test_repo 2/sub ../.git
'
+#
+# case #3
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is set
+# - core.worktree is not set
+# - .git is a directory
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# - worktree is set to $GIT_WORK_TREE
+# - cwd is at worktree root
+# - prefix is calculated
+# - git_dir is set to $GIT_DIR
+# - cwd can be outside worktree
+
+test_expect_success '#3: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 3 3/sub 3/sub/sub 3.wt 3.wt/sub 3/wt 3/wt/sub &&
+ cd 3 && git init && cd ..
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=root at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 .git "$TRASH_DIRECTORY/3"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=root(rel) at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 .git .
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=root at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 "$TRASH_DIRECTORY/3/.git" "$TRASH_DIRECTORY/3"
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=root(rel) at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 "$TRASH_DIRECTORY/3/.git" .
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORKTREE=root in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: sub/sub/
+EOF
+ test_repo 3/sub/sub ../../.git "$TRASH_DIRECTORY/3"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORKTREE=root(rel) in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: sub/sub/
+EOF
+ test_repo 3/sub/sub ../../.git ../..
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORKTREE=root in subdir' '
+ cat >3/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: sub/
+EOF
+ test_repo 3/sub "$TRASH_DIRECTORY/3/.git" "$TRASH_DIRECTORY/3"
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORKTREE=root(rel) in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: sub/sub/
+EOF
+ test_repo 3/sub/sub "$TRASH_DIRECTORY/3/.git" ../..
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=wt at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 .git "$TRASH_DIRECTORY/3/wt"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 .git wt
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=wt(rel) at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 "$TRASH_DIRECTORY/3/.git" wt
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=wt at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3
+setup: prefix: (null)
+EOF
+ test_repo 3 "$TRASH_DIRECTORY/3/.git" "$TRASH_DIRECTORY/3/wt"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=wt in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: ../../.git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 3/sub/sub ../../.git "$TRASH_DIRECTORY/3/wt"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: ../../.git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 3/sub/sub ../../.git ../../wt
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 3/sub/sub "$TRASH_DIRECTORY/3/.git" ../../wt
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=wt in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY/3/wt
+setup: cwd: $TRASH_DIRECTORY/3/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 3/sub/sub "$TRASH_DIRECTORY/3/.git" "$TRASH_DIRECTORY/3/wt"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=.. at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/
+EOF
+ test_repo 3 .git "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=..(rel) at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/
+EOF
+ test_repo 3 .git ..
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=..(rel) at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/
+EOF
+ test_repo 3 "$TRASH_DIRECTORY/3/.git" ..
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=.. at root' '
+ cat >3/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/
+EOF
+ test_repo 3 "$TRASH_DIRECTORY/3/.git" "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=.. in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/sub/sub/
+EOF
+ test_repo 3/sub/sub ../../.git "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#3: GIT_DIR(rel), GIT_WORK_TREE=..(rel) in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/sub/sub/
+EOF
+ test_repo 3/sub/sub ../../.git ../../..
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=..(rel) in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/sub/sub/
+EOF
+ test_repo 3/sub/sub "$TRASH_DIRECTORY/3/.git" ../../../
+'
+
+test_expect_success '#3: GIT_DIR, GIT_WORK_TREE=.. in subdir' '
+ cat >3/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/3/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 3/sub/sub/
+EOF
+ test_repo 3/sub/sub "$TRASH_DIRECTORY/3/.git" "$TRASH_DIRECTORY"
+'
+
test_done