core: Support writing the decrypt/verify output directly to a file
* src/engine-gpg.c (gpg_decrypt): Pass output file name to gpg if output has file name set. (gpg_verify): Ditto. * tests/run-decrypt.c (show_usage): New option --output. (main): Parse new option. Set file name on output if --output is given. Do not print output if --output is given. * tests/run-verify.c (show_usage): New option --output. (main): Parse new option. Set file name on output if --output is given.
This change makes it possible to tell gpg to write the output (i.e. the
decrypted/verified data) directly to a file with given file name instead
of piping the output back to gpgme.
- GnuPG-bug-id: T6550