diff options
| -rwxr-xr-x | dupfiles | 20 | ||||
| -rw-r--r-- | dupfiles.1 | 3 |
2 files changed, 18 insertions, 5 deletions
@@ -217,12 +217,22 @@ class Dupfiles(cliapp.Application): else: self.report(duplicates) - def make_hardlinks(self, duplicates): - canonical = duplicates.pop() - for pathname in duplicates: - os.remove(pathname) - os.link(canonical, pathname) + def get_meta(self, name): + st = os.lstat(name) + return st.st_uid, st.st_gid, st.st_mode + def make_hardlinks(self, duplicates): + dups = [(name, self.get_meta(name)) for name in duplicates] + + while dups: + canonical, meta = dups[0] + dups = dups[1:] + same = [x for x, y in dups if y == meta] + dups = [(x,y) for x, y in dups if y != meta] + for pathname in same: + os.remove(pathname) + os.link(canonical, pathname) + def remove_all_but_one(self, duplicates): keep = duplicates.pop() for pathname in duplicates: @@ -36,6 +36,9 @@ Note that after hardlinking, the files are the same file: if you modify one, both names show the modified file. Thus, if you the files should not be the same file, but just copies of each other, do not hardlink them together. +.PP +Files must have same owner, same group, and same permissions bits +to be hardlinked together. .SH OPTIONS .TP .BR --progress |