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fix: handle nix build errors gracefully

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technofab 2025-05-04 16:20:57 +02:00
parent abac8aaf3e
commit 6e17ec8838
1 changed files with 8 additions and 3 deletions
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11
cmd/nixtest/main.go
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@ -1,6 +1,7 @@
package main package main
import ( import (
"bytes"
"encoding/json" "encoding/json"
"errors" "errors"
"fmt" "fmt"
@ -54,12 +55,16 @@ func buildAndParse(variable string) (any, error) {
"--print-out-paths", "--print-out-paths",
"--no-link", "--no-link",
) )
output, err := cmd.Output() var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil { if err != nil {
return nil, err return nil, fmt.Errorf("failed to run nix build: %v, %s", err, stderr.String())
} }
path := strings.TrimSpace(string(output)) path := strings.TrimSpace(stdout.String())
data, err := os.ReadFile(path) data, err := os.ReadFile(path)
if err != nil { if err != nil {