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git/t/t1510-repo-setup.sh

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#!/bin/sh
test_description='Tests of cwd/prefix/worktree/gitdir setup in all cases'
. ./test-lib.sh
#
# A few rules for repo setup:
#
# 1. GIT_DIR is relative to user's cwd. --git-dir is equivalent to
# GIT_DIR.
#
# 2. .git file is relative to parent directory. .git file is basically
# symlink in disguise. The directory where .git file points to will
# become new git_dir.
#
# 3. core.worktree is relative to git_dir.
#
# 4. GIT_WORK_TREE is relative to user's cwd. --work-tree is
# equivalent to GIT_WORK_TREE.
#
# 5. GIT_WORK_TREE/core.worktree is only effective if GIT_DIR is set
# Uneffective worktree settings should be warned.
#
# 6. Effective GIT_WORK_TREE overrides core.worktree and core.bare
#
# 7. Effective core.worktree conflicts with core.bare
#
# 8. If GIT_DIR is set but neither worktree nor bare setting is given,
# original cwd becomes worktree.
#
# 9. If .git discovery is done inside a repo, the repo becomes a bare
# repo. .git discovery is performed if GIT_DIR is not set.
#
# 10. If no worktree is available, cwd remains unchanged, prefix is
# NULL.
#
# 11. When user's cwd is outside worktree, cwd remains unchanged,
# prefix is NULL.
#
test_repo() {
(
cd "$1" &&
if test -n "$2"; then GIT_DIR="$2" && export GIT_DIR; fi &&
if test -n "$3"; then GIT_WORK_TREE="$3" && export GIT_WORK_TREE; fi &&
rm -f trace &&
GIT_TRACE="`pwd`/trace" git symbolic-ref HEAD >/dev/null &&
grep '^setup: ' trace >result &&
test_cmp expected result
)
}
# Bit 0 = GIT_WORK_TREE
# Bit 1 = GIT_DIR
# Bit 2 = core.worktree
# Bit 3 = .git is a file
# Bit 4 = bare repo
# Case# = encoding of the above 5 bits
#
# Case #0
#
############################################################
#
# Input:
#
# - GIT_WORK_TREE is not set
# - GIT_DIR is not set
# - core.worktree is not set
# - .git is a directory
# - core.bare is not set, cwd is outside .git
#
# Output:
#
# - worktree is .git's parent directory
# - cwd is at worktree root dir
# - prefix is calculated
# - git_dir is set to ".git"
# - cwd can't be outside worktree
test_expect_success '#0: setup' '
unset GIT_DIR GIT_WORK_TREE &&
mkdir 0 0/sub &&
cd 0 && git init && cd ..
'
test_expect_success '#0: at root' '
cat >0/expected <<EOF &&
setup: git_dir: .git
setup: worktree: $TRASH_DIRECTORY/0
setup: cwd: $TRASH_DIRECTORY/0
setup: prefix: (null)
EOF
test_repo 0
'
test_expect_success '#0: in subdir' '
cat >0/sub/expected <<EOF &&
setup: git_dir: .git
setup: worktree: $TRASH_DIRECTORY/0
setup: cwd: $TRASH_DIRECTORY/0
setup: prefix: sub/
EOF
test_repo 0/sub
'
#
# case #1
#
############################################################
#
# Input:
#
# - GIT_WORK_TREE is set
# - GIT_DIR is not set
# - core.worktree is not set
# - .git is a directory
# - core.bare is not set, cwd is outside .git
#
# Output:
#
# GIT_WORK_TREE is ignored -> #0
test_expect_success '#1: setup' '
unset GIT_DIR GIT_WORK_TREE &&
mkdir 1 1/sub 1.wt 1.wt/sub 1/wt 1/wt/sub &&
cd 1 &&
git init &&
GIT_WORK_TREE=non-existent &&
export GIT_WORK_TREE &&
cd ..
'
test_expect_failure '#1: at root' '
cat >1/expected <<EOF &&
setup: git_dir: .git
setup: worktree: $TRASH_DIRECTORY/1
setup: cwd: $TRASH_DIRECTORY/1
setup: prefix: (null)
EOF
test_repo 1
'
test_expect_failure '#1: in subdir' '
cat >1/sub/expected <<EOF &&
setup: git_dir: .git
setup: worktree: $TRASH_DIRECTORY/1
setup: cwd: $TRASH_DIRECTORY/1
setup: prefix: sub/
EOF
test_repo 1/sub
'
#
# case #2
#
############################################################
#
# Input:
#
# - GIT_WORK_TREE is not 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 at original cwd
# - cwd is unchanged
# - prefix is NULL
# - git_dir is set to $GIT_DIR
# - cwd can't be outside worktree
test_expect_success '#2: setup' '
unset GIT_DIR GIT_WORK_TREE &&
mkdir 2 2/sub &&
cd 2 && git init && cd ..
'
test_expect_success '#2: at root' '
cat >2/expected <<EOF &&
setup: git_dir: $TRASH_DIRECTORY/2/.git
setup: worktree: $TRASH_DIRECTORY/2
setup: cwd: $TRASH_DIRECTORY/2
setup: prefix: (null)
EOF
test_repo 2 "$TRASH_DIRECTORY/2/.git"
'
test_expect_success '#2: in subdir' '
cat >2/sub/expected <<EOF &&
setup: git_dir: $TRASH_DIRECTORY/2/.git
setup: worktree: $TRASH_DIRECTORY/2/sub
setup: cwd: $TRASH_DIRECTORY/2/sub
setup: prefix: (null)
EOF
test_repo 2/sub "$TRASH_DIRECTORY/2/.git"
'
test_expect_success '#2: relative GIT_DIR at root' '
cat >2/expected <<EOF &&
setup: git_dir: .git
setup: worktree: $TRASH_DIRECTORY/2
setup: cwd: $TRASH_DIRECTORY/2
setup: prefix: (null)
EOF
test_repo 2 .git
'
test_expect_success '#2: relative GIT_DIR in subdir' '
cat >2/sub/expected <<EOF &&
setup: git_dir: ../.git
setup: worktree: $TRASH_DIRECTORY/2/sub
setup: cwd: $TRASH_DIRECTORY/2/sub
setup: prefix: (null)
EOF
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