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config.c: fix writing config files on Windows network shares

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Renaming to an existing file doesn't work on Windows network shares if the
target file is open.

munmap() the old config file before commit_lock_file.

This fixes https://github.com/git-for-windows/git/issues/226.

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Karsten Blees
2015-06-30 16:34:13 +02:00
committed by Johannes Schindelin
parent 410d6fad32
commit acee5f88ee
1 changed files with 3 additions and 0 deletions
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3
config.c
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@@ -2135,6 +2135,9 @@ int git_config_set_multivar_in_file(const char *config_filename,
contents_sz - copy_begin) <
contents_sz - copy_begin)
goto write_err_out;
munmap(contents, contents_sz);
contents = NULL;
}
if (commit_lock_file(lock) < 0) {