workspaceTemplate = []embeddedTemplateFile{
	{privateDirName + "/" + filenameForSelectedPackages, 0644,
		[]byte(`{{range .selection}}{{.PackageName}}
{{end}}`)},
	{privateDirName + "/" + conftabFilename, 0644,
		[]byte(`{{.conftab.GlobalSection.Definition -}}
{{range .conftab.PackageSections}}[{{.PkgName}}]
{{.Definition -}}{{end}}`)},
	{"{makefile}", 0644,
		[]byte(`.PHONY: default all

default: {{.default_target}}

all: build

{{range .targets}}{{if .Phony}}.PHONY: {{.Target}}

{{end}}{{.Target}}:{{range .Dependencies}} \
	{{.}}{{end}}
{{.MakeScript}}
{{end}}`)},
}

func generateWorkspaceFiles(ws *workspace, pi *packageIndex,
	selection packageDefinitionList, conftab *Conftab) error {

	makefile := ws.wp.Makefile
	if flags.makefile != "" {
		makefile = flags.makefile
	} else if makefile == "" {
		makefile = "Makefile"
	}

	defaultTarget := ws.wp.DefaultMakeTarget
	if flags.defaultMakeTarget != "" {
		defaultTarget = flags.defaultMakeTarget
	} else if defaultTarget == "" {
		defaultTarget = "help"
	}

	params := templateParams{
		"makefile":       makefile,
		"default_target": defaultTarget,
		"selection":      selection,
		"conftab":        conftab,
		"targets":        createMakefileTargets(ws, selection, pi),
	}

	for _, templateFile := range workspaceTemplate {
		fileParams := expandPathnameTemplate(templateFile.pathname,
			params)

		outputFiles, err := parseAndExecuteTemplate(
			templateFile.pathname, templateFile.contents,
			nil, nil, fileParams)
		if err != nil {
			return err
		}
		_, err = writeGeneratedFiles(ws.absDir, outputFiles,
			templateFile.mode)
		if err != nil {
			return err
		}
	}
	return nil
}