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update-stackage: update submodules on fresh checkout #97

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Merged
merged 1 commit into from
Mar 21, 2019
Merged

update-stackage: update submodules on fresh checkout #97

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17 changes: 6 additions & 11 deletions scripts/update-stackage.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -15,30 +15,25 @@ import ./update-external.nix args {
git clone [email protected]:input-output-hk/stackage.nix.git
cd stackage.nix
git submodule update --init
git submodule foreach git pull origin master
fi

echo "Running lts-to-nix for all snapshots..."

# update them all in parallel...
N=$(getconf _NPROCESSORS_ONLN)
for lts in {lts-haskell,stackage-nightly}/*.yaml
do
lts-to-nix $lts > $(basename ''${lts%.yaml}.nix) &
while [[ $(jobs -r -p | wc -l) -gt $N ]]; do
# can't use `wait -n` on older bash versions.
# e.g. what ships with macOS High Sierra
sleep 1;
done
if [[ ! -f $(basename ''${lts%.yaml}.nix) ]]; then
lts-to-nix $lts > $(basename ''${lts%.yaml}.nix)
fi
done
wait


# update nightlies
echo "{" > nightlies.nix;
for a in nightly-*.nix; do echo " \"''${a%%.nix}\" = import ./$a;" >> nightlies.nix; done;
echo "}" >> nightlies.nix
# update lts
echo "{" > ltss.nix;
for a in lts-*.nix; do echo " \"''${a%%.nix}\" = import ./$a;" >> ltss.nix; done;
for a in $(ls lts-*.nix | sort -Vtx -k 1,1); do echo " \"''${a%%.nix}\" = import ./$a;" >> ltss.nix; done;
echo "}" >> ltss.nix
'';
}