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git/t/t7063-status-untracked-cache.sh
David Turner edf3b90553 unpack-trees: preserve index extensions 
Make git checkout (and other unpack_tree operations) preserve the
untracked cache. This is valuable for two reasons:

1. Often, an unpack_tree operation will not touch large parts of the
working tree, and thus most of the untracked cache will continue to be
valid.

2. Even if the untracked cache were entirely invalidated by such an
operation, the user has signaled their intention to have such a cache,
and we don't want to throw it away.

[jes: backed out the watchman-specific parts]

Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-20 18:26:45 +09:00

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#!/bin/sh
test_description='test untracked cache'
. ./test-lib.sh
# On some filesystems (e.g. FreeBSD's ext2 and ufs) directory mtime
# is updated lazily after contents in the directory changes, which
# forces the untracked cache code to take the slow path. A test
# that wants to make sure that the fast path works correctly should
# call this helper to make mtime of the containing directory in sync
# with the reality before checking the fast path behaviour.
#
# See <20160803174522.5571-1-pclouds@gmail.com> if you want to know
# more.
sync_mtime () {
find . -type d -ls >/dev/null
}
avoid_racy() {
sleep 1
}
test_lazy_prereq UNTRACKED_CACHE '
{ git update-index --test-untracked-cache; ret=$?; } &&
test $ret -ne 1
'
if ! test_have_prereq UNTRACKED_CACHE; then
skip_all='This system does not support untracked cache'
test_done
fi
test_expect_success 'core.untrackedCache is unset' '
test_must_fail git config --get core.untrackedCache
'
test_expect_success 'setup' '
git init worktree &&
cd worktree &&
mkdir done dtwo dthree &&
touch one two three done/one dtwo/two dthree/three &&
git add one two done/one &&
: >.git/info/exclude &&
git update-index --untracked-cache
'
test_expect_success 'untracked cache is empty' '
test-dump-untracked-cache >../actual &&
cat >../expect-empty <<EOF &&
info/exclude 0000000000000000000000000000000000000000
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
EOF
test_cmp ../expect-empty ../actual
'
cat >../status.expect <<EOF &&
A done/one
A one
A two
?? dthree/
?? dtwo/
?? three
EOF
cat >../dump.expect <<EOF &&
info/exclude $EMPTY_BLOB
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ 0000000000000000000000000000000000000000 recurse valid
dthree/
dtwo/
three
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
three
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_expect_success 'status first time (empty cache)' '
avoid_racy &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 3
gitignore invalidation: 1
directory invalidation: 0
opendir: 4
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'untracked cache after first status' '
test-dump-untracked-cache >../actual &&
test_cmp ../dump.expect ../actual
'
test_expect_success 'status second time (fully populated cache)' '
avoid_racy &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 0
opendir: 0
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'untracked cache after second status' '
test-dump-untracked-cache >../actual &&
test_cmp ../dump.expect ../actual
'
test_expect_success 'modify in root directory, one dir invalidation' '
avoid_racy &&
: >four &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
cat >../status.expect <<EOF &&
A done/one
A one
A two
?? dthree/
?? dtwo/
?? four
?? three
EOF
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 1
opendir: 1
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'verify untracked cache dump' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude $EMPTY_BLOB
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ 0000000000000000000000000000000000000000 recurse valid
dthree/
dtwo/
four
three
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
three
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'new .gitignore invalidates recursively' '
avoid_racy &&
echo four >.gitignore &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
cat >../status.expect <<EOF &&
A done/one
A one
A two
?? .gitignore
?? dthree/
?? dtwo/
?? three
EOF
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 1
directory invalidation: 1
opendir: 4
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'verify untracked cache dump' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude $EMPTY_BLOB
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dthree/
dtwo/
three
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
three
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'new info/exclude invalidates everything' '
avoid_racy &&
echo three >>.git/info/exclude &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
cat >../status.expect <<EOF &&
A done/one
A one
A two
?? .gitignore
?? dtwo/
EOF
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 1
directory invalidation: 0
opendir: 4
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'verify untracked cache dump' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dtwo/
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'move two from tracked to untracked' '
git rm --cached two &&
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'status after the move' '
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
cat >../status.expect <<EOF &&
A done/one
A one
?? .gitignore
?? dtwo/
?? two
EOF
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 0
opendir: 1
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'verify untracked cache dump' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dtwo/
two
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'move two from untracked to tracked' '
git add two &&
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'status after the move' '
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
cat >../status.expect <<EOF &&
A done/one
A one
A two
?? .gitignore
?? dtwo/
EOF
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 0
opendir: 1
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'verify untracked cache dump' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dtwo/
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'set up for sparse checkout testing' '
echo two >done/.gitignore &&
echo three >>done/.gitignore &&
echo two >done/two &&
git add -f done/two done/.gitignore &&
git commit -m "first commit"
'
test_expect_success 'status after commit' '
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../actual &&
cat >../status.expect <<EOF &&
?? .gitignore
?? dtwo/
EOF
test_cmp ../status.expect ../actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 0
opendir: 2
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'untracked cache correct after commit' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dtwo/
/done/ 0000000000000000000000000000000000000000 recurse valid
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'set up sparse checkout' '
echo "done/[a-z]*" >.git/info/sparse-checkout &&
test_config core.sparsecheckout true &&
git checkout master &&
git update-index --force-untracked-cache &&
git status --porcelain >/dev/null && # prime the cache
test_path_is_missing done/.gitignore &&
test_path_is_file done/one
'
test_expect_success 'create/modify files, some of which are gitignored' '
echo two bis >done/two &&
echo three >done/three && # three is gitignored
echo four >done/four && # four is gitignored at a higher level
echo five >done/five && # five is not gitignored
echo test >base && #we need to ensure that the root dir is touched
rm base &&
sync_mtime
'
test_expect_success 'test sparse status with untracked cache' '
: >../trace &&
avoid_racy &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../status.actual &&
cat >../status.expect <<EOF &&
M done/two
?? .gitignore
?? done/five
?? dtwo/
EOF
test_cmp ../status.expect ../status.actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 1
directory invalidation: 2
opendir: 2
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'untracked cache correct after status' '
test-dump-untracked-cache >../actual &&
cat >../expect <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dtwo/
/done/ 1946f0437f90c5005533cbe1736a6451ca301714 recurse valid
five
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect ../actual
'
test_expect_success 'test sparse status again with untracked cache' '
avoid_racy &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../status.actual &&
cat >../status.expect <<EOF &&
M done/two
?? .gitignore
?? done/five
?? dtwo/
EOF
test_cmp ../status.expect ../status.actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 0
opendir: 0
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'set up for test of subdir and sparse checkouts' '
mkdir done/sub &&
mkdir done/sub/sub &&
echo "sub" > done/sub/sub/file
'
test_expect_success 'test sparse status with untracked cache and subdir' '
avoid_racy &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../status.actual &&
cat >../status.expect <<EOF &&
M done/two
?? .gitignore
?? done/five
?? done/sub/
?? dtwo/
EOF
test_cmp ../status.expect ../status.actual &&
cat >../trace.expect <<EOF &&
node creation: 2
gitignore invalidation: 0
directory invalidation: 1
opendir: 3
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'verify untracked cache dump (sparse/subdirs)' '
test-dump-untracked-cache >../actual &&
cat >../expect-from-test-dump <<EOF &&
info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
core.excludesfile 0000000000000000000000000000000000000000
exclude_per_dir .gitignore
flags 00000006
/ e6fcc8f2ee31bae321d66afd183fcb7237afae6e recurse valid
.gitignore
dtwo/
/done/ 1946f0437f90c5005533cbe1736a6451ca301714 recurse valid
five
sub/
/done/sub/ 0000000000000000000000000000000000000000 recurse check_only valid
sub/
/done/sub/sub/ 0000000000000000000000000000000000000000 recurse check_only valid
file
/dthree/ 0000000000000000000000000000000000000000 recurse check_only valid
/dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
two
EOF
test_cmp ../expect-from-test-dump ../actual
'
test_expect_success 'test sparse status again with untracked cache and subdir' '
avoid_racy &&
: >../trace &&
GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \
git status --porcelain >../status.actual &&
test_cmp ../status.expect ../status.actual &&
cat >../trace.expect <<EOF &&
node creation: 0
gitignore invalidation: 0
directory invalidation: 0
opendir: 0
EOF
test_cmp ../trace.expect ../trace
'
test_expect_success 'move entry in subdir from untracked to cached' '
git add dtwo/two &&
git status --porcelain >../status.actual &&
cat >../status.expect <<EOF &&
M done/two
A dtwo/two
?? .gitignore
?? done/five
?? done/sub/
EOF
test_cmp ../status.expect ../status.actual
'
test_expect_success 'move entry in subdir from cached to untracked' '
git rm --cached dtwo/two &&
git status --porcelain >../status.actual &&
cat >../status.expect <<EOF &&
M done/two
?? .gitignore
?? done/five
?? done/sub/
?? dtwo/
EOF
test_cmp ../status.expect ../status.actual
'
test_expect_success '--no-untracked-cache removes the cache' '
git update-index --no-untracked-cache &&
test-dump-untracked-cache >../actual &&
echo "no untracked cache" >../expect-no-uc &&
test_cmp ../expect-no-uc ../actual
'
test_expect_success 'git status does not change anything' '
git status &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-no-uc ../actual
'
test_expect_success 'setting core.untrackedCache to true and using git status creates the cache' '
git config core.untrackedCache true &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-no-uc ../actual &&
git status &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-from-test-dump ../actual
'
test_expect_success 'using --no-untracked-cache does not fail when core.untrackedCache is true' '
git update-index --no-untracked-cache &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-no-uc ../actual &&
git update-index --untracked-cache &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-empty ../actual
'
test_expect_success 'setting core.untrackedCache to false and using git status removes the cache' '
git config core.untrackedCache false &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-empty ../actual &&
git status &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-no-uc ../actual
'
test_expect_success 'using --untracked-cache does not fail when core.untrackedCache is false' '
git update-index --untracked-cache &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-empty ../actual
'
test_expect_success 'setting core.untrackedCache to keep' '
git config core.untrackedCache keep &&
git update-index --untracked-cache &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-empty ../actual &&
git status &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-from-test-dump ../actual &&
git update-index --no-untracked-cache &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-no-uc ../actual &&
git update-index --force-untracked-cache &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-empty ../actual &&
git status &&
test-dump-untracked-cache >../actual &&
test_cmp ../expect-from-test-dump ../actual
'
test_expect_success 'test ident field is working' '
mkdir ../other_worktree &&
cp -R done dthree dtwo four three ../other_worktree &&
GIT_WORK_TREE=../other_worktree git status 2>../err &&
echo "warning: Untracked cache is disabled on this system or location." >../expect &&
test_i18ncmp ../expect ../err
'
test_expect_success 'untracked cache survives a checkout' '
git commit --allow-empty -m empty &&
test-dump-untracked-cache >../before &&
test_when_finished "git checkout master" &&
git checkout -b other_branch &&
test-dump-untracked-cache >../after &&
test_cmp ../before ../after &&
test_commit test &&
test-dump-untracked-cache >../before &&
git checkout master &&
test-dump-untracked-cache >../after &&
test_cmp ../before ../after
'
test_expect_success 'untracked cache survives a commit' '
test-dump-untracked-cache >../before &&
git add done/two &&
git commit -m commit &&
test-dump-untracked-cache >../after &&
test_cmp ../before ../after
'
test_done
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