Re: [Bug-wget] "-c" + "no newer" + "sizes do not match" = "No such file" (bug?)

[Pierre Fortin]

Sorry, forgot version...
$ wget --version
GNU Wget 1.14 built on linux-gnu. 

On Tue, 14 Jan 2014 11:33:18 -0500 I wrote:

>Hi,
>
>I use wget to mirror most (except test, debug, and many foreign language
>files) of the Mageia Linux distro.  After killing a session midstream, I
>added "-c" to resume a large file, then just left it in the command:
>
>$ wget -c --config=/home/pfortin/.wgetrc.getMageia --no-host-directories
>ftp://mirror.nexcess.net/mageia/distrib/cauldron/x86_64/
>
>This seemed to work; then I noticed that a small number of files were
>"missing" (No such file).
>
>In the below snippet, the .listing file contains:
>     -rw-r--r-- 1 ftp     ftp      78146 Jan 13 16:52 01_IM_mageia.png
>while the local directory has:
>     -rw-r--r-- 1 pfortin pfortin 139343 Jan 13 16:52 01_IM_mageia.png
>
>Re-issuing the above command without -c downloaded the files correctly.
>
>Thinking about this a tad more, could it be that the initial use of -c
>caused some files to be added to (can't think of any reason why image
>files would grow otherwise)? Then, subsequent gets triggered this bug
>due to size mismatch caused by the initial faulty [re-]get?
>
>===================== snippet ==========================
>==> CWD (1) /mageia/distrib/cauldron/x86_64/install/extra/advertising ...
>done. ==> PASV ... done.    ==> LIST ... done.
>
>    [ <=>
>    ] 1,628       --.-K/s   in 0.006s  
>
>2014-01-14 10:36:02 (265 KB/s) - ‘install/extra/advertising/.listing’
>saved [1628]
>
>Remote file no newer than local file
>‘install/extra/advertising/01_IM_mageia.pl’ -- not retrieving. The sizes
>do not match (local 139343) -- retrieving.
>
>--2014-01-14 10:36:02--
>ftp://mirror.nexcess.net/mageia/distrib/cauldron/x86_64/install/extra/advertising/01_IM_mageia.png
>=> ‘install/extra/advertising/01_IM_mageia.png’ ==> CWD not required.
>==> PASV ... done.    ==> REST 139343 ... done.    
>==> RETR 01_IM_mageia.png ... 
>No such file ‘01_IM_mageia.png’.
>=========================================================
>
>Hope this helps track down how this happened...
>Pierre
>
>