-test_rev_parse() {
- name=$1
- shift
-
- test_expect_success "$name: is-bare-repository" \
- "test '$1' = \"\$(git rev-parse --is-bare-repository)\""
- shift
- [ $# -eq 0 ] && return
-
- test_expect_success "$name: is-inside-git-dir" \
- "test '$1' = \"\$(git rev-parse --is-inside-git-dir)\""
- shift
- [ $# -eq 0 ] && return
-
- test_expect_success "$name: is-inside-work-tree" \
- "test '$1' = \"\$(git rev-parse --is-inside-work-tree)\""
- shift
- [ $# -eq 0 ] && return
-
- test_expect_success "$name: prefix" \
- "test '$1' = \"\$(git rev-parse --show-prefix)\""
- shift
- [ $# -eq 0 ] && return
-}
-
-EMPTY_TREE=$(git write-tree)
-mkdir -p work/sub/dir || exit 1
-mkdir -p work2 || exit 1
-mv .git repo.git || exit 1
-
-say "core.worktree = relative path"
-GIT_DIR=repo.git
-GIT_CONFIG="$(pwd)"/$GIT_DIR/config
-export GIT_DIR GIT_CONFIG
-unset GIT_WORK_TREE
-git config core.worktree ../work
-test_rev_parse 'outside' false false false
-cd work || exit 1
-GIT_DIR=../repo.git
-GIT_CONFIG="$(pwd)"/$GIT_DIR/config
-test_rev_parse 'inside' false false true ''
-cd sub/dir || exit 1
-GIT_DIR=../../../repo.git
-GIT_CONFIG="$(pwd)"/$GIT_DIR/config
-test_rev_parse 'subdirectory' false false true sub/dir/
-cd ../../.. || exit 1
-
-say "core.worktree = absolute path"
-GIT_DIR=$(pwd)/repo.git
-GIT_CONFIG=$GIT_DIR/config
-git config core.worktree "$(pwd)/work"
-test_rev_parse 'outside' false false false
-cd work2
-test_rev_parse 'outside2' false false false
-cd ../work || exit 1
-test_rev_parse 'inside' false false true ''
-cd sub/dir || exit 1
-test_rev_parse 'subdirectory' false false true sub/dir/
-cd ../../.. || exit 1
-
-say "GIT_WORK_TREE=relative path (override core.worktree)"
-GIT_DIR=$(pwd)/repo.git
-GIT_CONFIG=$GIT_DIR/config
-git config core.worktree non-existent
-GIT_WORK_TREE=work
-export GIT_WORK_TREE
-test_rev_parse 'outside' false false false
-cd work2
-test_rev_parse 'outside' false false false
-cd ../work || exit 1
-GIT_WORK_TREE=.
-test_rev_parse 'inside' false false true ''
-cd sub/dir || exit 1
-GIT_WORK_TREE=../..
-test_rev_parse 'subdirectory' false false true sub/dir/
-cd ../../.. || exit 1
-
-mv work repo.git/work
-mv work2 repo.git/work2
-
-say "GIT_WORK_TREE=absolute path, work tree below git dir"
-GIT_DIR=$(pwd)/repo.git
-GIT_CONFIG=$GIT_DIR/config
-GIT_WORK_TREE=$(pwd)/repo.git/work
-test_rev_parse 'outside' false false false
-cd repo.git || exit 1
-test_rev_parse 'in repo.git' false true false
-cd objects || exit 1
-test_rev_parse 'in repo.git/objects' false true false
-cd ../work2 || exit 1
-test_rev_parse 'in repo.git/work2' false true false
-cd ../work || exit 1
-test_rev_parse 'in repo.git/work' false true true ''
-cd sub/dir || exit 1
-test_rev_parse 'in repo.git/sub/dir' false true true sub/dir/
-cd ../../../.. || exit 1
-
-test_expect_success 'repo finds its work tree' '
- (cd repo.git &&
- : > work/sub/dir/untracked &&
- test sub/dir/untracked = "$(git ls-files --others)")
-'
-
-test_expect_success 'repo finds its work tree from work tree, too' '
- (cd repo.git/work/sub/dir &&
- : > tracked &&
- git --git-dir=../../.. add tracked &&
- cd ../../.. &&
- test sub/dir/tracked = "$(git ls-files)")
+test_expect_success 'setup' '
+ EMPTY_TREE=$(git write-tree) &&
+ EMPTY_BLOB=$(git hash-object -t blob --stdin </dev/null) &&
+ CHANGED_BLOB=$(echo changed | git hash-object -t blob --stdin) &&
+ ZEROES=0000000000000000000000000000000000000000 &&
+ EMPTY_BLOB7=$(echo $EMPTY_BLOB | sed "s/\(.......\).*/\1/") &&
+ CHANGED_BLOB7=$(echo $CHANGED_BLOB | sed "s/\(.......\).*/\1/") &&
+
+ mkdir -p work/sub/dir &&
+ mkdir -p work2 &&
+ mv .git repo.git
+'
+
+test_expect_success 'setup: helper for testing rev-parse' '
+ test_rev_parse() {
+ echo $1 >expected.bare &&
+ echo $2 >expected.inside-git &&
+ echo $3 >expected.inside-worktree &&
+ if test $# -ge 4
+ then
+ echo $4 >expected.prefix
+ fi &&
+
+ git rev-parse --is-bare-repository >actual.bare &&
+ git rev-parse --is-inside-git-dir >actual.inside-git &&
+ git rev-parse --is-inside-work-tree >actual.inside-worktree &&
+ if test $# -ge 4
+ then
+ git rev-parse --show-prefix >actual.prefix
+ fi &&
+
+ test_cmp expected.bare actual.bare &&
+ test_cmp expected.inside-git actual.inside-git &&
+ test_cmp expected.inside-worktree actual.inside-worktree &&
+ if test $# -ge 4
+ then
+ # rev-parse --show-prefix should output
+ # a single newline when at the top of the work tree,
+ # but we test for that separately.
+ test -z "$4" && ! test -s actual.prefix ||
+ test_cmp expected.prefix actual.prefix
+ fi
+ }
+'
+
+test_expect_success 'setup: core.worktree = relative path' '
+ unset GIT_WORK_TREE;
+ GIT_DIR=repo.git &&
+ GIT_CONFIG="$(pwd)"/$GIT_DIR/config &&
+ export GIT_DIR GIT_CONFIG &&
+ git config core.worktree ../work
+'
+
+test_expect_success 'outside' '
+ test_rev_parse false false false
+'
+
+test_expect_success 'inside work tree' '
+ (
+ cd work &&
+ GIT_DIR=../repo.git &&
+ GIT_CONFIG="$(pwd)"/$GIT_DIR/config &&
+ test_rev_parse false false true ""
+ )
+'
+
+test_expect_failure 'empty prefix is actually written out' '
+ echo >expected &&
+ (
+ cd work &&
+ GIT_DIR=../repo.git &&
+ GIT_CONFIG="$(pwd)"/$GIT_DIR/config &&
+ git rev-parse --show-prefix >../actual
+ ) &&
+ test_cmp expected actual
+'
+
+test_expect_success 'subdir of work tree' '
+ (
+ cd work/sub/dir &&
+ GIT_DIR=../../../repo.git &&
+ GIT_CONFIG="$(pwd)"/$GIT_DIR/config &&
+ test_rev_parse false false true sub/dir/
+ )
+'
+
+test_expect_success 'setup: core.worktree = absolute path' '
+ unset GIT_WORK_TREE;
+ GIT_DIR=$(pwd)/repo.git &&
+ GIT_CONFIG=$GIT_DIR/config &&
+ export GIT_DIR GIT_CONFIG &&
+ git config core.worktree "$(pwd)/work"
+'
+
+test_expect_success 'outside' '
+ test_rev_parse false false false &&
+ (
+ cd work2 &&
+ test_rev_parse false false false
+ )
+'
+
+test_expect_success 'inside work tree' '
+ (
+ cd work &&
+ test_rev_parse false false true ""
+ )
+'
+
+test_expect_success 'subdir of work tree' '
+ (
+ cd work/sub/dir &&
+ test_rev_parse false false true sub/dir/
+ )
+'
+
+test_expect_success 'setup: GIT_WORK_TREE=relative (override core.worktree)' '
+ GIT_DIR=$(pwd)/repo.git &&
+ GIT_CONFIG=$GIT_DIR/config &&
+ git config core.worktree non-existent &&
+ GIT_WORK_TREE=work &&
+ export GIT_DIR GIT_CONFIG GIT_WORK_TREE
+'
+
+test_expect_success 'outside' '
+ test_rev_parse false false false &&
+ (
+ cd work2 &&
+ test_rev_parse false false false
+ )
+'
+
+test_expect_success 'inside work tree' '
+ (
+ cd work &&
+ GIT_WORK_TREE=. &&
+ test_rev_parse false false true ""
+ )
+'
+
+test_expect_success 'subdir of work tree' '
+ (
+ cd work/sub/dir &&
+ GIT_WORK_TREE=../.. &&
+ test_rev_parse false false true sub/dir/
+ )
+'
+
+test_expect_success 'setup: GIT_WORK_TREE=absolute, below git dir' '
+ mv work repo.git/work &&
+ mv work2 repo.git/work2 &&
+ GIT_DIR=$(pwd)/repo.git &&
+ GIT_CONFIG=$GIT_DIR/config &&
+ GIT_WORK_TREE=$(pwd)/repo.git/work &&
+ export GIT_DIR GIT_CONFIG GIT_WORK_TREE
+'
+
+test_expect_success 'outside' '
+ echo outside &&
+ test_rev_parse false false false
+'
+
+test_expect_success 'in repo.git' '
+ (
+ cd repo.git &&
+ test_rev_parse false true false
+ ) &&
+ (
+ cd repo.git/objects &&
+ test_rev_parse false true false
+ ) &&
+ (
+ cd repo.git/work2 &&
+ test_rev_parse false true false
+ )
+'
+
+test_expect_success 'inside work tree' '
+ (
+ cd repo.git/work &&
+ test_rev_parse false true true ""
+ )
+'
+
+test_expect_success 'subdir of work tree' '
+ (
+ cd repo.git/work/sub/dir &&
+ test_rev_parse false true true sub/dir/
+ )
+'
+
+test_expect_success 'find work tree from repo' '
+ echo sub/dir/untracked >expected &&
+ cat <<-\EOF >repo.git/work/.gitignore &&
+ expected.*
+ actual.*
+ .gitignore
+ EOF
+ >repo.git/work/sub/dir/untracked &&
+ (
+ cd repo.git &&
+ git ls-files --others --exclude-standard >../actual
+ ) &&
+ test_cmp expected actual
+'
+
+test_expect_success 'find work tree from work tree' '
+ echo sub/dir/tracked >expected &&
+ >repo.git/work/sub/dir/tracked &&
+ (
+ cd repo.git/work/sub/dir &&
+ git --git-dir=../../.. add tracked
+ ) &&
+ (
+ cd repo.git &&
+ git ls-files >../actual
+ ) &&
+ test_cmp expected actual