Dyego Aurélio
89 lines
1.9 KiB
Nix
89 lines
1.9 KiB
Nix
{
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lib,
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stdenvNoCC,
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pijul,
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cacert,
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}:
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lib.makeOverridable (
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{
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# Remote to fetch
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url,
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# Additional list of remotes specifying alternative download location to be
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# tried in order, if the prior remote failed to fetch.
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mirrors ? [ ],
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hash ? "",
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change ? null,
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state ? null,
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channel ? "main",
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name ? "fetchpijul",
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# TODO: Changes in pijul are unordered so there's many ways to end up with the same repository state.
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# This makes leaveDotPijul unfeasible to implement until pijul CLI implements
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# a way of reordering changes to sort them in a consistent and deterministic manner.
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# leaveDotPijul ? false
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}:
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if change != null && state != null then
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throw "Only one of 'change' or 'state' can be set"
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else
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stdenvNoCC.mkDerivation {
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inherit name;
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nativeBuildInputs = [
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pijul
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cacert
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];
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strictDeps = true;
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dontUnpack = true;
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dontConfigure = true;
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dontBuild = true;
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installPhase = ''
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runHook preInstall
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success=
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for remote in $remotes; do
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if
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pijul clone \
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''${change:+--change "$change"} \
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''${state:+--state "$state"} \
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--channel "$channel" \
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"$remote" \
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"$out"
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then
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success=1
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break
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fi
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done
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if [ -z "$success" ]; then
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echo "Error: couldn’t clone remote from any mirror" 1>&2
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exit 1
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fi
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runHook postInstall
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'';
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fixupPhase = ''
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runHook preFixup
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rm -rf "$out/.pijul"
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runHook postFixup
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'';
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outputHashAlgo = null;
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outputHashMode = "recursive";
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outputHash = if hash != "" then hash else lib.fakeHash;
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inherit
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change
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state
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channel
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;
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remotes = [ url ] ++ mirrors;
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impureEnvVars = lib.fetchers.proxyImpureEnvVars;
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}
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)
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