Shea told me composableDerivation is hard to understand.

Thus comment it and why it was written long time ago until it'll get replaced piecewise.
sudo: env_keep TERMINFO for urxvt
Updated to mutt-1.5.23
r-generic-builder: don't let derivation override the naming scheme
cran-packages.nix: provide meta.homepage links for all modules
Aegisub: update to version 3.1.3
v8: upgrade to 3.26.8
re2: upgrade to 20140304
mongodb: upgrade to 2.6.0
rethinkdb: upgrade to 1.12.4
v8: remove old version 3.14
Disable Texinfo tests on Darwin
r-curl: fix build
haskell-timezone-series: update to version 0.1.3
haskell-hourglass: add version 0.1.1
haskell-cabal-lenses: add version 0.1
haskell-SafeSemaphore: update to version 0.10.1
haskell-geniplate: update to version 0.6.0.4
haskell-gloss-raster: update to version 1.8.2.1
haskell-gloss: update to version 1.8.2.1