diff options
Diffstat (limited to 'diff.c')
-rw-r--r-- | diff.c | 157 |
1 files changed, 90 insertions, 67 deletions
@@ -25,7 +25,7 @@ #include "packfile.h" #include "parse-options.h" #include "help.h" -#include "fetch-object.h" +#include "promisor-remote.h" #ifdef NO_FAST_WORKING_DIRECTORY #define FAST_WORKING_DIRECTORY 0 @@ -933,16 +933,18 @@ static int cmp_in_block_with_wsd(const struct diff_options *o, } static int moved_entry_cmp(const void *hashmap_cmp_fn_data, - const void *entry, - const void *entry_or_key, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *keydata) { const struct diff_options *diffopt = hashmap_cmp_fn_data; - const struct moved_entry *a = entry; - const struct moved_entry *b = entry_or_key; + const struct moved_entry *a, *b; unsigned flags = diffopt->color_moved_ws_handling & XDF_WHITESPACE_FLAGS; + a = container_of(eptr, const struct moved_entry, ent); + b = container_of(entry_or_key, const struct moved_entry, ent); + if (diffopt->color_moved_ws_handling & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) /* @@ -964,8 +966,9 @@ static struct moved_entry *prepare_entry(struct diff_options *o, struct moved_entry *ret = xmalloc(sizeof(*ret)); struct emitted_diff_symbol *l = &o->emitted_symbols->buf[line_no]; unsigned flags = o->color_moved_ws_handling & XDF_WHITESPACE_FLAGS; + unsigned int hash = xdiff_hash_string(l->line, l->len, flags); - ret->ent.hash = xdiff_hash_string(l->line, l->len, flags); + hashmap_entry_init(&ret->ent, hash); ret->es = l; ret->next_line = NULL; @@ -1002,7 +1005,7 @@ static void add_lines_to_move_detection(struct diff_options *o, if (prev_line && prev_line->es->s == o->emitted_symbols->buf[n].s) prev_line->next_line = key; - hashmap_add(hm, key); + hashmap_add(hm, &key->ent); prev_line = key; } } @@ -1018,7 +1021,7 @@ static void pmb_advance_or_null(struct diff_options *o, struct moved_entry *prev = pmb[i].match; struct moved_entry *cur = (prev && prev->next_line) ? prev->next_line : NULL; - if (cur && !hm->cmpfn(o, cur, match, NULL)) { + if (cur && !hm->cmpfn(o, &cur->ent, &match->ent, NULL)) { pmb[i].match = cur; } else { pmb[i].match = NULL; @@ -1035,7 +1038,7 @@ static void pmb_advance_or_null_multi_match(struct diff_options *o, int i; char *got_match = xcalloc(1, pmb_nr); - for (; match; match = hashmap_get_next(hm, match)) { + hashmap_for_each_entry_from(hm, match, ent) { for (i = 0; i < pmb_nr; i++) { struct moved_entry *prev = pmb[i].match; struct moved_entry *cur = (prev && prev->next_line) ? @@ -1143,13 +1146,13 @@ static void mark_color_as_moved(struct diff_options *o, case DIFF_SYMBOL_PLUS: hm = del_lines; key = prepare_entry(o, n); - match = hashmap_get(hm, key, NULL); + match = hashmap_get_entry(hm, key, ent, NULL); free(key); break; case DIFF_SYMBOL_MINUS: hm = add_lines; key = prepare_entry(o, n); - match = hashmap_get(hm, key, NULL); + match = hashmap_get_entry(hm, key, ent, NULL); free(key); break; default: @@ -1188,7 +1191,7 @@ static void mark_color_as_moved(struct diff_options *o, * The current line is the start of a new block. * Setup the set of potential blocks. */ - for (; match; match = hashmap_get_next(hm, match)) { + hashmap_for_each_entry_from(hm, match, ent) { ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc); if (o->color_moved_ws_handling & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) { @@ -1673,7 +1676,10 @@ static void emit_hunk_header(struct emit_callback *ecbdata, if (ecbdata->opt->flags.dual_color_diffed_diffs) strbuf_addstr(&msgbuf, reverse); strbuf_addstr(&msgbuf, frag); - strbuf_add(&msgbuf, line, ep - line); + if (ecbdata->opt->flags.suppress_hunk_header_line_count) + strbuf_add(&msgbuf, atat, sizeof(atat)); + else + strbuf_add(&msgbuf, line, ep - line); strbuf_addstr(&msgbuf, reset); /* @@ -2489,22 +2495,6 @@ static void pprint_rename(struct strbuf *name, const char *a, const char *b) } } -struct diffstat_t { - int nr; - int alloc; - struct diffstat_file { - char *from_name; - char *name; - char *print_name; - const char *comments; - unsigned is_unmerged:1; - unsigned is_binary:1; - unsigned is_renamed:1; - unsigned is_interesting:1; - uintmax_t added, deleted; - } **files; -}; - static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat, const char *name_a, const char *name_b) @@ -2545,7 +2535,7 @@ static int scale_linear(int it, int width, int max_change) /* * make sure that at least one '-' or '+' is printed if * there is any change to this path. The easiest way is to - * scale linearly as if the alloted width is one column shorter + * scale linearly as if the allotted width is one column shorter * than it is, and then add 1 to the result. */ return 1 + (it * (width - 1) / max_change); @@ -3151,7 +3141,7 @@ static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *o gather_dirstat(options, &dir, changed, "", 0); } -static void free_diffstat_info(struct diffstat_t *diffstat) +void free_diffstat_info(struct diffstat_t *diffstat) { int i; for (i = 0; i < diffstat->nr; i++) { @@ -3190,7 +3180,7 @@ static int is_conflict_marker(const char *line, int marker_size, unsigned long l for (cnt = 1; cnt < marker_size; cnt++) if (line[cnt] != firstchar) return 0; - /* line[1] thru line[marker_size-1] are same as firstchar */ + /* line[1] through line[marker_size-1] are same as firstchar */ if (len < marker_size + 1 || !isspace(line[marker_size])) return 0; return 1; @@ -5975,7 +5965,7 @@ static void diff_summary(struct diff_options *opt, struct diff_filepair *p) } struct patch_id_t { - git_SHA_CTX *ctx; + git_hash_ctx *ctx; int patchlen; }; @@ -5992,6 +5982,22 @@ static int remove_space(char *line, int len) return dst - line; } +void flush_one_hunk(struct object_id *result, git_hash_ctx *ctx) +{ + unsigned char hash[GIT_MAX_RAWSZ]; + unsigned short carry = 0; + int i; + + the_hash_algo->final_fn(hash, ctx); + the_hash_algo->init_fn(ctx); + /* 20-byte sum, with carry */ + for (i = 0; i < the_hash_algo->rawsz; ++i) { + carry += result->hash[i] + hash[i]; + result->hash[i] = carry; + carry >>= 8; + } +} + static void patch_id_consume(void *priv, char *line, unsigned long len) { struct patch_id_t *data = priv; @@ -5999,34 +6005,35 @@ static void patch_id_consume(void *priv, char *line, unsigned long len) new_len = remove_space(line, len); - git_SHA1_Update(data->ctx, line, new_len); + the_hash_algo->update_fn(data->ctx, line, new_len); data->patchlen += new_len; } -static void patch_id_add_string(git_SHA_CTX *ctx, const char *str) +static void patch_id_add_string(git_hash_ctx *ctx, const char *str) { - git_SHA1_Update(ctx, str, strlen(str)); + the_hash_algo->update_fn(ctx, str, strlen(str)); } -static void patch_id_add_mode(git_SHA_CTX *ctx, unsigned mode) +static void patch_id_add_mode(git_hash_ctx *ctx, unsigned mode) { /* large enough for 2^32 in octal */ char buf[12]; int len = xsnprintf(buf, sizeof(buf), "%06o", mode); - git_SHA1_Update(ctx, buf, len); + the_hash_algo->update_fn(ctx, buf, len); } -/* returns 0 upon success, and writes result into sha1 */ -static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only) +/* returns 0 upon success, and writes result into oid */ +static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only, int stable) { struct diff_queue_struct *q = &diff_queued_diff; int i; - git_SHA_CTX ctx; + git_hash_ctx ctx; struct patch_id_t data; - git_SHA1_Init(&ctx); + the_hash_algo->init_fn(&ctx); memset(&data, 0, sizeof(struct patch_id_t)); data.ctx = &ctx; + oidclr(oid); for (i = 0; i < q->nr; i++) { xpparam_t xpp; @@ -6056,27 +6063,27 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid len2 = remove_space(p->two->path, strlen(p->two->path)); patch_id_add_string(&ctx, "diff--git"); patch_id_add_string(&ctx, "a/"); - git_SHA1_Update(&ctx, p->one->path, len1); + the_hash_algo->update_fn(&ctx, p->one->path, len1); patch_id_add_string(&ctx, "b/"); - git_SHA1_Update(&ctx, p->two->path, len2); + the_hash_algo->update_fn(&ctx, p->two->path, len2); if (p->one->mode == 0) { patch_id_add_string(&ctx, "newfilemode"); patch_id_add_mode(&ctx, p->two->mode); patch_id_add_string(&ctx, "---/dev/null"); patch_id_add_string(&ctx, "+++b/"); - git_SHA1_Update(&ctx, p->two->path, len2); + the_hash_algo->update_fn(&ctx, p->two->path, len2); } else if (p->two->mode == 0) { patch_id_add_string(&ctx, "deletedfilemode"); patch_id_add_mode(&ctx, p->one->mode); patch_id_add_string(&ctx, "---a/"); - git_SHA1_Update(&ctx, p->one->path, len1); + the_hash_algo->update_fn(&ctx, p->one->path, len1); patch_id_add_string(&ctx, "+++/dev/null"); } else { patch_id_add_string(&ctx, "---a/"); - git_SHA1_Update(&ctx, p->one->path, len1); + the_hash_algo->update_fn(&ctx, p->one->path, len1); patch_id_add_string(&ctx, "+++b/"); - git_SHA1_Update(&ctx, p->two->path, len2); + the_hash_algo->update_fn(&ctx, p->two->path, len2); } if (diff_header_only) @@ -6088,10 +6095,10 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid if (diff_filespec_is_binary(options->repo, p->one) || diff_filespec_is_binary(options->repo, p->two)) { - git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid), - GIT_SHA1_HEXSZ); - git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid), - GIT_SHA1_HEXSZ); + the_hash_algo->update_fn(&ctx, oid_to_hex(&p->one->oid), + the_hash_algo->hexsz); + the_hash_algo->update_fn(&ctx, oid_to_hex(&p->two->oid), + the_hash_algo->hexsz); continue; } @@ -6102,17 +6109,22 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid patch_id_consume, &data, &xpp, &xecfg)) return error("unable to generate patch-id diff for %s", p->one->path); + + if (stable) + flush_one_hunk(oid, &ctx); } - git_SHA1_Final(oid->hash, &ctx); + if (!stable) + the_hash_algo->final_fn(oid->hash, &ctx); + return 0; } -int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only) +int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only, int stable) { struct diff_queue_struct *q = &diff_queued_diff; int i; - int result = diff_get_patch_id(options, oid, diff_header_only); + int result = diff_get_patch_id(options, oid, diff_header_only, stable); for (i = 0; i < q->nr; i++) diff_free_filepair(q->queue[i]); @@ -6205,8 +6217,10 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o) if (o->color_moved == COLOR_MOVED_ZEBRA_DIM) dim_moved_lines(o); - hashmap_free(&add_lines, 1); - hashmap_free(&del_lines, 1); + hashmap_free_entries(&add_lines, struct moved_entry, + ent); + hashmap_free_entries(&del_lines, struct moved_entry, + ent); } for (i = 0; i < esm.nr; i++) @@ -6253,12 +6267,7 @@ void diff_flush(struct diff_options *options) dirstat_by_line) { struct diffstat_t diffstat; - memset(&diffstat, 0, sizeof(struct diffstat_t)); - for (i = 0; i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - if (check_pair_status(p)) - diff_flush_stat(p, options, &diffstat); - } + compute_diffstat(options, &diffstat, q); if (output_format & DIFF_FORMAT_NUMSTAT) show_numstat(&diffstat, options); if (output_format & DIFF_FORMAT_DIFFSTAT) @@ -6487,6 +6496,7 @@ static void add_if_missing(struct repository *r, const struct diff_filespec *filespec) { if (filespec && filespec->oid_valid && + !S_ISGITLINK(filespec->mode) && oid_object_info_extended(r, &filespec->oid, NULL, OBJECT_INFO_FOR_PREFETCH)) oid_array_append(to_fetch, &filespec->oid); @@ -6494,8 +6504,7 @@ static void add_if_missing(struct repository *r, void diffcore_std(struct diff_options *options) { - if (options->repo == the_repository && - repository_format_partial_clone) { + if (options->repo == the_repository && has_promisor_remote()) { /* * Prefetch the diff pairs that are about to be flushed. */ @@ -6512,8 +6521,8 @@ void diffcore_std(struct diff_options *options) /* * NEEDSWORK: Consider deduplicating the OIDs sent. */ - fetch_objects(repository_format_partial_clone, - to_fetch.oid, to_fetch.nr); + promisor_remote_get_direct(options->repo, + to_fetch.oid, to_fetch.nr); oid_array_clear(&to_fetch); } @@ -6591,6 +6600,20 @@ static int is_submodule_ignored(const char *path, struct diff_options *options) return ignored; } +void compute_diffstat(struct diff_options *options, + struct diffstat_t *diffstat, + struct diff_queue_struct *q) +{ + int i; + + memset(diffstat, 0, sizeof(struct diffstat_t)); + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + if (check_pair_status(p)) + diff_flush_stat(p, options, diffstat); + } +} + void diff_addremove(struct diff_options *options, int addremove, unsigned mode, const struct object_id *oid, |