static char *grab_blob(const unsigned char *sha1, unsigned long *size)
{
char *blob;
- char type[20];
+ enum object_type type;
if (is_null_sha1(sha1)) {
/* deleted blob */
*size = 0;
return xcalloc(1, 1);
}
- blob = read_sha1_file(sha1, type, size);
- if (strcmp(type, blob_type))
+ blob = read_sha1_file(sha1, &type, size);
+ if (type != OBJ_BLOB)
die("object '%s' is not a blob!", sha1_to_hex(sha1));
return blob;
}
parent_file.ptr = grab_blob(parent, &sz);
parent_file.size = sz;
xpp.flags = XDF_NEED_MINIMAL;
- xecfg.ctxlen = 0;
- xecfg.flags = 0;
+ memset(&xecfg, 0, sizeof(xecfg));
ecb.outf = xdiff_outf;
ecb.priv = &state;
memset(&state, 0, sizeof(state));
return has_interesting;
}
-static void show_parent_lno(struct sline *sline, unsigned long l0, unsigned long l1, int n)
+static void show_parent_lno(struct sline *sline, unsigned long l0, unsigned long l1, int n, unsigned long null_context)
{
l0 = sline[l0].p_lno[n];
l1 = sline[l1].p_lno[n];
- printf(" -%lu,%lu", l0, l1-l0);
+ printf(" -%lu,%lu", l0, l1-l0-null_context);
}
static int hunk_comment_line(const char *bol)
unsigned long hunk_end;
unsigned long rlines;
const char *hunk_comment = NULL;
+ unsigned long null_context = 0;
while (lno <= cnt && !(sline[lno].flag & mark)) {
if (hunk_comment_line(sline[lno].bol))
rlines = hunk_end - lno;
if (cnt < hunk_end)
rlines--; /* pointing at the last delete hunk */
+
+ if (!context) {
+ /*
+ * Even when running with --unified=0, all
+ * lines in the hunk needs to be processed in
+ * the loop below in order to show the
+ * deletion recorded in lost_head. However,
+ * we do not want to show the resulting line
+ * with all blank context markers in such a
+ * case. Compensate.
+ */
+ unsigned long j;
+ for (j = lno; j < hunk_end; j++)
+ if (!(sline[j].flag & (mark-1)))
+ null_context++;
+ rlines -= null_context;
+ }
+
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, i);
+ show_parent_lno(sline, lno, hunk_end, i, null_context);
printf(" +%lu,%lu ", lno+1, rlines);
for (i = 0; i <= num_parent; i++) putchar(combine_marker);
if (cnt < lno)
break;
p_mask = 1;
- if (!(sl->flag & (mark-1)))
+ if (!(sl->flag & (mark-1))) {
+ /*
+ * This sline was here to hang the
+ * lost lines in front of it.
+ */
+ if (!context)
+ continue;
fputs(c_plain, stdout);
+ }
else
fputs(c_new, stdout);
for (j = 0; j < num_parent; j++) {
else {
/* Used by diff-tree to read from the working tree */
struct stat st;
- int fd;
- if (0 <= (fd = open(elem->path, O_RDONLY)) &&
- !fstat(fd, &st)) {
- int len = st.st_size;
- int sz = 0;
+ int fd = -1;
+
+ if (lstat(elem->path, &st) < 0)
+ goto deleted_file;
+
+ if (S_ISLNK(st.st_mode)) {
+ size_t len = xsize_t(st.st_size);
+ result_size = len;
+ result = xmalloc(len + 1);
+ if (result_size != readlink(elem->path, result, len)) {
+ error("readlink(%s): %s", elem->path,
+ strerror(errno));
+ return;
+ }
+ result[len] = 0;
+ elem->mode = canon_mode(st.st_mode);
+ }
+ else if (0 <= (fd = open(elem->path, O_RDONLY)) &&
+ !fstat(fd, &st)) {
+ size_t len = xsize_t(st.st_size);
+ size_t sz = 0;
+ int is_file, i;
elem->mode = canon_mode(st.st_mode);
+ /* if symlinks don't work, assume symlink if all parents
+ * are symlinks
+ */
+ is_file = has_symlinks;
+ for (i = 0; !is_file && i < num_parent; i++)
+ is_file = !S_ISLNK(elem->parent[i].mode);
+ if (!is_file)
+ elem->mode = canon_mode(S_IFLNK);
+
result_size = len;
result = xmalloc(len + 1);
while (sz < len) {
- int done = xread(fd, result+sz, len-sz);
+ ssize_t done = xread(fd, result+sz, len-sz);
if (done == 0)
break;
if (done < 0)
result[len] = 0;
}
else {
- /* deleted file */
+ deleted_file:
result_size = 0;
elem->mode = 0;
result = xcalloc(1, 1);
}
+
if (0 <= fd)
close(fd);
}
diffopts = *opt;
diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diffopts.recursive = 1;
+ diffopts.allow_external = 0;
show_log_first = !!rev->loginfo && !rev->no_commit_id;
needsep = 0;