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package askcli
import (
"bytes"
"context"
"fmt"
"io"
"strings"
)
func (d Dispatcher) handleDep(ctx context.Context, args []string, stdout, stderr io.Writer) (int, error) {
if len(args) < 2 {
io.WriteString(stderr, "error: ask dep requires an operation (add/rm/list) and arguments\n")
return 1, nil
}
op := args[1]
switch op {
case "add", "rm":
return d.handleDepAddRm(ctx, args, stdout, stderr)
case "list":
return d.handleDepList(ctx, args, stdout, stderr)
default:
fmt.Fprintf(stderr, "error: ask dep: unknown operation %q (use add, rm, or list)\n", op)
return 1, nil
}
}
func (d Dispatcher) handleDepAddRm(ctx context.Context, args []string, stdout, stderr io.Writer) (int, error) {
if len(args) < 4 {
io.WriteString(stderr, "error: ask dep add/rm requires <uuid> <dep-uuid>\n")
return 1, nil
}
uuid := args[2]
if IsNumericID(uuid) {
io.WriteString(stderr, RejectNumericID())
return 1, nil
}
depUUID := args[3]
if IsNumericID(depUUID) {
io.WriteString(stderr, RejectNumericID())
return 1, nil
}
op := args[1]
var modArg string
if op == "add" {
modArg = "depends:" + depUUID
} else {
modArg = "depends:-" + depUUID
}
var outBuf bytes.Buffer
// uuid:<uuid> scopes the modify to exactly one task; modArg sets the dependency.
code, err := d.runner.Run(ctx, []string{"uuid:" + uuid, "modify", modArg}, nil, &outBuf, io.Discard)
if code != 0 {
return code, err
}
io.WriteString(stdout, FormatSuccess(uuid))
return 0, nil
}
func (d Dispatcher) handleDepList(ctx context.Context, args []string, stdout, stderr io.Writer) (int, error) {
if len(args) < 3 {
io.WriteString(stderr, "error: ask dep list requires <uuid>\n")
return 1, nil
}
uuid := args[2]
if IsNumericID(uuid) {
io.WriteString(stderr, RejectNumericID())
return 1, nil
}
var outBuf bytes.Buffer
code, err := d.runner.Run(ctx, []string{"uuid:" + uuid, "export"}, nil, &outBuf, stderr)
if code != 0 {
return code, err
}
tasks, err := ParseTaskExport(&outBuf)
if err != nil {
return 1, nil
}
if len(tasks) == 0 {
io.WriteString(stdout, "no dependencies\n")
return 0, nil
}
task := tasks[0]
if len(task.Depends) == 0 {
io.WriteString(stdout, "no dependencies\n")
} else {
io.WriteString(stdout, strings.Join(task.Depends, "\n")+"\n")
}
return 0, nil
}
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