From: Junio C Hamano Date: Wed, 27 Oct 2010 04:54:04 +0000 (-0700) Subject: Merge branch 'kb/merge-recursive-rename-threshold' X-Git-Tag: v1.7.4-rc0~163 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/329351feeb0c08c835ac4ff05f127fbfe42a78cf?ds=inline;hp=-c Merge branch 'kb/merge-recursive-rename-threshold' * kb/merge-recursive-rename-threshold: diff: add synonyms for -M, -C, -B merge-recursive: option to specify rename threshold Conflicts: Documentation/diff-options.txt Documentation/merge-strategies.txt --- 329351feeb0c08c835ac4ff05f127fbfe42a78cf diff --combined Documentation/diff-options.txt index e954af0ad6,df37ccd365..bfd0b571e2 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@@ -48,9 -48,9 +48,9 @@@ endif::git-format-patch[ --patience:: Generate a diff using the "patience diff" algorithm. ---stat[=width[,name-width]]:: +--stat[=[,]]:: Generate a diffstat. You can override the default - output width for 80-column terminal by `--stat=width`. + output width for 80-column terminal by `--stat=`. The width of the filename part can be controlled by giving another width to it separated by a comma. @@@ -66,14 -66,14 +66,14 @@@ number of modified files, as well as number of added and deleted lines. ---dirstat[=limit]:: +--dirstat[=]:: Output the distribution of relative amount of changes (number of lines added or removed) for each sub-directory. Directories with changes below a cut-off percent (3% by default) are not shown. The cut-off percent - can be set with `--dirstat=limit`. Changes in a child directory is not + can be set with `--dirstat=`. Changes in a child directory are not counted for the parent directory, unless `--cumulative` is used. ---dirstat-by-file[=limit]:: +--dirstat-by-file[=]:: Same as `--dirstat`, but counts changed files instead of lines. --summary:: @@@ -206,29 -206,12 +206,31 @@@ endif::git-format-patch[ the diff-patch output format. Non default number of digits can be specified with `--abbrev=`. --B:: +-B[][/]:: + --break-rewrites[=[][/]]:: - Break complete rewrite changes into pairs of delete and create. - --M:: + Break complete rewrite changes into pairs of delete and + create. This serves two purposes: ++ +It affects the way a change that amounts to a total rewrite of a file +not as a series of deletion and insertion mixed together with a very +few lines that happen to match textually as the context, but as a +single deletion of everything old followed by a single insertion of +everything new, and the number `m` controls this aspect of the -B +option (defaults to 60%). `-B/70%` specifies that less than 30% of the +original should remain in the result for git to consider it a total +rewrite (i.e. otherwise the resulting patch will be a series of +deletion and insertion mixed together with context lines). ++ +When used with -M, a totally-rewritten file is also considered as the +source of a rename (usually -M only considers a file that disappeared +as the source of a rename), and the number `n` controls this aspect of +the -B option (defaults to 50%). `-B20%` specifies that a change with +addition and deletion compared to 20% or more of the file's size are +eligible for being picked up as a possible source of a rename to +another file. + +-M[]:: + --detect-renames[=]:: ifndef::git-log[] Detect renames. endif::git-log[] @@@ -237,24 -220,19 +239,25 @@@ ifdef::git-log[ For following files across renames while traversing history, see `--follow`. endif::git-log[] + If `n` is specified, it is a is a threshold on the similarity + index (i.e. amount of addition/deletions compared to the + file's size). For example, `-M90%` means git should consider a + delete/add pair to be a rename if more than 90% of the file + hasn't changed. --C:: +-C[]:: + --detect-copies[=]:: Detect copies as well as renames. See also `--find-copies-harder`. + If `n` is specified, it has the same meaning as for `-M`. ifndef::git-format-patch[] ---diff-filter=[ACDMRTUXB*]:: +--diff-filter=[(A|C|D|M|R|T|U|X|B)...[*]]:: Select only files that are Added (`A`), Copied (`C`), Deleted (`D`), Modified (`M`), Renamed (`R`), have their type (i.e. regular file, symlink, submodule, ...) changed (`T`), are Unmerged (`U`), are Unknown (`X`), or have had their pairing Broken (`B`). - Any combination of the filter characters may be used. + Any combination of the filter characters (including none) can be used. When `*` (All-or-none) is added to the combination, all paths are selected if there is any file that matches other criteria in the comparison; if there is no file @@@ -284,12 -262,8 +287,12 @@@ ifndef::git-format-patch[ appearing in diff output; see the 'pickaxe' entry in linkgit:gitdiffcore[7] for more details. +-G:: + Look for differences whose added or removed line matches + the given . + --pickaxe-all:: - When `-S` finds a change, show all the changes in that + When `-S` or `-G` finds a change, show all the changes in that changeset, not just the files that contain the change in . @@@ -357,18 -331,8 +360,18 @@@ endif::git-format-patch[ --no-ext-diff:: Disallow external diff drivers. ---ignore-submodules:: - Ignore changes to submodules in the diff generation. +--ignore-submodules[=]:: + Ignore changes to submodules in the diff generation. can be + either "none", "untracked", "dirty" or "all", which is the default + Using "none" will consider the submodule modified when it either contains + untracked or modified files or its HEAD differs from the commit recorded + in the superproject and can be used to override any settings of the + 'ignore' option in linkgit:git-config[1] or linkgit:gitmodules[5]. When + "untracked" is used submodules are not considered dirty when they only + contain untracked content (but they are still scanned for modified + content). Using "dirty" ignores all changes to the work tree of submodules, + only changes to the commits stored in the superproject are shown (this was + the behavior until 1.7.0). Using "all" hides all changes to submodules. --src-prefix=:: Show the given source prefix instead of "a/". diff --combined Documentation/merge-strategies.txt index 9cf88e2bb5,77f26061d6..595a3cf1a7 --- a/Documentation/merge-strategies.txt +++ b/Documentation/merge-strategies.txt @@@ -74,7 -74,11 +74,11 @@@ no-renormalize; Disables the `renormalize` option. This overrides the `merge.renormalize` configuration variable. + rename-threshold=;; + Controls the similarity threshold used for rename detection. + See also linkgit:git-diff[1] `-M`. + -subtree[=path];; +subtree[=];; This option is a more advanced form of 'subtree' strategy, where the strategy makes a guess on how two trees must be shifted to match with each other when merging. Instead, the specified path diff --combined diff.c index ba57bfab17,85a7fb02f0..d1c6b91982 --- a/diff.c +++ b/diff.c @@@ -31,7 -31,6 +31,7 @@@ static const char *external_diff_cmd_cf int diff_auto_refresh_index = 1; static int diff_mnemonic_prefix; static int diff_no_prefix; +static struct diff_options default_diff_options; static char diff_colors[][COLOR_MAXLEN] = { GIT_COLOR_RESET, @@@ -108,9 -107,6 +108,9 @@@ int git_diff_ui_config(const char *var if (!strcmp(var, "diff.wordregex")) return git_config_string(&diff_word_regex_cfg, var, value); + if (!strcmp(var, "diff.ignoresubmodules")) + handle_ignore_submodules_arg(&default_diff_options, value); + return git_diff_basic_config(var, value, cb); } @@@ -145,9 -141,6 +145,9 @@@ int git_diff_basic_config(const char *v return 0; } + if (!prefixcmp(var, "submodule.")) + return parse_submodule_config_option(var, value); + return git_color_default_config(var, value, cb); } @@@ -919,10 -912,7 +919,10 @@@ static void free_diff_words_data(struc free (ecbdata->diff_words->minus.orig); free (ecbdata->diff_words->plus.text.ptr); free (ecbdata->diff_words->plus.orig); - free(ecbdata->diff_words->word_regex); + if (ecbdata->diff_words->word_regex) { + regfree(ecbdata->diff_words->word_regex); + free(ecbdata->diff_words->word_regex); + } free(ecbdata->diff_words); ecbdata->diff_words = NULL; } @@@ -2637,7 -2627,8 +2637,7 @@@ static void fill_metainfo(struct strbu (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) abbrev = 40; } - strbuf_addf(msg, "%s%sindex %s..", set, - line_prefix, + strbuf_addf(msg, "%s%sindex %s..", line_prefix, set, find_unique_abbrev(one->sha1, abbrev)); strbuf_addstr(msg, find_unique_abbrev(two->sha1, abbrev)); if (one->mode == two->mode) @@@ -2714,16 -2705,10 +2714,16 @@@ static void diff_fill_sha1_info(struct static void strip_prefix(int prefix_length, const char **namep, const char **otherp) { /* Strip the prefix but do not molest /dev/null and absolute paths */ - if (*namep && **namep != '/') + if (*namep && **namep != '/') { *namep += prefix_length; - if (*otherp && **otherp != '/') + if (**namep == '/') + ++*namep; + } + if (*otherp && **otherp != '/') { *otherp += prefix_length; + if (**otherp == '/') + ++*otherp; + } } static void run_diff(struct diff_filepair *p, struct diff_options *o) @@@ -2829,7 -2814,8 +2829,7 @@@ static void run_checkdiff(struct diff_f void diff_setup(struct diff_options *options) { - memset(options, 0, sizeof(*options)); - memset(&diff_queued_diff, 0, sizeof(diff_queued_diff)); + memcpy(options, &default_diff_options, sizeof(*options)); options->file = stdout; @@@ -3005,100 -2991,9 +3005,100 @@@ static int opt_arg(const char *arg, in static int diff_scoreopt_parse(const char *opt); +static inline int short_opt(char opt, const char **argv, + const char **optarg) +{ + const char *arg = argv[0]; + if (arg[0] != '-' || arg[1] != opt) + return 0; + if (arg[2] != '\0') { + *optarg = arg + 2; + return 1; + } + if (!argv[1]) + die("Option '%c' requires a value", opt); + *optarg = argv[1]; + return 2; +} + +int parse_long_opt(const char *opt, const char **argv, + const char **optarg) +{ + const char *arg = argv[0]; + if (arg[0] != '-' || arg[1] != '-') + return 0; + arg += strlen("--"); + if (prefixcmp(arg, opt)) + return 0; + arg += strlen(opt); + if (*arg == '=') { /* sticked form: --option=value */ + *optarg = arg + 1; + return 1; + } + if (*arg != '\0') + return 0; + /* separate form: --option value */ + if (!argv[1]) + die("Option '--%s' requires a value", opt); + *optarg = argv[1]; + return 2; +} + +static int stat_opt(struct diff_options *options, const char **av) +{ + const char *arg = av[0]; + char *end; + int width = options->stat_width; + int name_width = options->stat_name_width; + int argcount = 1; + + arg += strlen("--stat"); + end = (char *)arg; + + switch (*arg) { + case '-': + if (!prefixcmp(arg, "-width")) { + arg += strlen("-width"); + if (*arg == '=') + width = strtoul(arg + 1, &end, 10); + else if (!*arg && !av[1]) + die("Option '--stat-width' requires a value"); + else if (!*arg) { + width = strtoul(av[1], &end, 10); + argcount = 2; + } + } else if (!prefixcmp(arg, "-name-width")) { + arg += strlen("-name-width"); + if (*arg == '=') + name_width = strtoul(arg + 1, &end, 10); + else if (!*arg && !av[1]) + die("Option '--stat-name-width' requires a value"); + else if (!*arg) { + name_width = strtoul(av[1], &end, 10); + argcount = 2; + } + } + break; + case '=': + width = strtoul(arg+1, &end, 10); + if (*end == ',') + name_width = strtoul(end+1, &end, 10); + } + + /* Important! This checks all the error cases! */ + if (*end) + return 0; + options->output_format |= DIFF_FORMAT_DIFFSTAT; + options->stat_name_width = name_width; + options->stat_width = width; + return argcount; +} + int diff_opt_parse(struct diff_options *options, const char **av, int ac) { const char *arg = av[0]; + const char *optarg; + int argcount; /* Output format options */ if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch")) @@@ -3135,21 -3030,48 +3135,24 @@@ options->output_format |= DIFF_FORMAT_NAME_STATUS; else if (!strcmp(arg, "-s")) options->output_format |= DIFF_FORMAT_NO_OUTPUT; - else if (!prefixcmp(arg, "--stat")) { - char *end; - int width = options->stat_width; - int name_width = options->stat_name_width; - arg += 6; - end = (char *)arg; - - switch (*arg) { - case '-': - if (!prefixcmp(arg, "-width=")) - width = strtoul(arg + 7, &end, 10); - else if (!prefixcmp(arg, "-name-width=")) - name_width = strtoul(arg + 12, &end, 10); - break; - case '=': - width = strtoul(arg+1, &end, 10); - if (*end == ',') - name_width = strtoul(end+1, &end, 10); - } - - /* Important! This checks all the error cases! */ - if (*end) - return 0; - options->output_format |= DIFF_FORMAT_DIFFSTAT; - options->stat_name_width = name_width; - options->stat_width = width; - } + else if (!prefixcmp(arg, "--stat")) + /* --stat, --stat-width, or --stat-name-width */ + return stat_opt(options, av); /* renames options */ - else if (!prefixcmp(arg, "-B")) { + else if (!prefixcmp(arg, "-B") || !prefixcmp(arg, "--break-rewrites=") || + !strcmp(arg, "--break-rewrites")) { if ((options->break_opt = diff_scoreopt_parse(arg)) == -1) return -1; } - else if (!prefixcmp(arg, "-M")) { + else if (!prefixcmp(arg, "-M") || !prefixcmp(arg, "--detect-renames=") || + !strcmp(arg, "--detect-renames")) { if ((options->rename_score = diff_scoreopt_parse(arg)) == -1) return -1; options->detect_rename = DIFF_DETECT_RENAME; } - else if (!prefixcmp(arg, "-C")) { + else if (!prefixcmp(arg, "-C") || !prefixcmp(arg, "--detect-copies=") || + !strcmp(arg, "--detect-copies")) { if (options->detect_rename == DIFF_DETECT_COPY) DIFF_OPT_SET(options, FIND_COPIES_HARDER); if ((options->rename_score = diff_scoreopt_parse(arg)) == -1) @@@ -3231,11 -3153,10 +3234,11 @@@ else die("bad --word-diff argument: %s", type); } - else if (!prefixcmp(arg, "--word-diff-regex=")) { + else if ((argcount = parse_long_opt("word-diff-regex", av, &optarg))) { if (options->word_diff == DIFF_WORDS_NONE) options->word_diff = DIFF_WORDS_PLAIN; - options->word_regex = arg + 18; + options->word_regex = optarg; + return argcount; } else if (!strcmp(arg, "--exit-code")) DIFF_OPT_SET(options, EXIT_WITH_STATUS); @@@ -3249,13 -3170,9 +3252,13 @@@ DIFF_OPT_SET(options, ALLOW_TEXTCONV); else if (!strcmp(arg, "--no-textconv")) DIFF_OPT_CLR(options, ALLOW_TEXTCONV); - else if (!strcmp(arg, "--ignore-submodules")) - DIFF_OPT_SET(options, IGNORE_SUBMODULES); - else if (!strcmp(arg, "--submodule")) + else if (!strcmp(arg, "--ignore-submodules")) { + DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG); + handle_ignore_submodules_arg(options, "all"); + } else if (!prefixcmp(arg, "--ignore-submodules=")) { + DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG); + handle_ignore_submodules_arg(options, arg + 20); + } else if (!strcmp(arg, "--submodule")) DIFF_OPT_SET(options, SUBMODULE_LOG); else if (!prefixcmp(arg, "--submodule=")) { if (!strcmp(arg + 12, "log")) @@@ -3265,31 -3182,18 +3268,31 @@@ /* misc options */ else if (!strcmp(arg, "-z")) options->line_termination = 0; - else if (!prefixcmp(arg, "-l")) - options->rename_limit = strtoul(arg+2, NULL, 10); - else if (!prefixcmp(arg, "-S")) - options->pickaxe = arg + 2; + else if ((argcount = short_opt('l', av, &optarg))) { + options->rename_limit = strtoul(optarg, NULL, 10); + return argcount; + } + else if ((argcount = short_opt('S', av, &optarg))) { + options->pickaxe = optarg; + options->pickaxe_opts |= DIFF_PICKAXE_KIND_S; + return argcount; + } else if ((argcount = short_opt('G', av, &optarg))) { + options->pickaxe = optarg; + options->pickaxe_opts |= DIFF_PICKAXE_KIND_G; + return argcount; + } else if (!strcmp(arg, "--pickaxe-all")) - options->pickaxe_opts = DIFF_PICKAXE_ALL; + options->pickaxe_opts |= DIFF_PICKAXE_ALL; else if (!strcmp(arg, "--pickaxe-regex")) - options->pickaxe_opts = DIFF_PICKAXE_REGEX; - else if (!prefixcmp(arg, "-O")) - options->orderfile = arg + 2; - else if (!prefixcmp(arg, "--diff-filter=")) - options->filter = arg + 14; + options->pickaxe_opts |= DIFF_PICKAXE_REGEX; + else if ((argcount = short_opt('O', av, &optarg))) { + options->orderfile = optarg; + return argcount; + } + else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) { + options->filter = optarg; + return argcount; + } else if (!strcmp(arg, "--abbrev")) options->abbrev = DEFAULT_ABBREV; else if (!prefixcmp(arg, "--abbrev=")) { @@@ -3299,31 -3203,26 +3302,31 @@@ else if (40 < options->abbrev) options->abbrev = 40; } - else if (!prefixcmp(arg, "--src-prefix=")) - options->a_prefix = arg + 13; - else if (!prefixcmp(arg, "--dst-prefix=")) - options->b_prefix = arg + 13; + else if ((argcount = parse_long_opt("src-prefix", av, &optarg))) { + options->a_prefix = optarg; + return argcount; + } + else if ((argcount = parse_long_opt("dst-prefix", av, &optarg))) { + options->b_prefix = optarg; + return argcount; + } else if (!strcmp(arg, "--no-prefix")) options->a_prefix = options->b_prefix = ""; else if (opt_arg(arg, '\0', "inter-hunk-context", &options->interhunkcontext)) ; - else if (!prefixcmp(arg, "--output=")) { - options->file = fopen(arg + strlen("--output="), "w"); + else if ((argcount = parse_long_opt("output", av, &optarg))) { + options->file = fopen(optarg, "w"); if (!options->file) - die_errno("Could not open '%s'", arg + strlen("--output=")); + die_errno("Could not open '%s'", optarg); options->close_file = 1; + return argcount; } else return 0; return 1; } - static int parse_num(const char **cp_p) + int parse_rename_score(const char **cp_p) { unsigned long num, scale; int ch, dot; @@@ -3366,10 -3265,26 +3369,26 @@@ static int diff_scoreopt_parse(const ch if (*opt++ != '-') return -1; cmd = *opt++; + if (cmd == '-') { + /* convert the long-form arguments into short-form versions */ + if (!prefixcmp(opt, "break-rewrites")) { + opt += strlen("break-rewrites"); + if (*opt == 0 || *opt++ == '=') + cmd = 'B'; + } else if (!prefixcmp(opt, "detect-copies")) { + opt += strlen("detect-copies"); + if (*opt == 0 || *opt++ == '=') + cmd = 'C'; + } else if (!prefixcmp(opt, "detect-renames")) { + opt += strlen("detect-renames"); + if (*opt == 0 || *opt++ == '=') + cmd = 'M'; + } + } if (cmd != 'M' && cmd != 'C' && cmd != 'B') return -1; /* that is not a -M, -C nor -B option */ - opt1 = parse_num(&opt); + opt1 = parse_rename_score(&opt); if (cmd != 'B') opt2 = 0; else { @@@ -3379,7 -3294,7 +3398,7 @@@ return -1; /* we expect -B80/99 or -B80 */ else { opt++; - opt2 = parse_num(&opt); + opt2 = parse_rename_score(&opt); } } if (*opt != 0) @@@ -3532,7 -3447,7 +3551,7 @@@ static void diff_flush_stat(struct diff if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) || (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) - return; /* no tree diffs in patch format */ + return; /* no useful stat for tree diffs */ run_diffstat(p, o, diffstat); } @@@ -3545,7 -3460,7 +3564,7 @@@ static void diff_flush_checkdiff(struc if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) || (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) - return; /* no tree diffs in patch format */ + return; /* nothing to check in tree diffs */ run_checkdiff(p, o); } @@@ -3861,13 -3776,6 +3880,13 @@@ static int diff_get_patch_id(struct dif len2, p->two->path); git_SHA1_Update(&ctx, buffer, len1); + if (diff_filespec_is_binary(p->one) || + diff_filespec_is_binary(p->two)) { + git_SHA1_Update(&ctx, sha1_to_hex(p->one->sha1), 40); + git_SHA1_Update(&ctx, sha1_to_hex(p->two->sha1), 40); + continue; + } + xpp.flags = 0; xecfg.ctxlen = 3; xecfg.flags = XDL_EMIT_FUNCNAMES; @@@ -4169,24 -4077,25 +4188,24 @@@ void diffcore_fix_diff_index(struct dif void diffcore_std(struct diff_options *options) { - /* We never run this function more than one time, because the - * rename/copy detection logic can only run once. - */ - if (diff_queued_diff.run) - return; - if (options->skip_stat_unmatch) diffcore_skip_stat_unmatch(options); - if (options->break_opt != -1) - diffcore_break(options->break_opt); - if (options->detect_rename) - diffcore_rename(options); - if (options->break_opt != -1) - diffcore_merge_broken(); + if (!options->found_follow) { + /* See try_to_follow_renames() in tree-diff.c */ + if (options->break_opt != -1) + diffcore_break(options->break_opt); + if (options->detect_rename) + diffcore_rename(options); + if (options->break_opt != -1) + diffcore_merge_broken(); + } if (options->pickaxe) - diffcore_pickaxe(options->pickaxe, options->pickaxe_opts); + diffcore_pickaxe(options); if (options->orderfile) diffcore_order(options->orderfile); - diff_resolve_rename_copy(); + if (!options->found_follow) + /* See try_to_follow_renames() in tree-diff.c */ + diff_resolve_rename_copy(); diffcore_apply_filter(options->filter); if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) @@@ -4194,7 -4103,7 +4213,7 @@@ else DIFF_OPT_CLR(options, HAS_CHANGES); - diff_queued_diff.run = 1; + options->found_follow = 0; } int diff_result_code(struct diff_options *opt, int status) @@@ -4212,24 -4121,6 +4231,24 @@@ return result; } +/* + * Shall changes to this submodule be ignored? + * + * Submodule changes can be configured to be ignored separately for each path, + * but that configuration can be overridden from the command line. + */ +static int is_submodule_ignored(const char *path, struct diff_options *options) +{ + int ignored = 0; + unsigned orig_flags = options->flags; + if (!DIFF_OPT_TST(options, OVERRIDE_SUBMODULE_CONFIG)) + set_diffopt_flags_from_submodule_config(options, path); + if (DIFF_OPT_TST(options, IGNORE_SUBMODULES)) + ignored = 1; + options->flags = orig_flags; + return ignored; +} + void diff_addremove(struct diff_options *options, int addremove, unsigned mode, const unsigned char *sha1, @@@ -4237,7 -4128,7 +4256,7 @@@ { struct diff_filespec *one, *two; - if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(mode)) + if (S_ISGITLINK(mode) && is_submodule_ignored(concatpath, options)) return; /* This may look odd, but it is a preparation for @@@ -4284,8 -4175,8 +4303,8 @@@ void diff_change(struct diff_options *o { struct diff_filespec *one, *two; - if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(old_mode) - && S_ISGITLINK(new_mode)) + if (S_ISGITLINK(old_mode) && S_ISGITLINK(new_mode) && + is_submodule_ignored(concatpath, options)) return; if (DIFF_OPT_TST(options, REVERSE_DIFF)) { diff --combined diff.h index 1fd44f5e47,dbd50961f1..0083d92438 --- a/diff.h +++ b/diff.h @@@ -77,7 -77,6 +77,7 @@@ typedef struct strbuf *(*diff_prefix_fn #define DIFF_OPT_DIRTY_SUBMODULES (1 << 24) #define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25) #define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26) +#define DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG (1 << 27) #define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag) #define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag) @@@ -127,9 -126,6 +127,9 @@@ struct diff_options /* this is set by diffcore for DIFF_FORMAT_PATCH */ int found_changes; + /* to support internal diff recursion by --follow hack*/ + int found_follow; + FILE *file; int close_file; @@@ -218,13 -214,6 +218,13 @@@ extern void diff_unmerge(struct diff_op #define DIFF_SETUP_USE_CACHE 2 #define DIFF_SETUP_USE_SIZE_CACHE 4 +/* + * Poor man's alternative to parse-option, to allow both sticked form + * (--option=value) and separate form (--option value). + */ +extern int parse_long_opt(const char *opt, const char **argv, + const char **optarg); + extern int git_diff_basic_config(const char *var, const char *value, void *cb); extern int git_diff_ui_config(const char *var, const char *value, void *cb); extern int diff_use_color_default; @@@ -238,9 -227,6 +238,9 @@@ extern int diff_setup_done(struct diff_ #define DIFF_PICKAXE_ALL 1 #define DIFF_PICKAXE_REGEX 2 +#define DIFF_PICKAXE_KIND_S 4 /* traditional plumbing counter */ +#define DIFF_PICKAXE_KIND_G 8 /* grep in the patch */ + extern void diffcore_std(struct diff_options *); extern void diffcore_fix_diff_index(struct diff_options *); @@@ -315,4 -301,6 +315,6 @@@ extern size_t fill_textconv(struct user extern struct userdiff_driver *get_textconv(struct diff_filespec *one); + extern int parse_rename_score(const char **cp_p); + #endif /* DIFF_H */ diff --combined merge-recursive.c index 325a97bf31,148c550fee..875859f68e --- a/merge-recursive.c +++ b/merge-recursive.c @@@ -20,7 -20,6 +20,7 @@@ #include "attr.h" #include "merge-recursive.h" #include "dir.h" +#include "submodule.h" static struct tree *shift_tree_object(struct tree *one, struct tree *two, const char *subtree_shift) @@@ -137,10 -136,16 +137,10 @@@ static void output_commit_title(struct if (parse_commit(commit) != 0) printf("(bad commit)\n"); else { - const char *s; - int len; - for (s = commit->buffer; *s; s++) - if (*s == '\n' && s[1] == '\n') { - s += 2; - break; - } - for (len = 0; s[len] && '\n' != s[len]; len++) - ; /* do nothing */ - printf("%.*s\n", len, s); + const char *title; + int len = find_commit_subject(commit->buffer, &title); + if (len) + printf("%.*s\n", len, title); } } } @@@ -180,7 -185,7 +180,7 @@@ static int git_merge_trees(int index_on opts.fn = threeway_merge; opts.src_index = &the_index; opts.dst_index = &the_index; - opts.msgs = get_porcelain_error_msgs(); + setup_unpack_trees_porcelain(&opts, "merge"); init_tree_desc_from_tree(t+0, common); init_tree_desc_from_tree(t+1, head); @@@ -233,9 -238,9 +233,9 @@@ static int save_files_dirs(const unsign newpath[baselen + len] = '\0'; if (S_ISDIR(mode)) - string_list_insert(newpath, &o->current_directory_set); + string_list_insert(&o->current_directory_set, newpath); else - string_list_insert(newpath, &o->current_file_set); + string_list_insert(&o->current_file_set, newpath); free(newpath); return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0); @@@ -266,7 -271,7 +266,7 @@@ static struct stage_data *insert_stage_ e->stages[2].sha, &e->stages[2].mode); get_tree_entry(b->object.sha1, path, e->stages[3].sha, &e->stages[3].mode); - item = string_list_insert(path, entries); + item = string_list_insert(entries, path); item->util = e; return e; } @@@ -289,9 -294,9 +289,9 @@@ static struct string_list *get_unmerged if (!ce_stage(ce)) continue; - item = string_list_lookup(ce->name, unmerged); + item = string_list_lookup(unmerged, ce->name); if (!item) { - item = string_list_insert(ce->name, unmerged); + item = string_list_insert(unmerged, ce->name); item->util = xcalloc(1, sizeof(struct stage_data)); } e = item->util; @@@ -334,6 -339,7 +334,7 @@@ static struct string_list *get_renames( opts.rename_limit = o->merge_rename_limit >= 0 ? o->merge_rename_limit : o->diff_rename_limit >= 0 ? o->diff_rename_limit : 500; + opts.rename_score = o->rename_score; opts.warn_on_too_large_rename = 1; opts.output_format = DIFF_FORMAT_NO_OUTPUT; if (diff_setup_done(&opts) < 0) @@@ -351,20 -357,20 +352,20 @@@ re = xmalloc(sizeof(*re)); re->processed = 0; re->pair = pair; - item = string_list_lookup(re->pair->one->path, entries); + item = string_list_lookup(entries, re->pair->one->path); if (!item) re->src_entry = insert_stage_data(re->pair->one->path, o_tree, a_tree, b_tree, entries); else re->src_entry = item->util; - item = string_list_lookup(re->pair->two->path, entries); + item = string_list_lookup(entries, re->pair->two->path); if (!item) re->dst_entry = insert_stage_data(re->pair->two->path, o_tree, a_tree, b_tree, entries); else re->dst_entry = item->util; - item = string_list_insert(pair->one->path, renames); + item = string_list_insert(renames, pair->one->path); item->util = re; } opts.output_format = DIFF_FORMAT_NO_OUTPUT; @@@ -427,7 -433,7 +428,7 @@@ static char *unique_path(struct merge_o lstat(newpath, &st) == 0) sprintf(p, "_%d", suffix++); - string_list_insert(newpath, &o->current_file_set); + string_list_insert(&o->current_file_set, newpath); return newpath; } @@@ -520,15 -526,13 +521,15 @@@ static void update_file_flags(struct me void *buf; unsigned long size; - if (S_ISGITLINK(mode)) + if (S_ISGITLINK(mode)) { /* * We may later decide to recursively descend into * the submodule directory and update its index * and/or work tree, but we do not do that now. */ + update_wd = 0; goto update_index; + } buf = read_sha1_file(sha, &type, &size); if (!buf) @@@ -716,8 -720,8 +717,8 @@@ static struct merge_file_info merge_fil free(result_buf.ptr); result.clean = (merge_status == 0); } else if (S_ISGITLINK(a->mode)) { - result.clean = 0; - hashcpy(result.sha, a->sha1); + result.clean = merge_submodule(result.sha, one->path, one->sha1, + a->sha1, b->sha1); } else if (S_ISLNK(a->mode)) { hashcpy(result.sha, a->sha1); @@@ -806,18 -810,17 +807,18 @@@ static int process_renames(struct merge struct string_list *b_renames) { int clean_merge = 1, i, j; - struct string_list a_by_dst = {NULL, 0, 0, 0}, b_by_dst = {NULL, 0, 0, 0}; + struct string_list a_by_dst = STRING_LIST_INIT_NODUP; + struct string_list b_by_dst = STRING_LIST_INIT_NODUP; const struct rename *sre; for (i = 0; i < a_renames->nr; i++) { sre = a_renames->items[i].util; - string_list_insert(sre->pair->two->path, &a_by_dst)->util + string_list_insert(&a_by_dst, sre->pair->two->path)->util = sre->dst_entry; } for (i = 0; i < b_renames->nr; i++) { sre = b_renames->items[i].util; - string_list_insert(sre->pair->two->path, &b_by_dst)->util + string_list_insert(&b_by_dst, sre->pair->two->path)->util = sre->dst_entry; } @@@ -956,12 -959,6 +957,12 @@@ ren1->pair->two : NULL, branch1 == o->branch1 ? NULL : ren1->pair->two, 1); + } else if ((dst_other.mode == ren1->pair->two->mode) && + sha_eq(dst_other.sha1, ren1->pair->two->sha1)) { + /* Added file on the other side + identical to the file being + renamed: clean merge */ + update_file(o, 1, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst); } else if (!sha_eq(dst_other.sha1, null_sha1)) { const char *new_path; clean_merge = 0; @@@ -995,7 -992,7 +996,7 @@@ output(o, 1, "Adding as %s instead", new_path); update_file(o, 0, dst_other.sha1, dst_other.mode, new_path); } - } else if ((item = string_list_lookup(ren1_dst, renames2Dst))) { + } else if ((item = string_list_lookup(renames2Dst, ren1_dst))) { ren2 = item->util; clean_merge = 0; ren2->processed = 1; @@@ -1026,22 -1023,14 +1027,22 @@@ if (mfi.clean && sha_eq(mfi.sha, ren1->pair->two->sha1) && - mfi.mode == ren1->pair->two->mode) + mfi.mode == ren1->pair->two->mode) { /* - * This messaged is part of + * This message is part of * t6022 test. If you change * it update the test too. */ output(o, 3, "Skipped %s (merged same as existing)", ren1_dst); - else { + + /* There may be higher stage entries left + * in the index (e.g. due to a D/F + * conflict) that need to be resolved. + */ + if (!ren1->dst_entry->stages[2].mode != + !ren1->dst_entry->stages[3].mode) + ren1->dst_entry->processed = 0; + } else { if (mfi.merge || !mfi.clean) output(o, 1, "Renaming %s => %s", ren1_src, ren1_dst); if (mfi.merge) @@@ -1135,7 -1124,6 +1136,7 @@@ static int process_entry(struct merge_o unsigned char *a_sha = stage_sha(entry->stages[2].sha, a_mode); unsigned char *b_sha = stage_sha(entry->stages[3].sha, b_mode); + entry->processed = 1; if (o_sha && (!a_sha || !b_sha)) { /* Case A: Deleted in one */ if ((!a_sha && !b_sha) || @@@ -1168,28 -1156,33 +1169,28 @@@ } else if ((!o_sha && a_sha && !b_sha) || (!o_sha && !a_sha && b_sha)) { /* Case B: Added in one. */ - const char *add_branch; - const char *other_branch; unsigned mode; const unsigned char *sha; - const char *conf; if (a_sha) { - add_branch = o->branch1; - other_branch = o->branch2; mode = a_mode; sha = a_sha; - conf = "file/directory"; } else { - add_branch = o->branch2; - other_branch = o->branch1; mode = b_mode; sha = b_sha; - conf = "directory/file"; } if (string_list_has_string(&o->current_directory_set, path)) { - const char *new_path = unique_path(o, path, add_branch); - clean_merge = 0; - output(o, 1, "CONFLICT (%s): There is a directory with name %s in %s. " - "Adding %s as %s", - conf, path, other_branch, path, new_path); - remove_file(o, 0, path, 0); - update_file(o, 0, sha, mode, new_path); + /* Handle D->F conflicts after all subfiles */ + entry->processed = 0; + /* But get any file out of the way now, so conflicted + * entries below the directory of the same name can + * be put in the working directory. + */ + if (a_sha) + output(o, 2, "Removing %s", path); + /* do not touch working file if it did not exist */ + remove_file(o, 0, path, !a_sha); + return 1; /* Assume clean till processed */ } else { output(o, 2, "Adding %s", path); update_file(o, 1, sha, mode, path); @@@ -1237,62 -1230,26 +1238,62 @@@ return clean_merge; } -struct unpack_trees_error_msgs get_porcelain_error_msgs(void) +/* + * Per entry merge function for D/F conflicts, to be called only after + * all files below dir have been processed. We do this because in the + * cases we can cleanly resolve D/F conflicts, process_entry() can clean + * out all the files below the directory for us. + */ +static int process_df_entry(struct merge_options *o, + const char *path, struct stage_data *entry) { - struct unpack_trees_error_msgs msgs = { - /* would_overwrite */ - "Your local changes to '%s' would be overwritten by merge. Aborting.", - /* not_uptodate_file */ - "Your local changes to '%s' would be overwritten by merge. Aborting.", - /* not_uptodate_dir */ - "Updating '%s' would lose untracked files in it. Aborting.", - /* would_lose_untracked */ - "Untracked working tree file '%s' would be %s by merge. Aborting", - /* bind_overlap -- will not happen here */ - NULL, - }; - if (advice_commit_before_merge) { - msgs.would_overwrite = msgs.not_uptodate_file = - "Your local changes to '%s' would be overwritten by merge. Aborting.\n" - "Please, commit your changes or stash them before you can merge."; + int clean_merge = 1; + unsigned o_mode = entry->stages[1].mode; + unsigned a_mode = entry->stages[2].mode; + unsigned b_mode = entry->stages[3].mode; + unsigned char *o_sha = stage_sha(entry->stages[1].sha, o_mode); + unsigned char *a_sha = stage_sha(entry->stages[2].sha, a_mode); + unsigned char *b_sha = stage_sha(entry->stages[3].sha, b_mode); + const char *add_branch; + const char *other_branch; + unsigned mode; + const unsigned char *sha; + const char *conf; + struct stat st; + + /* We currently only handle D->F cases */ + assert((!o_sha && a_sha && !b_sha) || + (!o_sha && !a_sha && b_sha)); + + entry->processed = 1; + + if (a_sha) { + add_branch = o->branch1; + other_branch = o->branch2; + mode = a_mode; + sha = a_sha; + conf = "file/directory"; + } else { + add_branch = o->branch2; + other_branch = o->branch1; + mode = b_mode; + sha = b_sha; + conf = "directory/file"; } - return msgs; + if (lstat(path, &st) == 0 && S_ISDIR(st.st_mode)) { + const char *new_path = unique_path(o, path, add_branch); + clean_merge = 0; + output(o, 1, "CONFLICT (%s): There is a directory with name %s in %s. " + "Adding %s as %s", + conf, path, other_branch, path, new_path); + remove_file(o, 0, path, 0); + update_file(o, 0, sha, mode, new_path); + } else { + output(o, 2, "Adding %s", path); + update_file(o, 1, sha, mode, path); + } + + return clean_merge; } int merge_trees(struct merge_options *o, @@@ -1309,7 -1266,7 +1310,7 @@@ } if (sha_eq(common->object.sha1, merge->object.sha1)) { - output(o, 0, "Already uptodate!"); + output(o, 0, "Already up-to-date!"); *result = head; return 1; } @@@ -1344,13 -1301,6 +1345,13 @@@ && !process_entry(o, path, e)) clean = 0; } + for (i = 0; i < entries->nr; i++) { + const char *path = entries->items[i].string; + struct stage_data *e = entries->items[i].util; + if (!e->processed + && !process_df_entry(o, path, e)) + clean = 0; + } string_list_clear(re_merge, 0); string_list_clear(re_head, 0); @@@ -1576,6 -1526,11 +1577,11 @@@ int parse_merge_opt(struct merge_option o->renormalize = 1; else if (!strcmp(s, "no-renormalize")) o->renormalize = 0; + else if (!prefixcmp(s, "rename-threshold=")) { + const char *score = s + strlen("rename-threshold="); + if ((o->rename_score = parse_rename_score(&score)) == -1 || *score != 0) + return -1; + } else return -1; return 0; diff --combined merge-recursive.h index 2eb5d1aad5,54420f1556..c8135b0ec7 --- a/merge-recursive.h +++ b/merge-recursive.h @@@ -19,12 -19,16 +19,13 @@@ struct merge_options int verbosity; int diff_rename_limit; int merge_rename_limit; + int rename_score; int call_depth; struct strbuf obuf; struct string_list current_file_set; struct string_list current_directory_set; }; -/* Return a list of user-friendly error messages to be used by merge */ -struct unpack_trees_error_msgs get_porcelain_error_msgs(void); - /* merge_trees() but with recursive ancestor consolidation */ int merge_recursive(struct merge_options *o, struct commit *h1,