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6609a545ad
Piping input into nvim causes the helptags generation to hang. For
example, the following does not work:
yes | nvim -c "helptags ."
The helptags are generated during installation with a command similar
to the one above, using CMake's execute_process to call nvim.
As execute_process does not use an intermediate shell, the following
will cause the installation to hang:
yes | make install
pacaur, an Arch Linux package helper, uses a similar command to
install packages [1], and thus can currently not be used to install
Neovim.
This commit adds a workaround to GenerateHelptags.cmake to circumvent
this problem.
[1] 22c00a3d05/pacaur (L825)