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### Please describe the problem.
git-annex fails to add file to the repository because of permission problem (probably faulty permission handling in WSL). Interestingly, it is possible to add a file anyway, by executing `git annex add` twice. Unfortunately, files added this way are writeable, when they shouldn't.
It's probably not in the scope of git-annex developing, but I think it's good to keep trace on the problem.
### What steps will reproduce the problem?
```
cd /mnt/c
git init test
cd test
git annex init test
init test
touch file
git annex add file
```
### What version of git-annex are you using? On what operating system?
Windows 10 Pro version 1909 build 18363.476 - WSL (Arch)
```
git-annex version: 7.20191114-ga95efcbc55
build flags: Assistant Webapp Pairing S3 WebDAV Inotify DBus DesktopNotify TorrentParser MagicMime Feeds Testsuite
dependency versions: aws-0.21.1 bloomfilter-2.0.1.0 cryptonite-0.26 DAV-1.3.3 feed-1.2.0.1 ghc-8.6.5 http-client-0.6.4 persistent-sqlite-2.10.5 torrent-10000.1.1 uuid-1.3.13 yesod-1.6.0
key/value backends: SHA256E SHA256 SHA512E SHA512 SHA224E SHA224 SHA384E SHA384 SHA3_256E SHA3_256 SHA3_512E SHA3_512 SHA3_224E SHA3_224 SHA3_384E SHA3_384 SKEIN256E SKEIN256 SKEIN512E SKEIN512 BLAKE2B256E BLAKE2B256 BLAKE2B512E BLAKE2B512 BLAKE2B160E BLAKE2B160 BLAKE2B224E BLAKE2B224 BLAKE2B384E BLAKE2B384 BLAKE2BP512E BLAKE2BP512 BLAKE2S256E BLAKE2S256 BLAKE2S160E BLAKE2S160 BLAKE2S224E BLAKE2S224 BLAKE2SP256E BLAKE2SP256 BLAKE2SP224E BLAKE2SP224 SHA1E SHA1 MD5E MD5 WORM URL
remote types: git gcrypt p2p S3 bup directory rsync web bittorrent webdav adb tahoe glacier ddar git-lfs hook external
operating system: linux x86_64
supported repository versions: 7
upgrade supported from repository versions: 0 1 2 3 4 5 6
local repository version: 7
```
### Please provide any additional information below.
[[!format sh """
$ git annex init test
init test
Detected a filesystem without fifo support.
Disabling ssh connection caching.
(scanning for unlocked files...)
ok
(recording state in git...)
$ touch file
$ git annex add file --debug
[2019-11-28 11:52:53.048398] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","symbolic-ref","-q","HEAD"]
[2019-11-28 11:52:53.0570463] process done ExitSuccess
[2019-11-28 11:52:53.0573639] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","refs/heads/master"]
[2019-11-28 11:52:53.0656397] process done ExitFailure 1
[2019-11-28 11:52:53.0660529] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","ls-files","--others","--exclude-standard","-z","--","file"]
[2019-11-28 11:52:53.0742999] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","check-attr","-z","--stdin","annex.backend","annex.numcopies","annex.largefiles","--"]
[2019-11-28 11:52:53.0822627] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch"]
[2019-11-28 11:52:53.0853736] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)"]
add file [2019-11-28 11:52:53.0949002] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","symbolic-ref","-q","HEAD"]
[2019-11-28 11:52:53.1027361] process done ExitSuccess
[2019-11-28 11:52:53.1030132] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","refs/heads/master"]
[2019-11-28 11:52:53.1122577] process done ExitFailure 1
[2019-11-28 11:52:53.1232169] call: cp ["--reflink=auto","--preserve=timestamps",".git/annex/objects/pX/ZJ/SHA256E-s0--e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/SHA256E-s0--e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","file"]
[2019-11-28 11:52:53.1606206] process done ExitSuccess
git-annex: .git/annex/othertmp/file.0/file: rename: permission denied (Permission denied)
failed
[2019-11-28 11:52:53.1617248] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","ls-files","--modified","-z","--","file"]
[2019-11-28 11:52:53.1693198] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","diff","--name-only","--diff-filter=T","-z","--cached","--","file"]
[2019-11-28 11:52:53.1825925] process done ExitSuccess
[2019-11-28 11:52:53.1835521] process done ExitSuccess
[2019-11-28 11:52:53.1844047] process done ExitSuccess
git-annex: add: 1 failed
"""]]
Second attempt:
[[!format sh """
$ git annex add file --debug
[2019-11-28 11:57:56.4029726] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","symbolic-ref","-q","HEAD"]
[2019-11-28 11:57:56.4114361] process done ExitSuccess
[2019-11-28 11:57:56.411681] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","refs/heads/master"]
[2019-11-28 11:57:56.4201317] process done ExitFailure 1
[2019-11-28 11:57:56.420548] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","ls-files","--others","--exclude-standard","-z","--","file"]
[2019-11-28 11:57:56.4316368] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","check-attr","-z","--stdin","annex.backend","annex.numcopies","annex.largefiles","--"]
[2019-11-28 11:57:56.4416827] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch"]
[2019-11-28 11:57:56.4452357] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)"]
add file [2019-11-28 11:57:56.4545013] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","symbolic-ref","-q","HEAD"]
[2019-11-28 11:57:56.4626846] process done ExitSuccess
[2019-11-28 11:57:56.4629866] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","refs/heads/master"]
[2019-11-28 11:57:56.4735385] process done ExitFailure 1
[2019-11-28 11:57:56.4848163] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch"]
[2019-11-28 11:57:56.488706] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)"]
ok
[2019-11-28 11:57:56.4964438] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","ls-files","--modified","-z","--","file"]
[2019-11-28 11:57:56.5043041] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","diff","--name-only","--diff-filter=T","-z","--cached","--","file"]
(recording state in git...)
[2019-11-28 11:57:56.5152453] feed: xargs ["-0","git","--git-dir=.git","--work-tree=.","--literal-pathspecs","add","--"]
[2019-11-28 11:57:56.5426207] process done ExitSuccess
[2019-11-28 11:57:56.5438586] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","hash-object","-w","--stdin-paths","--no-filters"]
[2019-11-28 11:57:56.5478542] feed: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","update-index","-z","--index-info"]
[2019-11-28 11:57:56.5713] process done ExitSuccess
[2019-11-28 11:57:56.5716027] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","--hash","refs/heads/git-annex"]
[2019-11-28 11:57:56.5803067] process done ExitSuccess
[2019-11-28 11:57:56.5807703] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","write-tree"]
[2019-11-28 11:57:56.6111405] process done ExitSuccess
[2019-11-28 11:57:56.6115303] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","commit-tree","ffa5a12eba0b2ea9bc5b529278597615f70c901c","--no-gpg-sign","-p","refs/heads/git-annex"]
[2019-11-28 11:57:56.6269742] process done ExitSuccess
[2019-11-28 11:57:56.6272697] call: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","update-ref","refs/heads/git-annex","0ece4a3a069693ea12cb61168cfb701040c8a7a7"]
[2019-11-28 11:57:56.6465065] process done ExitSuccess
[2019-11-28 11:57:56.6506175] process done ExitSuccess
[2019-11-28 11:57:56.651426] process done ExitSuccess
[2019-11-28 11:57:56.6520969] process done ExitSuccess
[2019-11-28 11:57:56.6527282] process done ExitSuccess
[2019-11-28 11:57:56.6536136] process done ExitSuccess
[2019-11-28 11:57:56.6554327] process done ExitSuccess
$ echo "this should fail" > file
$ cat file
this should fail
"""]]
### 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)
Yes! Thank you very much Joey for your hard work and digging into WSL bugs :)