forked from eczarny/multic
/
multic.go
117 lines (103 loc) · 2.53 KB
/
multic.go
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package main
import (
"os"
"syscall"
"unsafe"
"github.com/codegangsta/cli"
"github.com/eczarny/multic/config"
"github.com/wsxiaoys/terminal"
)
var appHelpTemplate = `{{.Name}}
{{.Usage}}
Usage:
{{.Name}} [options] [command] [command arguments...]
Options:
{{range .Flags}}{{.}}
{{end}}
`
func printDirectoryGroups(config *config.Config) {
config.WalkDirectoryGroups(func(name string, dirs []string) {
printDirectoryGroup(name, dirs)
})
}
func printDirectoryGroup(name string, dirs []string) {
stdout := terminal.Stdout
stdout.Colorf("@{.}Directory group: ").Reset()
stdout.Color(".y").Print(name).Reset().Nl()
for _, dir := range dirs {
stdout.Print(dir).Nl()
}
}
func printDirectorySeparator(dir string) {
stdout := terminal.Stdout
w, _, _ := terminalSize()
stdout.Color(".").Print("\u2514 ").Color(".g").Print(dir).Color(".").Print(" ")
for i := 1; i < w-len(dir)-2; i++ {
stdout.Print("\u2500")
}
stdout.Reset().Nl()
}
func terminalSize() (int, int, error) {
var d [4]uint16
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(0),
uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&d)), 0, 0, 0)
if err != 0 {
return -1, -1, err
}
return int(d[1]), int(d[0]), nil
}
func run(config *config.Config, groups []string, args cli.Args) {
if len(groups) == 0 {
groups = []string{"default"}
}
for _, group := range groups {
dirs, err := config.GetDirectoryGroup(group)
stderr := terminal.Stderr
if err == nil {
for _, dir := range dirs {
err = Run(dir, args.First(), args.Tail())
if err != nil {
stderr.Color("r").Print(err).Reset().Nl()
}
printDirectorySeparator(dir)
}
} else {
stderr.Color("r").Print(err).Reset().Nl()
}
}
}
func main() {
app := cli.NewApp()
cli.AppHelpTemplate = appHelpTemplate
app.Name = "multic"
app.Version = "0.0.5"
app.Usage = "Run shell commands in multiple directories."
app.Flags = []cli.Flag{
cli.BoolFlag{
Name: "list, l",
Usage: "list configured directory groups",
},
cli.StringSliceFlag{
Name: "group, g",
Value: &cli.StringSlice{},
Usage: "specify a directory group",
},
cli.StringFlag{
Name: "configuration, c",
Value: "~/.multic/config",
Usage: "specify a configuration file",
},
}
app.Action = func(ctx *cli.Context) {
args := ctx.Args()
config := config.LoadConfig(ctx.String("configuration"))
if ctx.IsSet("list") {
printDirectoryGroups(config)
} else if len(args) == 0 {
cli.ShowAppHelp(ctx)
} else {
run(config, ctx.StringSlice("group"), args)
}
}
app.Run(os.Args)
}