*/
const struct rename *ren = ci->ren1;
const struct diff_filespec *dest = ren->pair->two;
+ char *file_path = dest->path;
+ int mark_conflicted = (opt->detect_directory_renames == 1);
+ assert(ren->dir_rename_original_dest);
if (!opt->call_depth && would_lose_untracked(opt, dest->path)) {
- char *alt_path = unique_path(opt, dest->path, ren->branch);
-
+ mark_conflicted = 1;
+ file_path = unique_path(opt, dest->path, ren->branch);
output(opt, 1, _("Error: Refusing to lose untracked file at %s; "
- "writing to %s instead."),
- dest->path, alt_path);
+ "writing to %s instead."),
+ dest->path, file_path);
+ }
+
+ if (mark_conflicted) {
/*
- * Write the file in worktree at alt_path, but not in the
- * index. Instead, write to dest->path for the index but
- * only at the higher appropriate stage.
+ * Write the file in worktree at file_path. In the index,
+ * only record the file at dest->path in the appropriate
+ * higher stage.
*/
- if (update_file(opt, 0, dest, alt_path))
+ if (update_file(opt, 0, dest, file_path))
return -1;
- free(alt_path);
- return update_stages(opt, dest->path, NULL,
- ren->branch == opt->branch1 ? dest : NULL,
- ren->branch == opt->branch1 ? NULL : dest);
+ if (file_path != dest->path)
+ free(file_path);
+ if (update_stages(opt, dest->path, NULL,
+ ren->branch == opt->branch1 ? dest : NULL,
+ ren->branch == opt->branch1 ? NULL : dest))
+ return -1;
+ return 0; /* not clean, but conflicted */
+ } else {
+ /* Update dest->path both in index and in worktree */
+ if (update_file(opt, 1, dest, dest->path))
+ return -1;
+ return 1; /* clean */
}
-
- /* Update dest->path both in index and in worktree */
- if (update_file(opt, 1, dest, dest->path))
- return -1;
- return 0;
}
static int handle_change_delete(struct merge_options *opt,
const struct diff_filespec *b,
struct rename_conflict_info *ci)
{
- /* Merge the content and write it out */
+ struct rename *ren = ci->ren1;
struct merge_file_info mfi;
- return handle_content_merge(&mfi, opt, path, was_dirty(opt, path),
- o, a, b, ci);
+ int clean;
+ int side = (ren->branch == opt->branch1 ? 2 : 3);
+
+ /* Merge the content and write it out */
+ clean = handle_content_merge(&mfi, opt, path, was_dirty(opt, path),
+ o, a, b, ci);
+
+ if (clean && opt->detect_directory_renames == 1 &&
+ ren->dir_rename_original_dest) {
+ if (update_stages(opt, path,
+ NULL,
+ side == 2 ? &mfi.blob : NULL,
+ side == 2 ? NULL : &mfi.blob))
+ return -1;
+ clean = 0; /* not clean, but conflicted */
+ }
+ return clean;
+}
+
+static void dir_rename_warning(const char *msg,
+ int is_add,
+ int clean,
+ struct merge_options *opt,
+ struct rename *ren)
+{
+ const char *other_branch;
+ other_branch = (ren->branch == opt->branch1 ?
+ opt->branch2 : opt->branch1);
+ if (is_add) {
+ output(opt, clean ? 2 : 1, msg,
+ ren->pair->one->path, ren->branch,
+ other_branch, ren->pair->two->path);
+ return;
+ }
+ output(opt, clean ? 2 : 1, msg,
+ ren->pair->one->path, ren->dir_rename_original_dest, ren->branch,
+ other_branch, ren->pair->two->path);
+}
+static int warn_about_dir_renamed_entries(struct merge_options *opt,
+ struct rename *ren)
+{
+ const char *msg;
+ int clean = 1, is_add;
+
+ if (!ren)
+ return clean;
+
+ /* Return early if ren was not affected/created by a directory rename */
+ if (!ren->dir_rename_original_dest)
+ return clean;
+
+ /* Sanity checks */
+ assert(opt->detect_directory_renames > 0);
+ assert(ren->dir_rename_original_type == 'A' ||
+ ren->dir_rename_original_type == 'R');
+
+ /* Check whether to treat directory renames as a conflict */
+ clean = (opt->detect_directory_renames == 2);
+
+ is_add = (ren->dir_rename_original_type == 'A');
+ if (ren->dir_rename_original_type == 'A' && clean) {
+ msg = _("Path updated: %s added in %s inside a "
+ "directory that was renamed in %s; moving it to %s.");
+ } else if (ren->dir_rename_original_type == 'A' && !clean) {
+ msg = _("CONFLICT (file location): %s added in %s "
+ "inside a directory that was renamed in %s, "
+ "suggesting it should perhaps be moved to %s.");
+ } else if (ren->dir_rename_original_type == 'R' && clean) {
+ msg = _("Path updated: %s renamed to %s in %s, inside a "
+ "directory that was renamed in %s; moving it to %s.");
+ } else if (ren->dir_rename_original_type == 'R' && !clean) {
+ msg = _("CONFLICT (file location): %s renamed to %s in %s, "
+ "inside a directory that was renamed in %s, "
+ "suggesting it should perhaps be moved to %s.");
+ } else {
+ BUG("Impossible dir_rename_original_type/clean combination");
+ }
+ dir_rename_warning(msg, is_add, clean, opt, ren);
+
+ return clean;
}
/* Per entry merge function */
if (entry->rename_conflict_info) {
struct rename_conflict_info *ci = entry->rename_conflict_info;
struct diff_filespec *temp;
+ int path_clean;
+
+ path_clean = warn_about_dir_renamed_entries(opt, ci->ren1);
+ path_clean &= warn_about_dir_renamed_entries(opt, ci->ren2);
/*
* For cases with a single rename, {o,a,b}->path have all been
ci);
break;
case RENAME_VIA_DIR:
- clean_merge = 1;
- if (handle_rename_via_dir(opt, ci))
- clean_merge = -1;
+ clean_merge = handle_rename_via_dir(opt, ci);
break;
case RENAME_ADD:
/*
entry->processed = 0;
break;
}
+ if (path_clean < clean_merge)
+ clean_merge = path_clean;
} else if (o_valid && (!a_valid || !b_valid)) {
/* Case A: Deleted in one */
if ((!a_valid && !b_valid) ||
opt->merge_detect_rename = git_config_rename("merge.renames", value);
free(value);
}
+ if (!git_config_get_string("merge.directoryrenames", &value)) {
+ int boolval = git_parse_maybe_bool(value);
+ if (0 <= boolval) {
+ opt->detect_directory_renames = boolval ? 2 : 0;
+ } else if (!strcasecmp(value, "conflict")) {
+ opt->detect_directory_renames = 1;
+ } /* avoid erroring on values from future versions of git */
+ free(value);
+ }
git_config(git_xmerge_config, NULL);
}
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
git ls-files -s >out &&
test_line_count = 4 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 4 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
git ls-files -s >out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 6 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT.*directory rename split" out &&
git ls-files -s >out &&
git checkout A^0 &&
- git merge -s recursive B^0 >out &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep CONFLICT.*rename/rename.*z/d.*x/d.*w/d out &&
test_i18ngrep ! CONFLICT.*rename/rename.*y/d out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 5 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT.*implicit dir rename" out &&
git ls-files -s >out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (add/add).* y/d" out &&
git ls-files -s >out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/rename).*x/d.*w/d.*z/d" out &&
test_i18ngrep "CONFLICT (add/add).* y/d" out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (file/directory).*y/d" out &&
git ls-files -s >out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/delete).*z/c.*y/c" out &&
git ls-files -s >out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 4 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/rename).*z/b.*y/b.*w/b" out &&
test_i18ngrep "CONFLICT (rename/rename).*z/c.*y/c.*x/c" out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
git ls-files -s >out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/rename).*x/d.*w/d.*y/d" out &&
git ls-files -s >out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/delete).*x/d.*y/d" out &&
git ls-files -s >out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (rename/delete).*x/d.*y/d" out &&
git ls-files -s >out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 6 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 6 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT (modify/delete).* z/d" out &&
git ls-files -s >out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep CONFLICT.*rename/rename.*z/c.*y/c.*w/c out &&
test_i18ngrep CONFLICT.*rename/rename.*z/b.*y/b.*w/b out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 7 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
git checkout A^0 &&
- git merge -s recursive B^0 >out &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "WARNING: Avoiding applying x -> z rename to x/f" out &&
git ls-files -s >out &&
git checkout A^0 &&
- git merge -s recursive B^0 >out &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
test_i18ngrep "WARNING: Avoiding applying z -> y rename to z/t" out &&
test_i18ngrep "WARNING: Avoiding applying y -> x rename to y/a" out &&
test_i18ngrep "WARNING: Avoiding applying x -> w rename to x/b" out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 >out &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out &&
grep "CONFLICT (implicit dir rename): Cannot map more than one path to combined/yo" out >error_line &&
grep -q dir1/yo error_line &&
grep -q dir2/yo error_line &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 4 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 4 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 3 out &&
echo very >z/c &&
echo important >z/d &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "The following untracked working tree files would be overwritten by merge" err &&
git ls-files -s >out &&
echo important >y/d &&
echo contents >y/e &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "CONFLICT (rename/delete).*Version B\^0 of y/d left in tree at y/d~B\^0" out &&
test_i18ngrep "Error: Refusing to lose untracked file at y/e; writing to y/e~B\^0 instead" out &&
git checkout A^0 &&
echo important >y/c &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~B\^0 instead" out &&
mkdir y &&
echo important >y/c &&
- test_must_fail git merge -s recursive A^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~HEAD instead" out &&
git checkout A^0 &&
echo important >y/wham &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
test_i18ngrep "Refusing to lose untracked file at y/wham" out &&
mkdir z &&
echo random >z/c &&
- git merge -s recursive B^0 >out 2>err &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep ! "following untracked working tree files would be overwritten by merge" err &&
git ls-files -s >out &&
git checkout A^0 &&
echo stuff >>z/c &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "Refusing to lose dirty file at z/c" out &&
test_seq 1 10 >expected &&
git checkout A^0 &&
echo stuff >>z/c &&
- git merge -s recursive B^0 >out 2>err &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "Refusing to lose dirty file at z/c" out &&
grep -q stuff z/c &&
git checkout A^0 &&
echo stuff >>y/c &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "following files would be overwritten by merge" err &&
grep -q stuff y/c &&
git checkout A^0 &&
echo stuff >>z/c &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "Refusing to lose dirty file at z/c" out &&
grep -q stuff z/c &&
git checkout A^0 &&
echo mods >>y/c &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
test_i18ngrep "Refusing to lose dirty file at y/c" out &&
git checkout A^0 &&
echo important >>y/wham &&
- test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
test_i18ngrep "CONFLICT (rename/rename)" out &&
test_i18ngrep "Refusing to lose dirty file at y/wham" out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 6 out &&
git checkout A^0 &&
- git merge -s recursive B^0 &&
+ git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -s >out &&
test_line_count = 4 out &&
git checkout A^0 &&
- test_must_fail git merge -s recursive B^0 &&
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 &&
git ls-files -u >out &&
test_line_count = 12 out &&
)
'
+###########################################################################
+# SECTION 13: Checking informational and conflict messages
+#
+# A year after directory rename detection became the default, it was
+# instead decided to report conflicts on the pathname on the basis that
+# some users may expect the new files added or moved into a directory to
+# be unrelated to all the other files in that directory, and thus that
+# directory rename detection is unexpected. Test that the messages printed
+# match our expectation.
+###########################################################################
+
+# Testcase 13a, Basic directory rename with newly added files
+# Commit O: z/{b,c}
+# Commit A: y/{b,c}
+# Commit B: z/{b,c,d,e/f}
+# Expected: y/{b,c,d,e/f}, with notices/conflicts for both y/d and y/e/f
+
+test_expect_success '13a-setup: messages for newly added files' '
+ test_create_repo 13a &&
+ (
+ cd 13a &&
+
+ mkdir z &&
+ echo b >z/b &&
+ echo c >z/c &&
+ git add z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z y &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ echo d >z/d &&
+ mkdir z/e &&
+ echo f >z/e/f &&
+ git add z/d z/e/f &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_success '13a-check(conflict): messages for newly added files' '
+ (
+ cd 13a &&
+
+ git checkout A^0 &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep CONFLICT..file.location.*z/e/f.added.in.B^0.*y/e/f out &&
+ test_i18ngrep CONFLICT..file.location.*z/d.added.in.B^0.*y/d out &&
+
+ git ls-files >paths &&
+ ! grep z/ paths &&
+ grep "y/[de]" paths &&
+
+ test_path_is_missing z/d &&
+ test_path_is_file y/d &&
+ test_path_is_missing z/e/f &&
+ test_path_is_file y/e/f
+ )
+'
+
+test_expect_success '13a-check(info): messages for newly added files' '
+ (
+ cd 13a &&
+
+ git reset --hard &&
+ git checkout A^0 &&
+
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep Path.updated:.*z/e/f.added.in.B^0.*y/e/f out &&
+ test_i18ngrep Path.updated:.*z/d.added.in.B^0.*y/d out &&
+
+ git ls-files >paths &&
+ ! grep z/ paths &&
+ grep "y/[de]" paths &&
+
+ test_path_is_missing z/d &&
+ test_path_is_file y/d &&
+ test_path_is_missing z/e/f &&
+ test_path_is_file y/e/f
+ )
+'
+
+# Testcase 13b, Transitive rename with conflicted content merge and default
+# "conflict" setting
+# (Related to testcase 1c, 9b)
+# Commit O: z/{b,c}, x/d_1
+# Commit A: y/{b,c}, x/d_2
+# Commit B: z/{b,c,d_3}
+# Expected: y/{b,c,d_merged}, with two conflict messages for y/d,
+# one about content, and one about file location
+
+test_expect_success '13b-setup: messages for transitive rename with conflicted content' '
+ test_create_repo 13b &&
+ (
+ cd 13b &&
+
+ mkdir x &&
+ mkdir z &&
+ test_seq 1 10 >x/d &&
+ echo b >z/b &&
+ echo c >z/c &&
+ git add x z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z y &&
+ echo 11 >>x/d &&
+ git add x/d &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ echo eleven >>x/d &&
+ git mv x/d z/d &&
+ git add z/d &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_success '13b-check(conflict): messages for transitive rename with conflicted content' '
+ (
+ cd 13b &&
+
+ git checkout A^0 &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep CONFLICT.*content.*Merge.conflict.in.y/d out &&
+ test_i18ngrep CONFLICT..file.location.*x/d.renamed.to.z/d.*moved.to.y/d out &&
+
+ git ls-files >paths &&
+ ! grep z/ paths &&
+ grep "y/d" paths &&
+
+ test_path_is_missing z/d &&
+ test_path_is_file y/d
+ )
+'
+
+test_expect_success '13b-check(info): messages for transitive rename with conflicted content' '
+ (
+ cd 13b &&
+
+ git reset --hard &&
+ git checkout A^0 &&
+
+ test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep CONFLICT.*content.*Merge.conflict.in.y/d out &&
+ test_i18ngrep Path.updated:.*x/d.renamed.to.z/d.in.B^0.*moving.it.to.y/d out &&
+
+ git ls-files >paths &&
+ ! grep z/ paths &&
+ grep "y/d" paths &&
+
+ test_path_is_missing z/d &&
+ test_path_is_file y/d
+ )
+'
+
+# Testcase 13c, Rename/rename(1to1) due to directory rename
+# Commit O: z/{b,c}, x/{d,e}
+# Commit A: y/{b,c,d}, x/e
+# Commit B: z/{b,c,d}, x/e
+# Expected: y/{b,c,d}, with info or conflict messages for d (
+# A: renamed x/d -> z/d; B: renamed z/ -> y/ AND renamed x/d to y/d
+# One could argue A had partial knowledge of what was done with
+# d and B had full knowledge, but that's a slippery slope as
+# shown in testcase 13d.
+
+test_expect_success '13c-setup: messages for rename/rename(1to1) via transitive rename' '
+ test_create_repo 13c &&
+ (
+ cd 13c &&
+
+ mkdir x &&
+ mkdir z &&
+ test_seq 1 10 >x/d &&
+ echo e >x/e &&
+ echo b >z/b &&
+ echo c >z/c &&
+ git add x z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z y &&
+ git mv x/d y/ &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv x/d z/d &&
+ git add z/d &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_success '13c-check(conflict): messages for rename/rename(1to1) via transitive rename' '
+ (
+ cd 13c &&
+
+ git checkout A^0 &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep CONFLICT..file.location.*x/d.renamed.to.z/d.*moved.to.y/d out &&
+
+ git ls-files >paths &&
+ ! grep z/ paths &&
+ grep "y/d" paths &&
+
+ test_path_is_missing z/d &&
+ test_path_is_file y/d
+ )
+'
+
+test_expect_success '13c-check(info): messages for rename/rename(1to1) via transitive rename' '
+ (
+ cd 13c &&
+
+ git reset --hard &&
+ git checkout A^0 &&
+
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep Path.updated:.*x/d.renamed.to.z/d.in.B^0.*moving.it.to.y/d out &&
+
+ git ls-files >paths &&
+ ! grep z/ paths &&
+ grep "y/d" paths &&
+
+ test_path_is_missing z/d &&
+ test_path_is_file y/d
+ )
+'
+
+# Testcase 13d, Rename/rename(1to1) due to directory rename on both sides
+# Commit O: a/{z,y}, b/x, c/w
+# Commit A: a/z, b/{y,x}, d/w
+# Commit B: a/z, d/x, c/{y,w}
+# Expected: a/z, d/{y,x,w} with no file location conflict for x
+# Easy cases:
+# * z is always in a; so it stays in a.
+# * x starts in b, only modified on one side to move into d/
+# * w starts in c, only modified on one side to move into d/
+# Hard case:
+# * A renames a/y to b/y, and B renames b/->d/ => a/y -> d/y
+# * B renames a/y to c/y, and A renames c/->d/ => a/y -> d/y
+# No conflict in where a/y ends up, so put it in d/y.
+
+test_expect_success '13d-setup: messages for rename/rename(1to1) via dual transitive rename' '
+ test_create_repo 13d &&
+ (
+ cd 13d &&
+
+ mkdir a &&
+ mkdir b &&
+ mkdir c &&
+ echo z >a/z &&
+ echo y >a/y &&
+ echo x >b/x &&
+ echo w >c/w &&
+ git add a b c &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv a/y b/ &&
+ git mv c/ d/ &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv a/y c/ &&
+ git mv b/ d/ &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_success '13d-check(conflict): messages for rename/rename(1to1) via dual transitive rename' '
+ (
+ cd 13d &&
+
+ git checkout A^0 &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep CONFLICT..file.location.*a/y.renamed.to.b/y.*moved.to.d/y out &&
+ test_i18ngrep CONFLICT..file.location.*a/y.renamed.to.c/y.*moved.to.d/y out &&
+
+ git ls-files >paths &&
+ ! grep b/ paths &&
+ ! grep c/ paths &&
+ grep "d/y" paths &&
+
+ test_path_is_missing b/y &&
+ test_path_is_missing c/y &&
+ test_path_is_file d/y
+ )
+'
+
+test_expect_success '13d-check(info): messages for rename/rename(1to1) via dual transitive rename' '
+ (
+ cd 13d &&
+
+ git reset --hard &&
+ git checkout A^0 &&
+
+ git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep Path.updated.*a/y.renamed.to.b/y.*moving.it.to.d/y out &&
+ test_i18ngrep Path.updated.*a/y.renamed.to.c/y.*moving.it.to.d/y out &&
+
+ git ls-files >paths &&
+ ! grep b/ paths &&
+ ! grep c/ paths &&
+ grep "d/y" paths &&
+
+ test_path_is_missing b/y &&
+ test_path_is_missing c/y &&
+ test_path_is_file d/y
+ )
+'
+
test_done