add function check_ok_to_remove()

diff --git a/ll-merge.c b/ll-merge.c
index 3764a1ab72354a3ce643c899c1e8cf5443d4e7cb..6bb3095c3a85d771bb60e8f2f025287d16e792df 100644 (file)
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -46,7 +46,7 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
         * or common ancestor for an internal merge.  Still return
         * "conflicted merge" status.
         */
-       mmfile_t *stolen = (flag & 01) ? orig : src1;
+       mmfile_t *stolen = (flag & LL_OPT_VIRTUAL_ANCESTOR) ? orig : src1;
 
        result->ptr = stolen->ptr;
        result->size = stolen->size;
@@ -79,7 +79,7 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
 
        memset(&xmp, 0, sizeof(xmp));
        xmp.level = XDL_MERGE_ZEALOUS;
-       xmp.favor= (flag >> 1) & 03;
+       xmp.favor = ll_opt_favor(flag);
        if (git_xmerge_style >= 0)
                xmp.style = git_xmerge_style;
        if (marker_size > 0)
@@ -99,7 +99,8 @@ static int ll_union_merge(const struct ll_merge_driver *drv_unused,
                          int flag, int marker_size)
 {
        /* Use union favor */
-       flag = (flag & 1) | (XDL_MERGE_FAVOR_UNION << 1);
+       flag &= ~LL_OPT_FAVOR_MASK;
+       flag |= create_ll_flag(XDL_MERGE_FAVOR_UNION);
        return ll_xdl_merge(drv_unused, result, path_unused,
                            orig, NULL, src1, NULL, src2, NULL,
                            flag, marker_size);
@@ -321,6 +322,16 @@ static int git_path_check_merge(const char *path, struct git_attr_check check[2]
        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, const char *ancestor_label,
@@ -332,8 +343,13 @@ int ll_merge(mmbuffer_t *result_buf,
        const char *ll_driver_name = NULL;
        int marker_size = DEFAULT_CONFLICT_MARKER_SIZE;
        const struct ll_merge_driver *driver;
-       int virtual_ancestor = flag & 01;
+       int virtual_ancestor = flag & LL_OPT_VIRTUAL_ANCESTOR;
 
+       if (flag & LL_OPT_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) {