typedef int (*ll_merge_fn)(const struct ll_merge_driver *,
mmbuffer_t *result,
const char *path,
- mmfile_t *orig,
+ mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int flag,
+ const struct ll_merge_options *opts,
int marker_size);
struct ll_merge_driver {
static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path_unused,
- mmfile_t *orig,
+ mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int flag, int marker_size)
+ const struct ll_merge_options *opts,
+ int marker_size)
{
+ mmfile_t *stolen;
+ assert(opts);
+
/*
* The tentative merge result is "ours" for the final round,
* or common ancestor for an internal merge. Still return
* "conflicted merge" status.
*/
- mmfile_t *stolen = (flag & 01) ? orig : src1;
+ stolen = opts->virtual_ancestor ? orig : src1;
result->ptr = stolen->ptr;
result->size = stolen->size;
static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path,
- mmfile_t *orig,
+ mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int flag, int marker_size)
+ const struct ll_merge_options *opts,
+ int marker_size)
{
xmparam_t xmp;
- int style = 0;
- int favor = (flag >> 1) & 03;
+ assert(opts);
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
path, name1, name2);
return ll_binary_merge(drv_unused, result,
path,
- orig, src1, name1,
+ orig, orig_name,
+ src1, name1,
src2, name2,
- flag, marker_size);
+ opts, marker_size);
}
memset(&xmp, 0, sizeof(xmp));
+ xmp.level = XDL_MERGE_ZEALOUS;
+ xmp.favor = opts->variant;
+ xmp.xpp.flags = opts->xdl_opts;
if (git_xmerge_style >= 0)
- style = git_xmerge_style;
+ xmp.style = git_xmerge_style;
if (marker_size > 0)
xmp.marker_size = marker_size;
- return xdl_merge(orig,
- src1, name1,
- src2, name2,
- &xmp, XDL_MERGE_FLAGS(XDL_MERGE_ZEALOUS, style, favor),
- result);
+ xmp.ancestor = orig_name;
+ xmp.file1 = name1;
+ xmp.file2 = name2;
+ return xdl_merge(orig, src1, src2, &xmp, result);
}
static int ll_union_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path_unused,
- mmfile_t *orig,
+ mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int flag, int marker_size)
+ const struct ll_merge_options *opts,
+ int marker_size)
{
- char *src, *dst;
- long size;
- int status, saved_style;
-
- /* We have to force the RCS "merge" style */
- saved_style = git_xmerge_style;
- git_xmerge_style = 0;
- status = ll_xdl_merge(drv_unused, result, path_unused,
- orig, src1, NULL, src2, NULL,
- flag, marker_size);
- git_xmerge_style = saved_style;
- if (status <= 0)
- return status;
- size = result->size;
- src = dst = result->ptr;
- while (size) {
- char ch;
- if ((marker_size < size) &&
- (*src == '<' || *src == '=' || *src == '>')) {
- int i;
- ch = *src;
- for (i = 0; i < marker_size; i++)
- if (src[i] != ch)
- goto not_a_marker;
- if (src[marker_size] != '\n')
- goto not_a_marker;
- src += marker_size + 1;
- size -= marker_size + 1;
- continue;
- }
- not_a_marker:
- do {
- ch = *src++;
- *dst++ = ch;
- size--;
- } while (ch != '\n' && size);
- }
- result->size = dst - result->ptr;
- return 0;
+ /* Use union favor */
+ struct ll_merge_options o;
+ assert(opts);
+ o = *opts;
+ o.variant = XDL_MERGE_FAVOR_UNION;
+ return ll_xdl_merge(drv_unused, result, path_unused,
+ orig, NULL, src1, NULL, src2, NULL,
+ &o, marker_size);
}
#define LL_BINARY_MERGE 0
static int ll_ext_merge(const struct ll_merge_driver *fn,
mmbuffer_t *result,
const char *path,
- mmfile_t *orig,
+ mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
- int flag, int marker_size)
+ const struct ll_merge_options *opts,
+ int marker_size)
{
char temp[4][50];
struct strbuf cmd = STRBUF_INIT;
- struct strbuf_expand_dict_entry dict[] = {
- { "O", temp[0] },
- { "A", temp[1] },
- { "B", temp[2] },
- { "L", temp[3] },
- { NULL }
- };
+ struct strbuf_expand_dict_entry dict[5];
const char *args[] = { NULL, NULL };
int status, fd, i;
struct stat st;
+ assert(opts);
+
+ dict[0].placeholder = "O"; dict[0].value = temp[0];
+ dict[1].placeholder = "A"; dict[1].value = temp[1];
+ dict[2].placeholder = "B"; dict[2].value = temp[2];
+ dict[3].placeholder = "L"; dict[3].value = temp[3];
+ dict[4].placeholder = NULL; dict[4].value = NULL;
if (fn->cmdline == NULL)
die("custom merge driver %s lacks command line.", fn->name);
return git_checkattr(path, 2, check);
}
+static void normalize_file(mmfile_t *mm, const char *path)
+{
+ struct strbuf strbuf = STRBUF_INIT;
+ if (renormalize_buffer(path, mm->ptr, mm->size, &strbuf)) {
+ free(mm->ptr);
+ mm->size = strbuf.len;
+ mm->ptr = strbuf_detach(&strbuf, NULL);
+ }
+}
+
int ll_merge(mmbuffer_t *result_buf,
const char *path,
- mmfile_t *ancestor,
+ mmfile_t *ancestor, const char *ancestor_label,
mmfile_t *ours, const char *our_label,
mmfile_t *theirs, const char *their_label,
- int flag)
+ const struct ll_merge_options *opts)
{
static struct git_attr_check check[2];
+ static const struct ll_merge_options default_opts;
const char *ll_driver_name = NULL;
int marker_size = DEFAULT_CONFLICT_MARKER_SIZE;
const struct ll_merge_driver *driver;
- int virtual_ancestor = flag & 01;
+ if (!opts)
+ opts = &default_opts;
+
+ if (opts->renormalize) {
+ normalize_file(ancestor, path);
+ normalize_file(ours, path);
+ normalize_file(theirs, path);
+ }
if (!git_path_check_merge(path, check)) {
ll_driver_name = check[0].value;
if (check[1].value) {
}
}
driver = find_ll_merge_driver(ll_driver_name);
- if (virtual_ancestor && driver->recursive)
+ if (opts->virtual_ancestor && driver->recursive)
driver = find_ll_merge_driver(driver->recursive);
- return driver->fn(driver, result_buf, path, ancestor,
+ return driver->fn(driver, result_buf, path, ancestor, ancestor_label,
ours, our_label, theirs, their_label,
- flag, marker_size);
+ opts, marker_size);
}
int ll_merge_marker_size(const char *path)