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git/t/t2200-add-update.sh
Johannes Sixt 889c6f0e4d tests: use test_ln_s_add to remove SYMLINKS prerequisite (trivial cases)
There are many instances where the treatment of symbolic links in the
object model and the algorithms are tested, but where it is not
necessary to actually have a symbolic link in the worktree. Make
adjustments to the tests and remove the SYMLINKS prerequisite when
appropriate in trivial cases, where "trivial" means:

- merely a replacement of 'ln -s a b && git add b' by test_ln_s_add
  is needed;

- a test for symbolic link on the file system can be split off (and
  remains protected by SYMLINKS);

- existing code is equivalent to test_ln_s_add.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07 15:01:45 -07:00

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#!/bin/sh
test_description='git add -u
This test creates a working tree state with three files:
top (previously committed, modified)
dir/sub (previously committed, modified)
dir/other (untracked)
and issues a git add -u with path limiting on "dir" to add
only the updates to dir/sub.
Also tested are "git add -u" without limiting, and "git add -u"
without contents changes, and other conditions'
. ./test-lib.sh
test_expect_success setup '
echo initial >check &&
echo initial >top &&
echo initial >foo &&
mkdir dir1 dir2 &&
echo initial >dir1/sub1 &&
echo initial >dir1/sub2 &&
echo initial >dir2/sub3 &&
git add check dir1 dir2 top foo &&
test_tick &&
git commit -m initial &&
echo changed >check &&
echo changed >top &&
echo changed >dir2/sub3 &&
rm -f dir1/sub1 &&
echo other >dir2/other
'
test_expect_success update '
git add -u dir1 dir2
'
test_expect_success 'update noticed a removal' '
test "$(git ls-files dir1/sub1)" = ""
'
test_expect_success 'update touched correct path' '
test "$(git diff-files --name-status dir2/sub3)" = ""
'
test_expect_success 'update did not touch other tracked files' '
test "$(git diff-files --name-status check)" = "M check" &&
test "$(git diff-files --name-status top)" = "M top"
'
test_expect_success 'update did not touch untracked files' '
test "$(git ls-files dir2/other)" = ""
'
test_expect_success 'cache tree has not been corrupted' '
git ls-files -s |
sed -e "s/ 0 / /" >expect &&
git ls-tree -r $(git write-tree) |
sed -e "s/ blob / /" >current &&
test_cmp expect current
'
test_expect_success 'update from a subdirectory' '
(
cd dir1 &&
echo more >sub2 &&
git add -u sub2
)
'
test_expect_success 'change gets noticed' '
test "$(git diff-files --name-status dir1)" = ""
'
# Note that this is scheduled to change in Git 2.0, when
# "git add -u" will become full-tree by default.
test_expect_success 'non-limited update in subdir leaves root alone' '
(
cd dir1 &&
echo even more >>sub2 &&
git add -u
) &&
cat >expect <<-\EOF &&
check
top
EOF
git diff-files --name-only >actual &&
test_cmp expect actual
'
test_expect_success 'replace a file with a symlink' '
rm foo &&
test_ln_s_add top foo
'
test_expect_success 'add everything changed' '
git add -u &&
test -z "$(git diff-files)"
'
test_expect_success 'touch and then add -u' '
touch check &&
git add -u &&
test -z "$(git diff-files)"
'
test_expect_success 'touch and then add explicitly' '
touch check &&
git add check &&
test -z "$(git diff-files)"
'
test_expect_success 'add -n -u should not add but just report' '
(
echo "add '\''check'\''" &&
echo "remove '\''top'\''"
) >expect &&
before=$(git ls-files -s check top) &&
echo changed >>check &&
rm -f top &&
git add -n -u >actual &&
after=$(git ls-files -s check top) &&
test "$before" = "$after" &&
test_i18ncmp expect actual
'
test_expect_success 'add -u resolves unmerged paths' '
git reset --hard &&
one=$(echo 1 | git hash-object -w --stdin) &&
two=$(echo 2 | git hash-object -w --stdin) &&
three=$(echo 3 | git hash-object -w --stdin) &&
{
for path in path1 path2
do
echo "100644 $one 1 $path"
echo "100644 $two 2 $path"
echo "100644 $three 3 $path"
done
echo "100644 $one 1 path3"
echo "100644 $one 1 path4"
echo "100644 $one 3 path5"
echo "100644 $one 3 path6"
} |
git update-index --index-info &&
echo 3 >path1 &&
echo 2 >path3 &&
echo 2 >path5 &&
# Fail to explicitly resolve removed paths with "git add"
test_must_fail git add --no-all path4 &&
test_must_fail git add --no-all path6 &&
# "add -u" should notice removals no matter what stages
# the index entries are in.
git add -u &&
git ls-files -s path1 path2 path3 path4 path5 path6 >actual &&
{
echo "100644 $three 0 path1"
echo "100644 $two 0 path3"
echo "100644 $two 0 path5"
} >expect &&
test_cmp expect actual
'
test_expect_success '"add -u non-existent" should fail' '
test_must_fail git add -u non-existent &&
! (git ls-files | grep "non-existent")
'
test_done