stgit-test-bug-151-clone-filter-blob-none.sh

#!/bin/bash -e
rm -rf repo*

ROOT_DIR="$(pwd)"
mkdir repo-origin

export GIT_PAGER=cat

( 
  cd repo-origin

  mkdir 1
  touch 1/a
  touch 1/b
  touch 1/c

  mkdir 2
  touch 2/a
  touch 2/b
  touch 2/c

  git init 

  git add -A
  git commit -m "INIT"
  git config core.repositoryformatversion 1

  echo "## Repo Version:"
  git config core.repositoryformatversion
)

( 
  git clone ${ROOT_DIR}/repo-origin --filter=blob:none --single-branch --no-tags repo-parent 
  cd repo-parent

  echo "## Repo Version:"
  git config core.repositoryformatversion

  git worktree add --no-checkout -b sparse-main ${ROOT_DIR}/repo-worktree HEAD
)

(
  cd repo-worktree

  echo "## Repo Version:"
  git config core.repositoryformatversion

  git branch --set-upstream-to=origin main

  echo "## Test: Worktree Extension is not setup"
  test $( git config -l | grep -q worktree ; echo $? ) == 1

  git sparse-checkout init --cone

  echo "## Test: Worktree Config is available"
  test -n $(git config -l --worktree | grep "cone")

  echo "## Test: Worktree Extension is setup"
  test $( git config -l | grep -q worktree ; echo $? ) == 0

  git sparse-checkout add 1
  git sparse-checkout reapply

  git reset --hard
  git status

  find . -type f

  stg init || ( echo "FAIL" && false )

  echo "OK"
)

stgit-test-bug-151-SHA256.sh

#!/bin/bash -e
rm -rf repo*

ROOT_DIR="$(pwd)"
mkdir repo-origin

export GIT_PAGER=cat

( 
  cd repo-origin

  mkdir 1
  touch 1/a
  touch 1/b
  touch 1/c

  mkdir 2
  touch 2/a
  touch 2/b
  touch 2/c

  # This one is the killer.
  #
  # if object format is not set to sha256 then repositoryformatversion gets set to 0
  # otherwise if we do set it to SHA256 the repositoryformatversion gets set to 1 
  # and all of the clones of this repo inherit this setting.
  #
  # https://github.com/git/git/blob/63bba4fdd86d80ef061c449daa97a981a9be0792/builtin/init-db.c#L173-L181
  # ```
  #   int repo_version = GIT_REPO_VERSION;
  #
  #   if (hash_algo != GIT_HASH_SHA1)
  #     repo_version = GIT_REPO_VERSION_READ;

  #   /* This forces creation of new config file */
  # 	xsnprintf(repo_version_string, sizeof(repo_version_string),
  #     "%d", repo_version);
  # 	git_config_set("core.repositoryformatversion", repo_version_string);
  # ```
  #
  # https://github.com/git/git/blob/6c8e4ee870332d11e4bba84901654b355a9ff016/cache.h#L1135-L1141
  # ```
  # define GIT_REPO_VERSION 0
  # define GIT_REPO_VERSION_READ 1
  # ```

  git init --object-format sha256

  git add -A
  git commit -m "INIT"

  echo "## Repo Version:"
  git config core.repositoryformatversion
)

( 
  git clone ${ROOT_DIR}/repo-origin --single-branch --no-tags repo-parent
  cd repo-parent

  echo "## Repo Version:"
  git config core.repositoryformatversion

  git worktree add --no-checkout -b sparse-main ${ROOT_DIR}/repo-worktree HEAD
)

(
  cd repo-worktree

  echo "## Repo Version:"
  git config core.repositoryformatversion

  git branch --set-upstream-to=origin main

  echo "## Test: Worktree Extension is not setup"
  test $( git config -l | grep -q worktree ; echo $? ) == 1

  git sparse-checkout init --cone

  echo "## Test: Worktree Config is available"
  test -n $(git config -l --worktree | grep "cone")

  echo "## Test: Worktree Extension is setup"
  test $( git config -l | grep -q worktree ; echo $? ) == 0

  git sparse-checkout add 1
  git sparse-checkout reapply

  git reset --hard
  git status

  find . -type f

  stg init || ( echo "FAIL" && false )

  echo "OK"
)