git-annex/doc/bugs/sync_failing_after_debian_bullseye_upgrade.mdwn
2021-09-04 10:32:00 +00:00

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### Please describe the problem.
After upgrading Debian Buster to Bullseye (and thus git-annex to 8.20210223-2), two sync `git annex sync --content` jobs have started failing.
One is to an encrypted remote:
sending incremental file list
54c/e47/
54c/e47/GPGHMACSHA1--REDACTED/
54c/e47/GPGHMACSHA1--REDACTED/GPGHMACSHA1--REDACTED
32,768 8% 0.00kB/s 0:00:00
375,589 100% 326.94MB/s 0:00:00 (xfr#1, to-chk=0/5)
failed
content changed while it was being sent
content changed while it was being sent
git-annex: sync: 1 failed
The content hasn't changed as far as I know.
Another is to another local filesystem (from ext4 to ext4):
```
failed to send content to remote
failed to send content to remote
failed to send content to remote
To /path/to/remote
XXXXXXXXX..XXXXXXXXX git-annex -> synced/git-annex
XXXXXXXXX..XXXXXXXXX master -> synced/master
git-annex: sync: 884 failed
```
In the latter case, `--debug` prints two ExitFailures:
```
[2021-09-04 13:21:26.943294346] process [2934668] read: cp ["--reflink=always","--preserve=timestamps",".git/annex/objects/gM/mZ/SHA256E-REDACTED.pdf/SHA256E-REDACTED.pdf","/path/to/remote/.git/annex/tmp/SHA256E-REDACTED.pdf"]
[2021-09-04 13:21:26.944187444] process [2934668] done ExitFailure 1
<clip>
2021-09-04 13:21:52.79239764] process [2936730] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","push","remote","master"]
[2021-09-04 13:21:52.808201959] process [2936730] done ExitFailure 1
```
Manually running that cp command fails with "Permission denied", because the tmp file now exists and has 444 permissions.
### What steps will reproduce the problem?
I haven't tried to reproduce this from a clean repository, but it happens 100 % of the time.
### What version of git-annex are you using? On what operating system?
git-annex 8.20210223-2 on Debian 11/Bullseye.
### Please provide any additional information below.
### Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)
These sync worked fine before upgrade.