96 lines
1.8 KiB
Go
96 lines
1.8 KiB
Go
package wand
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import (
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"errors"
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"fmt"
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"github.com/iancoleman/strcase"
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"io"
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"os"
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"path/filepath"
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"strconv"
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)
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func exec(stdin io.Reader, stdout, stderr io.Writer, exit func(int), cmd Cmd, conf Config, env, args []string) {
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cmd = insertHelp(cmd)
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_, cmd.name = filepath.Split(args[0])
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cmd.name = strcase.ToKebab(cmd.name)
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if err := validateCommand(cmd, conf); err != nil {
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panic(err)
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}
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if os.Getenv("wandgenerate") == "man" {
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if err := generateMan(stdout, cmd, conf); err != nil {
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fmt.Fprintln(stderr, err)
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exit(1)
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}
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return
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}
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if os.Getenv("wandgenerate") == "markdown" {
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level, _ := strconv.Atoi(os.Getenv("wandmarkdownlevel"))
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if err := generateMarkdown(stdout, cmd, conf, level); err != nil {
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fmt.Fprintln(stderr, err)
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exit(1)
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}
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return
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}
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e := readEnv(cmd.name, env)
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cmd, fullCmd, args := selectCommand(cmd, args[1:])
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if cmd.impl == nil {
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fmt.Fprintln(stderr, errors.New("subcommand not specified"))
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suggestHelp(stderr, cmd, fullCmd)
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exit(1)
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return
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}
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if cmd.helpRequested {
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if err := showHelp(stdout, cmd, fullCmd, conf); err != nil {
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fmt.Fprintln(stderr, err)
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exit(1)
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}
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return
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}
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bo := boolOptions(cmd)
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cl := readArgs(bo, args)
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if hasHelpOption(cmd, cl.options) {
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if err := showHelp(stdout, cmd, fullCmd, conf); err != nil {
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fmt.Fprintln(stderr, err)
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exit(1)
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}
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return
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}
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c, err := readConfig(cmd, cl, conf)
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if err != nil {
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fmt.Fprintf(stderr, "configuration error: %v", err)
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exit(1)
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return
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}
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if err := validateInput(cmd, conf, c, e, cl); err != nil {
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fmt.Fprintln(stderr, err)
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suggestHelp(stderr, cmd, fullCmd)
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exit(1)
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return
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}
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output, err := apply(stdin, stdout, cmd, c, e, cl)
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if err != nil {
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fmt.Fprintln(stderr, err)
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exit(1)
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return
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}
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if err := printOutput(stdout, output); err != nil {
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fmt.Fprintln(stderr, err)
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exit(1)
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return
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}
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}
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