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initial follow up on the read-only mode issue

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yarikoptic 2021-12-02 20:39:39 +00:00 • committed by admin
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doc/bugs/merge-annex-branches__61__false_-_automate_and_extend.mdwn Normal file
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### Please describe the problem.
previously reported and partially addressed in [here](https://git-annex.branchable.com/bugs/impossible_to_perform___34__read-only__34___git_annex_info_without_write_permissions/)
### What steps will reproduce the problem?
try any presumably read-only annex operation (whereis, wanted, etc) on a repository where you have no write permissions.
` -c annex.merge-annex-branches=false ` configuration switch was introduced to allow for running `whereis` in "read-only" mode. But it requires user knowhow and good memory.
It is also inconsistent with how `git` behaves in that it doesn't require any extra option and just handles it automagically/gracefully.
If git-annex could automagically switch to such mode when encountering read-only repository, may be announcing that on stderr, that would make life so much easier.
Also it seems that some commands are not even fully support it:
```
[d31548v@discovery7 1076_spacetop]$ git annex wanted here
git-annex: /dartfs/rc/lab/D/DBIC/DBIC/archive/BIDS/Wager/Wager/1076_spacetop/.git/annex: openTempFile template locktmp: permission denied (Permission denied)
git-annex: /dartfs/rc/lab/D/DBIC/DBIC/archive/BIDS/Wager/Wager/1076_spacetop/.git/annex: openTempFile template locktmp: permission denied (Permission denied)
[d31548v@discovery7 1076_spacetop]$ git -c annex.merge-annex-branches=false annex wanted here
git-annex: /dartfs/rc/lab/D/DBIC/DBIC/archive/BIDS/Wager/Wager/1076_spacetop/.git/annex: openTempFile template locktmp: permission denied (Permission denied)
[d31548v@discovery7 1076_spacetop]$ git annex version | head -n 1
git-annex version: 8.20211117+git14-ge1f38b9dd-1~ndall+1
```
[[!meta author=yoh]]
[[!tag projects/datalad]]