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sha1_file: make the new sha1 object writing be coda-friendly.

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Coda doesn't like cross-directory hardlinks. So try to fall back
on a plain rename instead.
This commit is contained in:
Linus Torvalds 2005-05-03 15:16:18 -07:00
parent aac1794132
commit a31c6d022e
1 changed files with 14 additions and 1 deletions
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15
sha1_file.c
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@ -353,8 +353,21 @@ int write_sha1_file(char *buf, unsigned long len, const char *type, unsigned cha
close(fd);
ret = link(tmpfile, filename);
if (ret < 0)
if (ret < 0) {
ret = errno;
/*
* Coda hack - coda doesn't like cross-directory links,
* so we fall back to a rename, which will mean that it
* won't be able to check collisions, but that's not a
* big deal.
*
* When this succeeds, we just return 0. We have nothing
* left to unlink.
*/
if (ret == EXDEV && !rename(tmpfile, filename))
return 0;
}
unlink(tmpfile);
if (ret) {
if (ret != EEXIST) {