mirror of
https://github.com/go-task/task.git
synced 2024-12-12 10:45:49 +02:00
281 lines
8.1 KiB
Go
281 lines
8.1 KiB
Go
package task
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import (
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"os"
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"path/filepath"
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"strings"
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"github.com/joho/godotenv"
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"github.com/go-task/task/v3/errors"
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"github.com/go-task/task/v3/internal/execext"
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"github.com/go-task/task/v3/internal/filepathext"
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"github.com/go-task/task/v3/internal/fingerprint"
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"github.com/go-task/task/v3/internal/templater"
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"github.com/go-task/task/v3/taskfile"
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)
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// CompiledTask returns a copy of a task, but replacing variables in almost all
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// properties using the Go template package.
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func (e *Executor) CompiledTask(call taskfile.Call) (*taskfile.Task, error) {
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return e.compiledTask(call, true)
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}
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// FastCompiledTask is like CompiledTask, but it skippes dynamic variables.
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func (e *Executor) FastCompiledTask(call taskfile.Call) (*taskfile.Task, error) {
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return e.compiledTask(call, false)
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}
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func (e *Executor) compiledTask(call taskfile.Call, evaluateShVars bool) (*taskfile.Task, error) {
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origTask, err := e.GetTask(call)
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if err != nil {
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return nil, err
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}
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var vars *taskfile.Vars
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if evaluateShVars {
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vars, err = e.Compiler.GetVariables(origTask, call)
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} else {
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vars, err = e.Compiler.FastGetVariables(origTask, call)
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}
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if err != nil {
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return nil, err
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}
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r := templater.Templater{Vars: vars, RemoveNoValue: e.Taskfile.Version.Compare(taskfile.V3) >= 0}
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new := taskfile.Task{
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Task: origTask.Task,
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Label: r.Replace(origTask.Label),
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Desc: r.Replace(origTask.Desc),
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Prompt: r.Replace(origTask.Prompt),
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Summary: r.Replace(origTask.Summary),
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Aliases: origTask.Aliases,
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Sources: r.ReplaceGlobs(origTask.Sources),
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Generates: r.ReplaceGlobs(origTask.Generates),
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Dir: r.Replace(origTask.Dir),
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Set: origTask.Set,
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Shopt: origTask.Shopt,
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Vars: nil,
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Env: nil,
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Dotenv: r.ReplaceSlice(origTask.Dotenv),
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Silent: origTask.Silent,
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Interactive: origTask.Interactive,
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Internal: origTask.Internal,
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Method: r.Replace(origTask.Method),
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Prefix: r.Replace(origTask.Prefix),
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IgnoreError: origTask.IgnoreError,
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Run: r.Replace(origTask.Run),
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IncludeVars: origTask.IncludeVars,
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IncludedTaskfileVars: origTask.IncludedTaskfileVars,
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Platforms: origTask.Platforms,
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Location: origTask.Location,
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Requires: origTask.Requires,
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Watch: origTask.Watch,
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}
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new.Dir, err = execext.Expand(new.Dir)
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if err != nil {
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return nil, err
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}
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if e.Dir != "" {
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new.Dir = filepathext.SmartJoin(e.Dir, new.Dir)
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}
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if new.Prefix == "" {
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new.Prefix = new.Task
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}
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dotenvEnvs := &taskfile.Vars{}
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if len(new.Dotenv) > 0 {
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for _, dotEnvPath := range new.Dotenv {
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dotEnvPath = filepathext.SmartJoin(new.Dir, dotEnvPath)
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if _, err := os.Stat(dotEnvPath); os.IsNotExist(err) {
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continue
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}
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envs, err := godotenv.Read(dotEnvPath)
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if err != nil {
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return nil, err
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}
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for key, value := range envs {
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if ok := dotenvEnvs.Exists(key); !ok {
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dotenvEnvs.Set(key, taskfile.Var{Value: value})
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}
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}
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}
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}
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new.Env = &taskfile.Vars{}
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new.Env.Merge(r.ReplaceVars(e.Taskfile.Env))
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new.Env.Merge(r.ReplaceVars(dotenvEnvs))
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new.Env.Merge(r.ReplaceVars(origTask.Env))
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if evaluateShVars {
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err = new.Env.Range(func(k string, v taskfile.Var) error {
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// If the variable is not dynamic, we can set it and return
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if v.Value != nil || v.Sh == "" {
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new.Env.Set(k, taskfile.Var{Value: v.Value})
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return nil
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}
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static, err := e.Compiler.HandleDynamicVar(v, new.Dir)
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if err != nil {
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return err
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}
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new.Env.Set(k, taskfile.Var{Value: static})
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return nil
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})
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if err != nil {
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return nil, err
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}
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}
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if len(origTask.Cmds) > 0 {
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new.Cmds = make([]*taskfile.Cmd, 0, len(origTask.Cmds))
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for _, cmd := range origTask.Cmds {
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if cmd == nil {
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continue
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}
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if cmd.For != nil {
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var list []any
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// Get the list from the explicit for list
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if cmd.For.List != nil && len(cmd.For.List) > 0 {
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list = cmd.For.List
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}
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// Get the list from the task sources
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if cmd.For.From == "sources" {
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glist, err := fingerprint.Globs(new.Dir, new.Sources)
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if err != nil {
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return nil, err
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}
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// Make the paths relative to the task dir
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for i, v := range glist {
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if glist[i], err = filepath.Rel(new.Dir, v); err != nil {
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return nil, err
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}
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}
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list = asAnySlice(glist)
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}
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// Get the list from a variable and split it up
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if cmd.For.Var != "" {
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if vars != nil {
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v := vars.Get(cmd.For.Var)
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// If the variable is dynamic, then it hasn't been resolved yet
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// and we can't use it as a list. This happens when fast compiling a task
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// for use in --list or --list-all etc.
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if v.Value != nil && v.Sh == "" {
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switch value := v.Value.(type) {
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case string:
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if cmd.For.Split != "" {
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list = asAnySlice(strings.Split(value, cmd.For.Split))
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} else {
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list = asAnySlice(strings.Fields(value))
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}
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case []any:
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list = value
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case map[string]any:
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return &taskfile.Task{}, errors.TaskfileInvalidError{
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URI: origTask.Location.Taskfile,
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Err: errors.New("sh is not supported with the 'Any Variables' experiment enabled.\nSee https://taskfile.dev/experiments/any-variables for more information."),
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}
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default:
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return nil, errors.TaskfileInvalidError{
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URI: origTask.Location.Taskfile,
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Err: errors.New("var must be a delimiter-separated string or a list"),
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}
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}
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}
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}
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}
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// Name the iterator variable
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var as string
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if cmd.For.As != "" {
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as = cmd.For.As
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} else {
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as = "ITEM"
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}
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// Create a new command for each item in the list
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for _, loopValue := range list {
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extra := map[string]any{
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as: loopValue,
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}
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new.Cmds = append(new.Cmds, &taskfile.Cmd{
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Cmd: r.ReplaceWithExtra(cmd.Cmd, extra),
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Task: r.ReplaceWithExtra(cmd.Task, extra),
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Silent: cmd.Silent,
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Set: cmd.Set,
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Shopt: cmd.Shopt,
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Vars: r.ReplaceVarsWithExtra(cmd.Vars, extra),
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IgnoreError: cmd.IgnoreError,
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Defer: cmd.Defer,
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Platforms: cmd.Platforms,
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})
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}
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continue
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}
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new.Cmds = append(new.Cmds, &taskfile.Cmd{
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Cmd: r.Replace(cmd.Cmd),
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Task: r.Replace(cmd.Task),
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Silent: cmd.Silent,
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Set: cmd.Set,
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Shopt: cmd.Shopt,
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Vars: r.ReplaceVars(cmd.Vars),
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IgnoreError: cmd.IgnoreError,
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Defer: cmd.Defer,
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Platforms: cmd.Platforms,
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})
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}
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}
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if len(origTask.Deps) > 0 {
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new.Deps = make([]*taskfile.Dep, 0, len(origTask.Deps))
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for _, dep := range origTask.Deps {
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if dep == nil {
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continue
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}
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new.Deps = append(new.Deps, &taskfile.Dep{
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Task: r.Replace(dep.Task),
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Vars: r.ReplaceVars(dep.Vars),
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Silent: dep.Silent,
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})
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}
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}
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if len(origTask.Preconditions) > 0 {
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new.Preconditions = make([]*taskfile.Precondition, 0, len(origTask.Preconditions))
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for _, precond := range origTask.Preconditions {
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if precond == nil {
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continue
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}
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new.Preconditions = append(new.Preconditions, &taskfile.Precondition{
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Sh: r.Replace(precond.Sh),
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Msg: r.Replace(precond.Msg),
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})
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}
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}
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if len(origTask.Status) > 0 {
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timestampChecker := fingerprint.NewTimestampChecker(e.TempDir, e.Dry)
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checksumChecker := fingerprint.NewChecksumChecker(e.TempDir, e.Dry)
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for _, checker := range []fingerprint.SourcesCheckable{timestampChecker, checksumChecker} {
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value, err := checker.Value(&new)
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if err != nil {
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return nil, err
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}
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vars.Set(strings.ToUpper(checker.Kind()), taskfile.Var{Live: value})
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}
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// Adding new variables, requires us to refresh the templaters
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// cache of the the values manually
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r.ResetCache()
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new.Status = r.ReplaceSlice(origTask.Status)
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}
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return &new, r.Err()
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}
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func asAnySlice[T any](slice []T) []any {
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ret := make([]any, len(slice))
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for i, v := range slice {
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ret[i] = v
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}
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return ret
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}
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