From: Elijah Newren <newren@gmail.com>
To: gitster@pobox.com
Cc: git@vger.kernel.org, sbeller@google.com, szeder.dev@gmail.com,
jrnieder@gmail.com, peff@peff.net,
Elijah Newren <newren@gmail.com>
Subject: [PATCH v7 28/31] merge-recursive: fix remaining directory rename + dirty overwrite cases
Date: Tue, 30 Jan 2018 15:25:30 -0800 [thread overview]
Message-ID: <20180130232533.25846-29-newren@gmail.com> (raw)
In-Reply-To: <20180130232533.25846-1-newren@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
---
merge-recursive.c | 26 +++++++++++++++++++++++---
t/t6043-merge-rename-directories.sh | 8 ++++----
2 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index fba1a0d207..62e4266d21 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1320,11 +1320,23 @@ static int handle_file(struct merge_options *o,
add = filespec_from_entry(&other, dst_entry, stage ^ 1);
if (add) {
+ int ren_src_was_dirty = was_dirty(o, rename->path);
char *add_name = unique_path(o, rename->path, other_branch);
if (update_file(o, 0, &add->oid, add->mode, add_name))
return -1;
- remove_file(o, 0, rename->path, 0);
+ if (ren_src_was_dirty) {
+ output(o, 1, _("Refusing to lose dirty file at %s"),
+ rename->path);
+ }
+ /*
+ * Stupid double negatives in remove_file; it somehow manages
+ * to repeatedly mess me up. So, just for myself:
+ * 1) update_wd iff !ren_src_was_dirty.
+ * 2) no_wd iff !update_wd
+ * 3) so, no_wd == !!ren_src_was_dirty == ren_src_was_dirty
+ */
+ remove_file(o, 0, rename->path, ren_src_was_dirty);
dst_name = unique_path(o, rename->path, cur_branch);
} else {
if (dir_in_way(rename->path, !o->call_depth, 0)) {
@@ -1462,7 +1474,10 @@ static int conflict_rename_rename_2to1(struct merge_options *o,
char *new_path2 = unique_path(o, path, ci->branch2);
output(o, 1, _("Renaming %s to %s and %s to %s instead"),
a->path, new_path1, b->path, new_path2);
- if (would_lose_untracked(path))
+ if (was_dirty(o, path))
+ output(o, 1, _("Refusing to lose dirty file at %s"),
+ path);
+ else if (would_lose_untracked(path))
/*
* Only way we get here is if both renames were from
* a directory rename AND user had an untracked file
@@ -2042,6 +2057,7 @@ static void apply_directory_rename_modifications(struct merge_options *o,
{
struct string_list_item *item;
int stage = (tree == a_tree ? 2 : 3);
+ int update_wd;
/*
* In all cases where we can do directory rename detection,
@@ -2052,7 +2068,11 @@ static void apply_directory_rename_modifications(struct merge_options *o,
* saying the file would have been overwritten), but it might
* be dirty, though.
*/
- remove_file(o, 1, pair->two->path, 0 /* no_wd */);
+ update_wd = !was_dirty(o, pair->two->path);
+ if (!update_wd)
+ output(o, 1, _("Refusing to lose dirty file at %s"),
+ pair->two->path);
+ remove_file(o, 1, pair->two->path, !update_wd);
/* Find or create a new re->dst_entry */
item = string_list_lookup(entries, new_path);
diff --git a/t/t6043-merge-rename-directories.sh b/t/t6043-merge-rename-directories.sh
index 89b2eacf38..a34c57d986 100755
--- a/t/t6043-merge-rename-directories.sh
+++ b/t/t6043-merge-rename-directories.sh
@@ -3362,7 +3362,7 @@ test_expect_success '11b-setup: Avoid losing dirty file involved in directory re
)
'
-test_expect_failure '11b-check: Avoid losing dirty file involved in directory rename' '
+test_expect_success '11b-check: Avoid losing dirty file involved in directory rename' '
(
cd 11b &&
@@ -3504,7 +3504,7 @@ test_expect_success '11d-setup: Avoid losing not-uptodate with rename + D/F conf
)
'
-test_expect_failure '11d-check: Avoid losing not-uptodate with rename + D/F conflict' '
+test_expect_success '11d-check: Avoid losing not-uptodate with rename + D/F conflict' '
(
cd 11d &&
@@ -3583,7 +3583,7 @@ test_expect_success '11e-setup: Avoid deleting not-uptodate with dir rename/rena
)
'
-test_expect_failure '11e-check: Avoid deleting not-uptodate with dir rename/rename(1to2)/add' '
+test_expect_success '11e-check: Avoid deleting not-uptodate with dir rename/rename(1to2)/add' '
(
cd 11e &&
@@ -3659,7 +3659,7 @@ test_expect_success '11f-setup: Avoid deleting not-uptodate with dir rename/rena
)
'
-test_expect_failure '11f-check: Avoid deleting not-uptodate with dir rename/rename(2to1)' '
+test_expect_success '11f-check: Avoid deleting not-uptodate with dir rename/rename(2to1)' '
(
cd 11f &&
--
2.16.1.106.gf69932adfe
next prev parent reply other threads:[~2018-01-30 23:44 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-30 23:25 [PATCH v7 00/31] Add directory rename detection to git Elijah Newren
2018-01-30 23:25 ` [PATCH v7 01/31] directory rename detection: basic testcases Elijah Newren
2018-01-30 23:25 ` [PATCH v7 02/31] directory rename detection: directory splitting testcases Elijah Newren
2018-01-30 23:25 ` [PATCH v7 03/31] directory rename detection: testcases to avoid taking detection too far Elijah Newren
2018-01-30 23:25 ` [PATCH v7 04/31] directory rename detection: partially renamed directory testcase/discussion Elijah Newren
2018-01-30 23:25 ` [PATCH v7 05/31] directory rename detection: files/directories in the way of some renames Elijah Newren
2018-01-30 23:25 ` [PATCH v7 06/31] directory rename detection: testcases checking which side did the rename Elijah Newren
2018-01-30 23:25 ` [PATCH v7 07/31] directory rename detection: more involved edge/corner testcases Elijah Newren
2018-01-30 23:25 ` [PATCH v7 08/31] directory rename detection: testcases exploring possibly suboptimal merges Elijah Newren
2018-01-30 23:25 ` [PATCH v7 09/31] directory rename detection: miscellaneous testcases to complete coverage Elijah Newren
2018-01-30 23:25 ` [PATCH v7 10/31] directory rename detection: tests for handling overwriting untracked files Elijah Newren
2018-01-30 23:25 ` [PATCH v7 11/31] directory rename detection: tests for handling overwriting dirty files Elijah Newren
2018-01-30 23:25 ` [PATCH v7 12/31] merge-recursive: move the get_renames() function Elijah Newren
2018-02-02 23:27 ` Stefan Beller
[not found] ` <CABPp-BFDgDDa_fPSFJQUSzR1k5-ix0SWrviUPFu+SCoyWfG5cQ@mail.gmail.com>
2018-02-05 18:57 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 13/31] merge-recursive: introduce new functions to handle rename logic Elijah Newren
2018-02-02 23:36 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 14/31] merge-recursive: fix leaks of allocated renames and diff_filepairs Elijah Newren
2018-02-02 23:41 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 15/31] merge-recursive: make !o->detect_rename codepath more obvious Elijah Newren
2018-02-02 23:48 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 16/31] merge-recursive: split out code for determining diff_filepairs Elijah Newren
2018-02-03 0:06 ` Stefan Beller
2018-02-03 1:43 ` Elijah Newren
2018-01-30 23:25 ` [PATCH v7 17/31] merge-recursive: add a new hashmap for storing directory renames Elijah Newren
2018-02-03 0:26 ` Stefan Beller
2018-02-03 21:34 ` Elijah Newren
2018-02-04 8:54 ` Johannes Sixt
2018-02-05 14:56 ` Elijah Newren
2018-02-05 20:01 ` Junio C Hamano
2018-02-05 19:44 ` Stefan Beller
2018-02-05 21:27 ` Elijah Newren
2018-01-30 23:25 ` [PATCH v7 18/31] merge-recursive: make a helper function for cleanup for handle_renames Elijah Newren
2018-02-03 0:31 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 19/31] merge-recursive: add get_directory_renames() Elijah Newren
2018-02-03 1:02 ` Stefan Beller
2018-02-03 22:32 ` Elijah Newren
2018-02-04 2:04 ` Elijah Newren
2018-02-04 4:42 ` Eric Sunshine
2018-02-04 4:44 ` Eric Sunshine
2018-02-05 19:39 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 20/31] merge-recursive: check for directory level conflicts Elijah Newren
2018-02-05 20:00 ` Stefan Beller
2018-02-05 21:12 ` Elijah Newren
2018-01-30 23:25 ` [PATCH v7 21/31] merge-recursive: add a new hashmap for storing file collisions Elijah Newren
2018-02-05 20:02 ` Stefan Beller
2018-01-30 23:25 ` [PATCH v7 22/31] merge-recursive: add computation of collisions due to dir rename & merging Elijah Newren
2018-01-30 23:25 ` [PATCH v7 23/31] merge-recursive: check for file level conflicts then get new name Elijah Newren
2018-01-30 23:25 ` [PATCH v7 24/31] merge-recursive: when comparing files, don't include trees Elijah Newren
2018-01-30 23:25 ` [PATCH v7 25/31] merge-recursive: apply necessary modifications for directory renames Elijah Newren
2018-02-16 1:14 ` SZEDER Gábor
2018-01-30 23:25 ` [PATCH v7 26/31] merge-recursive: avoid clobbering untracked files with " Elijah Newren
2018-01-30 23:25 ` [PATCH v7 27/31] merge-recursive: fix overwriting dirty files involved in renames Elijah Newren
2018-02-05 20:52 ` Stefan Beller
2018-02-05 21:26 ` Elijah Newren
2018-01-30 23:25 ` Elijah Newren [this message]
2018-02-05 21:52 ` [PATCH v7 28/31] merge-recursive: fix remaining directory rename + dirty overwrite cases Stefan Beller
2018-02-05 22:18 ` Elijah Newren
2018-01-30 23:25 ` [PATCH v7 29/31] directory rename detection: new testcases showcasing a pair of bugs Elijah Newren
2018-01-30 23:25 ` [PATCH v7 30/31] merge-recursive: avoid spurious rename/rename conflict from dir renames Elijah Newren
2018-01-30 23:25 ` [PATCH v7 31/31] merge-recursive: ensure we write updates for directory-renamed file Elijah Newren
2018-02-05 21:58 ` Stefan Beller
2018-01-30 23:41 ` [PATCH v7 00/31] Add directory rename detection to git Elijah Newren
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