#include "xdiff-interface.h"
#include "log-tree.h"
-static int uninteresting(struct diff_filepair *p)
-{
- if (diff_unmodified_pair(p))
- return 1;
- return 0;
-}
-
static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, int n, int num_parent)
{
struct diff_queue_struct *q = &diff_queued_diff;
for (i = 0; i < q->nr; i++) {
int len;
const char *path;
- if (uninteresting(q->queue[i]))
+ if (diff_unmodified_pair(q->queue[i]))
continue;
path = q->queue[i]->two->path;
len = strlen(path);
memset(p->parent, 0,
sizeof(p->parent[0]) * num_parent);
- memcpy(p->sha1, q->queue[i]->two->sha1, 20);
+ hashcpy(p->sha1, q->queue[i]->two->sha1);
p->mode = q->queue[i]->two->mode;
- memcpy(p->parent[n].sha1, q->queue[i]->one->sha1, 20);
+ hashcpy(p->parent[n].sha1, q->queue[i]->one->sha1);
p->parent[n].mode = q->queue[i]->one->mode;
p->parent[n].status = q->queue[i]->status;
*tail = p;
const char *path;
int len;
- if (uninteresting(q->queue[i]))
+ if (diff_unmodified_pair(q->queue[i]))
continue;
path = q->queue[i]->two->path;
len = strlen(path);
if (len == p->len && !memcmp(path, p->path, len)) {
found = 1;
- memcpy(p->parent[n].sha1,
- q->queue[i]->one->sha1, 20);
+ hashcpy(p->parent[n].sha1, q->queue[i]->one->sha1);
p->parent[n].mode = q->queue[i]->one->mode;
p->parent[n].status = q->queue[i]->status;
break;
{
char *blob;
char type[20];
- if (!memcmp(sha1, null_sha1, 20)) {
+ if (is_null_sha1(sha1)) {
/* deleted blob */
*size = 0;
return xcalloc(1, 1);
}
static void combine_diff(const unsigned char *parent, mmfile_t *result_file,
- struct sline *sline, int cnt, int n, int num_parent)
+ struct sline *sline, unsigned int cnt, int n,
+ int num_parent)
{
unsigned int p_lno, lno;
unsigned long nmask = (1UL << n);
unsigned long mark,
unsigned long i,
unsigned long cnt,
- int uninteresting)
+ int look_for_uninteresting)
{
/* We have examined up to i-1 and are about to look at i.
* Find next interesting or uninteresting line. Here,
* that are surrounded by interesting() ones.
*/
while (i <= cnt)
- if (uninteresting
+ if (look_for_uninteresting
? !(sline[i].flag & mark)
: (sline[i].flag & mark))
return i;
unsigned long i;
/* Two groups of interesting lines may have a short gap of
- * unintersting lines. Connect such groups to give them a
+ * uninteresting lines. Connect such groups to give them a
* bit of context.
*
* We first start from what the interesting() function says,
return has_interesting;
}
-static void show_parent_lno(struct sline *sline, unsigned long l0, unsigned long l1, unsigned long cnt, int n)
+static void show_parent_lno(struct sline *sline, unsigned long l0, unsigned long l1, int n)
{
l0 = sline[l0].p_lno[n];
l1 = sline[l1].p_lno[n];
printf(" -%lu,%lu", l0, l1-l0);
}
-static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent)
+static int hunk_comment_line(const char *bol)
+{
+ int ch = *bol & 0xff;
+ return (isalpha(ch) || ch == '_' || ch == '$');
+}
+
+static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
+ int use_color)
{
unsigned long mark = (1UL<<num_parent);
int i;
unsigned long lno = 0;
+ const char *c_frag = diff_get_color(use_color, DIFF_FRAGINFO);
+ const char *c_new = diff_get_color(use_color, DIFF_FILE_NEW);
+ const char *c_old = diff_get_color(use_color, DIFF_FILE_OLD);
+ const char *c_plain = diff_get_color(use_color, DIFF_PLAIN);
+ const char *c_reset = diff_get_color(use_color, DIFF_RESET);
if (!cnt)
return; /* result deleted */
struct sline *sl = &sline[lno];
unsigned long hunk_end;
unsigned long rlines;
- while (lno <= cnt && !(sline[lno].flag & mark))
+ const char *hunk_comment = NULL;
+
+ while (lno <= cnt && !(sline[lno].flag & mark)) {
+ if (hunk_comment_line(sline[lno].bol))
+ hunk_comment = sline[lno].bol;
lno++;
+ }
if (cnt < lno)
break;
else {
rlines = hunk_end - lno;
if (cnt < hunk_end)
rlines--; /* pointing at the last delete hunk */
+ fputs(c_frag, stdout);
for (i = 0; i <= num_parent; i++) putchar(combine_marker);
for (i = 0; i < num_parent; i++)
- show_parent_lno(sline, lno, hunk_end, cnt, i);
+ show_parent_lno(sline, lno, hunk_end, i);
printf(" +%lu,%lu ", lno+1, rlines);
for (i = 0; i <= num_parent; i++) putchar(combine_marker);
- putchar('\n');
+
+ if (hunk_comment) {
+ int comment_end = 0;
+ for (i = 0; i < 40; i++) {
+ int ch = hunk_comment[i] & 0xff;
+ if (!ch || ch == '\n')
+ break;
+ if (!isspace(ch))
+ comment_end = i;
+ }
+ if (comment_end)
+ putchar(' ');
+ for (i = 0; i < comment_end; i++)
+ putchar(hunk_comment[i]);
+ }
+
+ printf("%s\n", c_reset);
while (lno < hunk_end) {
struct lline *ll;
int j;
sl = &sline[lno++];
ll = sl->lost_head;
while (ll) {
+ fputs(c_old, stdout);
for (j = 0; j < num_parent; j++) {
if (ll->parent_map & (1UL<<j))
putchar('-');
else
putchar(' ');
}
- puts(ll->line);
+ printf("%s%s\n", ll->line, c_reset);
ll = ll->next;
}
if (cnt < lno)
break;
p_mask = 1;
+ if (!(sl->flag & (mark-1)))
+ fputs(c_plain, stdout);
+ else
+ fputs(c_new, stdout);
for (j = 0; j < num_parent; j++) {
if (p_mask & sl->flag)
putchar('+');
putchar(' ');
p_mask <<= 1;
}
- printf("%.*s\n", sl->len, sl->bol);
+ printf("%.*s%s\n", sl->len, sl->bol, c_reset);
}
}
}
sline->p_lno[i] = sline->p_lno[j];
}
-static void dump_quoted_path(const char *prefix, const char *path)
+static void dump_quoted_path(const char *prefix, const char *path,
+ const char *c_meta, const char *c_reset)
{
- fputs(prefix, stdout);
+ printf("%s%s", c_meta, prefix);
if (quote_c_style(path, NULL, NULL, 0))
quote_c_style(path, NULL, stdout, 0);
else
printf("%s", path);
- putchar('\n');
+ printf("%s\n", c_reset);
}
-static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
- int dense, struct rev_info *rev)
+static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
+ int dense, struct rev_info *rev)
{
struct diff_options *opt = &rev->diffopt;
unsigned long result_size, cnt, lno;
char *result, *cp;
struct sline *sline; /* survived lines */
int mode_differs = 0;
- int i, show_hunks, shown_header = 0;
- int working_tree_file = !memcmp(elem->sha1, null_sha1, 20);
+ int i, show_hunks;
+ int working_tree_file = is_null_sha1(elem->sha1);
int abbrev = opt->full_index ? 40 : DEFAULT_ABBREV;
mmfile_t result_file;
if (0 <= (fd = open(elem->path, O_RDONLY)) &&
!fstat(fd, &st)) {
int len = st.st_size;
- int cnt = 0;
+ int sz = 0;
elem->mode = canon_mode(st.st_mode);
result_size = len;
result = xmalloc(len + 1);
- while (cnt < len) {
- int done = xread(fd, result+cnt, len-cnt);
+ while (sz < len) {
+ int done = xread(fd, result+sz, len-sz);
if (done == 0)
break;
if (done < 0)
die("read error '%s'", elem->path);
- cnt += done;
+ sz += done;
}
result[len] = 0;
}
/* deleted file */
result_size = 0;
elem->mode = 0;
- result = xmalloc(1);
- result[0] = 0;
+ result = xcalloc(1, 1);
}
if (0 <= fd)
close(fd);
}
- for (cnt = 0, cp = result; cp - result < result_size; cp++) {
+ for (cnt = 0, cp = result; cp < result + result_size; cp++) {
if (*cp == '\n')
cnt++;
}
sline[lno].lost_tail = &sline[lno].lost_head;
sline[lno].flag = 0;
}
- for (lno = 0, cp = result; cp - result < result_size; cp++) {
+ for (lno = 0, cp = result; cp < result + result_size; cp++) {
if (*cp == '\n') {
sline[lno].len = cp - sline[lno].bol;
lno++;
for (i = 0; i < num_parent; i++) {
int j;
for (j = 0; j < i; j++) {
- if (!memcmp(elem->parent[i].sha1,
- elem->parent[j].sha1, 20)) {
+ if (!hashcmp(elem->parent[i].sha1,
+ elem->parent[j].sha1)) {
reuse_combine_diff(sline, cnt, i, j);
break;
}
if (show_hunks || mode_differs || working_tree_file) {
const char *abb;
+ int use_color = opt->color_diff;
+ const char *c_meta = diff_get_color(use_color, DIFF_METAINFO);
+ const char *c_reset = diff_get_color(use_color, DIFF_RESET);
+ int added = 0;
+ int deleted = 0;
if (rev->loginfo)
- show_log(rev, rev->loginfo, "\n");
- dump_quoted_path(dense ? "diff --cc " : "diff --combined ", elem->path);
- printf("index ");
+ show_log(rev, opt->msg_sep);
+ dump_quoted_path(dense ? "diff --cc " : "diff --combined ",
+ elem->path, c_meta, c_reset);
+ printf("%sindex ", c_meta);
for (i = 0; i < num_parent; i++) {
abb = find_unique_abbrev(elem->parent[i].sha1,
abbrev);
printf("%s%s", i ? "," : "", abb);
}
abb = find_unique_abbrev(elem->sha1, abbrev);
- printf("..%s\n", abb);
+ printf("..%s%s\n", abb, c_reset);
if (mode_differs) {
- int added = !!elem->mode;
+ deleted = !elem->mode;
+
+ /* We say it was added if nobody had it */
+ added = !deleted;
for (i = 0; added && i < num_parent; i++)
if (elem->parent[i].status !=
DIFF_STATUS_ADDED)
added = 0;
if (added)
- printf("new file mode %06o", elem->mode);
+ printf("%snew file mode %06o",
+ c_meta, elem->mode);
else {
- if (!elem->mode)
- printf("deleted file ");
+ if (deleted)
+ printf("%sdeleted file ", c_meta);
printf("mode ");
for (i = 0; i < num_parent; i++) {
printf("%s%06o", i ? "," : "",
if (elem->mode)
printf("..%06o", elem->mode);
}
- putchar('\n');
+ printf("%s\n", c_reset);
}
- dump_quoted_path("--- a/", elem->path);
- dump_quoted_path("+++ b/", elem->path);
- dump_sline(sline, cnt, num_parent);
+ if (added)
+ dump_quoted_path("--- /dev/", "null", c_meta, c_reset);
+ else
+ dump_quoted_path("--- a/", elem->path, c_meta, c_reset);
+ if (deleted)
+ dump_quoted_path("+++ /dev/", "null", c_meta, c_reset);
+ else
+ dump_quoted_path("+++ b/", elem->path, c_meta, c_reset);
+ dump_sline(sline, cnt, num_parent, opt->color_diff);
}
free(result);
- for (i = 0; i < cnt; i++) {
- if (sline[i].lost_head) {
- struct lline *ll = sline[i].lost_head;
+ for (lno = 0; lno < cnt; lno++) {
+ if (sline[lno].lost_head) {
+ struct lline *ll = sline[lno].lost_head;
while (ll) {
struct lline *tmp = ll;
ll = ll->next;
}
free(sline[0].p_lno);
free(sline);
- return shown_header;
}
#define COLONS "::::::::::::::::::::::::::::::::"
inter_name_termination = 0;
if (rev->loginfo)
- show_log(rev, rev->loginfo, "\n");
+ show_log(rev, opt->msg_sep);
if (opt->output_format & DIFF_FORMAT_RAW) {
offset = strlen(COLONS) - num_parent;
return;
if (opt->output_format & (DIFF_FORMAT_RAW |
DIFF_FORMAT_NAME |
- DIFF_FORMAT_NAME_STATUS)) {
+ DIFF_FORMAT_NAME_STATUS))
show_raw_diff(p, num_parent, rev);
- } else if (opt->output_format & DIFF_FORMAT_PATCH) {
+ else if (opt->output_format & DIFF_FORMAT_PATCH)
show_patch_diff(p, num_parent, dense, rev);
- }
}
void diff_tree_combined(const unsigned char *sha1,
struct diff_options *opt = &rev->diffopt;
struct diff_options diffopts;
struct combine_diff_path *p, *paths = NULL;
- int i, num_paths;
+ int i, num_paths, needsep, show_log_first;
diffopts = *opt;
- diffopts.output_format &= ~(DIFF_FORMAT_RAW | DIFF_FORMAT_DIFFSTAT);
+ diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diffopts.recursive = 1;
+ show_log_first = !!rev->loginfo;
+ needsep = 0;
/* find set of paths that everybody touches */
for (i = 0; i < num_parent; i++) {
/* show stat against the first parent even
* when doing combined diff.
*/
if (i == 0 && opt->output_format & DIFF_FORMAT_DIFFSTAT)
- diffopts.output_format |= DIFF_FORMAT_DIFFSTAT;
+ diffopts.output_format = DIFF_FORMAT_DIFFSTAT;
else
- diffopts.output_format |= DIFF_FORMAT_NO_OUTPUT;
+ diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_tree_sha1(parent[i], sha1, "", &diffopts);
diffcore_std(&diffopts);
paths = intersect_paths(paths, i, num_parent);
- if (opt->output_format & DIFF_FORMAT_DIFFSTAT && rev->loginfo)
- show_log(rev, rev->loginfo, "---\n");
+ if (show_log_first && i == 0) {
+ show_log(rev, opt->msg_sep);
+ if (rev->verbose_header && opt->output_format)
+ putchar(opt->line_termination);
+ }
diff_flush(&diffopts);
- if (opt->output_format & DIFF_FORMAT_DIFFSTAT)
- putchar('\n');
}
/* find out surviving paths */
if (p->len)
show_raw_diff(p, num_parent, rev);
}
- putchar(opt->line_termination);
+ needsep = 1;
}
+ else if (opt->output_format & DIFF_FORMAT_DIFFSTAT)
+ needsep = 1;
if (opt->output_format & DIFF_FORMAT_PATCH) {
+ if (needsep)
+ putchar(opt->line_termination);
for (p = paths; p; p = p->next) {
if (p->len)
show_patch_diff(p, num_parent, dense,
for (parents = commit->parents, num_parent = 0;
parents;
parents = parents->next, num_parent++)
- memcpy(parent + num_parent, parents->item->object.sha1, 20);
+ hashcpy((unsigned char*)(parent + num_parent),
+ parents->item->object.sha1);
diff_tree_combined(sha1, parent, num_parent, dense, rev);
}
projects / thirdparty / git.git / blobdiff