On 2014-09-28 02.37, Hilco Wijbenga wrote:
> If "~/.gitconfig" contains a "core.filemode" entry then "git init"
> should honour that setting.
>
> Signed-off-by: Hilco Wijbenga <hilco.wijbe...@gmail.com>
> ---
> This bit me at work where I have to work with Windows. Git on Cygwin
> and the Eclipse Git plugin do not agree on file attributes so I had
> set "filemode = false" in ~/.gitconfig.
This feels strange.
Each and every repo has a core.filemode setting.
Or should have.
Did you manage to create a repo without core.filemode in repo/.git/config ?
And if yes, how?
>
> A few weeks later, I did a "git init" and, some time later yet, I
> noticed the strange behaviour of Cygwin/Eclipse again.
I do not fully understand which "strange behaviour" you experied,
so I need to guess.
This was very
> surprising because things had been working well until then. It took
> quite a bit of research before I realized that "git init" always sets
> "filemode". I think "filemode" should only be set if not set already
> in the global config (similar to log_all_ref_updates).
That is part of the whole story:
In general, "git init" probes the file system, if the executable bit
is working as expected.
So if you create a Git repository under VFAT, the executable bit is not
supported.
Git will notice that, and set core.filemode = false.
NTFS is a different story:
Cygwin has support for the executable bit under NTFS, but Msysit does not.
So if you "share" a Git repository between Msysgit and cygwin, it may be better
to set core.filemode to false.
There is however a problem with your patch, or 2:
When you set core.filemode = false in your ~/.gitconfig,
another developer may have core.filemode = true in his config.
If you manage to share the repo using a network, git will behave different
for the 2 users.
Solution:
Set core.filemode for this repo alwways in the repo. (as we do today in git.git)
When you run "git init" with ~/.gitconfig = true, you should
anyway probe the file system, as it may not support file mode, and
core.filemode may be false.
So the solution that I can see is:
(Some pseudo-code:)
if (git config (global config ) == false) ||
(git config (~/.config ) == false) then
git_config_set("core.filemode", "false");
else
probe the file system and set core.filemode as we do today
fi
>
> The usual caveat applies: this is my first patch. Having said that,
> please feel free to be pedantic and strict. It's a small patch so I
> would imagine that fixing any problems should not take long (assuming
> it is acceptable at all, of course). I'd like to know I did it right.
> :-)
>
> AFAICT, all tests passed. Should a separate test be added for this change?
I think yes.
Under which system did you test ?
Windows?
CYWGIN ?
MingWW/Msysgit ?
Linux ?
> - /* Check filemode trustability */
> - filemode = TEST_FILEMODE;
> - if (TEST_FILEMODE && !lstat(path, &st1)) {
> - struct stat st2;
> - filemode = (!chmod(path, st1.st_mode ^ S_IXUSR) &&
> - !lstat(path, &st2) &&
> - st1.st_mode != st2.st_mode);
> + /* Do not override the global filemode setting. */
> + if (trust_executable_bit == -1) {
> + /* Check filemode trustability */
> + filemode = TEST_FILEMODE;
> + if (TEST_FILEMODE && !lstat(path, &st1)) {
> + struct stat st2;
> + filemode = (!chmod(path, st1.st_mode ^ S_IXUSR) &&
> + !lstat(path, &st2) &&
> + st1.st_mode != st2.st_mode);
> + }
> + git_config_set("core.filemode", filemode ? "true" : "false");
The indentation seems to be broken ?
(We use one TAB, for better info please see Documentation/CodingGuidelines)
[snip]
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