On Sun, 23 Nov 2025 05:57:38 -0600, Kenneth Loafman writes:
>Version 3.0.6.2 was just released.  It goes back to the old passphrase
>handling and fixes other problems, so skip the 3.0.6.1 version and go to
>3.0.6.2.

unfortunately version 3.0.6.2 is broken wrt. incremental backups with 
asymmetric encryption.
it tells me that the metadata is in sync, followed immediately by a kaboom when
it attempts to decrypt a remote manifest file

example invocation (which has worked fine up to and including 3.0.5.1):

 duplicity backup --exclude-other-filesystems --volsize 250 --encrypt-key 
2FCCF66BB963BD5F --archive-dir /var/lib/duplicity \
 --name boot --full-if-older-than 7D /boot 
rsync://backup@REDACTED::/backup/REDACTED/boot
Local and Remote metadata are synchronized, no sync needed.
Last full backup date: Wed Nov 26 01:04:01 2025
Error processing remote file 
(duplicity-inc.20251127T150401Z.to.20251128T150401Z.manifest.gpg): GPG Failed, 
see log below:
===== Begin GnuPG log =====
gpg: encrypted with 4096-bit RSA key, ID 0x360EEB3F4F780821, created 2013-11-03
"Alexander Zangerl <[email protected]>"
gpg: decryption failed: secret key not available
===== End GnuPG log =====

Traceback (innermost last):
  File "/usr/lib/python3/dist-packages/duplicity/__main__.py", line 76, in 
dup_run
    with_tempdir(main)
  File "/usr/lib/python3/dist-packages/duplicity/__main__.py", line 60, in 
with_tempdir
    fn()
  File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1646, in 
main
    do_backup(action)
  File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1799, in 
do_backup
    check_last_manifest(col_stats)  # not needed for full backups
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1460, in 
check_last_manifest
    last_backup_set.check_manifests(check_remote=config.check_remote)
  File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 271, 
in check_manifests
    remote_manifest = self.get_remote_manifest() if check_remote else None
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 316, 
in get_remote_manifest
    manifest_buffer = self.get_remote_file(self.remote_manifest_name)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 329, 
in get_remote_file
    log.Info(_(f"Processing remote file {os.fsdecode(remote_file)} 
({len(remote_file_buffer)})"))
                                                                         
^^^^^^^^^^^^^^^^^^
 UnboundLocalError: cannot access local variable 'remote_file_buffer' where it 
is not associated with a value


-- 
Alexander Zangerl + GPG Key 2FCCF66BB963BD5F + https://snafu.priv.at/
Our OS who art in CPU, UNIX be thy name.
Thy programs run, thy syscalls done, in kernel as it is in user!
 -- BSD fortune file

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