Fix #261 for Linux

[americast]

Fixes issue #261 for Arch Linux.
Adds deps/build.jl

Gramercy.

[codecov-io]

Codecov Report

Merging #266 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #266   +/-   ##
======================================
  Coverage    0.14%   0.14%           
======================================
  Files           4       4           
  Lines         683     683           
======================================
  Hits            1       1           
  Misses        682     682

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[yuyichao]

The distribition detection seems very fragile. You should maybe just check the presence of pacman. The command also shouldn't be run unconditionally, at most when the zip command is missing.

[americast]

@yuyichao Incorporated the changes you requested. Also added support for multiple distros.

Gramercy.

[tkelman]

shouldn't rely on which being installed, there are environments where it isn't by default

[americast]

@tkelman Removed which.

Gramercy.

[tkelman]

won't this be susceptible to #199?

[americast]

@tkelman Yes, it will be. Can you suggest any workaround ?

Gramercy.