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diff --git a/t/t1510-repo-setup.sh b/t/t1510-repo-setup.sh
index a828b0355b496d8435d558f21b6198c991116708..79959f6dc56b1a616503248ad5366e1dde5ac887 100755 (executable)
--- a/t/t1510-repo-setup.sh
+++ b/t/t1510-repo-setup.sh
@@ -2560,4 +2560,1180 @@ EOF
test_repo 18/sub "$TRASH_DIRECTORY/18/.git"
'
+#
+# case #19
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is set
+# - .git is a directory
+# - core.worktree is not set
+# - core.bare is set
+#
+# Output:
+#
+# bare repo is overridden by GIT_WORK_TREE -> #3
+
+test_expect_success '#19: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 19 19/sub 19/sub/sub 19.wt 19.wt/sub 19/wt 19/wt/sub &&
+ cd 19 &&
+ git init &&
+ git config core.bare true &&
+ cd ..
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=root at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 .git "$TRASH_DIRECTORY/19"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=root(rel) at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 .git .
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=root at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 "$TRASH_DIRECTORY/19/.git" "$TRASH_DIRECTORY/19"
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=root(rel) at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 "$TRASH_DIRECTORY/19/.git" .
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORKTREE=root in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: sub/sub/
+EOF
+ test_repo 19/sub/sub ../../.git "$TRASH_DIRECTORY/19"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORKTREE=root(rel) in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: sub/sub/
+EOF
+ test_repo 19/sub/sub ../../.git ../..
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORKTREE=root in subdir' '
+ cat >19/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: sub/
+EOF
+ test_repo 19/sub "$TRASH_DIRECTORY/19/.git" "$TRASH_DIRECTORY/19"
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORKTREE=root(rel) in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: sub/sub/
+EOF
+ test_repo 19/sub/sub "$TRASH_DIRECTORY/19/.git" ../..
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=wt at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 .git "$TRASH_DIRECTORY/19/wt"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 .git wt
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=wt(rel) at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 "$TRASH_DIRECTORY/19/.git" wt
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=wt at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19
+setup: prefix: (null)
+EOF
+ test_repo 19 "$TRASH_DIRECTORY/19/.git" "$TRASH_DIRECTORY/19/wt"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=wt in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: ../../.git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 19/sub/sub ../../.git "$TRASH_DIRECTORY/19/wt"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: ../../.git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 19/sub/sub ../../.git ../../wt
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=wt(rel) in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 19/sub/sub "$TRASH_DIRECTORY/19/.git" ../../wt
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=wt in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY/19/wt
+setup: cwd: $TRASH_DIRECTORY/19/sub/sub
+setup: prefix: (null)
+EOF
+ test_repo 19/sub/sub "$TRASH_DIRECTORY/19/.git" "$TRASH_DIRECTORY/19/wt"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=.. at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/
+EOF
+ test_repo 19 .git "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=..(rel) at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/
+EOF
+ test_repo 19 .git ..
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=..(rel) at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/
+EOF
+ test_repo 19 "$TRASH_DIRECTORY/19/.git" ..
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=.. at root' '
+ cat >19/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/
+EOF
+ test_repo 19 "$TRASH_DIRECTORY/19/.git" "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=.. in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/sub/sub/
+EOF
+ test_repo 19/sub/sub ../../.git "$TRASH_DIRECTORY"
+'
+
+test_expect_success '#19: GIT_DIR(rel), GIT_WORK_TREE=..(rel) in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/sub/sub/
+EOF
+ test_repo 19/sub/sub ../../.git ../../..
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=..(rel) in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/sub/sub/
+EOF
+ test_repo 19/sub/sub "$TRASH_DIRECTORY/19/.git" ../../../
+'
+
+test_expect_success '#19: GIT_DIR, GIT_WORK_TREE=.. in subdir' '
+ cat >19/sub/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/19/.git
+setup: worktree: $TRASH_DIRECTORY
+setup: cwd: $TRASH_DIRECTORY
+setup: prefix: 19/sub/sub/
+EOF
+ test_repo 19/sub/sub "$TRASH_DIRECTORY/19/.git" "$TRASH_DIRECTORY"
+'
+
+#
+# case #20.1
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a directory
+# - cwd is inside .git
+#
+# Output:
+#
+# core.worktree is ignored -> #16.1
+
+test_expect_success '#20.1: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 20 20/sub &&
+ cd 20 &&
+ git init &&
+ git config core.worktree non-existent &&
+ mkdir .git/wt .git/wt/sub &&
+ cd ..
+'
+
+test_expect_failure '#20.1: at .git' '
+ cat >20/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/.git
+setup: prefix: (null)
+EOF
+ test_repo 20/.git
+'
+
+test_expect_failure '#20.1: in .git/wt' '
+ cat >20/.git/wt/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/20/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/.git/wt
+setup: prefix: (null)
+EOF
+ test_repo 20/.git/wt
+'
+
+test_expect_failure '#20.1: in .git/wt/sub' '
+ cat >20/.git/wt/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/20/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/.git/wt/sub
+setup: prefix: (null)
+EOF
+ test_repo 20/.git/wt/sub
+'
+
+#
+# case #20.2
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is not set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a directory
+# - core.bare is set
+#
+# Output:
+#
+# core.worktree is ignored -> #16.2
+
+test_expect_success '#20.2: setup' '
+ git config --file="$TRASH_DIRECTORY/20/.git/config" core.bare true
+'
+
+test_expect_success '#20.2: at .git' '
+ cat >20/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/.git
+setup: prefix: (null)
+EOF
+ test_repo 20/.git
+'
+
+test_expect_success '#20.2: in .git/wt' '
+ cat >20/.git/wt/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/20/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/.git/wt
+setup: prefix: (null)
+EOF
+ test_repo 20/.git/wt
+'
+
+test_expect_success '#20.2: in .git/wt/sub' '
+ cat >20/.git/wt/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/20/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/.git/wt/sub
+setup: prefix: (null)
+EOF
+ test_repo 20/.git/wt/sub
+'
+
+test_expect_success '#20.2: at root' '
+ cat >20/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20
+setup: prefix: (null)
+EOF
+ test_repo 20
+'
+
+test_expect_failure '#20.2: in subdir' '
+ cat >20/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/20/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/20/sub
+setup: prefix: (null)
+EOF
+ test_repo 20/sub
+'
+
+#
+# case #21.1
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a directory
+# - cwd is inside .git
+#
+# Output:
+#
+# GIT_WORK_TREE/core.worktree are ignored -> #20.1
+
+test_expect_success '#21.1: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 21 21/sub &&
+ cd 21 &&
+ git init &&
+ git config core.worktree non-existent &&
+ GIT_WORK_TREE=non-existent-too &&
+ export GIT_WORK_TREE &&
+ mkdir .git/wt .git/wt/sub &&
+ cd ..
+'
+
+test_expect_failure '#21.1: at .git' '
+ cat >21/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/.git
+setup: prefix: (null)
+EOF
+ test_repo 21/.git
+'
+
+test_expect_failure '#21.1: in .git/wt' '
+ cat >21/.git/wt/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/21/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/.git/wt
+setup: prefix: (null)
+EOF
+ test_repo 21/.git/wt
+'
+
+test_expect_failure '#21.1: in .git/wt/sub' '
+ cat >21/.git/wt/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/21/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/.git/wt/sub
+setup: prefix: (null)
+EOF
+ test_repo 21/.git/wt/sub
+'
+
+#
+# case #21.2
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a directory
+# - core.bare is set
+#
+# Output:
+#
+# GIT_WORK_TREE/core.worktree are ignored -> #20.2
+
+test_expect_success '#21.2: setup' '
+ git config --file="$TRASH_DIRECTORY/21/.git/config" core.bare true
+'
+
+test_expect_failure '#21.2: at .git' '
+ cat >21/.git/expected <<EOF &&
+setup: git_dir: .
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/.git
+setup: prefix: (null)
+EOF
+ test_repo 21/.git
+'
+
+test_expect_failure '#21.2: in .git/wt' '
+ cat >21/.git/wt/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/21/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/.git/wt
+setup: prefix: (null)
+EOF
+ test_repo 21/.git/wt
+'
+
+test_expect_failure '#21.2: in .git/wt/sub' '
+ cat >21/.git/wt/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/21/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/.git/wt/sub
+setup: prefix: (null)
+EOF
+ test_repo 21/.git/wt/sub
+'
+
+test_expect_failure '#21.2: at root' '
+ cat >21/expected <<EOF &&
+setup: git_dir: .git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21
+setup: prefix: (null)
+EOF
+ test_repo 21
+'
+
+test_expect_failure '#21.2: in subdir' '
+ cat >21/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/21/.git
+setup: worktree: (null)
+setup: cwd: $TRASH_DIRECTORY/21/sub
+setup: prefix: (null)
+EOF
+ 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
+'
+
test_done