test_repo 21/sub
'
+#
+# case #22.1
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is set
+# - core.worktree is set
+# - .git is a directory
+# - cwd is inside .git
+#
+# Output:
+#
+# bare attribute is ignored
+#
+# - worktree is at core.worktree
+# - cwd is at worktree root
+# - prefix is calculated
+# - git_dir is at $GIT_DIR
+# - cwd can be outside worktree
+
+test_expect_success '#22.1: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 22 &&
+ cd 22 &&
+ git init &&
+ mkdir .git/sub .git/wt .git/wt/sub &&
+ cd ..
+'
+
+test_expect_success '#22.1: GIT_DIR(rel), core.worktree=. at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git" &&
+ test_repo 22/.git .
+'
+
+test_expect_success '#22.1: GIT_DIR(rel), core.worktree=.(rel) at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree . &&
+ test_repo 22/.git .
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=. at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git" &&
+ test_repo 22/.git "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=.(rel) at root' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree . &&
+ test_repo 22/.git "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_failure '#22.1: GIT_DIR(rel), core.worktree=. in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git" &&
+ test_repo 22/.git/sub ..
+'
+
+test_expect_failure '#22.1: GIT_DIR(rel), core.worktree=.(rel) in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree . &&
+ test_repo 22/.git/sub/ ..
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=. in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git" &&
+ test_repo 22/.git/sub "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=.(rel) in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree . &&
+ test_repo 22/.git/sub "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR(rel), core.worktree=wt at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git/wt" &&
+ test_repo 22/.git .
+'
+
+test_expect_success '#22.1: GIT_DIR(rel), core.worktree=wt(rel) at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree wt &&
+ test_repo 22/.git .
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=wt(rel) at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree wt &&
+ test_repo 22/.git "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=wt at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git/wt" &&
+ test_repo 22/.git "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR(rel), core.worktree=wt in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: ..
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git/sub
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git/wt" &&
+ test_repo 22/.git/sub ..
+'
+
+test_expect_success '#22.1: GIT_DIR(rel), core.worktree=wt(rel) in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: ..
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git/sub
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree wt &&
+ test_repo 22/.git/sub ..
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=wt(rel) in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git/sub
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree wt &&
+ test_repo 22/.git/sub "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=wt in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22/.git/wt
+setup: cwd: $TRASH_DIRECTORY/22/.git/sub
+setup: prefix: (null)
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22/.git/wt" &&
+ test_repo 22/.git/sub "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_failure '#22.1: GIT_DIR(rel), core.worktree=.. at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22" &&
+ test_repo 22/.git .
+'
+
+test_expect_failure '#22.1: GIT_DIR(rel), core.worktree=..(rel) at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree .. &&
+ test_repo 22/.git .
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=..(rel) at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree .. &&
+ test_repo 22/.git "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=.. at .git' '
+ cat >22/.git/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22" &&
+ test_repo 22/.git "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_failure '#22.1: GIT_DIR(rel), core.worktree=.. in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22" &&
+ test_repo 22/.git/sub ..
+'
+
+test_expect_failure '#22.1: GIT_DIR(rel), core.worktree=..(rel) in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree .. &&
+ test_repo 22/.git/sub ..
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=..(rel) in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree .. &&
+ test_repo 22/.git/sub "$TRASH_DIRECTORY/22/.git"
+'
+
+test_expect_success '#22.1: GIT_DIR, core.worktree=.. in .git/sub' '
+ cat >22/.git/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/22/.git
+setup: worktree: $TRASH_DIRECTORY/22
+setup: cwd: $TRASH_DIRECTORY/22
+setup: prefix: .git/sub/
+EOF
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.worktree "$TRASH_DIRECTORY/22" &&
+ test_repo 22/.git/sub "$TRASH_DIRECTORY/22/.git"
+'
+
+#
+# case #22.2
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is set
+# - core.worktree is set
+# - .git is a directory
+# - core.bare is set
+#
+# Output:
+#
+# core.worktree and core.bare conflict, won't fly.
+
+test_expect_success '#22.2: setup' '
+ git config --file="$TRASH_DIRECTORY/22/.git/config" core.bare true
+'
+
+test_expect_failure '#22.2: at .git' '
+ (
+ cd 22/.git &&
+ GIT_DIR=. &&
+ export GIT_DIR &&
+ test_must_fail git symbolic-ref HEAD 2>result &&
+ grep "core.bare and core.worktree do not make sense" result
+ )
+'
+
+test_expect_failure '#22.2: at root' '
+ (
+ cd 22 &&
+ GIT_DIR=.git &&
+ export GIT_DIR &&
+ test_must_fail git symbolic-ref HEAD 2>result &&
+ grep "core.bare and core.worktree do not make sense" result
+ )
+'
+
+#
+# case #23
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is set
+# - core.worktree is set
+# - .git is a directory
+# - core.bare is set
+#
+# Output:
+#
+# core.worktree is overridden by GIT_WORK_TREE -> #19
+
+test_expect_success '#23: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 23 23/sub 23/sub/sub 23.wt 23.wt/sub 23/wt 23/wt/sub &&
+ cd 23 &&
+ git init &&
+ git config core.bare true &&
+ git config core.worktree non-existent &&
+ cd ..
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=root at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 .git "$TRASH_DIRECTORY/23"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=root(rel) at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 .git .
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=root at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 "$TRASH_DIRECTORY/23/.git" "$TRASH_DIRECTORY/23"
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=root(rel) at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 "$TRASH_DIRECTORY/23/.git" .
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORKTREE=root in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: sub/sub/
+EOF
+ test_repo 23/sub/sub ../../.git "$TRASH_DIRECTORY/23"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORKTREE=root(rel) in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: sub/sub/
+EOF
+ test_repo 23/sub/sub ../../.git ../..
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORKTREE=root in subdir' '
+ cat >23/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: sub/
+EOF
+ test_repo 23/sub "$TRASH_DIRECTORY/23/.git" "$TRASH_DIRECTORY/23"
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORKTREE=root(rel) in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: sub/sub/
+EOF
+ test_repo 23/sub/sub "$TRASH_DIRECTORY/23/.git" ../..
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=wt at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 .git "$TRASH_DIRECTORY/23/wt"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 .git wt
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=wt(rel) at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 "$TRASH_DIRECTORY/23/.git" wt
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=wt at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23
+setup: prefix: (null)
+EOF
+ test_repo 23 "$TRASH_DIRECTORY/23/.git" "$TRASH_DIRECTORY/23/wt"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=wt in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: ../../.git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 23/sub/sub ../../.git "$TRASH_DIRECTORY/23/wt"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: ../../.git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 23/sub/sub ../../.git ../../wt
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 23/sub/sub "$TRASH_DIRECTORY/23/.git" ../../wt
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=wt in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY/23/wt
+setup: cwd: $TRASH_DIRECTORY/23/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 23/sub/sub "$TRASH_DIRECTORY/23/.git" "$TRASH_DIRECTORY/23/wt"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=.. at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/
+EOF
+ test_repo 23 .git "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=..(rel) at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/
+EOF
+ test_repo 23 .git ..
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=..(rel) at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/
+EOF
+ test_repo 23 "$TRASH_DIRECTORY/23/.git" ..
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=.. at root' '
+ cat >23/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/
+EOF
+ test_repo 23 "$TRASH_DIRECTORY/23/.git" "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=.. in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/sub/sub/
+EOF
+ test_repo 23/sub/sub ../../.git "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#23: GIT_DIR(rel), GIT_WORK_TREE=..(rel) in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/sub/sub/
+EOF
+ test_repo 23/sub/sub ../../.git ../../..
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=..(rel) in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/sub/sub/
+EOF
+ test_repo 23/sub/sub "$TRASH_DIRECTORY/23/.git" ../../../
+'
+
+test_expect_success '#23: GIT_DIR, GIT_WORK_TREE=.. in subdir' '
+ cat >23/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/23/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 23/sub/sub/
+EOF
+ test_repo 23/sub/sub "$TRASH_DIRECTORY/23/.git" "$TRASH_DIRECTORY"
+'
+
+#
+# case #24
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is not set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is set
+#
+# Output:
+#
+# #16.2 except git_dir is set according to .git file
+
+test_expect_success '#24: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 24 24/sub &&
+ cd 24 &&
+ git init &&
+ git config core.bare true &&
+ mv .git ../24.git &&
+ echo gitdir: ../24.git >.git &&
+ cd ..
+'
+
+test_expect_success '#24: at root' '
+ cat >24/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/24.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/24
+setup: prefix: (null)
+EOF
+ test_repo 24
+'
+
+test_expect_success '#24: in subdir' '
+ cat >24/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/24.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/24/sub
+setup: prefix: (null)
+EOF
+ test_repo 24/sub
+'
+
+#
+# case #25
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is not set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is set
+#
+# Output:
+#
+# #17.2 except git_dir is set according to .git file
+
+test_expect_success '#25: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 25 25/sub &&
+ cd 25 &&
+ git init &&
+ git config core.bare true &&
+ GIT_WORK_TREE=non-existent &&
+ export GIT_WORK_TREE &&
+ mv .git ../25.git &&
+ echo gitdir: ../25.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#25: at root' '
+ cat >25/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/25.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/25
+setup: prefix: (null)
+EOF
+ test_repo 25
+'
+
+test_expect_failure '#25: in subdir' '
+ cat >25/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/25.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/25/sub
+setup: prefix: (null)
+EOF
+ test_repo 25/sub
+'
+
+#
+# case #26
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is set
+# - core.worktree is not set
+# - .git is a file
+# - core.bare is set
+#
+# Output:
+#
+# #18 except git_dir is set according to .git file
+
+test_expect_success '#26: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 26 26/sub &&
+ cd 26 &&
+ git init &&
+ git config core.bare true &&
+ mv .git ../26.git &&
+ echo gitdir: ../26.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#26: (rel) at root' '
+ cat >26/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/26.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/26
+setup: prefix: (null)
+EOF
+ test_repo 26 .git
+'
+
+test_expect_failure '#26: at root' '
+ cat >26/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/26.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/26
+setup: prefix: (null)
+EOF
+ test_repo 26 "$TRASH_DIRECTORY/26/.git"
+'
+
+test_expect_failure '#26: (rel) in subdir' '
+ cat >26/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/26.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/26/sub
+setup: prefix: (null)
+EOF
+ test_repo 26/sub ../.git
+'
+
+test_expect_failure '#26: in subdir' '
+ cat >26/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/26.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/26/sub
+setup: prefix: (null)
+EOF
+ test_repo 26/sub "$TRASH_DIRECTORY/26/.git"
+'
+
+#
+# case #27
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is set
+# - .git is a file
+# - core.worktree is not set
+# - core.bare is set
+#
+# Output:
+#
+# #19 except git_dir is set according to .git file
+
+test_expect_success '#27: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 27 27/sub 27/sub/sub 27.wt 27.wt/sub 27/wt 27/wt/sub &&
+ cd 27 &&
+ git init &&
+ git config core.bare true &&
+ mv .git ../27.git &&
+ echo gitdir: ../27.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=root at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 .git "$TRASH_DIRECTORY/27"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=root(rel) at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 .git .
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=root at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 "$TRASH_DIRECTORY/27/.git" "$TRASH_DIRECTORY/27"
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=root(rel) at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 "$TRASH_DIRECTORY/27/.git" .
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORKTREE=root in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: sub/sub/
+EOF
+ test_repo 27/sub/sub ../../.git "$TRASH_DIRECTORY/27"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORKTREE=root(rel) in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: sub/sub/
+EOF
+ test_repo 27/sub/sub ../../.git ../..
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORKTREE=root in subdir' '
+ cat >27/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: sub/
+EOF
+ test_repo 27/sub "$TRASH_DIRECTORY/27/.git" "$TRASH_DIRECTORY/27"
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORKTREE=root(rel) in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: sub/sub/
+EOF
+ test_repo 27/sub/sub "$TRASH_DIRECTORY/27/.git" ../..
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=wt at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 .git "$TRASH_DIRECTORY/27/wt"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 .git wt
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=wt(rel) at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 "$TRASH_DIRECTORY/27/.git" wt
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=wt at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27
+setup: prefix: (null)
+EOF
+ test_repo 27 "$TRASH_DIRECTORY/27/.git" "$TRASH_DIRECTORY/27/wt"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=wt in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 27/sub/sub ../../.git "$TRASH_DIRECTORY/27/wt"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 27/sub/sub ../../.git ../../wt
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 27/sub/sub "$TRASH_DIRECTORY/27/.git" ../../wt
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=wt in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY/27/wt
+setup: cwd: $TRASH_DIRECTORY/27/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 27/sub/sub "$TRASH_DIRECTORY/27/.git" "$TRASH_DIRECTORY/27/wt"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=.. at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/
+EOF
+ test_repo 27 .git "$TRASH_DIRECTORY"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=..(rel) at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/
+EOF
+ test_repo 27 .git ..
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=..(rel) at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/
+EOF
+ test_repo 27 "$TRASH_DIRECTORY/27/.git" ..
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=.. at root' '
+ cat >27/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/
+EOF
+ test_repo 27 "$TRASH_DIRECTORY/27/.git" "$TRASH_DIRECTORY"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=.. in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/sub/sub/
+EOF
+ test_repo 27/sub/sub ../../.git "$TRASH_DIRECTORY"
+'
+
+test_expect_failure '#27: GIT_DIR(rel), GIT_WORK_TREE=..(rel) in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/sub/sub/
+EOF
+ test_repo 27/sub/sub ../../.git ../../..
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=..(rel) in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/sub/sub/
+EOF
+ test_repo 27/sub/sub "$TRASH_DIRECTORY/27/.git" ../../../
+'
+
+test_expect_failure '#27: GIT_DIR, GIT_WORK_TREE=.. in subdir' '
+ cat >27/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/27.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 27/sub/sub/
+EOF
+ test_repo 27/sub/sub "$TRASH_DIRECTORY/27/.git" "$TRASH_DIRECTORY"
+'
+
test_done