Add workflow (#1)

nix/fetchDeps.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+# This file was adapted from
+# https://github.com/NixOS/nixpkgs/blob/b981d811453ab84fb3ea593a9b33b960f1ab9147/pkgs/build-support/dotnet/build-dotnet-module/default.nix#L173
+set -euo pipefail
+export PATH="@binPath@"
+for arg in "$@"; do
+    case "$arg" in
+        --keep-sources|-k)
+            keepSources=1
+            shift
+            ;;
+        --help|-h)
+            echo "usage: $0 [--keep-sources] [--help] <output path>"
+            echo "    <output path>   The path to write the lockfile to. A temporary file is used if this is not set"
+            echo "    --keep-sources  Don't remove temporary directories upon exit, useful for debugging"
+            echo "    --help          Show this help message"
+            exit
+            ;;
+    esac
+done
+tmp=$(mktemp -td "@pname@-tmp-XXXXXX")
+export tmp
+HOME=$tmp/home
+exitTrap() {
+    test -n "${ranTrap-}" && return
+    ranTrap=1
+    if test -n "${keepSources-}"; then
+        echo -e "Path to the source: $tmp/src\nPath to the fake home: $tmp/home"
+    else
+        rm -rf "$tmp"
+    fi
+    # Since mktemp is used this will be empty if the script didnt succesfully complete
+    if ! test -s "$depsFile"; then
+      rm -rf "$depsFile"
+    fi
+}
+trap exitTrap EXIT INT TERM
+dotnetRestore() {
+    local -r project="${1-}"
+    local -r rid="$2"
+    dotnet restore "${project-}" \
+        -p:ContinuousIntegrationBuild=true \
+        -p:Deterministic=true \
+        --packages "$tmp/nuget_pkgs" \
+        --runtime "$rid" \
+        --no-cache \
+        --force
+}
+declare -a projectFiles=( @projectFiles@ )
+declare -a testProjectFiles=( @testProjectFiles@ )
+export DOTNET_NOLOGO=1
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
+depsFile=$(realpath "${1:-$(mktemp -t "@pname@-deps-XXXXXX.nix")}")
+mkdir -p "$tmp/nuget_pkgs"
+storeSrc="@storeSrc@"
+src="$tmp/src"
+cp -rT "$storeSrc" "$src"
+chmod -R +w "$src"
+cd "$src"
+echo "Restoring project..."
+rids=("@rids@")
+for rid in "${rids[@]}"; do
+    (( ${#projectFiles[@]} == 0 )) && dotnetRestore "" "$rid"
+    for project in "${projectFiles[@]-}" "${testProjectFiles[@]-}"; do
+        dotnetRestore "$project" "$rid"
+    done
+done
+echo "Successfully restored project"
+echo "Writing lockfile..."
+echo -e "# This file was automatically generated by passthru.fetch-deps.\n# Please don't edit it manually, your changes might get overwritten!\n" > "$depsFile"
+nuget-to-nix "$tmp/nuget_pkgs" "@packages@" >> "$depsFile"
+echo "Successfully wrote lockfile to $depsFile"