forked from xiam/luminos
/
command-init.go
106 lines (91 loc) · 3.21 KB
/
command-init.go
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// Copyright (c) 2012-2014 José Carlos Nieto, https://menteslibres.net/xiam
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package main
import (
"flag"
"fmt"
"os"
"menteslibres.net/gosexy/cli"
)
// initCommand is the structure that provides instructions for the "luminos
// init" subcommand.
type initCommand struct {
}
// Execute creates a new luminos site scaffold in the given PATH.
func (c *initCommand) Execute() (err error) {
var stat os.FileInfo
// Default PATH if the current working directory.
dest := "."
// If a PATH was given, use it instead of the default PATH.
if flag.NArg() > 1 {
dest = flag.Arg(1)
}
// Verifying PATH.
if stat, _ = os.Stat(dest); stat == nil {
// Directory does not exists, try to create it.
// TODO: Use system's default mask.
if err = os.MkdirAll(dest, os.ModeDir|0755); err != nil {
return err
}
} else {
// Path exists, is it a directory?
if stat.IsDir() == false {
// Nope, the we can't use it.
return fmt.Errorf("Cannot create directory, file %s already exists!", dest)
}
}
// If the PATH was already initialized, then it must contain a LOCKFILE.
lockFile := dest + pathSeparator + ".luminos"
if stat, _ = os.Stat(lockFile); stat != nil {
// If the LOCKFILE exists we cannot continue.
if dest == "." {
// Use "the current directory" to avoid confusing non-technical users
// with a dot instead of a full PATH.
return fmt.Errorf("A Luminos project already exists at the current directory.")
}
return fmt.Errorf("A luminos project already exists in %s.", dest)
}
// We may extract the example project now.
if err = unpackExampleProject(dest); err != nil {
return err
}
// And then create the LOCKFILE.
var lfp *os.File
if lfp, err = os.Create(lockFile); err != nil {
return err
}
lfp.Close()
// All done! Let's tell the user we've finished.
if dest == "." {
fmt.Printf("New project created at the current directory.\n")
} else {
fmt.Printf("New project created at %s.\n", dest)
}
return nil
}
func init() {
// Describing the "init" subcommand.
cli.Register("init", cli.Entry{
Description: "Creates a new Luminos site scaffold in the given PATH.",
Usage: "init [PATH]",
Command: &initCommand{},
})
}