Refactor Nomad Command Generation.

- Abstracting from the exec form while generating.
- Removal of single quotes (usage of only double-quotes).
- Bash-nesting using escaping of special characters.

internal/nomad/sentry_debug_writer.go

@@ -4,23 +4,23 @@ import (
 	"context"
 	"fmt"
 	"github.com/getsentry/sentry-go"
+	"github.com/openHPI/poseidon/pkg/dto"
 	"io"
 	"regexp"
 	"strconv"
 	"time"
 )
 
-const (
-	// timeDebugMessageFormat is the format of messages that will be converted to debug messages.
-	// Format Parameters: 1. Debug Comment, 2. command.
-	timeDebugMessageFormatStart = `echo -ne "\x1EPoseidon %s $(date +%%s%%3N)\x1E"; %s`
-	// Format Parameters: 1. command, 2. Debug Comment.
-	timeDebugMessageFormatEnd = `%s; bash -c "ec=$?; echo -ne \"\\x1EPoseidon %s \$(date +%%s%%3N)\\x1E\" && exit \$ec"`
-)
-
 var (
-	timeDebugMessagePattern = regexp.
-				MustCompile(`(?P<before>.*)\x1EPoseidon (?P<text>.+) (?P<time>\d{13})\x1E(?P<after>.*)`)
+	// timeDebugMessageFormat is the format of messages that will be converted to debug messages.
+	timeDebugMessageFormat = `echo -ne "\x1EPoseidon %s $(date +%%s%%3N)\x1E"`
+	// Format Parameters: 1. Debug Comment, 2. command.
+	timeDebugMessageFormatStart = timeDebugMessageFormat + `; %s`
+	// Format Parameters: 1. command, 2. Debug Comment.
+	timeDebugMessageFormatEnd = `%s; ` + dto.WrapBashCommand(`ec=$?; `+timeDebugMessageFormat+` && exit $ec`)
+
+	timeDebugMessagePattern = regexp.MustCompile(
+		`(?P<before>.*)\x1EPoseidon (?P<text>.+) (?P<time>\d{13})\x1E(?P<after>.*)`)
 	timeDebugMessagePatternStart = regexp.MustCompile(`\x1EPoseidon`)
 )