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// SPDX-FileCopyrightText: 2017 Stefan Majewsky <majewsky@gmx.net>
// SPDX-License-Identifier: GPL-3.0-only
package rtree
import (
"strings"
"github.com/majewsky/gofu/internal/cli"
)
// Exec executes the rtree applet and returns an exit code (0 for success, >0
// for error). The argument is os.Args minus the leading "rtree" or "gofu
// rtree". All side-effects (reading from stdin, writing to stdout/stderr,
// executing other programs) pass through cli.Interface and can be intercepted
// there for the purpose of testing.
func Exec(args []string) int {
if !Init() {
return 1
}
if len(args) == 0 {
return usage()
}
index, errs := ReadIndex()
if len(errs) > 0 {
for _, err := range errs {
cli.Interface.ShowError(err.Error())
}
return 1
}
var err error
switch args[0] {
case "get":
if len(args) != 2 {
return usage()
}
err = commandGet(index, args[1])
case "drop":
if len(args) != 2 {
return usage()
}
err = commandDrop(index, args[1])
case "index":
if len(args) != 1 {
return usage()
}
err = commandIndex(index)
case "repos":
if len(args) != 1 {
return usage()
}
commandRepos(index)
case "remotes":
if len(args) != 1 {
return usage()
}
commandRemotes(index)
case "import":
if len(args) != 2 {
return usage()
}
err = commandImport(index, args[1])
case "each":
if len(args) < 2 {
return usage()
}
return commandEach(index, args[1:])
default:
return usage()
}
if err == nil {
return 0
}
cli.Interface.ShowError(err.Error())
return 1
}
var usageStr = strings.TrimSpace(`
Usage:
rtree [get|drop] <url>
rtree [index|repos|remotes]
rtree import <path>
rtree each <command>
`)
func usage() int {
cli.Interface.ShowUsage(usageStr)
return 1
}
func commandGet(index *Index, url string) error {
repo, err := index.FindRepo(url, true)
if err != nil {
return err
}
cli.Interface.ShowResult(repo.AbsolutePath())
return nil
}
func commandDrop(index *Index, url string) error {
repo, err := index.FindRepo(url, false)
if err != nil {
return err
}
return index.DropRepo(repo)
}
func commandIndex(index *Index) error {
//rebuild index (may delete index entries or restore repos from index entries)
err := index.Rebuild()
if err != nil {
return err
}
//shorten all actually-installed remote URLs into their compact forms
for _, repo := range index.Repos {
err := repo.ReformatRemoteURLs()
if err != nil {
return err
}
}
return index.Write()
}
func commandRepos(index *Index) {
var items []string
for _, repo := range index.Repos {
items = append(items, repo.CheckoutPath)
}
cli.Interface.ShowResultsSorted(items)
}
func commandRemotes(index *Index) {
var items []string
for _, repo := range index.Repos {
for _, remote := range repo.Remotes {
items = append(items, remote.URL.CompactURL())
}
}
cli.Interface.ShowResultsSorted(items)
}
func commandEach(index *Index, cmdline []string) (exitCode int) {
exitCode = 0
for _, repo := range index.Repos {
err := repo.Exec(cmdline...)
if err != nil {
cli.Interface.ShowError(err.Error())
exitCode = 1
}
}
return
}
func commandImport(index *Index, dirPath string) error {
err := index.ImportRepo(dirPath)
if err != nil {
return err
}
return index.Write()
}
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