Please describe the problem.
Instead of displaying what are probably carriage returns, git-annex strips those out and outputs a lot of lines when downloading stuff through aria2c. On small downloads, it's not a big deal, but on large downloads it can flood the screen pretty badly.
What steps will reproduce the problem?
Just download a torrent with git-annex.
What version of git-annex are you using? On what operating system?
5.20150205-gbf9058a on current debian jessie.
Please provide any additional information below.
# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log
anarcat@marcos:iso(master +)$ /srv/downloads.kitenet.net/git-annex/linux/current/git-annex.linux/git-annex addurl http://images.kali.org/kali-linux-1.1.0-amd64.torrent
(downloading torrent file...)
--2015-02-09 22:12:51-- http://images.kali.org/kali-linux-1.1.0-amd64.torrent
Résolution de images.kali.org (images.kali.org)… 50.7.37.130
Connexion à images.kali.org (images.kali.org)|50.7.37.130|:80… connecté.
requête HTTP transmise, en attente de la réponse… 200 OK
Taille : 233152 (228K) [application/octet-stream]
Sauvegarde en : « ../.git/annex/misctmp/torrent32659 »
100%[=====================================================================================================================================================================================================>] 233 152 610KB/s ds 0,4s
2015-02-09 22:12:52 (610 KB/s) — « ../.git/annex/misctmp/torrent32659 » sauvegardé [233152/233152]
addurl images.kali.org_kali_linux_1.1.0_amd64.torrent/kali_linux_1.1.0_amd64.iso (from bittorrent)
02/09 22:12:52 [NOTICE] IPv4 DHT: listening on UDP port 6940
02/09 22:12:52 [ERROR] Erreur d'intégrité détectée. fichier=../.git/annex/misctmp/URL--http&c%%images.kali.org%kali-linux-1.1.0-amd64.torrent/kali-linux-1.1.0-amd64
02/09 22:12:52 [NOTICE] IPv4 BitTorrent: listening on TCP port 6923
02/09 22:12:52 [NOTICE] IPv6 BitTorrent: listening on TCP port 6923
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^C
anarcat@marcos:iso(master +%)$ aria2c kali-linux-1.1.0-amd64.torrent
02/09 22:17:16 [NOTICE] IPv4 DHT: listening on UDP port 6963
02/09 22:17:16 [NOTICE] IPv4 BitTorrent: listening on TCP port 6950
02/09 22:17:16 [NOTICE] IPv6 BitTorrent: listening on TCP port 6950
[#51d0f6 5.2MiB/2.8GiB(0%) CN:44 SD:12 DL:241KiB ETA:3h25m7s]
# End of transcript or log.
Could be caused by ?bittorrent special url double-encoding? --anarcat
This is because aria2c detects it's not outputting to a terminal, so it stops using \r for progress displays. You can get the same effect by piping aria2c to less. There does not seem to be any switch to force console-style output.
The only solution would be the complexity of making git-annex use a pty internally, or just not showing aria2c progress output (or not intercepting it for metering).
\rchars ourselves would fix it?