chore: initialize Calculet NPU research archive

scripts/clone-bundle.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+
+if [ "$#" -ne 2 ]; then
+    echo "usage: $0 BUNDLE DESTINATION" >&2
+    exit 2
+fi
+
+bundle=$1
+destination=$2
+
+git bundle verify "$bundle"
+git clone "$bundle" "$destination"
+

scripts/reassemble-archives.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+set -eu
+
+repo_root=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+output_dir=${1:-"$repo_root/reassembled"}
+
+mkdir -p "$output_dir"
+
+find "$repo_root/archives" -mindepth 1 -maxdepth 1 -type d -name '*.parts' -print | sort |
+while IFS= read -r parts_dir; do
+    archive_name=$(basename "$parts_dir" .parts)
+    destination="$output_dir/$archive_name"
+    echo "Reassembling $archive_name"
+    find "$parts_dir" -type f -name 'part-*' -print | sort | xargs cat > "$destination"
+done
+
+for archive in "$repo_root"/archives/*; do
+    if [ -f "$archive" ]; then
+        archive_name=$(basename "$archive")
+        [ -e "$output_dir/$archive_name" ] || ln -s "$archive" "$output_dir/$archive_name"
+    fi
+done
+
+(cd "$output_dir" && shasum -a 256 -c "$repo_root/checksums/main-archives.sha256")
+

scripts/verify-repository.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+set -eu
+
+repo_root=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+
+cd "$repo_root"
+git lfs fsck
+shasum -a 256 -c checksums/published-files.sha256
+shasum -a 256 -c checksums/archive-parts.sha256
+awk '
+    NR == FNR { expected[$2] = $1; next }
+    !($2 in expected) || expected[$2] != $1 { bad = 1 }
+    { delete expected[$2] }
+    END {
+        for (name in expected) bad = 1
+        exit bad
+    }
+' checksums/main-archives.sha256 checksums/reassembled-archives.sha256
+
+echo "Repository files and LFS objects verified."
+echo "Run ./scripts/reassemble-archives.sh /path/to/output for whole-archive verification."