test "$prompt" = "Launch 'test-tool' [Y/n]? branch"
}
+test_expect_success 'basic usage requires no repo' '
+ test_expect_code 129 git difftool -h >output &&
+ test_i18ngrep ^usage: output &&
+ # create a ceiling directory to prevent Git from finding a repo
+ mkdir -p not/repo &&
+ test_when_finished rm -r not &&
+ test_expect_code 129 \
+ env GIT_CEILING_DIRECTORIES="$(pwd)/not" \
+ git -C not/repo difftool -h >output &&
+ test_i18ngrep ^usage: output
+'
+
# Create a file on master and change it on branch
test_expect_success 'setup' '
echo master >file &&
test_expect_success 'difftool.<tool>.path' '
test_config difftool.tkdiff.path echo &&
git difftool --tool=tkdiff --no-prompt branch >output &&
- lines=$(grep file output | wc -l) &&
- test "$lines" -eq 1
+ grep file output >grep-output &&
+ test_line_count = 1 grep-output
'
test_expect_success 'difftool --extcmd=cat' '
git commit -m "modified both"
'
+test_expect_success 'difftool -d with growing paths' '
+ a=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
+ git init growing &&
+ (
+ cd growing &&
+ echo "test -f \"\$2/b\"" | write_script .git/test-for-b.sh &&
+ one=$(printf 1 | git hash-object -w --stdin) &&
+ two=$(printf 2 | git hash-object -w --stdin) &&
+ git update-index --add \
+ --cacheinfo 100644,$one,$a --cacheinfo 100644,$two,b &&
+ tree1=$(git write-tree) &&
+ git update-index --add \
+ --cacheinfo 100644,$two,$a --cacheinfo 100644,$one,b &&
+ tree2=$(git write-tree) &&
+ git checkout -- $a &&
+ git difftool -d --extcmd .git/test-for-b.sh $tree1 $tree2
+ )
+'
+
run_dir_diff_test () {
test_expect_success "$1 --no-symlinks" "
symlinks=--no-symlinks &&
git difftool --dir-diff $symlinks --extcmd ls branch >output &&
# "sub" must only exist in "right"
# "file" and "file2" must be listed in both "left" and "right"
- test "1" = $(grep sub output | wc -l) &&
- test "2" = $(grep file"$" output | wc -l) &&
- test "2" = $(grep file2 output | wc -l)
+ grep sub output >sub-output &&
+ test_line_count = 1 sub-output &&
+ grep file"$" output >file-output &&
+ test_line_count = 2 file-output &&
+ grep file2 output >file2-output &&
+ test_line_count = 2 file2-output
)
'
git difftool --dir-diff $symlinks --extcmd ls v1 >output &&
# "sub" and "file" exist in both v1 and HEAD.
# "file2" is unchanged.
- test "2" = $(grep sub output | wc -l) &&
- test "2" = $(grep file output | wc -l) &&
- test "0" = $(grep file2 output | wc -l)
+ grep sub output >sub-output &&
+ test_line_count = 2 sub-output &&
+ grep file output >file-output &&
+ test_line_count = 2 file-output &&
+ ! grep file2 output
)
'
git difftool --dir-diff $symlinks --extcmd ls branch -- .>output &&
# "sub" only exists in "right"
# "file" and "file2" must not be listed
- test "1" = $(grep sub output | wc -l) &&
- test "0" = $(grep file output | wc -l)
+ grep sub output >sub-output &&
+ test_line_count = 1 sub-output &&
+ ! grep file output
)
'
git difftool --dir-diff $symlinks --extcmd ls v1 -- .>output &&
# "sub" exists in v1 and HEAD
# "file" is filtered out by the pathspec
- test "2" = $(grep sub output | wc -l) &&
- test "0" = $(grep file output | wc -l)
+ grep sub output >sub-output &&
+ test_line_count = 2 sub-output &&
+ ! grep file output
)
'
'
test_expect_success 'difftool properly honors gitlink and core.worktree' '
+ test_when_finished rm -rf submod/ule &&
git submodule add ./. submod/ule &&
test_config -C submod/ule diff.tool checktrees &&
test_config -C submod/ule difftool.checktrees.cmd '\''
cd submod/ule &&
echo good >expect &&
git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
- test_cmp expect actual
+ test_cmp expect actual &&
+ rm -f expect actual
)
'
test_expect_success SYMLINKS 'difftool --dir-diff symlinked directories' '
+ test_when_finished git reset --hard &&
git init dirlinks &&
(
cd dirlinks &&
)
'
+test_expect_success SYMLINKS 'difftool --dir-diff handles modified symlinks' '
+ test_when_finished git reset --hard &&
+ touch b &&
+ ln -s b c &&
+ git add b c &&
+ test_tick &&
+ git commit -m initial &&
+ touch d &&
+ rm c &&
+ ln -s d c &&
+ cat >expect <<-EOF &&
+ b
+ c
+
+ c
+ EOF
+ git difftool --symlinks --dir-diff --extcmd ls >output &&
+ grep -v ^/ output >actual &&
+ test_cmp expect actual &&
+
+ git difftool --no-symlinks --dir-diff --extcmd ls >output &&
+ grep -v ^/ output >actual &&
+ test_cmp expect actual &&
+
+ # The left side contains symlink "c" that points to "b"
+ test_config difftool.cat.cmd "cat \$LOCAL/c" &&
+ printf "%s\n" b >expect &&
+
+ git difftool --symlinks --dir-diff --tool cat >actual &&
+ test_cmp expect actual &&
+
+ git difftool --symlinks --no-symlinks --dir-diff --tool cat >actual &&
+ test_cmp expect actual &&
+
+ # The right side contains symlink "c" that points to "d"
+ test_config difftool.cat.cmd "cat \$REMOTE/c" &&
+ printf "%s\n" d >expect &&
+
+ git difftool --symlinks --dir-diff --tool cat >actual &&
+ test_cmp expect actual &&
+
+ git difftool --no-symlinks --dir-diff --tool cat >actual &&
+ test_cmp expect actual &&
+
+ # Deleted symlinks
+ rm -f c &&
+ cat >expect <<-EOF &&
+ b
+ c
+
+ EOF
+ git difftool --symlinks --dir-diff --extcmd ls >output &&
+ grep -v ^/ output >actual &&
+ test_cmp expect actual &&
+
+ git difftool --no-symlinks --dir-diff --extcmd ls >output &&
+ grep -v ^/ output >actual &&
+ test_cmp expect actual
+'
+
test_done