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new flag nodupem: reject dupes on move; closes #742

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ed 2025-10-14 22:51:48 +00:00
parent 9746b4e21e
commit f55d8341f1
5 changed files with 13 additions and 2 deletions
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3
copyparty/__main__.py
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@ -1241,6 +1241,7 @@ def add_upload(ap):
ap2.add_argument("--hardlink-only", action="store_true", help="do not fallback to symlinks when a hardlink cannot be made (volflag=hardlinkonly)")
ap2.add_argument("--reflink", action="store_true", help="enable reflink-based dedup; will fallback on full copies when that is impossible (non-CoW filesystem) (volflag=reflink)")
ap2.add_argument("--no-dupe", action="store_true", help="reject duplicate files during upload; only matches within the same volume (volflag=nodupe)")
ap2.add_argument("--no-dupe-m", action="store_true", help="also reject dupes when moving a file into another volume (volflag=nodupem)")
ap2.add_argument("--no-clone", action="store_true", help="do not use existing data on disk to satisfy dupe uploads; reduces server HDD reads in exchange for much more network load (volflag=noclone)")
ap2.add_argument("--no-snap", action="store_true", help="disable snapshots -- forget unfinished uploads on shutdown; don't create .hist/up2k.snap files -- abandoned/interrupted uploads must be cleaned up manually")
ap2.add_argument("--snap-wri", metavar="SEC", type=int, default=300, help="write upload state to ./hist/up2k.snap every \033[33mSEC\033[0m seconds; allows resuming incomplete uploads after a server crash")
@ -2079,7 +2080,7 @@ def main(argv: Optional[list[str]] = None) -> None:
# propagate implications
for k1, k2 in IMPLICATIONS:
if getattr(al, k1):
if getattr(al, k1, None):
setattr(al, k2, True)
# propagate unplications

2
copyparty/cfg.py
View file

@ -19,6 +19,7 @@ def vf_bmap() -> dict[str, str]:
"no_clone": "noclone",
"no_dirsz": "nodirsz",
"no_dupe": "nodupe",
"no_dupe_m": "nodupem",
"no_forget": "noforget",
"no_pipe": "nopipe",
"no_robots": "norobots",
@ -189,6 +190,7 @@ flagcats = {
"safededup": "verify on-disk data before using it for dedup",
"noclone": "take dupe data from clients, even if available on HDD",
"nodupe": "rejects existing files (instead of linking/cloning them)",
"nodupem": "rejects existing files during moves as well",
"chmod_d=755": "unix-permission for new dirs/folders",
"chmod_f=644": "unix-permission for new files",
"uid=573": "change owner of new files/folders to unix-user 573",

6
copyparty/up2k.py
View file

@ -4708,6 +4708,12 @@ class Up2k(object):
if w:
assert c1 # !rm
if c2 and c2 != c1:
if "nodupem" in dvn.flags:
q = "select w from up where substr(w,1,16) = ?"
for (w2,) in c2.execute(q, (w[:16],)):
if w == w2:
t = "file exists in target volume, and dupes are forbidden in config"
raise Pebkac(400, t)
self._copy_tags(c1, c2, w)
xlink = bool(svn.flags.get("xlink"))

2
copyparty/util.py
View file

@ -358,6 +358,8 @@ IMPLICATIONS = [
["hardlink_only", "hardlink"],
["hardlink", "dedup"],
["tftpvv", "tftpv"],
["nodupem", "nodupe"],
["no_dupe_m", "no_dupe"],
["smbw", "smb"],
["smb1", "smb"],
["smbvvv", "smbvv"],

2
tests/util.py
View file

@ -143,7 +143,7 @@ class Cfg(Namespace):
def __init__(self, a=None, v=None, c=None, **ka0):
ka = {}
ex = "allow_flac allow_wav chpw cookie_lax daw dav_auth dav_mac dav_rt e2d e2ds e2dsa e2t e2ts e2tsr e2v e2vu e2vp early_ban ed emp exp force_js getmod grid gsel hardlink hardlink_only http_no_tcp ih ihead localtime log_badxml magic md_no_br nid nih no_acode no_athumb no_bauth no_clone no_cp no_dav no_db_ip no_del no_dirsz no_dupe no_fnugg no_lifetime no_logues no_mv no_pipe no_poll no_readme no_robots no_sb_md no_sb_lg no_scandir no_tail no_tarcmp no_thumb no_vthumb no_u2abrt no_zip no_zls nrand nsort nw og og_no_head og_s_title ohead opds q rand re_dirsz reflink rm_partial rmagic rss smb srch_dbg srch_excl srch_icase stats uqe usernames vague_403 vc ver wo_up_readme write_uplog xdev xlink xvol zipmaxu zs"
ex = "allow_flac allow_wav chpw cookie_lax daw dav_auth dav_mac dav_rt e2d e2ds e2dsa e2t e2ts e2tsr e2v e2vu e2vp early_ban ed emp exp force_js getmod grid gsel hardlink hardlink_only http_no_tcp ih ihead localtime log_badxml magic md_no_br nid nih no_acode no_athumb no_bauth no_clone no_cp no_dav no_db_ip no_del no_dirsz no_dupe no_dupe_m no_fnugg no_lifetime no_logues no_mv no_pipe no_poll no_readme no_robots no_sb_md no_sb_lg no_scandir no_tail no_tarcmp no_thumb no_vthumb no_u2abrt no_zip no_zls nrand nsort nw og og_no_head og_s_title ohead opds q rand re_dirsz reflink rm_partial rmagic rss smb srch_dbg srch_excl srch_icase stats uqe usernames vague_403 vc ver wo_up_readme write_uplog xdev xlink xvol zipmaxu zs"
ka.update(**{k: False for k in ex.split()})
ex = "dav_inf dedup dotpart dotsrch hook_v no_dhash no_fastboot no_fpool no_htp no_rescan no_sendfile no_ses no_snap no_up_list no_voldump wram re_dhash see_dots plain_ip"