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authorAneesh Agrawal <aneeshusa@gmail.com>2016-08-04T10·32-0400
committerDomen Kožar <domen@dev.si>2016-08-04T10·32+0200
commitc8608c488c10789d381b784cf69bb81e2e2b088d (patch)
tree964b85ce560d2cbb50db6351fe9cd48507fa15ae /doc
parenteef754813f5a9d77ceeb0f10981d0a324967dc02 (diff)
Dockerfile: Add alpine dependencies (#1011)
* Dockerfile: add GNU tar native dependency

`builtins.fetchTarball` requires GNU tar to be available in the $PATH in
order to unpack the fetched tarball (there is a FIXME comment for this),
which Alpine does not ship by default (it ships BusyBox tar).

* Dockerfile: add GNU bash native dependency

`nix-shell` defaults to invoking `bash` from the $PATH for the subshell.
In theory this can be overriden with the NIX_BUILD_SHELL environment
variable, but this does not work properly. `nix-shell` generates and
passes a script (`$rcFile`) to be executed by the subshell which uses
bashisms (`source` and `shopt`). Additionally, in interactive mode,
`nix-shell` passes the `--rcfile` argument to the shell, which is
another bashism.

Because `bash` is thus de-facto required, add `bash` as a native package
dependency to make it available for `nix-shell`.
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