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doc: advertise GIT_CONFIG_NOSYSTEM

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On a multiuser system where mortals do not have write access to /etc,
the GIT_CONFIG_NOSYSTEM variable is the best tool we have to keep
getting work done when a syntax error or other problem renders
/etc/gitconfig buggy, until the sysadmin sorts the problem out.

Noticed while experimenting with teaching git to error out when
/etc/gitconfig is unreadable.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2012-10-14 01:53:59 -07:00 committed by Junio C Hamano
parent 96b9e0e313
commit e8ef401cd0
2 changed files with 12 additions and 0 deletions
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4
Documentation/git-config.txt
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@ -240,6 +240,10 @@ GIT_CONFIG::
Using the "--global" option forces this to ~/.gitconfig. Using the
"--system" option forces this to $(prefix)/etc/gitconfig.
GIT_CONFIG_NOSYSTEM::
Whether to skip reading settings from the system-wide
$(prefix)/etc/gitconfig file. See linkgit:git[1] for details.
See also <<FILES>>.

8
Documentation/git.txt
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@ -771,6 +771,14 @@ for further details.
and read the password from its STDOUT. See also the 'core.askpass'
option in linkgit:git-config[1].
'GIT_CONFIG_NOSYSTEM'::
Whether to skip reading settings from the system-wide
`$(prefix)/etc/gitconfig` file. This environment variable can
be used along with `$HOME` and `$XDG_CONFIG_HOME` to create a
predictable environment for a picky script, or you can set it
temporarily to avoid using a buggy `/etc/gitconfig` file while
waiting for someone with sufficient permissions to fix it.
'GIT_FLUSH'::
If this environment variable is set to "1", then commands such
as 'git blame' (in incremental mode), 'git rev-list', 'git log',