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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-03 22:16:18 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-03 22:16:18 (GMT) |
| commit | a31c6d022e2435a514fcc8ca57f9995c4376a986 (patch) | |
| tree | 51a882a2dc62e0d3cdc79e0badc61559fb723481 /sha1_file.c | |
| parent | aac17941320f7f73e5d411b152bfd041572e8a66 (diff) | |
| download | git-a31c6d022e2435a514fcc8ca57f9995c4376a986.zip git-a31c6d022e2435a514fcc8ca57f9995c4376a986.tar.gz git-a31c6d022e2435a514fcc8ca57f9995c4376a986.tar.bz2 | |
sha1_file: make the new sha1 object writing be coda-friendly.
Coda doesn't like cross-directory hardlinks. So try to fall back
on a plain rename instead.
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sha1_file.c b/sha1_file.c index 8f57798..e6ce455 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -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) { |