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Diffstat (limited to '')
| -rw-r--r-- | src/xz/file_io.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/xz/file_io.c b/src/xz/file_io.c index c1bca196..020f33dd 100644 --- a/src/xz/file_io.c +++ b/src/xz/file_io.c @@ -100,7 +100,19 @@ io_unlink(const char *name, const struct stat *known_st) #else struct stat new_st; - if (lstat(name, &new_st) + // If --force was used, use stat() instead of lstat(). This way + // (de)compressing symlinks works correctly. However, it also means + // that xz cannot detect if a regular file foo is renamed to bar + // and then a symlink foo -> bar is created. Because of stat() + // instead of lstat(), xz will think that foo hasn't been replaced + // with another file. Thus, xz will remove foo even though it no + // longer is the same file that xz used when it started compressing. + // Probably it's not too bad though, so this doesn't need a more + // complex fix. + const int stat_ret = opt_force + ? stat(name, &new_st) : lstat(name, &new_st); + + if (stat_ret # ifdef __VMS // st_ino is an array, and we don't want to // compare st_dev at all. |