Entries added by "git add -N" are reminder for the user so that they
don't forget to add them before committing. These entries appear in
the index even though they are not real. Their presence in the index
leads to a confusing "git status" like this:
On branch master
Changes to be committed:
new file: foo
Changes not staged for commit:
modified: foo
If you do a "git commit", "foo" will not be included even though
"status" reports it as "to be committed". This patch changes the
output to become
On branch master
Changes not staged for commit:
new file: foo
no changes added to commit
The two hunks in diff-lib.c adjust "diff-index" and "diff-files" so
that i-t-a entries appear as new files in diff-files and nothing in
diff-index.
Due to this change, diff-files may start to report "new files" for the
first time. "add -u" needs to be told about this or it will die in
denial, screaming "new files can't exist! Reality is wrong." Luckily,
it's the only one among run_diff_files() callers that needs fixing.
The test "cache-tree invalidates i-t-a paths" is marked failure
because I don't think removing "--cached" from "git diff" is the right
fix. This test relies on "diff --cached" behavior but the behavior now
has changed. We may need to revisit this test at some point in future.
Helped-by: Michael J Gruber <g...@drmicha.warpmail.net>
Helped-by: Junio C Hamano <gits...@pobox.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
builtin/add.c | 1 +
diff-lib.c | 12 ++++++++++++
t/t2203-add-intent.sh | 21 ++++++++++++++++++---
t/t4011-diff-symlink.sh | 10 ++++++----
4 files changed, 37 insertions(+), 7 deletions(-)
diff --git a/builtin/add.c b/builtin/add.c
index 3390933..ee370b0 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -63,6 +63,7 @@ static void update_callback(struct diff_queue_struct *q,
switch (fix_unmerged_status(p, data)) {
default:
die(_("unexpected diff status %c"), p->status);
+ case DIFF_STATUS_ADDED:
case DIFF_STATUS_MODIFIED:
case DIFF_STATUS_TYPE_CHANGED:
if (add_file_to_index(&the_index, path, data->flags)) {
diff --git a/diff-lib.c b/diff-lib.c
index a85c497..714501a 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -212,6 +212,11 @@ int run_diff_files(struct rev_info *revs, unsigned int
option)
ce->sha1,
!is_null_sha1(ce->sha1),
ce->name, 0);
continue;
+ } else if (ce->ce_flags & CE_INTENT_TO_ADD) {
+ diff_addremove(&revs->diffopt, '+', ce->ce_mode,
+ EMPTY_BLOB_SHA1_BIN, 0,
+ ce->name, 0);
+ continue;
}
changed = match_stat_with_submodule(&revs->diffopt, ce,
&st,
@@ -376,6 +381,13 @@ static void do_oneway_diff(struct unpack_trees_options *o,
struct rev_info *revs = o->unpack_data;
int match_missing, cached;
+ /* i-t-a entries do not actually exist in the index */
+ if (idx && (idx->ce_flags & CE_INTENT_TO_ADD)) {
+ idx = NULL;
+ if (!tree)
+ return; /* nothing to diff.. */
+ }
+
/* if the entry is not checked out, don't examine work tree */
cached = o->index_only ||
(idx && ((idx->ce_flags & CE_VALID) || ce_skip_worktree(idx)));
diff --git a/t/t2203-add-intent.sh b/t/t2203-add-intent.sh
index 2a4a749..42827b8 100755
--- a/t/t2203-add-intent.sh
+++ b/t/t2203-add-intent.sh
@@ -5,10 +5,24 @@ test_description='Intent to add'
. ./test-lib.sh
test_expect_success 'intent to add' '
+ test_commit 1 &&
+ git rm 1.t &&
+ echo hello >1.t &&
echo hello >file &&
echo hello >elif &&
git add -N file &&
- git add elif
+ git add elif &&
+ git add -N 1.t
+'
+
+test_expect_success 'git status' '
+ git status --porcelain | grep -v actual >actual &&
+ cat >expect <<-\EOF &&
+ DA 1.t
+ A elif
+ A file
+ EOF
+ test_cmp expect actual
'
test_expect_success 'check result of "add -N"' '
@@ -43,7 +57,8 @@ test_expect_success 'i-t-a entry is simply ignored' '
git add -N nitfol &&
git commit -m second &&
test $(git ls-tree HEAD -- nitfol | wc -l) = 0 &&
- test $(git diff --name-only HEAD -- nitfol | wc -l) = 1
+ test $(git diff --name-only HEAD -- nitfol | wc -l) = 0 &&
+ test $(git diff --name-only -- nitfol | wc -l) = 1
'
test_expect_success 'can commit with an unrelated i-t-a entry in index' '
@@ -62,7 +77,7 @@ test_expect_success 'can "commit -a" with an i-t-a entry' '
git commit -a -m all
'
-test_expect_success 'cache-tree invalidates i-t-a paths' '
+test_expect_failure 'cache-tree invalidates i-t-a paths' '
git reset --hard &&
mkdir dir &&
: >dir/foo &&
diff --git a/t/t4011-diff-symlink.sh b/t/t4011-diff-symlink.sh
index 13e7f62..7452fce 100755
--- a/t/t4011-diff-symlink.sh
+++ b/t/t4011-diff-symlink.sh
@@ -139,11 +139,13 @@ test_expect_success SYMLINKS 'setup symlinks with
attributes' '
test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path'
'
cat >expect <<-\EOF &&
diff --git a/file.bin b/file.bin
- index e69de29..d95f3ad 100644
- Binary files a/file.bin and b/file.bin differ
+ new file mode 100644
+ index 0000000..d95f3ad
+ Binary files /dev/null and b/file.bin differ
diff --git a/link.bin b/link.bin
- index e69de29..dce41ec 120000
- --- a/link.bin
+ new file mode 120000
+ index 0000000..dce41ec
+ --- /dev/null
+++ b/link.bin
@@ -0,0 +1 @@
+file.bin
--
2.3.0.rc1.137.g477eb31
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