#include "quote.h"
#include "xdiff-interface.h"
#include "log-tree.h"
+#include "refs.h"
static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, int n, int num_parent)
{
/* bit 0 up to (N-1) are on if the parent has this line (i.e.
* we did not change it).
* bit N is used for "interesting" lines, including context.
+ * bit (N+1) is used for "do not show deletion before this".
*/
unsigned long flag;
unsigned long *p_lno;
};
-static char *grab_blob(const unsigned char *sha1, unsigned long *size)
+static char *grab_blob(const unsigned char *sha1, unsigned int mode, unsigned long *size)
{
char *blob;
enum object_type type;
- if (is_null_sha1(sha1)) {
+
+ if (S_ISGITLINK(mode)) {
+ blob = xmalloc(100);
+ *size = snprintf(blob, 100,
+ "Subproject commit %s\n", sha1_to_hex(sha1));
+ } else if (is_null_sha1(sha1)) {
/* deleted blob */
*size = 0;
return xcalloc(1, 1);
+ } else {
+ blob = read_sha1_file(sha1, &type, size);
+ if (type != OBJ_BLOB)
+ die("object '%s' is not a blob!", sha1_to_hex(sha1));
}
- blob = read_sha1_file(sha1, &type, size);
- if (type != OBJ_BLOB)
- die("object '%s' is not a blob!", sha1_to_hex(sha1));
return blob;
}
}
}
-static void combine_diff(const unsigned char *parent, mmfile_t *result_file,
+static void combine_diff(const unsigned char *parent, unsigned int mode,
+ mmfile_t *result_file,
struct sline *sline, unsigned int cnt, int n,
int num_parent)
{
if (!cnt)
return; /* result deleted */
- parent_file.ptr = grab_blob(parent, &sz);
+ parent_file.ptr = grab_blob(parent, mode, &sz);
parent_file.size = sz;
xpp.flags = XDF_NEED_MINIMAL;
memset(&xecfg, 0, sizeof(xecfg));
{
unsigned long all_mask = (1UL<<num_parent) - 1;
unsigned long mark = (1UL<<num_parent);
+ unsigned long no_pre_delete = (2UL<<num_parent);
unsigned long i;
/* Two groups of interesting lines may have a short gap of
/* Paint a few lines before the first interesting line. */
while (j < i)
- sline[j++].flag |= mark;
+ sline[j++].flag |= mark | no_pre_delete;
again:
/* we know up to i is to be included. where does the
return (isalpha(ch) || ch == '_' || ch == '$');
}
+static void show_line_to_eol(const char *line, int len, const char *reset)
+{
+ int saw_cr_at_eol = 0;
+ if (len < 0)
+ len = strlen(line);
+ saw_cr_at_eol = (len && line[len-1] == '\r');
+
+ printf("%.*s%s%s\n", len - saw_cr_at_eol, line,
+ reset,
+ saw_cr_at_eol ? "\r" : "");
+}
+
static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
int use_color)
{
unsigned long mark = (1UL<<num_parent);
+ unsigned long no_pre_delete = (2UL<<num_parent);
int i;
unsigned long lno = 0;
const char *c_frag = diff_get_color(use_color, DIFF_FRAGINFO);
int j;
unsigned long p_mask;
sl = &sline[lno++];
- ll = sl->lost_head;
+ ll = (sl->flag & no_pre_delete) ? NULL : sl->lost_head;
while (ll) {
fputs(c_old, stdout);
for (j = 0; j < num_parent; j++) {
else
putchar(' ');
}
- printf("%s%s\n", ll->line, c_reset);
+ show_line_to_eol(ll->line, -1, c_reset);
ll = ll->next;
}
if (cnt < lno)
putchar(' ');
p_mask <<= 1;
}
- printf("%.*s%s\n", sl->len, sl->bol, c_reset);
+ show_line_to_eol(sl->bol, sl->len, c_reset);
}
}
}
context = opt->context;
/* Read the result of merge first */
if (!working_tree_file)
- result = grab_blob(elem->sha1, &result_size);
+ result = grab_blob(elem->sha1, elem->mode, &result_size);
else {
/* Used by diff-tree to read from the working tree */
struct stat st;
}
result[len] = 0;
elem->mode = canon_mode(st.st_mode);
- }
- else if (0 <= (fd = open(elem->path, O_RDONLY)) &&
- !fstat(fd, &st)) {
+ } else if (S_ISDIR(st.st_mode)) {
+ unsigned char sha1[20];
+ if (resolve_gitlink_ref(elem->path, "HEAD", sha1) < 0)
+ result = grab_blob(elem->sha1, elem->mode, &result_size);
+ else
+ result = grab_blob(sha1, elem->mode, &result_size);
+ } else if (0 <= (fd = open(elem->path, O_RDONLY))) {
size_t len = xsize_t(st.st_size);
ssize_t done;
int is_file, i;
die("early EOF '%s'", elem->path);
result[len] = 0;
+
+ /* If not a fake symlink, apply filters, e.g. autocrlf */
+ if (is_file) {
+ struct strbuf buf;
+
+ strbuf_init(&buf, 0);
+ if (convert_to_git(elem->path, result, len, &buf, safe_crlf)) {
+ free(result);
+ result = strbuf_detach(&buf, &len);
+ result_size = len;
+ }
+ }
}
else {
deleted_file:
}
}
if (i <= j)
- combine_diff(elem->parent[i].sha1, &result_file, sline,
+ combine_diff(elem->parent[i].sha1,
+ elem->parent[i].mode,
+ &result_file, sline,
cnt, i, num_parent);
if (elem->parent[i].mode != elem->mode)
mode_differs = 1;