diff --git a/Documentation/config/merge.txt b/Documentation/config/merge.txt index d389c739292c2d16e6a0767157f9d4781caa1d29..6a313937f8c024d18188d94abcb797aea6bc3bc6 100644 --- a/Documentation/config/merge.txt +++ b/Documentation/config/merge.txt @@ -39,9 +39,22 @@ merge.renameLimit:: is turned off. merge.renames:: - Whether and how Git detects renames. If set to "false", - rename detection is disabled. If set to "true", basic rename - detection is enabled. Defaults to the value of diff.renames. + Whether Git detects renames. If set to "false", rename detection + is disabled. If set to "true", basic rename detection is enabled. + Defaults to the value of diff.renames. + +merge.directoryRenames:: + Whether Git detects directory renames, affecting what happens at + merge time to new files added to a directory on one side of + history when that directory was renamed on the other side of + history. If merge.directoryRenames is set to "false", directory + rename detection is disabled, meaning that such new files will be + left behind in the old directory. If set to "true", directory + rename detection is enabled, meaning that such new files will be + moved into the new directory. If set to "conflict", a conflict + will be reported for such paths. If merge.renames is false, + merge.directoryRenames is ignored and treated as false. Defaults + to "conflict". merge.renormalize:: Tell Git that canonical representation of files in the diff --git a/merge-recursive.c b/merge-recursive.c index 2edfa01e43c5b78b200858c9ce1297ce7d68be66..36af441faa0b562222853c27128b5a23de99e551 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -1370,30 +1370,39 @@ static int handle_rename_via_dir(struct merge_options *opt, */ 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, @@ -3090,10 +3099,88 @@ static int handle_rename_normal(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 */ @@ -3115,6 +3202,10 @@ static int process_entry(struct merge_options *opt, 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 @@ -3135,9 +3226,7 @@ static int process_entry(struct merge_options *opt, 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: /* @@ -3187,6 +3276,8 @@ static int process_entry(struct merge_options *opt, 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) || @@ -3558,6 +3649,15 @@ static void merge_recursive_config(struct merge_options *opt) 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); } diff --git a/t/t3401-rebase-and-am-rename.sh b/t/t3401-rebase-and-am-rename.sh index e0b5111993e741a22c9d92f9cbe6b7a9ce731267..a0b9438b2286712c41fb0d5648e8bf29caee8842 100755 --- a/t/t3401-rebase-and-am-rename.sh +++ b/t/t3401-rebase-and-am-rename.sh @@ -42,7 +42,7 @@ test_expect_success 'rebase --interactive: directory rename detected' ' git checkout B^0 && set_fake_editor && - FAKE_LINES="1" git rebase --interactive A && + FAKE_LINES="1" git -c merge.directoryRenames=true rebase --interactive A && git ls-files -s >out && test_line_count = 5 out && @@ -58,7 +58,7 @@ test_expect_failure 'rebase (am): directory rename detected' ' git checkout B^0 && - git rebase A && + git -c merge.directoryRenames=true rebase A && git ls-files -s >out && test_line_count = 5 out && @@ -74,7 +74,7 @@ test_expect_success 'rebase --merge: directory rename detected' ' git checkout B^0 && - git rebase --merge A && + git -c merge.directoryRenames=true rebase --merge A && git ls-files -s >out && test_line_count = 5 out && @@ -92,7 +92,7 @@ test_expect_failure 'am: directory rename detected' ' git format-patch -1 B && - git am --3way 0001*.patch && + git -c merge.directoryRenames=true am --3way 0001*.patch && git ls-files -s >out && test_line_count = 5 out && diff --git a/t/t6043-merge-rename-directories.sh b/t/t6043-merge-rename-directories.sh index fe205be607e659793fe5384504223a5412cf7d23..50b7543483e9988f3a97d7782e11504f82558af4 100755 --- a/t/t6043-merge-rename-directories.sh +++ b/t/t6043-merge-rename-directories.sh @@ -75,7 +75,7 @@ test_expect_success '1a-check: Simple directory rename detection' ' 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 && @@ -142,7 +142,7 @@ test_expect_success '1b-check: Merge a directory with another' ' 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 && @@ -201,7 +201,7 @@ test_expect_success '1c-check: Transitive renaming' ' 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 && @@ -270,7 +270,7 @@ test_expect_success '1d-check: Directory renames cause a rename/rename(2to1) con 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 && @@ -350,7 +350,7 @@ test_expect_success '1e-check: Renamed directory, with all files being renamed t 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 && @@ -416,7 +416,7 @@ test_expect_success '1f-check: Split a directory into two other directories' ' 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 && @@ -497,7 +497,7 @@ test_expect_success '2a-check: Directory split into two on one side, with equal 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 && @@ -559,7 +559,7 @@ test_expect_success '2b-check: Directory split into two on one side, with equal 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 && @@ -640,7 +640,7 @@ test_expect_success '3a-check: Avoid implicit rename if involved as source on ot 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 && @@ -705,7 +705,7 @@ test_expect_success '3b-check: Avoid implicit rename if involved as source on cu 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 && @@ -826,7 +826,7 @@ test_expect_success '4a-check: Directory split, with original directory still pr 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 && @@ -915,7 +915,7 @@ test_expect_success '5a-check: Merge directories, other side adds files to origi 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 && @@ -989,7 +989,7 @@ test_expect_success '5b-check: Rename/delete in order to get add/add/add conflic 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 && @@ -1069,7 +1069,7 @@ test_expect_success '5c-check: Transitive rename would cause rename/rename/renam 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 && @@ -1153,7 +1153,7 @@ test_expect_success '5d-check: Directory/file/file conflict due to directory ren 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 && @@ -1243,7 +1243,7 @@ test_expect_success '6a-check: Tricky rename/delete' ' 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 && @@ -1308,7 +1308,7 @@ test_expect_success '6b-check: Same rename done on both sides' ' 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 && @@ -1370,7 +1370,7 @@ test_expect_success '6c-check: Rename only done on same side' ' 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 && @@ -1432,7 +1432,7 @@ test_expect_success '6d-check: We do not always want transitive renaming' ' 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 && @@ -1495,7 +1495,7 @@ test_expect_success '6e-check: Add/add from one side' ' 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 && @@ -1591,7 +1591,7 @@ test_expect_success '7a-check: rename-dir vs. rename-dir (NOT split evenly) PLUS 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 && @@ -1663,7 +1663,7 @@ test_expect_success '7b-check: rename/rename(2to1), but only due to transitive r 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 && @@ -1740,7 +1740,7 @@ test_expect_success '7c-check: rename/rename(1to...2or3); transitive rename may 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 && @@ -1804,7 +1804,7 @@ test_expect_success '7d-check: transitive rename involved in rename/delete; how 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 && @@ -1894,7 +1894,7 @@ test_expect_success '7e-check: transitive rename in rename/delete AND dirs in th 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 && @@ -1985,7 +1985,7 @@ test_expect_success '8a-check: Dual-directory rename, one into the others way' ' 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 && @@ -2063,7 +2063,7 @@ test_expect_success '8b-check: Dual-directory rename, one into the others way, w 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 && @@ -2135,7 +2135,7 @@ test_expect_success '8c-check: modify/delete or rename+modify/delete' ' 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 && @@ -2212,7 +2212,7 @@ test_expect_success '8d-check: rename/delete...or not?' ' 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 && @@ -2287,7 +2287,7 @@ test_expect_success '8e-check: Both sides rename, one side adds to original dire 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 && @@ -2374,7 +2374,7 @@ test_expect_success '9a-check: Inner renamed directory within outer renamed dire 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 && @@ -2444,7 +2444,7 @@ test_expect_success '9b-check: Transitive rename with content merge' ' 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 && @@ -2534,7 +2534,7 @@ test_expect_success '9c-check: Doubly transitive rename?' ' 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 && @@ -2622,7 +2622,7 @@ test_expect_success '9d-check: N-way transitive rename?' ' 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 && @@ -2704,7 +2704,7 @@ test_expect_success C_LOCALE_OUTPUT '9e-check: N-to-1 whammo' ' 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 && @@ -2782,7 +2782,7 @@ test_expect_success '9f-check: Renamed directory that only contained immediate s 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 && @@ -2849,7 +2849,7 @@ test_expect_failure '9g-check: Renamed directory that only contained immediate s 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 && @@ -2918,7 +2918,7 @@ test_expect_success '9h-check: Avoid dir rename on merely modified path' ' 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 && @@ -2993,7 +2993,7 @@ test_expect_success '10a-check: Overwrite untracked with normal rename/delete' ' 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 && @@ -3061,7 +3061,7 @@ test_expect_success '10b-check: Overwrite untracked with dir rename + delete' ' 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 && @@ -3137,7 +3137,7 @@ test_expect_success '10c-check: Overwrite untracked with dir rename/rename(1to2) 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 && @@ -3174,7 +3174,7 @@ test_expect_success '10c-check: Overwrite untracked with dir rename/rename(1to2) 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 && @@ -3249,7 +3249,7 @@ test_expect_success '10d-check: Delete untracked with dir rename/rename(2to1)' ' 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 && @@ -3327,7 +3327,7 @@ test_expect_failure '10e-check: Does git complain about untracked file that is n 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 && @@ -3407,7 +3407,7 @@ test_expect_success '11a-check: Avoid losing dirty contents with simple rename' 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 && @@ -3479,7 +3479,7 @@ test_expect_success '11b-check: Avoid losing dirty file involved in directory re 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 && @@ -3554,7 +3554,7 @@ test_expect_success '11c-check: Avoid losing not-uptodate with rename + D/F conf 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 && @@ -3621,7 +3621,7 @@ test_expect_success '11d-check: Avoid losing not-uptodate with rename + D/F conf 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 && @@ -3700,7 +3700,7 @@ test_expect_success '11e-check: Avoid deleting not-uptodate with dir rename/rena 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 && @@ -3782,7 +3782,7 @@ test_expect_success '11f-check: Avoid deleting not-uptodate with dir rename/rena 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 && @@ -3870,7 +3870,7 @@ test_expect_success '12a-check: Moving one directory hierarchy into another' ' 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 && @@ -3946,7 +3946,7 @@ test_expect_success '12b-check: Moving two directory hierarchies into each other 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 && @@ -4016,7 +4016,7 @@ test_expect_success '12c-check: Moving one directory hierarchy into another w/ c 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 && @@ -4051,4 +4051,356 @@ test_expect_success '12c-check: Moving one directory hierarchy into another w/ c ) ' +########################################################################### +# 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 diff --git a/t/t6046-merge-skip-unneeded-updates.sh b/t/t6046-merge-skip-unneeded-updates.sh index 38e24f787cffb5e645a5b31c8bfa30fb5106bea7..3a47623ed3160b9037cbf7fd63bf7638a8dd57dc 100755 --- a/t/t6046-merge-skip-unneeded-updates.sh +++ b/t/t6046-merge-skip-unneeded-updates.sh @@ -466,7 +466,7 @@ test_expect_success '3a-check-L: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout A^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive B^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && @@ -495,7 +495,7 @@ test_expect_success '3a-check-R: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout B^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive A^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && @@ -560,7 +560,7 @@ test_expect_success '3b-check-L: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout A^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive B^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && @@ -589,7 +589,7 @@ test_expect_success '3b-check-R: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout B^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive A^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err &&