Re: Issues after deleting .cache/duplicity

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Hi,

Deleting the cache is not advised at all.  We use the local manifest file
to save having to ask for the passphrase to decrypt the remote manifest,
so, if a full is done the local manifest exists and can be used to do
collection-status, etc..

Please add your message to issue901
<https://gitlab.com/duplicity/duplicity/-/issues/901> as a comment and
track us there.  I'm trying to find a way to work around this issue, but
for now, don't delete the local cache, or roll back to 3.0.5.1.

...Thanks,
...Ken

On Sun, Nov 16, 2025 at 6:24=E2=80=AFAM Nuno Teixeira via Duplicity-talk <
[email protected]> wrote:

> Hello,
>
> Having some problems on a fresh full backup and collection-status before
> and after deleting .cache/duplicity dir.
> Tests are be doing with sftp backend.
>
> % rm -r .cache/duplicity
> rm: .cache/duplicity: No such file or directory
> % duplicity full --ssh-askpass /home/FILES sftp://<SERVER>/duplicity-TEST=
2
> Password for 'xxxxxxx':
> Last full backup date: none
> GnuPG passphrase for decryption:
> Retype passphrase for decryption to confirm:
> --------------[ Backup Statistics ]--------------
> StartTime 1763295115.53 (Sun Nov 16 12:11:55 2025)
> EndTime 1763295121.11 (Sun Nov 16 12:12:01 2025)
> ElapsedTime 5.58 (5.58 seconds)
> SourceFiles 407
> SourceFileSize 129772148 (124 MB)
> NewFiles 407
> NewFileSize 129772148 (124 MB)
> DeletedFiles 0
> ChangedFiles 0
> ChangedFileSize 0 (0 bytes)
> ChangedDeltaSize 0 (0 bytes)
> DeltaEntries 407
> RawDeltaSize 129771740 (124 MB)
> TotalDestinationSizeChange 126104757 (120 MB)
> Errors 0
> -------------------------------------------------
>
> % duplicity collection-status --ssh-askpass sftp://<SERVER>/duplicity-TES=
T2
> Password for 'xxxxxx':
> Last full backup date: Sun Nov 16 12:11:47 2025
> Collection Status
> -----------------
> Connecting with backend: BackendWrapper
> Archive dir:
> /home/nunotex/.cache/duplicity/1e858504fe8185732be9aeb3d36f09ad
>
> Found 0 secondary backup chain(s).
>
> Found primary backup chain with matching signature chain:
> -------------------------
> Chain start time: Sun Nov 16 12:11:47 2025
> Chain end time: Sun Nov 16 12:11:47 2025
> Number of contained backup sets: 1
> Total number of contained volumes: 1
>  Type of backup set:                            Time:      Num volumes:
>                 Full         Sun Nov 16 12:11:47 2025                 1
> -------------------------
> No orphaned or incomplete backup sets found.
>
> % rm -r .cache/duplicity
> % duplicity collection-status --ssh-askpass sftp://<SERVER>/duplicity-TES=
T2
> Password for 'xxxxxxxx':
> Error processing remote file
> (duplicity-full.20251116T121147Z.manifest.gpg): GPG Failed, see log below=
:
> =3D=3D=3D=3D=3D Begin GnuPG log =3D=3D=3D=3D=3D
> gpg: AES256.CFB encrypted data
> gpg: gcry_kdf_derive failed: Invalid data
> gpg: encrypted with 1 passphrase
> gpg: decryption failed: Bad session key
> =3D=3D=3D=3D=3D End GnuPG log =3D=3D=3D=3D=3D
>
> Any clues? I think same happens to restore cmd but I need more testing.
>
> Thanks,
>
> --
> Nuno Teixeira
> FreeBSD UNIX:  <[email protected]>   Web:  https://FreeBSD.org
> _______________________________________________
> Duplicity-talk mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/duplicity-talk
>

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<div dir=3D"ltr"><div>Hi,</div><div><br></div>Deleting the cache is not adv=
ised at all.=C2=A0 We use the local manifest file to save having to ask for=
 the passphrase to decrypt the remote manifest, so, if a full is done the l=
ocal manifest exists and can be used to do collection-status, etc..<div><br=
></div><div>Please add your message to <a href=3D"https://gitlab.com/duplic=
ity/duplicity/-/issues/901">issue901</a>=C2=A0as a comment and track us the=
re.=C2=A0 I&#39;m trying to find a way to work around this issue, but for n=
ow, don&#39;t delete the local cache, or roll back to 3.0.5.1.</div><div><b=
r></div><div>...Thanks,</div><div>...Ken</div></div><br><div class=3D"gmail=
_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Sun,=
 Nov 16, 2025 at 6:24=E2=80=AFAM Nuno Teixeira via Duplicity-talk &lt;<a hr=
ef=3D"mailto:[email protected]">[email protected]</a>&gt; w=
rote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0p=
x 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=
=3D"ltr"><div dir=3D"ltr"><div>Hello,<br><br></div><div>Having some problem=
s on a fresh full backup and collection-status before and after deleting .c=
ache/duplicity dir.</div><div>Tests are be doing with sftp backend.</div><d=
iv><br></div><div>% rm -r .cache/duplicity<br>rm: .cache/duplicity: No such=
 file or directory<br>% duplicity full --ssh-askpass /home/FILES sftp://&lt=
;SERVER&gt;/duplicity-TEST2<br>Password for &#39;xxxxxxx&#39;:<br>Last full=
 backup date: none<br>GnuPG passphrase for decryption:<br>Retype passphrase=
 for decryption to confirm:<br>--------------[ Backup Statistics ]---------=
-----<br>StartTime 1763295115.53 (Sun Nov 16 12:11:55 2025)<br>EndTime 1763=
295121.11 (Sun Nov 16 12:12:01 2025)<br>ElapsedTime 5.58 (5.58 seconds)<br>=
SourceFiles 407<br>SourceFileSize 129772148 (124 MB)<br>NewFiles 407<br>New=
FileSize 129772148 (124 MB)<br>DeletedFiles 0<br>ChangedFiles 0<br>ChangedF=
ileSize 0 (0 bytes)<br>ChangedDeltaSize 0 (0 bytes)<br>DeltaEntries 407<br>=
RawDeltaSize 129771740 (124 MB)<br>TotalDestinationSizeChange 126104757 (12=
0 MB)<br>Errors 0<br>-------------------------------------------------</div=
><div><br></div><div>% duplicity collection-status --ssh-askpass sftp://&lt=
;SERVER&gt;/duplicity-TEST2<br>Password for &#39;xxxxxx&#39;:<br>Last full =
backup date: Sun Nov 16 12:11:47 2025<br>Collection Status<br>-------------=
----<br>Connecting with backend: BackendWrapper<br>Archive dir: /home/nunot=
ex/.cache/duplicity/1e858504fe8185732be9aeb3d36f09ad<br><br>Found 0 seconda=
ry backup chain(s).<br><br>Found primary backup chain with matching signatu=
re chain:<br>-------------------------<br>Chain start time: Sun Nov 16 12:1=
1:47 2025<br>Chain end time: Sun Nov 16 12:11:47 2025<br>Number of containe=
d backup sets: 1<br>Total number of contained volumes: 1<br>=C2=A0Type of b=
ackup set: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Time: =C2=A0 =C2=A0 =C2=A0Num volumes:<br=
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Full =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 Sun Nov 16 12:11:47 2025 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 1<br>-------------------------<br>No orphaned or incom=
plete backup sets found.</div><div><br></div><div>% rm -r .cache/duplicity<=
br>% duplicity collection-status --ssh-askpass sftp://&lt;SERVER&gt;/duplic=
ity-TEST2<br>Password for &#39;xxxxxxxx&#39;:<br>Error processing remote fi=
le (duplicity-full.20251116T121147Z.manifest.gpg): GPG Failed, see log belo=
w:<br>=3D=3D=3D=3D=3D Begin GnuPG log =3D=3D=3D=3D=3D<br>gpg: AES256.CFB en=
crypted data<br>gpg: gcry_kdf_derive failed: Invalid data<br>gpg: encrypted=
 with 1 passphrase<br>gpg: decryption failed: Bad session key<br>=3D=3D=3D=
=3D=3D End GnuPG log =3D=3D=3D=3D=3D</div><div><br clear=3D"all"></div>Any =
clues? I think same happens to restore cmd but I need more testing.<br><br>=
</div><div>Thanks,</div><div dir=3D"ltr"><br><div><span class=3D"gmail_sign=
ature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><div=
 dir=3D"ltr"><div><font color=3D"#888888">Nuno Teixeira</font></div><div><d=
iv><font color=3D"#888888">
FreeBSD UNIX:=C2=A0 &lt;[email protected]&gt;=C2=A0 =C2=A0Web:=C2=A0 <a h=
ref=3D"https://FreeBSD.org" rel=3D"noreferrer" target=3D"_blank">https://Fr=
eeBSD.org</a><br></font></div></div></div></div></div></div>
</div>
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"noreferrer" target=3D"_blank">https://lists.nongnu.org/mailman/listinfo/du=
plicity-talk</a><br>
</blockquote></div>

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