This change enhances the 'issue' command functionality by enabling structured JSON
output for single issue views and introducing a method for output redirection.
**Changes Implemented:**
1. Enables the existing `--output json` flag for single issue commands (e.g., 'tea issue 17'). This flag was previously ignored in this context.
2. Introduces the new `--out <filename>` flag, which redirects the marshaled JSON output from stdout to the specified file.
Feeback more then welcome.
Co-authored-by: Jonas Toth <development@jonas-toth.eu>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/841
Reviewed-by: TheFox0x7 <thefox0x7@noreply.gitea.com>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Riccardo Förster <riccardo.foerster@sarad.de>
Co-committed-by: Riccardo Förster <riccardo.foerster@sarad.de>
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