test_repo 7/sub/sub "$TRASH_DIRECTORY/7/.git" "$TRASH_DIRECTORY"
'
+#
+# case #8
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is not set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #0 except that git_dir is set by .git file
+
+test_expect_success '#8: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 8 8/sub &&
+ cd 8 &&
+ git init &&
+ mv .git ../8.git &&
+ echo gitdir: ../8.git >.git &&
+ cd ..
+'
+
+test_expect_success '#8: at root' '
+ cat >8/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/8.git
+setup: worktree: $TRASH_DIRECTORY/8
+setup: cwd: $TRASH_DIRECTORY/8
+setup: prefix: (null)
+EOF
+ test_repo 8
+'
+
+test_expect_success '#8: in subdir' '
+ cat >8/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/8.git
+setup: worktree: $TRASH_DIRECTORY/8
+setup: cwd: $TRASH_DIRECTORY/8
+setup: prefix: sub/
+EOF
+ test_repo 8/sub
+'
+
+#
+# case #9
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is not set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #1 except that git_dir is set by .git file
+
+test_expect_success '#9: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 9 9/sub 9.wt 9.wt/sub 9/wt 9/wt/sub &&
+ cd 9 &&
+ git init &&
+ mv .git ../9.git &&
+ echo gitdir: ../9.git >.git &&
+ GIT_WORK_TREE=non-existent &&
+ export GIT_WORK_TREE &&
+ cd ..
+'
+
+test_expect_failure '#9: at root' '
+ cat >9/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/9.git
+setup: worktree: $TRASH_DIRECTORY/9
+setup: cwd: $TRASH_DIRECTORY/9
+setup: prefix: (null)
+EOF
+ test_repo 9
+'
+
+test_expect_failure '#9: in subdir' '
+ cat >9/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/9.git
+setup: worktree: $TRASH_DIRECTORY/9
+setup: cwd: $TRASH_DIRECTORY/9
+setup: prefix: sub/
+EOF
+ test_repo 9/sub
+'
+
+#
+# case #10
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #2 except that git_dir is set by .git file
+
+test_expect_success '#10: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 10 10/sub &&
+ cd 10 &&
+ git init &&
+ mv .git ../10.git &&
+ echo gitdir: ../10.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#10: at root' '
+ cat >10/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/10.git
+setup: worktree: $TRASH_DIRECTORY/10
+setup: cwd: $TRASH_DIRECTORY/10
+setup: prefix: (null)
+EOF
+ test_repo 10 "$TRASH_DIRECTORY/10/.git"
+'
+
+test_expect_failure '#10: in subdir' '
+ cat >10/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/10.git
+setup: worktree: $TRASH_DIRECTORY/10/sub
+setup: cwd: $TRASH_DIRECTORY/10/sub
+setup: prefix: (null)
+EOF
+ test_repo 10/sub "$TRASH_DIRECTORY/10/.git"
+'
+
+test_expect_failure '#10: relative GIT_DIR at root' '
+ cat >10/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/10.git
+setup: worktree: $TRASH_DIRECTORY/10
+setup: cwd: $TRASH_DIRECTORY/10
+setup: prefix: (null)
+EOF
+ test_repo 10 .git
+'
+
+test_expect_failure '#10: relative GIT_DIR in subdir' '
+ cat >10/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/10.git
+setup: worktree: $TRASH_DIRECTORY/10/sub
+setup: cwd: $TRASH_DIRECTORY/10/sub
+setup: prefix: (null)
+EOF
+ test_repo 10/sub ../.git
+'
+
+#
+# case #11
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #3 except that git_dir is set by .git file
+
+test_expect_success '#11: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 11 11/sub 11/sub/sub 11.wt 11.wt/sub 11/wt 11/wt/sub &&
+ cd 11 &&
+ git init &&
+ mv .git ../11.git &&
+ echo gitdir: ../11.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=root at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 .git "$TRASH_DIRECTORY/11"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=root(rel) at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 .git .
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=root at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 "$TRASH_DIRECTORY/11/.git" "$TRASH_DIRECTORY/11"
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=root(rel) at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 "$TRASH_DIRECTORY/11/.git" .
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORKTREE=root in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: sub/sub/
+EOF
+ test_repo 11/sub/sub ../../.git "$TRASH_DIRECTORY/11"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORKTREE=root(rel) in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: sub/sub/
+EOF
+ test_repo 11/sub/sub ../../.git ../..
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORKTREE=root in subdir' '
+ cat >11/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: sub/
+EOF
+ test_repo 11/sub "$TRASH_DIRECTORY/11/.git" "$TRASH_DIRECTORY/11"
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORKTREE=root(rel) in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: sub/sub/
+EOF
+ test_repo 11/sub/sub "$TRASH_DIRECTORY/11/.git" ../..
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=wt at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 .git "$TRASH_DIRECTORY/11/wt"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 .git wt
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=wt(rel) at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 "$TRASH_DIRECTORY/11/.git" wt
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=wt at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11
+setup: prefix: (null)
+EOF
+ test_repo 11 "$TRASH_DIRECTORY/11/.git" "$TRASH_DIRECTORY/11/wt"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=wt in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 11/sub/sub ../../.git "$TRASH_DIRECTORY/11/wt"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 11/sub/sub ../../.git ../../wt
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 11/sub/sub "$TRASH_DIRECTORY/11/.git" ../../wt
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=wt in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY/11/wt
+setup: cwd: $TRASH_DIRECTORY/11/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 11/sub/sub "$TRASH_DIRECTORY/11/.git" "$TRASH_DIRECTORY/11/wt"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=.. at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/
+EOF
+ test_repo 11 .git "$TRASH_DIRECTORY"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=..(rel) at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/
+EOF
+ test_repo 11 .git ..
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=..(rel) at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/
+EOF
+ test_repo 11 "$TRASH_DIRECTORY/11/.git" ..
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=.. at root' '
+ cat >11/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/
+EOF
+ test_repo 11 "$TRASH_DIRECTORY/11/.git" "$TRASH_DIRECTORY"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=.. in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/sub/sub/
+EOF
+ test_repo 11/sub/sub ../../.git "$TRASH_DIRECTORY"
+'
+
+test_expect_failure '#11: GIT_DIR(rel), GIT_WORK_TREE=..(rel) in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/sub/sub/
+EOF
+ test_repo 11/sub/sub ../../.git ../../..
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=..(rel) in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/sub/sub/
+EOF
+ test_repo 11/sub/sub "$TRASH_DIRECTORY/11/.git" ../../../
+'
+
+test_expect_failure '#11: GIT_DIR, GIT_WORK_TREE=.. in subdir' '
+ cat >11/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/11.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 11/sub/sub/
+EOF
+ test_repo 11/sub/sub "$TRASH_DIRECTORY/11/.git" "$TRASH_DIRECTORY"
+'
+
+#
+# case #12
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #4 except that git_dir is set by .git file
+
+
+test_expect_success '#12: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 12 12/sub 12/sub/sub 12.wt 12.wt/sub 12/wt 12/wt/sub &&
+ cd 12 &&
+ git init &&
+ git config core.worktree non-existent &&
+ mv .git ../12.git &&
+ echo gitdir: ../12.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#12: at root' '
+ cat >12/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/12.git
+setup: worktree: $TRASH_DIRECTORY/12
+setup: cwd: $TRASH_DIRECTORY/12
+setup: prefix: (null)
+EOF
+ test_repo 12
+'
+
+test_expect_failure '#12: in subdir' '
+ cat >12/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/12.git
+setup: worktree: $TRASH_DIRECTORY/12
+setup: cwd: $TRASH_DIRECTORY/12
+setup: prefix: sub/
+EOF
+ test_repo 12/sub
+'
+
+#
+# case #13
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #5 except that git_dir is set by .git file
+
+test_expect_success '#13: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 13 13/sub 13/sub/sub 13.wt 13.wt/sub 13/wt 13/wt/sub &&
+ cd 13 &&
+ git init &&
+ git config core.worktree non-existent &&
+ GIT_WORK_TREE=non-existent-too &&
+ export GIT_WORK_TREE &&
+ mv .git ../13.git &&
+ echo gitdir: ../13.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#13: at root' '
+ cat >13/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/13.git
+setup: worktree: $TRASH_DIRECTORY/13
+setup: cwd: $TRASH_DIRECTORY/13
+setup: prefix: (null)
+EOF
+ test_repo 13
+'
+
+test_expect_failure '#13: in subdir' '
+ cat >13/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/13.git
+setup: worktree: $TRASH_DIRECTORY/13
+setup: cwd: $TRASH_DIRECTORY/13
+setup: prefix: sub/
+EOF
+ test_repo 13/sub
+'
+
test_done