2 files changed, 96 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/blockchains/nbxplorer/util/create-deps.sh b/nixpkgs/pkgs/applications/blockchains/nbxplorer/util/create-deps.sh
new file mode 100755
index 000000000000..1402d1cd1eb8
--- /dev/null
+++ b/nixpkgs/pkgs/applications/blockchains/nbxplorer/util/create-deps.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p dotnet-sdk_3
+set -euo pipefail
+
+# Writes deps for dotnet package in $pkgSrc to $depsFile.
+# Expects $pkgSrc to contain a single .sln file.
+
+pkgSrc=$1
+depsFile=$2
+
+sln=$(cd "$pkgSrc"; find * -maxdepth 0 -name '*.sln' | head -1)
+[[ $sln ]] || { echo "No .sln file in $pkgSrc" ; exit 1; }
+
+tmpdir=$(mktemp -d /tmp/$pkgName-src.XXX)
+echo "Using tmp dir: $tmpdir"
+cp -rT "$pkgSrc" "$tmpdir"
+chmod -R +w "$tmpdir"
+
+pushd "$tmpdir" > /dev/null
+mkdir home
+echo "Running dotnet restore for $sln"
+HOME=home DOTNET_CLI_TELEMETRY_OPTOUT=1 \
+  dotnet restore -v normal --no-cache "$sln" > restore_log
+
+echo "{ fetchNuGet }: [" > "$depsFile"
+while read pkgSpec; do
+  { read name; read version; } < <(
+    # Ignore build version part: 1.0.0-beta2+77df2220 -> 1.0.0-beta2
+    sed -nE 's/.*<id>([^<]*).*/\1/p; s/.*<version>([^<+]*).*/\1/p' "$pkgSpec"
+  )
+  sha256=$(nix-hash --type sha256 --flat --base32 "$(dirname "$pkgSpec")"/*.nupkg)
+  cat >> "$depsFile" <<EOF
+  (fetchNuGet {
+    name = "$name";
+    version = "$version";
+    sha256 = "$sha256";
+  })
+EOF
+done < <(find home/.nuget/packages -name '*.nuspec' | LC_ALL=C sort)
+echo "]" >> "$depsFile"
+
+echo "Created $depsFile"
+
+popd > /dev/null
+rm -r $tmpdir
diff --git a/nixpkgs/pkgs/applications/blockchains/nbxplorer/util/update-common.sh b/nixpkgs/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
new file mode 100755
index 000000000000..c69168ccbbb1
--- /dev/null
+++ b/nixpkgs/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
@@ -0,0 +1,51 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p coreutils curl jq common-updater-scripts dotnet-sdk_3
+set -euo pipefail
+
+# This script uses the following env vars:
+# getVersionFromTags
+# onlyCreateDeps
+
+pkgName=$1
+depsFile=$2
+
+: ${getVersionFromTags:=}
+: ${onlyCreateDeps:=}
+
+scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
+nixpkgs=$(realpath "$scriptDir"/../../../../..)
+
+evalNixpkgs() {
+  nix eval --raw "(with import \"$nixpkgs\" {}; $1)"
+}
+
+getRepo() {
+  url=$(evalNixpkgs $pkgName.src.meta.homepage)
+  echo $(basename $(dirname $url))/$(basename $url)
+}
+
+getLatestVersionTag() {
+  "$nixpkgs"/pkgs/common-updater/scripts/list-git-tags https://github.com/$(getRepo) 2>/dev/null \
+    | sort -V | tail -1 | sed 's|^v||'
+}
+
+if [[ ! $onlyCreateDeps ]]; then
+  oldVersion=$(evalNixpkgs "$pkgName.version")
+  if [[ $getVersionFromTags ]]; then
+    newVersion=$(getLatestVersionTag)
+  else
+    newVersion=$(curl -s "https://api.github.com/repos/$(getRepo)/releases" | jq -r '.[0].name')
+  fi
+
+  if [[ $newVersion == $oldVersion ]]; then
+    echo "nixpkgs already has the latest version $newVersion"
+    echo "Run this script with env var onlyCreateDeps=1 to recreate "$(basename "$depsFile")
+    exit 0
+  else
+    echo "Updating $pkgName: $oldVersion -> $newVersion"
+    (cd "$nixpkgs" && update-source-version "$pkgName" "$newVersion")
+  fi
+fi
+
+storeSrc="$(nix-build "$nixpkgs" -A $pkgName.src --no-out-link)"
+. "$scriptDir"/create-deps.sh "$storeSrc" "$depsFile"