On "update", bower re-downloads git repository even if there are no changes

[stevevanhooser]

Hello -

I'm not sure if this is user error or a bug, but whenever I install a package that refers to a git repo, and then run bower update, the package is downloaded again even if there is no new version. I have been unable to uncover anything on the web by searching.

Example:

bower install vhlab_mltbx_toolbox

bower update vhlab_mltbx_toolbox

(bower appears to re-download and re-install, even though there have been no changes to the repo.)

BUG REPORT

Output of bower -v && npm -v && node -v:

1.8.0
3.10.10
v6.9.4

Additional environment details (proxy, private registry, etc.):

Steps to reproduce the issue:

1.bower install vhlab_mltbx_toolbox
2.bower update vhlab_mltbx_toolbox

Describe the results you received:

Upon running update, Bower reinstalls the git repo

Describe the results you expected:

I expected that Bower would examine the repo and report "up-to-date" or "no action needed" or something similar:

bash-3.2$ bower install vhlab_mltbx_toolbox
bower not-cached https://github.com/VH-Lab/vhlab_mltbx_toolbox.git#*
bower resolve https://github.com/VH-Lab/vhlab_mltbx_toolbox.git#*
bower download https://github.com/VH-Lab/vhlab_mltbx_toolbox/archive/master.tar.gz
bower extract vhlab_mltbx_toolbox#* archive.tar.gz
bower resolved https://github.com/VH-Lab/vhlab_mltbx_toolbox.git#a208203249
bower install vhlab_mltbx_toolbox#a208203249

vhlab_mltbx_toolbox#a208203249 bower_components/vhlab_mltbx_toolbox
bash-3.2$ bower update vhlab_mltbx_toolbox
bower not-cached https://github.com/VH-Lab/vhlab_mltbx_toolbox.git#*
bower resolve https://github.com/VH-Lab/vhlab_mltbx_toolbox.git#*
bower download https://github.com/VH-Lab/vhlab_mltbx_toolbox/archive/master.tar.gz
bower extract vhlab_mltbx_toolbox#* archive.tar.gz
bower resolved https://github.com/VH-Lab/vhlab_mltbx_toolbox.git#a208203249

Additional information:

[juanbzpy]

maybe related to #256

[sheerun]

Closing for the same reason as #256