--download-db-only and --download-java-db-only can't be used in together

[baskervilski]

Description

Version: 0.53.0

Running
trivy image --download-db-only --download-java-db-only
or:
trivy image --download-java-db-only --download-db-only

results with only the Java DB being downloaded, without any message/warning that the other DB won't be downloaded.

Desired Behavior

EITHER: Download both DBs when both flags are present.
OR: Raise an error if both flags are used simultaneously.

Actual Behavior

Reproduction Steps

1. `trivy clean --all`
2. `trivy image --download-db-only --download-java-db-only`
3. `trivy image ubuntu:22.04 --skip-db-update --skip-java-db-update`
...

Target

Container Image

Scanner

None

Output Format

None

Mode

None

Debug Output

NA

Operating System

Linux

Version

0.53.0

Checklist

• Run trivy clean --all
• Read the troubleshooting

[knqyf263]

@baskervilski Thanks for your report.

@DmitriyLewen We should return an error for clarity if both flags are specified.

[DmitriyLewen]

Created #7259

[DmitriyLewen]

v0.54.0 will return an error if both --download-java-db-only and --download-db-only flags are used.