X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=commit.c;h=4ca4d44ba0d648c6c102ac17160b69f6f0f02836;hb=6cfec0368038ec4c564798701e95a84658e6b705;hp=718e568855a37586f99f20bcfafd44cf3aa2b657;hpb=2603fa5fb358ee7834bc9e1a2e391f69d8fce815;p=git.git diff --git a/commit.c b/commit.c index 718e56885..4ca4d44ba 100644 --- a/commit.c +++ b/commit.c @@ -4,6 +4,8 @@ #include "pkt-line.h" #include "utf8.h" #include "interpolate.h" +#include "diff.h" +#include "revision.h" int save_commit_buffer = 1; @@ -96,12 +98,8 @@ struct commit *lookup_commit_reference(const unsigned char *sha1) struct commit *lookup_commit(const unsigned char *sha1) { struct object *obj = lookup_object(sha1); - if (!obj) { - struct commit *ret = alloc_commit_node(); - created_object(sha1, &ret->object); - ret->object.type = OBJ_COMMIT; - return ret; - } + if (!obj) + return create_object(sha1, OBJ_COMMIT, alloc_commit_node()); if (!obj->type) obj->type = OBJ_COMMIT; return check_commit(obj, sha1, 0); @@ -150,7 +148,7 @@ static int commit_graft_pos(const unsigned char *sha1) int register_commit_graft(struct commit_graft *graft, int ignore_dups) { int pos = commit_graft_pos(graft->sha1); - + if (0 <= pos) { if (ignore_dups) free(graft); @@ -408,7 +406,7 @@ struct commit_list * insert_by_date(struct commit *item, struct commit_list **li return commit_list_insert(item, pp); } - + void sort_by_date(struct commit_list **list) { struct commit_list *ret = NULL; @@ -513,12 +511,16 @@ static int add_rfc2047(char *buf, const char *line, int len, bp += i; for (i = 0; i < len; i++) { unsigned ch = line[i] & 0xFF; - if (is_rfc2047_special(ch)) { + /* + * We encode ' ' using '=20' even though rfc2047 + * allows using '_' for readability. Unfortunately, + * many programs do not understand this and just + * leave the underscore in place. + */ + if (is_rfc2047_special(ch) || ch == ' ') { sprintf(bp, "=%02X", ch); bp += 3; } - else if (ch == ' ') - *bp++ = '_'; else *bp++ = ch; } @@ -528,7 +530,7 @@ static int add_rfc2047(char *buf, const char *line, int len, } static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, - const char *line, int relative_date, + const char *line, enum date_mode dmode, const char *encoding) { char *date; @@ -571,7 +573,7 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, switch (fmt) { case CMIT_FMT_MEDIUM: ret += sprintf(buf + ret, "Date: %s\n", - show_date(time, tz, relative_date)); + show_date(time, tz, dmode)); break; case CMIT_FMT_EMAIL: ret += sprintf(buf + ret, "Date: %s\n", @@ -579,7 +581,7 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, break; case CMIT_FMT_FULLER: ret += sprintf(buf + ret, "%sDate: %s\n", what, - show_date(time, tz, relative_date)); + show_date(time, tz, dmode)); break; default: /* notin' */ @@ -640,7 +642,9 @@ static char *get_header(const struct commit *commit, const char *key) next = NULL; } else next = eol + 1; - if (!strncmp(line, key, key_len) && line[key_len] == ' ') { + if (eol - line > key_len && + !strncmp(line, key, key_len) && + line[key_len] == ' ') { int len = eol - line - key_len; char *ret = xmalloc(len); memcpy(ret, line + key_len + 1, len - 1); @@ -654,6 +658,7 @@ static char *get_header(const struct commit *commit, const char *key) static char *replace_encoding_header(char *buf, const char *encoding) { char *encoding_header = strstr(buf, "\nencoding "); + char *header_end = strstr(buf, "\n\n"); char *end_of_encoding_header; int encoding_header_pos; int encoding_header_len; @@ -661,8 +666,10 @@ static char *replace_encoding_header(char *buf, const char *encoding) int need_len; int buflen = strlen(buf) + 1; - if (!encoding_header) - return buf; /* should not happen but be defensive */ + if (!header_end) + header_end = buf + buflen; + if (!encoding_header || encoding_header >= header_end) + return buf; encoding_header++; end_of_encoding_header = strchr(encoding_header, '\n'); if (!end_of_encoding_header) @@ -717,14 +724,6 @@ static char *logmsg_reencode(const struct commit *commit, return out; } -static char *xstrndup(const char *text, int len) -{ - char *result = xmalloc(len + 1); - memcpy(result, text, len); - result[len] = '\0'; - return result; -} - static void fill_person(struct interp *table, const char *msg, int len) { int start, end, tz = 0; @@ -760,7 +759,7 @@ static void fill_person(struct interp *table, const char *msg, int len) if (msg + start == ep) return; - table[5].value = xstrndup(msg + start, ep - msg + start); + table[5].value = xstrndup(msg + start, ep - (msg + start)); /* parse tz */ for (start = ep - msg + 1; start < len && isspace(msg[start]); start++) @@ -805,7 +804,8 @@ static long format_commit_message(const struct commit *commit, { "%Cgreen" }, /* green */ { "%Cblue" }, /* blue */ { "%Creset" }, /* reset color */ - { "%n" } /* newline */ + { "%n" }, /* newline */ + { "%m" }, /* left/right/bottom */ }; enum interp_index { IHASH = 0, IHASH_ABBREV, @@ -821,14 +821,15 @@ static long format_commit_message(const struct commit *commit, ISUBJECT, IBODY, IRED, IGREEN, IBLUE, IRESET_COLOR, - INEWLINE + INEWLINE, + ILEFT_RIGHT, }; struct commit_list *p; char parents[1024]; int i; enum { HEADER, SUBJECT, BODY } state; - if (INEWLINE + 1 != ARRAY_SIZE(table)) + if (ILEFT_RIGHT + 1 != ARRAY_SIZE(table)) die("invalid interp table!"); /* these are independent of the commit */ @@ -849,19 +850,29 @@ static long format_commit_message(const struct commit *commit, interp_set_entry(table, ITREE_ABBREV, find_unique_abbrev(commit->tree->object.sha1, DEFAULT_ABBREV)); + interp_set_entry(table, ILEFT_RIGHT, + (commit->object.flags & BOUNDARY) + ? "-" + : (commit->object.flags & SYMMETRIC_LEFT) + ? "<" + : ">"); + + parents[1] = 0; for (i = 0, p = commit->parents; p && i < sizeof(parents) - 1; p = p->next) - i += snprintf(parents + i, sizeof(parents) - i - 1, "%s ", + i += snprintf(parents + i, sizeof(parents) - i - 1, " %s", sha1_to_hex(p->item->object.sha1)); - interp_set_entry(table, IPARENTS, parents); + interp_set_entry(table, IPARENTS, parents + 1); + + parents[1] = 0; for (i = 0, p = commit->parents; p && i < sizeof(parents) - 1; p = p->next) - i += snprintf(parents + i, sizeof(parents) - i - 1, "%s ", + i += snprintf(parents + i, sizeof(parents) - i - 1, " %s", find_unique_abbrev(p->item->object.sha1, DEFAULT_ABBREV)); - interp_set_entry(table, IPARENTS_ABBREV, parents); + interp_set_entry(table, IPARENTS_ABBREV, parents + 1); for (i = 0, state = HEADER; msg[i] && state < BODY; i++) { int eol; @@ -884,7 +895,8 @@ static long format_commit_message(const struct commit *commit, fill_person(table + ICOMMITTER_NAME, msg + i + 10, eol - i - 10); else if (!prefixcmp(msg + i, "encoding ")) - table[IENCODING].value = xstrndup(msg + i, eol - i); + table[IENCODING].value = + xstrndup(msg + i + 9, eol - i - 9); i = eol; } if (msg[i]) @@ -905,7 +917,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, - int relative_date) + enum date_mode dmode) { int hdr = 1, body = 0, seen_title = 0; unsigned long offset = 0; @@ -1009,14 +1021,14 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, offset += add_user_info("Author", fmt, buf + offset, line + 7, - relative_date, + dmode, encoding); if (!memcmp(line, "committer ", 10) && (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER)) offset += add_user_info("Commit", fmt, buf + offset, line + 10, - relative_date, + dmode, encoding); continue; } @@ -1055,6 +1067,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, int sz; char header[512]; const char *header_fmt = + "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=%s\n" "Content-Transfer-Encoding: 8bit\n"; sz = snprintf(header, sizeof(header), header_fmt, @@ -1103,15 +1116,6 @@ struct commit *pop_commit(struct commit_list **stack) return item; } -int count_parents(struct commit * commit) -{ - int count; - struct commit_list * parents = commit->parents; - for (count = 0; parents; parents = parents->next,count++) - ; - return count; -} - void topo_sort_default_setter(struct commit *c, void *data) { c->util = data; @@ -1147,7 +1151,7 @@ void sort_in_topological_order_fn(struct commit_list ** list, int lifo, next = next->next; count++; } - + if (!count) return; /* allocate an array to help sort the list */ @@ -1175,11 +1179,11 @@ void sort_in_topological_order_fn(struct commit_list ** list, int lifo, } next=next->next; } - /* + /* * find the tips * - * tips are nodes not reachable from any other node in the list - * + * tips are nodes not reachable from any other node in the list + * * the tips serve as a starting set for the work queue. */ next=*list; @@ -1207,7 +1211,7 @@ void sort_in_topological_order_fn(struct commit_list ** list, int lifo, if (pn) { /* - * parents are only enqueued for emission + * parents are only enqueued for emission * when all their children have been emitted thereby * guaranteeing topological order. */