dsh 0.2.0-rc.2: in-container update (experimental channel), path-agnostic compose, upstream patches adapted to 0.1.x/0.2.x

upstream/scripts/bump-environment.sh

@@ -0,0 +1,65 @@
+#!/bin/sh
+
+set -eu
+
+if [ "$#" -ne 1 ]; then
+  echo 'usage: bump-environment.sh <new-environment-version>' >&2
+  exit 64
+fi
+
+script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+repository_root=$(CDPATH= cd -- "$script_dir/.." && pwd)
+definition="$repository_root/container/environment/definition.json"
+target="$repository_root/release/supported-target.json"
+contract="$repository_root/container/platform/tools/supported-target.mjs"
+library="$repository_root/container/platform/lib/supported-target.mjs"
+new_version=$1
+
+node "$contract" validate "$target" "$definition" >/dev/null
+current_version=$(jq -er '.version' "$definition")
+comparison=$(node --input-type=module - "$library" "$new_version" "$current_version" <<'EOF'
+import { pathToFileURL } from 'node:url'
+
+const [libraryPath, nextVersion, currentVersion] = process.argv.slice(2)
+const { compareSemanticVersions } = await import(pathToFileURL(libraryPath).href)
+process.stdout.write(String(compareSemanticVersions(
+  nextVersion,
+  currentVersion,
+  'new Environment version',
+  'current Environment version',
+)))
+EOF
+)
+
+if [ "$comparison" -lt 0 ]; then
+  echo 'new Environment version would roll back the current version' >&2
+  exit 1
+fi
+if [ "$comparison" -eq 0 ]; then
+  jq -cn --arg version "$current_version" '{changed:false,version:$version}'
+  exit 0
+fi
+
+definition_tmp=$(mktemp "${definition}.XXXXXX.tmp")
+target_tmp=$(mktemp "${target}.XXXXXX.tmp")
+cleanup() {
+  rm -f "$definition_tmp" "$target_tmp"
+}
+trap cleanup EXIT HUP INT TERM
+
+jq --arg version "$new_version" '.version = $version' "$definition" > "$definition_tmp"
+jq --arg version "$new_version" '.environment = $version' "$target" > "$target_tmp"
+chmod --reference="$definition" "$definition_tmp"
+chmod --reference="$target" "$target_tmp"
+node "$contract" validate "$target_tmp" "$definition_tmp" >/dev/null
+
+mv "$definition_tmp" "$definition"
+mv "$target_tmp" "$target"
+sync -f "$definition"
+sync -f "$target"
+trap - EXIT HUP INT TERM
+
+jq -cn \
+  --arg previousVersion "$current_version" \
+  --arg version "$new_version" \
+  '{changed:true,previousVersion:$previousVersion,version:$version}'