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add debug flag to 'plural cd services lua' command #670

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add debug flag to 'plural cd services lua' command #670

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dd58825
add debug flag to 'plural cd services lua' command
zreigz Oct 21, 2025
b2bc708
capture stdout
zreigz Oct 21, 2025
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27 changes: 23 additions & 4 deletions cmd/command/cd/cd_services.go
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Original file line number Diff line number Diff line change
@@ -1,7 +1,9 @@
package cd

import (
"bytes"
"fmt"
"os"
"path/filepath"
"strings"

Expand Down Expand Up @@ -136,6 +138,10 @@ func (p *Plural) cdServiceCommands() []cli.Command {
Name: "dir",
Usage: "The directory to run the lua script from, defaults to the current working directory",
},
cli.BoolFlag{
Name: "debug",
Usage: "Prints the lua script to stdout during execution for debugging purposes",
},
},
},
{
Expand Down Expand Up @@ -313,10 +319,6 @@ func (p *Plural) handleTemplateService(c *cli.Context) error {
}

func (p *Plural) handleLuaTemplate(c *cli.Context) error {
if err := p.InitConsoleClient(consoleToken, consoleURL); err != nil {
return err
}

luaFile := c.String("lua-file")
context := c.String("context")
dir := c.String("dir")
Expand Down Expand Up @@ -361,9 +363,26 @@ func (p *Plural) handleLuaTemplate(c *cli.Context) error {
L.SetGlobal("contexts", luautils.GoValueToLuaValue(L, ctx["contexts"]))
L.SetGlobal("imports", luautils.GoValueToLuaValue(L, ctx["imports"]))

old := os.Stdout
r, w, _ := os.Pipe()
os.Stdout = w

if err := L.DoString(luaStr); err != nil {
return err
}
if err := w.Close(); err != nil {
return err
}
os.Stdout = old
var buf bytes.Buffer
if _, err := buf.ReadFrom(r); err != nil {
return err
}

output := buf.String()
if c.Bool("debug") {
fmt.Println(output)
}

if err := luautils.MapLua(L.GetGlobal("values").(*lua.LTable), &values); err != nil {
return err
Expand Down
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