Package: git-annex
Version: 5.20141125
Severity: minor

Dear Joey,

I read in  changelog:
« Avoid re-checksumming when migrating from hashE to hash backend.»

I am migrating a repository from SHA256 to SHA256E should be faster in
newer versions. It is re-checksumming  everything.
Here is a piece of 'ps xaufwww'

freevo   18538  0.0  0.0   4556     0 pts/0    SN   14:05   0:00          \_ 
git annex migrate --fast --backend=SHA256E pluto/
freevo   18539  1.8  0.0 107096     8 pts/0    SNl  14:05   0:05          |   
\_ git-annex migrate --fast --backend=SHA256E pluto/
freevo   18544  0.1  0.0   5616     4 pts/0    SN   14:05   0:00          |     
  \_ git --git-dir=/home/frivoloextra/annex_video/.git 
--work-tree=/home/frivoloextra/annex_video ls-files --cached -z -- pluto/
freevo   18548 90.7  0.7   1896    92 pts/0    RN   14:05   4:24          |     
  \_ sha256sum 
/home/frivoloextra/annex_video/.git/annex/objects/37/MM/SHA256-s1944052424--9fe0815b45f8900ae754bc52a32c3d278a49acc0f328f86d71bee8b2fd867536/SHA256-s1944052424--9fe0815b45f8900ae754bc52a32c3d278a49acc0f328f86d71bee8b2fd867536

Since I am running it in a media box that has a very slow CPU,
it is quite slow, so I dearly miss the faster alternative.

Am I missing something?

a.

-- System Information:
Debian Release: 8.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages git-annex depends on:
ii  curl               7.38.0-3
ii  git                1:2.1.4-2
ii  libc6              2.19-13
ii  libffi6            3.1-2+b2
ii  libgmp10           2:6.0.0+dfsg-6
ii  libgnutls-deb0-28  3.3.8-5
ii  libgsasl7          1.8.0-6
ii  libicu52           52.1-6
ii  libidn11           1.29-1+b2
ii  libxml2            2.9.1+dfsg1-4
ii  libyaml-0-2        0.1.6-3
ii  openssh-client     1:6.7p1-3
ii  rsync              3.1.1-2+b1
ii  wget               1.16-1
ii  zlib1g             1:1.2.8.dfsg-2+b1

Versions of packages git-annex recommends:
ii  bind9-host         1:9.9.5.dfsg-7
pn  git-remote-gcrypt  <none>
ii  gnupg              1.4.18-6
ii  lsof               4.86+dfsg-1
ii  nocache            0.9-2
pn  quvi               <none>

Versions of packages git-annex suggests:
pn  bup          <none>
pn  graphviz     <none>
ii  libnss-mdns  0.10-6
pn  tahoe-lafs   <none>

-- no debconf information

-- 
Andrea Mennucc
 "E' un mondo difficile. Che vita intensa!" (Tonino Carotone)

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