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diff --git a/commit.c b/commit.c
index 972d1b70c02d0a21bbb187ef964e6604d4556e87..03436b1b077f3f83cebceb697f97c3ba5b26265c 100644 (file)
--- a/commit.c
+++ b/commit.c
#include "cache.h"
#include "tag.h"
#include "commit.h"
+#include "pkt-line.h"
+#include "utf8.h"
+#include "interpolate.h"
+#include "diff.h"
+#include "revision.h"
int save_commit_buffer = 1;
struct sort_node
{
/*
- * the number of children of the associated commit
- * that also occur in the list being sorted.
- */
+ * the number of children of the associated commit
+ * that also occur in the list being sorted.
+ */
unsigned int indegree;
/*
- * reference to original list item that we will re-use
- * on output.
- */
+ * reference to original list item that we will re-use
+ * on output.
+ */
struct commit_list * list_item;
};
const char *commit_type = "commit";
-struct cmt_fmt_map {
+static struct cmt_fmt_map {
const char *n;
size_t cmp_len;
enum cmit_fmt v;
{ "full", 5, CMIT_FMT_FULL },
{ "fuller", 5, CMIT_FMT_FULLER },
{ "oneline", 1, CMIT_FMT_ONELINE },
+ { "format:", 7, CMIT_FMT_USERFORMAT},
};
+static char *user_format;
+
enum cmit_fmt get_commit_format(const char *arg)
{
int i;
return CMIT_FMT_DEFAULT;
if (*arg == '=')
arg++;
+ if (!prefixcmp(arg, "format:")) {
+ if (user_format)
+ free(user_format);
+ user_format = xstrdup(arg + 7);
+ return CMIT_FMT_USERFORMAT;
+ }
for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
- if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len))
+ if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len) &&
+ !strncmp(arg, cmt_fmts[i].n, strlen(arg)))
return cmt_fmts[i].v;
}
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);
while (lo < hi) {
int mi = (lo + hi) / 2;
struct commit_graft *graft = commit_graft[mi];
- int cmp = memcmp(sha1, graft->sha1, 20);
+ int cmp = hashcmp(sha1, graft->sha1);
if (!cmp)
return mi;
if (cmp < 0)
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);
return;
graft_file = get_graft_file();
read_graft_file(graft_file);
+ /* make sure shallows are read */
+ is_repository_shallow();
commit_graft_prepared = 1;
}
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 {
+ if (write_in_full(fd, hex, 40) != 40)
+ break;
+ if (write_in_full(fd, "\n", 1) != 1)
+ break;
+ }
+ }
+ 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;
@@ -304,18 +350,18 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
int parse_commit(struct commit *item)
{
- char type[20];
+ enum object_type type;
void *buffer;
unsigned long size;
int ret;
if (item->object.parsed)
return 0;
- buffer = read_sha1_file(item->object.sha1, type, &size);
+ buffer = read_sha1_file(item->object.sha1, &type, &size);
if (!buffer)
return error("Could not read %s",
sha1_to_hex(item->object.sha1));
- if (strcmp(type, commit_type)) {
+ if (type != OBJ_COMMIT) {
free(buffer);
return error("Object %s not a commit",
sha1_to_hex(item->object.sha1));
@@ -360,7 +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;
return ret;
}
+/* High bit set, or ISO-2022-INT */
+static int non_ascii(int ch)
+{
+ ch = (ch & 0xff);
+ return ((ch & 0x80) || (ch == 0x1b));
+}
+
static int is_rfc2047_special(char ch)
{
- return ((ch & 0x80) || (ch == '=') || (ch == '?') || (ch == '_'));
+ return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_'));
}
-static int add_rfc2047(char *buf, const char *line, int len)
+static int add_rfc2047(char *buf, const char *line, int len,
+ const char *encoding)
{
char *bp = buf;
int i, needquote;
- static const char q_utf8[] = "=?utf-8?q?";
+ char q_encoding[128];
+ const char *q_encoding_fmt = "=?%s?q?";
for (i = needquote = 0; !needquote && i < len; i++) {
- unsigned ch = line[i];
- if (ch & 0x80)
+ int ch = line[i];
+ if (non_ascii(ch))
needquote++;
if ((i + 1 < len) &&
(ch == '=' && line[i+1] == '?'))
if (!needquote)
return sprintf(buf, "%.*s", len, line);
- memcpy(bp, q_utf8, sizeof(q_utf8)-1);
- bp += sizeof(q_utf8)-1;
+ i = snprintf(q_encoding, sizeof(q_encoding), q_encoding_fmt, encoding);
+ if (sizeof(q_encoding) < i)
+ die("Insanely long encoding name %s", encoding);
+ memcpy(bp, q_encoding, i);
+ 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;
}
return bp - buf;
}
-static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const char *line)
+static unsigned long bound_rfc2047(unsigned long len, const char *encoding)
+{
+ /* upper bound of q encoded string of length 'len' */
+ unsigned long elen = strlen(encoding);
+
+ return len * 3 + elen + 100;
+}
+
+static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf,
+ const char *line, enum date_mode dmode,
+ const char *encoding)
{
char *date;
int namelen;
@@ -495,7 +567,8 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const c
filler = "";
strcpy(buf, "From: ");
ret = strlen(buf);
- ret += add_rfc2047(buf + ret, line, display_name_length);
+ ret += add_rfc2047(buf + ret, line, display_name_length,
+ encoding);
memcpy(buf + ret, name_tail, namelen - display_name_length);
ret += namelen - display_name_length;
buf[ret++] = '\n';
@@ -507,14 +580,16 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const c
}
switch (fmt) {
case CMIT_FMT_MEDIUM:
- ret += sprintf(buf + ret, "Date: %s\n", show_date(time, tz));
+ ret += sprintf(buf + ret, "Date: %s\n",
+ show_date(time, tz, dmode));
break;
case CMIT_FMT_EMAIL:
ret += sprintf(buf + ret, "Date: %s\n",
show_rfc2822_date(time, tz));
break;
case CMIT_FMT_FULLER:
- ret += sprintf(buf + ret, "%sDate: %s\n", what, show_date(time, tz));
+ ret += sprintf(buf + ret, "%sDate: %s\n", what,
+ show_date(time, tz, dmode));
break;
default:
/* notin' */
@@ -545,10 +620,13 @@ static int add_merge_info(enum cmit_fmt fmt, char *buf, const struct commit *com
while (parent) {
struct commit *p = parent->item;
- const char *hex = abbrev
- ? find_unique_abbrev(p->object.sha1, abbrev)
- : sha1_to_hex(p->object.sha1);
- const char *dots = (abbrev && strlen(hex) != 40) ? "..." : "";
+ const char *hex = NULL;
+ const char *dots;
+ if (abbrev)
+ hex = find_unique_abbrev(p->object.sha1, abbrev);
+ if (!hex)
+ hex = sha1_to_hex(p->object.sha1);
+ dots = (abbrev && strlen(hex) != 40) ? "..." : "";
parent = parent->next;
offset += sprintf(buf + offset, " %s%s", hex, dots);
@@ -557,14 +635,541 @@ 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, int abbrev, const char *subject, const char *after_subject)
+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 (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);
+ ret[len - 1] = '\0';
+ return ret;
+ }
+ line = next;
+ }
+}
+
+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;
+ int new_len;
+ int need_len;
+ int buflen = strlen(buf) + 1;
+
+ 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)
+ 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,
+ const char *output_encoding)
+{
+ static const char *utf8 = "utf-8";
+ const char *use_encoding;
+ char *encoding;
+ char *out;
+
+ if (!*output_encoding)
+ return NULL;
+ encoding = get_header(commit, "encoding");
+ use_encoding = encoding ? encoding : utf8;
+ if (!strcmp(use_encoding, output_encoding))
+ out = xstrdup(commit->buffer);
+ else
+ out = reencode_string(commit->buffer,
+ output_encoding, use_encoding);
+ if (out)
+ out = replace_encoding_header(out, output_encoding);
+
+ free(encoding);
+ return out;
+}
+
+static void fill_person(struct interp *table, const char *msg, int len)
+{
+ int start, end, tz = 0;
+ unsigned long date;
+ char *ep;
+
+ /* parse name */
+ for (end = 0; end < len && msg[end] != '<'; end++)
+ ; /* do nothing */
+ start = end + 1;
+ while (end > 0 && isspace(msg[end - 1]))
+ end--;
+ table[0].value = xstrndup(msg, end);
+
+ if (start >= len)
+ return;
+
+ /* parse email */
+ for (end = start + 1; end < len && msg[end] != '>'; end++)
+ ; /* do nothing */
+
+ if (end >= len)
+ return;
+
+ table[1].value = xstrndup(msg + start, end - start);
+
+ /* parse date */
+ for (start = end + 1; start < len && isspace(msg[start]); start++)
+ ; /* do nothing */
+ if (start >= len)
+ return;
+ date = strtoul(msg + start, &ep, 10);
+ if (msg + start == ep)
+ return;
+
+ table[5].value = xstrndup(msg + start, ep - (msg + start));
+
+ /* parse tz */
+ for (start = ep - msg + 1; start < len && isspace(msg[start]); start++)
+ ; /* do nothing */
+ if (start + 1 < len) {
+ tz = strtoul(msg + start + 1, NULL, 10);
+ if (msg[start] == '-')
+ tz = -tz;
+ }
+
+ interp_set_entry(table, 2, show_date(date, tz, 0));
+ interp_set_entry(table, 3, show_rfc2822_date(date, tz));
+ interp_set_entry(table, 4, show_date(date, tz, 1));
+}
+
+static long format_commit_message(const struct commit *commit,
+ const char *msg, char **buf_p, unsigned long *space_p)
+{
+ struct interp table[] = {
+ { "%H" }, /* commit hash */
+ { "%h" }, /* abbreviated commit hash */
+ { "%T" }, /* tree hash */
+ { "%t" }, /* abbreviated tree hash */
+ { "%P" }, /* parent hashes */
+ { "%p" }, /* abbreviated parent hashes */
+ { "%an" }, /* author name */
+ { "%ae" }, /* author email */
+ { "%ad" }, /* author date */
+ { "%aD" }, /* author date, RFC2822 style */
+ { "%ar" }, /* author date, relative */
+ { "%at" }, /* author date, UNIX timestamp */
+ { "%cn" }, /* committer name */
+ { "%ce" }, /* committer email */
+ { "%cd" }, /* committer date */
+ { "%cD" }, /* committer date, RFC2822 style */
+ { "%cr" }, /* committer date, relative */
+ { "%ct" }, /* committer date, UNIX timestamp */
+ { "%e" }, /* encoding */
+ { "%s" }, /* subject */
+ { "%b" }, /* body */
+ { "%Cred" }, /* red */
+ { "%Cgreen" }, /* green */
+ { "%Cblue" }, /* blue */
+ { "%Creset" }, /* reset color */
+ { "%n" }, /* newline */
+ { "%m" }, /* left/right/bottom */
+ };
+ enum interp_index {
+ IHASH = 0, IHASH_ABBREV,
+ ITREE, ITREE_ABBREV,
+ IPARENTS, IPARENTS_ABBREV,
+ IAUTHOR_NAME, IAUTHOR_EMAIL,
+ IAUTHOR_DATE, IAUTHOR_DATE_RFC2822, IAUTHOR_DATE_RELATIVE,
+ IAUTHOR_TIMESTAMP,
+ ICOMMITTER_NAME, ICOMMITTER_EMAIL,
+ ICOMMITTER_DATE, ICOMMITTER_DATE_RFC2822,
+ ICOMMITTER_DATE_RELATIVE, ICOMMITTER_TIMESTAMP,
+ IENCODING,
+ ISUBJECT,
+ IBODY,
+ IRED, IGREEN, IBLUE, IRESET_COLOR,
+ INEWLINE,
+ ILEFT_RIGHT,
+ };
+ struct commit_list *p;
+ char parents[1024];
+ int i;
+ enum { HEADER, SUBJECT, BODY } state;
+
+ if (ILEFT_RIGHT + 1 != ARRAY_SIZE(table))
+ die("invalid interp table!");
+
+ /* these are independent of the commit */
+ interp_set_entry(table, IRED, "\033[31m");
+ interp_set_entry(table, IGREEN, "\033[32m");
+ interp_set_entry(table, IBLUE, "\033[34m");
+ interp_set_entry(table, IRESET_COLOR, "\033[m");
+ interp_set_entry(table, INEWLINE, "\n");
+
+ /* these depend on the commit */
+ if (!commit->object.parsed)
+ parse_object(commit->object.sha1);
+ interp_set_entry(table, IHASH, sha1_to_hex(commit->object.sha1));
+ interp_set_entry(table, IHASH_ABBREV,
+ find_unique_abbrev(commit->object.sha1,
+ DEFAULT_ABBREV));
+ interp_set_entry(table, ITREE, sha1_to_hex(commit->tree->object.sha1));
+ 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",
+ sha1_to_hex(p->item->object.sha1));
+ 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",
+ find_unique_abbrev(p->item->object.sha1,
+ DEFAULT_ABBREV));
+ interp_set_entry(table, IPARENTS_ABBREV, parents + 1);
+
+ for (i = 0, state = HEADER; msg[i] && state < BODY; i++) {
+ int eol;
+ for (eol = i; msg[eol] && msg[eol] != '\n'; eol++)
+ ; /* do nothing */
+
+ if (state == SUBJECT) {
+ table[ISUBJECT].value = xstrndup(msg + i, eol - i);
+ i = eol;
+ }
+ if (i == eol) {
+ state++;
+ /* strip empty lines */
+ while (msg[eol + 1] == '\n')
+ eol++;
+ } else if (!prefixcmp(msg + i, "author "))
+ fill_person(table + IAUTHOR_NAME,
+ msg + i + 7, eol - i - 7);
+ else if (!prefixcmp(msg + i, "committer "))
+ fill_person(table + ICOMMITTER_NAME,
+ msg + i + 10, eol - i - 10);
+ else if (!prefixcmp(msg + i, "encoding "))
+ table[IENCODING].value =
+ xstrndup(msg + i + 9, eol - i - 9);
+ i = eol;
+ }
+ if (msg[i])
+ table[IBODY].value = xstrdup(msg + i);
+ for (i = 0; i < ARRAY_SIZE(table); i++)
+ if (!table[i].value)
+ interp_set_entry(table, i, "<unknown>");
+
+ do {
+ char *buf = *buf_p;
+ unsigned long space = *space_p;
+
+ space = interpolate(buf, space, user_format,
+ table, ARRAY_SIZE(table));
+ if (!space)
+ break;
+ buf = xrealloc(buf, space);
+ *buf_p = buf;
+ *space_p = space;
+ } while (1);
+ interp_clear_table(table, ARRAY_SIZE(table));
+
+ return strlen(*buf_p);
+}
+
+static void pp_header(enum cmit_fmt fmt,
+ int abbrev,
+ enum date_mode dmode,
+ const char *encoding,
+ const struct commit *commit,
+ const char **msg_p,
+ unsigned long *len_p,
+ unsigned long *ofs_p,
+ char **buf_p,
+ unsigned long *space_p)
+{
+ int parents_shown = 0;
+
+ for (;;) {
+ const char *line = *msg_p;
+ char *dst;
+ int linelen = get_one_line(*msg_p, *len_p);
+ unsigned long len;
+
+ if (!linelen)
+ return;
+ *msg_p += linelen;
+ *len_p -= linelen;
+
+ if (linelen == 1)
+ /* End of header */
+ return;
+
+ ALLOC_GROW(*buf_p, linelen + *ofs_p + 20, *space_p);
+ dst = *buf_p + *ofs_p;
+
+ if (fmt == CMIT_FMT_RAW) {
+ memcpy(dst, line, linelen);
+ *ofs_p += linelen;
+ continue;
+ }
+
+ if (!memcmp(line, "parent ", 7)) {
+ if (linelen != 48)
+ die("bad parent line in commit");
+ continue;
+ }
+
+ if (!parents_shown) {
+ struct commit_list *parent;
+ int num;
+ for (parent = commit->parents, num = 0;
+ parent;
+ parent = parent->next, num++)
+ ;
+ /* with enough slop */
+ num = *ofs_p + num * 50 + 20;
+ ALLOC_GROW(*buf_p, num, *space_p);
+ dst = *buf_p + *ofs_p;
+ *ofs_p += add_merge_info(fmt, dst, commit, abbrev);
+ parents_shown = 1;
+ }
+
+ /*
+ * MEDIUM == DEFAULT shows only author with dates.
+ * FULL shows both authors but not dates.
+ * FULLER shows both authors and dates.
+ */
+ if (!memcmp(line, "author ", 7)) {
+ len = linelen;
+ if (fmt == CMIT_FMT_EMAIL)
+ len = bound_rfc2047(linelen, encoding);
+ ALLOC_GROW(*buf_p, *ofs_p + len + 80, *space_p);
+ dst = *buf_p + *ofs_p;
+ *ofs_p += add_user_info("Author", fmt, dst,
+ line + 7, dmode, encoding);
+ }
+
+ if (!memcmp(line, "committer ", 10) &&
+ (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER)) {
+ len = linelen;
+ if (fmt == CMIT_FMT_EMAIL)
+ len = bound_rfc2047(linelen, encoding);
+ ALLOC_GROW(*buf_p, *ofs_p + len + 80, *space_p);
+ dst = *buf_p + *ofs_p;
+ *ofs_p += add_user_info("Commit", fmt, dst,
+ line + 10, dmode, encoding);
+ }
+ }
+}
+
+static void pp_title_line(enum cmit_fmt fmt,
+ const char **msg_p,
+ unsigned long *len_p,
+ unsigned long *ofs_p,
+ char **buf_p,
+ unsigned long *space_p,
+ int indent,
+ const char *subject,
+ const char *after_subject,
+ const char *encoding,
+ int plain_non_ascii)
+{
+ char *title;
+ unsigned long title_alloc, title_len;
+ unsigned long len;
+
+ title_len = 0;
+ title_alloc = 80;
+ title = xmalloc(title_alloc);
+ for (;;) {
+ const char *line = *msg_p;
+ int linelen = get_one_line(line, *len_p);
+ *msg_p += linelen;
+ *len_p -= linelen;
+
+ if (!linelen || is_empty_line(line, &linelen))
+ break;
+
+ if (title_alloc <= title_len + linelen + 2) {
+ title_alloc = title_len + linelen + 80;
+ title = xrealloc(title, title_alloc);
+ }
+ len = 0;
+ if (title_len) {
+ if (fmt == CMIT_FMT_EMAIL) {
+ len++;
+ title[title_len++] = '\n';
+ }
+ len++;
+ title[title_len++] = ' ';
+ }
+ memcpy(title + title_len, line, linelen);
+ title_len += linelen;
+ }
+
+ /* Enough slop for the MIME header and rfc2047 */
+ len = bound_rfc2047(title_len, encoding)+ 1000;
+ if (subject)
+ len += strlen(subject);
+ if (after_subject)
+ len += strlen(after_subject);
+ if (encoding)
+ len += strlen(encoding);
+ ALLOC_GROW(*buf_p, title_len + *ofs_p + len, *space_p);
+
+ if (subject) {
+ len = strlen(subject);
+ memcpy(*buf_p + *ofs_p, subject, len);
+ *ofs_p += len;
+ *ofs_p += add_rfc2047(*buf_p + *ofs_p,
+ title, title_len, encoding);
+ } else {
+ memcpy(*buf_p + *ofs_p, title, title_len);
+ *ofs_p += title_len;
+ }
+ (*buf_p)[(*ofs_p)++] = '\n';
+ if (plain_non_ascii) {
+ const char *header_fmt =
+ "MIME-Version: 1.0\n"
+ "Content-Type: text/plain; charset=%s\n"
+ "Content-Transfer-Encoding: 8bit\n";
+ *ofs_p += snprintf(*buf_p + *ofs_p,
+ *space_p - *ofs_p,
+ header_fmt, encoding);
+ }
+ if (after_subject) {
+ len = strlen(after_subject);
+ memcpy(*buf_p + *ofs_p, after_subject, len);
+ *ofs_p += len;
+ }
+ free(title);
+ if (fmt == CMIT_FMT_EMAIL) {
+ ALLOC_GROW(*buf_p, *ofs_p + 20, *space_p);
+ (*buf_p)[(*ofs_p)++] = '\n';
+ }
+}
+
+static void pp_remainder(enum cmit_fmt fmt,
+ const char **msg_p,
+ unsigned long *len_p,
+ unsigned long *ofs_p,
+ char **buf_p,
+ unsigned long *space_p,
+ int indent)
+{
+ int first = 1;
+ for (;;) {
+ const char *line = *msg_p;
+ int linelen = get_one_line(line, *len_p);
+ *msg_p += linelen;
+ *len_p -= linelen;
+
+ if (!linelen)
+ break;
+
+ if (is_empty_line(line, &linelen)) {
+ if (first)
+ continue;
+ if (fmt == CMIT_FMT_SHORT)
+ break;
+ }
+ first = 0;
+
+ ALLOC_GROW(*buf_p, *ofs_p + linelen + indent + 20, *space_p);
+ if (indent) {
+ memset(*buf_p + *ofs_p, ' ', indent);
+ *ofs_p += indent;
+ }
+ memcpy(*buf_p + *ofs_p, line, linelen);
+ *ofs_p += linelen;
+ (*buf_p)[(*ofs_p)++] = '\n';
+ }
+}
+
+unsigned long pretty_print_commit(enum cmit_fmt fmt,
+ const struct commit *commit,
+ unsigned long len,
+ char **buf_p, unsigned long *space_p,
+ int abbrev, const char *subject,
+ const char *after_subject,
+ enum date_mode dmode)
{
- int hdr = 1, body = 0;
unsigned long offset = 0;
+ unsigned long beginning_of_body;
int indent = 4;
- int parents_shown = 0;
const char *msg = commit->buffer;
int plain_non_ascii = 0;
+ char *reencoded;
+ const char *encoding;
+ char *buf;
+
+ if (fmt == CMIT_FMT_USERFORMAT)
+ return format_commit_message(commit, msg, buf_p, space_p);
+
+ encoding = (git_log_output_encoding
+ ? git_log_output_encoding
+ : git_commit_encoding);
+ if (!encoding)
+ encoding = "utf-8";
+ reencoded = logmsg_reencode(commit, encoding);
+ if (reencoded) {
+ msg = reencoded;
+ len = strlen(reencoded);
+ }
if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
indent = 0;
@@ -581,135 +1186,72 @@ 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' &&
i + 1 < len && msg[i+1] == '\n')
in_body = 1;
}
- else if (ch & 0x80) {
+ else if (non_ascii(ch)) {
plain_non_ascii = 1;
break;
}
}
}
+ pp_header(fmt, abbrev, dmode, encoding,
+ commit, &msg, &len,
+ &offset, buf_p, space_p);
+ if (fmt != CMIT_FMT_ONELINE && !subject) {
+ ALLOC_GROW(*buf_p, offset + 20, *space_p);
+ (*buf_p)[offset++] = '\n';
+ }
+
+ /* Skip excess blank lines at the beginning of body, if any... */
for (;;) {
- const char *line = msg;
int linelen = get_one_line(msg, len);
-
+ int ll = linelen;
if (!linelen)
break;
-
- /*
- * We want some slop for indentation and a possible
- * final "...". Thus the "+ 20".
- */
- if (offset + linelen + 20 > space) {
- memcpy(buf + offset, " ...\n", 8);
- offset += 8;
+ if (!is_empty_line(msg, &ll))
break;
- }
-
msg += linelen;
len -= linelen;
- if (hdr) {
- if (linelen == 1) {
- hdr = 0;
- if ((fmt != CMIT_FMT_ONELINE) && !subject)
- buf[offset++] = '\n';
- continue;
- }
- if (fmt == CMIT_FMT_RAW) {
- memcpy(buf + offset, line, linelen);
- offset += linelen;
- continue;
- }
- if (!memcmp(line, "parent ", 7)) {
- if (linelen != 48)
- die("bad parent line in commit");
- continue;
- }
-
- if (!parents_shown) {
- offset += add_merge_info(fmt, buf + offset,
- commit, abbrev);
- parents_shown = 1;
- continue;
- }
- /*
- * MEDIUM == DEFAULT shows only author with dates.
- * FULL shows both authors but not dates.
- * FULLER shows both authors and dates.
- */
- if (!memcmp(line, "author ", 7))
- offset += add_user_info("Author", fmt,
- buf + offset,
- line + 7);
- if (!memcmp(line, "committer ", 10) &&
- (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER))
- offset += add_user_info("Commit", fmt,
- buf + offset,
- line + 10);
- continue;
- }
+ }
- if (!subject)
- body = 1;
+ /* These formats treat the title line specially. */
+ if (fmt == CMIT_FMT_ONELINE
+ || fmt == CMIT_FMT_EMAIL)
+ pp_title_line(fmt, &msg, &len, &offset,
+ buf_p, space_p, indent,
+ subject, after_subject, encoding,
+ plain_non_ascii);
- if (is_empty_line(line, &linelen)) {
- if (!body)
- continue;
- if (subject)
- continue;
- if (fmt == CMIT_FMT_SHORT)
- break;
- }
+ beginning_of_body = offset;
+ if (fmt != CMIT_FMT_ONELINE)
+ pp_remainder(fmt, &msg, &len, &offset,
+ buf_p, space_p, indent);
- if (subject) {
- int slen = strlen(subject);
- memcpy(buf + offset, subject, slen);
- offset += slen;
- offset += add_rfc2047(buf + offset, line, linelen);
- }
- else {
- memset(buf + offset, ' ', indent);
- memcpy(buf + offset + indent, line, linelen);
- offset += linelen + indent;
- }
- buf[offset++] = '\n';
- if (fmt == CMIT_FMT_ONELINE)
- break;
- if (subject && plain_non_ascii) {
- static const char header[] =
- "Content-Type: text/plain; charset=UTF-8\n"
- "Content-Transfer-Encoding: 8bit\n";
- memcpy(buf + offset, header, sizeof(header)-1);
- offset += sizeof(header)-1;
- }
- if (after_subject) {
- int slen = strlen(after_subject);
- if (slen > space - offset - 1)
- slen = space - offset - 1;
- memcpy(buf + offset, after_subject, slen);
- offset += slen;
- after_subject = NULL;
- }
- subject = NULL;
- }
- while (offset && isspace(buf[offset-1]))
+ while (offset && isspace((*buf_p)[offset-1]))
offset--;
+
+ ALLOC_GROW(*buf_p, offset + 20, *space_p);
+ buf = *buf_p;
+
/* Make sure there is an EOLN for the non-oneline case */
if (fmt != CMIT_FMT_ONELINE)
buf[offset++] = '\n';
+
/*
- * make sure there is another EOLN to separate the headers from whatever
- * body the caller appends if we haven't already written a body
+ * The caller may append additional body text in e-mail
+ * format. Make sure we did not strip the blank line
+ * between the header and the body.
*/
- if (fmt == CMIT_FMT_EMAIL && !body)
+ if (fmt == CMIT_FMT_EMAIL && offset <= beginning_of_body)
buf[offset++] = '\n';
buf[offset] = '\0';
+ free(reencoded);
return offset;
}
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;
next = next->next;
count++;
}
-
+
if (!count)
return;
/* allocate an array to help sort the list */
}
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;
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.
*/
free(nodes);
}
-/* merge-rebase stuff */
+/* merge-base 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 const unsigned all_flags = (PARENT1 | PARENT2 | STALE | RESULT);
static struct commit *interesting(struct commit_list *list)
{
}
/* Clean up the result to remove stale ones */
+ free_commit_list(list);
list = result; result = NULL;
while (list) {
struct commit_list *n = list->next;
struct commit *two,
int cleanup)
{
- const unsigned all_flags = (PARENT1 | PARENT2 | STALE | RESULT);
struct commit_list *list;
struct commit **rslt;
struct commit_list *result;
free(rslt);
return result;
}
+
+int in_merge_bases(struct commit *commit, struct commit **reference, int num)
+{
+ struct commit_list *bases, *b;
+ int ret = 0;
+
+ if (num == 1)
+ bases = get_merge_bases(commit, *reference, 1);
+ else
+ die("not yet");
+ for (b = bases; b; b = b->next) {
+ if (!hashcmp(commit->object.sha1, b->item->object.sha1)) {
+ ret = 1;
+ break;
+ }
+ }
+
+ free_commit_list(bases);
+ return ret;
+}