adopt-project.py says adoption verified when a submodule the plan keeps in a leg has a url that names no repository (a relative url that resolves alike from the source and the leg, or an absolute one), so the recursive clone its NEXT: line prints fails; nothing asks whether the url answers #418

SHAPE=<openRepoShape checkout>
export GIT_AUTHOR_NAME=T GIT_AUTHOR_EMAIL=t@example.invalid GIT_COMMITTER_NAME=T GIT_COMMITTER_EMAIL=t@example.invalid
TMP=$(mktemp -d); mkdir -p "$TMP/gh/testorg" "$TMP/bin"
# GitHub with no network: every https://github.com/ url is a bare repository under $TMP/gh,
# and a stub `gh` makes one for `gh repo create` and answers the rest
printf '[url "%s/gh/"]\n\tinsteadOf = https://github.com/\n' "$TMP" > "$TMP/gitconfig"
export GIT_CONFIG_GLOBAL="$TMP/gitconfig" GIT_ALLOW_PROTOCOL=file PATH="$TMP/bin:$PATH"
cat > "$TMP/bin/gh" <<EOF
#!/bin/sh
case "\$1 \$2" in
  "repo create") git init -q --bare -b main "$TMP/gh/\$3.git" && echo "https://github.com/\$3";;
  "pr create") echo "https://github.com/testorg/Northwind/pull/1";;
  "repo edit") ;;
  *) exit 1;;
esac
EOF
chmod +x "$TMP/bin/gh"
git init -q -b main "$TMP/dep" && (cd "$TMP/dep" && echo dep > value.txt && git add -A && git commit -qm dep)
git init -q -b main "$TMP/Northwind" && cd "$TMP/Northwind" || exit 1
mkdir src docs && printf 'print(1)\n' > src/app.py && printf '# Spec\n' > docs/spec.md
printf '# Northwind\n' > README.md && git add -A && git commit -qm init
git submodule add -q "$TMP/dep" vendor/lib
git config -f .gitmodules submodule.vendor/lib.url ../missing && git add .gitmodules
git commit -qm 'vendor/lib from ../missing'
git clone -q --bare . "$TMP/gh/testorg/Northwind.git" && git remote add origin https://github.com/testorg/Northwind.git
git fetch -q origin && git remote set-head origin main
git clone -q --recurse-submodules https://github.com/testorg/Northwind.git "$TMP/source-clone" > /dev/null 2>&1
echo "the source's own recursive clone: exit $?"
python3 "$SHAPE/adopt-project.py" plan --source "$TMP/Northwind" --project Northwind --org testorg \
    --elected-by 'T H' --elected-on 2026-09-02 --out "$TMP/plan.yaml" >/dev/null
sed -i 's/^    leg: null$/    leg: code\n    resolution: "the vendored library is code"/' "$TMP/plan.yaml"   # GNU sed
python3 "$SHAPE/adopt-project.py" check --plan "$TMP/plan.yaml" > "$TMP/check" 2>&1
echo "check exit $?: $(grep -o -m1 -E '^plan ok|^FINDING [a-z-]*' "$TMP/check")"
grep '^NOTE `check` resolved' "$TMP/check"
python3 "$SHAPE/adopt-project.py" execute --plan "$TMP/plan.yaml" --yes --work-dir "$TMP/work" > "$TMP/exec" 2>&1
echo "execute exit $?: $(grep -o -m1 -E '^adoption verified|^REFUSED [a-z-]*' "$TMP/exec")"
git clone -q --recurse-submodules -b adopt/three-repo-shape https://github.com/testorg/Northwind.git "$TMP/assembly" > "$TMP/clone" 2>&1
echo "the assembly's recursive clone: exit $?"; grep -m1 '^fatal: clone of' "$TMP/clone" | sed "s#$TMP#<T>#g"

SHAPE=<openRepoShape checkout>
export GIT_AUTHOR_NAME=T GIT_AUTHOR_EMAIL=t@example.invalid GIT_COMMITTER_NAME=T GIT_COMMITTER_EMAIL=t@example.invalid
SUB="git -c protocol.file.allow=always"
for kind in relative absolute; do
  TMP=$(mktemp -d); mkdir "$TMP/remotes"
  git init -q -b main "$TMP/dep" && (cd "$TMP/dep" && echo dep > value.txt && git add -A && git commit -qm dep)
  git init -q -b main "$TMP/Thing" && cd "$TMP/Thing" || exit 1
  mkdir src docs && printf 'print(1)\n' > src/app.py && printf '# Spec\n' > docs/spec.md
  printf '# Thing\n' > README.md && git add -A && git commit -qm init
  $SUB submodule add -q "$TMP/dep" vendor/lib
  # the source's remote sits where the legs will be made, so `../missing` names the same
  # place from the source and from either leg: a repository that is not there
  git init -q --bare -b main "$TMP/remotes/Thing.git" && git remote add origin "$TMP/remotes/Thing.git"
  if [ $kind = relative ]; then url=../missing; else url="$TMP/nowhere.git"; fi
  git config -f .gitmodules submodule.vendor/lib.url "$url" && git add .gitmodules
  git commit -qm "vendor/lib from $url" && git push -q origin main
  echo "== $kind url: $(git config -f .gitmodules submodule.vendor/lib.url | sed "s#$TMP#<T>#")"
  $SUB clone -q --recurse-submodules "$TMP/remotes/Thing.git" "$TMP/source-clone" > /dev/null 2>&1
  echo "the source's own recursive clone: exit $?"
  python3 "$SHAPE/adopt-project.py" plan --source "$TMP/Thing" --project Northwind --org testorg \
      --elected-by 'T H' --elected-on 2026-09-02 --out "$TMP/plan.yaml" >/dev/null
  sed -i 's/^    leg: null$/    leg: code\n    resolution: "the vendored library is code"/' "$TMP/plan.yaml"   # GNU sed
  python3 "$SHAPE/adopt-project.py" check --plan "$TMP/plan.yaml" > "$TMP/check" 2>&1
  echo "check exit $?: $(grep -o -m1 -E '^plan ok|^FINDING [a-z-]*' "$TMP/check")"
  python3 "$SHAPE/adopt-project.py" execute --plan "$TMP/plan.yaml" --yes \
      --local-remote-dir "$TMP/remotes" --work-dir "$TMP/work" > "$TMP/exec" 2>&1
  echo "execute exit $?: $(grep -o -m1 -E '^adoption verified|^REFUSED [a-z-]*' "$TMP/exec")"
  $SUB clone -q --recurse-submodules -b adopt/three-repo-shape "$TMP/Thing" "$TMP/assembly" > "$TMP/clone" 2>&1
  echo "the assembly's recursive clone: exit $?"; grep -m2 fatal "$TMP/clone" | sed "s#$TMP#<T>#g"
done