38 lines
831 B
Nix
38 lines
831 B
Nix
{
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writeShellApplication,
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gnugrep,
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nix-prefetch,
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subversion,
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}:
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writeShellApplication {
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name = "sword-updater";
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runtimeInputs = [
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gnugrep
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nix-prefetch
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subversion
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];
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text = ''
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url="https://www.crosswire.org/svn/sword/trunk"
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old_rev="$(grep "${./flake.nix}" -e "rev = " | sed -E -e 's/.*"(.*)".*/\1/')"
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echo "OLD_REV=$old_rev"
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new_rev="$(svn info "$url" --show-item revision)"
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echo "NEW_REV=$new_rev"
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if [ "$new_rev" == "$old_rev" ]; then
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exit 0
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else
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echo "DO_UPDATE=1"
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fi
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hash="$(nix-prefetch \
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--check-store \
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--option extra-experimental-features flakes \
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fetchsvn \
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--url "$url" \
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--rev "$new_rev" \
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)"
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echo "HASH=$hash"
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sed -i flake.nix \
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-e "s/rev = \"$old_rev\"/rev = \"$new_rev\"/"
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'';
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}
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