diff options
Diffstat (limited to 'commit.c')
| -rw-r--r-- | commit.c | 181 |
1 files changed, 171 insertions, 10 deletions
@@ -1,6 +1,8 @@ #include "cache.h" #include "tag.h" #include "commit.h" +#include "pkt-line.h" +#include "utf8.h" int save_commit_buffer = 1; @@ -221,6 +223,8 @@ static void prepare_commit_graft(void) return; graft_file = get_graft_file(); read_graft_file(graft_file); + /* make sure shallows are read */ + is_repository_shallow(); commit_graft_prepared = 1; } @@ -234,6 +238,37 @@ static struct commit_graft *lookup_commit_graft(const unsigned char *sha1) return commit_graft[pos]; } +int write_shallow_commits(int fd, int use_pack_protocol) +{ + int i, count = 0; + for (i = 0; i < commit_graft_nr; i++) + if (commit_graft[i]->nr_parent < 0) { + const char *hex = + sha1_to_hex(commit_graft[i]->sha1); + count++; + if (use_pack_protocol) + packet_write(fd, "shallow %s", hex); + else { + write(fd, hex, 40); + write(fd, "\n", 1); + } + } + return count; +} + +int unregister_shallow(const unsigned char *sha1) +{ + int pos = commit_graft_pos(sha1); + if (pos < 0) + return -1; + if (pos + 1 < commit_graft_nr) + memcpy(commit_graft + pos, commit_graft + pos + 1, + sizeof(struct commit_graft *) + * (commit_graft_nr - pos - 1)); + commit_graft_nr--; + return 0; +} + int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size) { char *tail = buffer; @@ -563,17 +598,121 @@ static int add_merge_info(enum cmit_fmt fmt, char *buf, const struct commit *com return offset; } -unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit, - unsigned long len, char *buf, unsigned long space, +static char *get_header(const struct commit *commit, const char *key) +{ + int key_len = strlen(key); + const char *line = commit->buffer; + + for (;;) { + const char *eol = strchr(line, '\n'), *next; + + if (line == eol) + return NULL; + if (!eol) { + eol = line + strlen(line); + next = NULL; + } else + next = eol + 1; + if (!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); + ret[len - 1] = '\0'; + return ret; + } + line = next; + } +} + +static char *replace_encoding_header(char *buf, char *encoding) +{ + char *encoding_header = strstr(buf, "\nencoding "); + char *end_of_encoding_header; + int encoding_header_pos; + int encoding_header_len; + int new_len; + int need_len; + int buflen = strlen(buf) + 1; + + if (!encoding_header) + return buf; /* should not happen but be defensive */ + encoding_header++; + end_of_encoding_header = strchr(encoding_header, '\n'); + if (!end_of_encoding_header) + return buf; /* should not happen but be defensive */ + end_of_encoding_header++; + + encoding_header_len = end_of_encoding_header - encoding_header; + encoding_header_pos = encoding_header - buf; + + if (is_encoding_utf8(encoding)) { + /* we have re-coded to UTF-8; drop the header */ + memmove(encoding_header, end_of_encoding_header, + buflen - (encoding_header_pos + encoding_header_len)); + return buf; + } + new_len = strlen(encoding); + need_len = new_len + strlen("encoding \n"); + if (encoding_header_len < need_len) { + buf = xrealloc(buf, buflen + (need_len - encoding_header_len)); + encoding_header = buf + encoding_header_pos; + end_of_encoding_header = encoding_header + encoding_header_len; + } + memmove(end_of_encoding_header + (need_len - encoding_header_len), + end_of_encoding_header, + buflen - (encoding_header_pos + encoding_header_len)); + memcpy(encoding_header + 9, encoding, strlen(encoding)); + encoding_header[9 + new_len] = '\n'; + return buf; +} + +static char *logmsg_reencode(const struct commit *commit) +{ + char *encoding; + char *out; + char *output_encoding = (git_log_output_encoding + ? git_log_output_encoding + : git_commit_encoding); + + if (!output_encoding) + output_encoding = "utf-8"; + else if (!*output_encoding) + return NULL; + encoding = get_header(commit, "encoding"); + if (!encoding) + return NULL; + if (!strcmp(encoding, output_encoding)) + out = strdup(commit->buffer); + else + out = reencode_string(commit->buffer, + output_encoding, encoding); + if (out) + out = replace_encoding_header(out, output_encoding); + + free(encoding); + if (!out) + return NULL; + return out; +} + +unsigned long pretty_print_commit(enum cmit_fmt fmt, + const struct commit *commit, + unsigned long len, + char *buf, unsigned long space, int abbrev, const char *subject, - const char *after_subject, int relative_date) + const char *after_subject, + int relative_date) { - int hdr = 1, body = 0; + int hdr = 1, body = 0, seen_title = 0; unsigned long offset = 0; int indent = 4; int parents_shown = 0; const char *msg = commit->buffer; int plain_non_ascii = 0; + char *reencoded = logmsg_reencode(commit); + + if (reencoded) + msg = reencoded; if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL) indent = 0; @@ -590,7 +729,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit for (in_body = i = 0; (ch = msg[i]) && i < len; i++) { if (!in_body) { /* author could be non 7-bit ASCII but - * the log may so; skip over the + * the log may be so; skip over the * header part first. */ if (ch == '\n' && @@ -670,6 +809,8 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit body = 1; if (is_empty_line(line, &linelen)) { + if (!seen_title) + continue; if (!body) continue; if (subject) @@ -678,6 +819,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit break; } + seen_title = 1; if (subject) { int slen = strlen(subject); memcpy(buf + offset, subject, slen); @@ -721,6 +863,8 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit if (fmt == CMIT_FMT_EMAIL && !body) buf[offset++] = '\n'; buf[offset] = '\0'; + + free(reencoded); return offset; } @@ -868,11 +1012,11 @@ void sort_in_topological_order_fn(struct commit_list ** list, int lifo, /* merge-rebase stuff */ -/* bits #0..7 in revision.h */ -#define PARENT1 (1u<< 8) -#define PARENT2 (1u<< 9) -#define STALE (1u<<10) -#define RESULT (1u<<11) +/* bits #0..15 in revision.h */ +#define PARENT1 (1u<<16) +#define PARENT2 (1u<<17) +#define STALE (1u<<18) +#define RESULT (1u<<19) static struct commit *interesting(struct commit_list *list) { @@ -1009,3 +1153,20 @@ struct commit_list *get_merge_bases(struct commit *one, free(rslt); return result; } + +int in_merge_bases(struct commit *rev1, struct commit *rev2) +{ + struct commit_list *bases, *b; + int ret = 0; + + bases = get_merge_bases(rev1, rev2, 1); + for (b = bases; b; b = b->next) { + if (!hashcmp(rev1->object.sha1, b->item->object.sha1)) { + ret = 1; + break; + } + } + + free_commit_list(bases); + return ret; +} |