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user1255102
Asked: 2014-11-17 01:40:23 +0800 CST

git: preserve group owner

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I use a central HUB which does an auto deploy to a productive web server if there are changes in the main branch. Now the setup runs in file permission problems.

If I do a push I want to preserve the group owner inherited by the root dictionary. At the same time I want to have the following permissions:

  • there is only one user: 'deploy_git'
  • files should belong to the group 'www-data'
  • file permissions should be set to 750 for dictionaries and to 640 for all other files.

A post-receive is already created which does the auto deploy. It is working like intended. But I can't manage to save the group owner for the dictionaries. u+s does not preserve the group owner and g+s is not working because the group has no write access to dictionaries.

I did already recharges for two days without a solution. :-(

git

1 Answers

  1. This is where POSIX ACLs come in:

    setfacl -m g:www-data:rX -R /some/directory
setfacl -m d:g:www-data:rX -R /some/directory

    The setfacl manpage will tell you exactly what's going on, but essentially the first command just sets an ACL for the www-data group to be able to read all files, and read+execute all directories, under /some/directory. The second command sets the "defaults" for new files and directories under /some/directory, so that any files created later will correctly inherit the ACL, too.

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