Truncate too long exec log

traPtitech · Dec 13, 2023 · e79cd5e · e79cd5e
1 parent 3452d50
commit e79cd5e
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/deploy.go b/deploy.go
@@ -117,19 +117,21 @@ func (dc *DeployCommand) Execute(ctx *Context) error {
 	cmd.Stdout = &buf
 	cmd.Stderr = &buf
 
+	const logLimit = 9900
+
 	err := cmd.Run()
 	if err != nil {
 		return ctx.ReplyFailure(
 			fmt.Sprintf("exec failed: %v", err),
 			"```",
-			safeConvertString(buf.Bytes()),
+			limitLog(safeConvertString(buf.Bytes()), logLimit),
 			"```",
 		)
 	}
 
 	return ctx.ReplySuccess(
 		"```",
-		safeConvertString(buf.Bytes()),
+		limitLog(safeConvertString(buf.Bytes()), logLimit),
 		"```",
 	)
 }

diff --git a/utils.go b/utils.go
@@ -27,6 +27,13 @@ func safeConvertString(b []byte) string {
 	return bld.String()
 }
 
+func limitLog(s string, limit int) string {
+	if len(s) <= limit {
+		return s
+	}
+	return "(log truncated)\n" + s[len(s)-limit:]
+}
+
 func withRetry(ctx context.Context, maxRetryCount int, fn func(ctx context.Context) error) error {
 	const (
 		initialBackoff = 1 * time.Second