Merge branch 'dl/complete-cherry-pick-revert-skip'

diff --git a/match-trees.c b/match-trees.c
index e65e665bf526c5169a734ee6bbd9a4013c9bc059..f6c194c1cca6bd64489b5dc1e90e5525da25d873 100644 (file)
--- a/match-trees.c
+++ b/match-trees.c
@@ -106,7 +106,7 @@ static int score_trees(const struct object_id *hash1, const struct object_id *ha
                        update_tree_entry(&two);
                } else {
                        /* path appears in both */
-                       if (!oideq(one.entry.oid, two.entry.oid)) {
+                       if (!oideq(&one.entry.oid, &two.entry.oid)) {
                                /* they are different */
                                score += score_differs(one.entry.mode,
                                                       two.entry.mode);
@@ -140,7 +140,7 @@ static void match_trees(const struct object_id *hash1,
        while (one.size) {
                const char *path;
                const struct object_id *elem;
-               unsigned mode;
+               unsigned short mode;
                int score;
 
                elem = tree_entry_extract(&one, &path, &mode);
@@ -177,7 +177,7 @@ static int splice_tree(const struct object_id *oid1, const char *prefix,
        char *buf;
        unsigned long sz;
        struct tree_desc desc;
-       struct object_id *rewrite_here;
+       unsigned char *rewrite_here;
        const struct object_id *rewrite_with;
        struct object_id subtree;
        enum object_type type;
@@ -196,16 +196,27 @@ static int splice_tree(const struct object_id *oid1, const char *prefix,
        rewrite_here = NULL;
        while (desc.size) {
                const char *name;
-               unsigned mode;
-               const struct object_id *oid;
+               unsigned short mode;
 
-               oid = tree_entry_extract(&desc, &name, &mode);
+               tree_entry_extract(&desc, &name, &mode);
                if (strlen(name) == toplen &&
                    !memcmp(name, prefix, toplen)) {
                        if (!S_ISDIR(mode))
                                die("entry %s in tree %s is not a tree", name,
                                    oid_to_hex(oid1));
-                       rewrite_here = (struct object_id *)oid;
+
+                       /*
+                        * We cast here for two reasons:
+                        *
+                        *   - to flip the "char *" (for the path) to "unsigned
+                        *     char *" (for the hash stored after it)
+                        *
+                        *   - to discard the "const"; this is OK because we
+                        *     know it points into our non-const "buf"
+                        */
+                       rewrite_here = (unsigned char *)(desc.entry.path +
+                                                        strlen(desc.entry.path) +
+                                                        1);
                        break;
                }
                update_tree_entry(&desc);
@@ -214,14 +225,16 @@ static int splice_tree(const struct object_id *oid1, const char *prefix,
                die("entry %.*s not found in tree %s", toplen, prefix,
                    oid_to_hex(oid1));
        if (*subpath) {
-               status = splice_tree(rewrite_here, subpath, oid2, &subtree);
+               struct object_id tree_oid;
+               hashcpy(tree_oid.hash, rewrite_here);
+               status = splice_tree(&tree_oid, subpath, oid2, &subtree);
                if (status)
                        return status;
                rewrite_with = &subtree;
        } else {
                rewrite_with = oid2;
        }
-       oidcpy(rewrite_here, rewrite_with);
+       hashcpy(rewrite_here, rewrite_with->hash);
        status = write_object_file(buf, sz, tree_type, result);
        free(buf);
        return status;
@@ -235,7 +248,8 @@ static int splice_tree(const struct object_id *oid1, const char *prefix,
  * other hand, it could cover tree one and we might need to pick a
  * subtree of it.
  */
-void shift_tree(const struct object_id *hash1,
+void shift_tree(struct repository *r,
+               const struct object_id *hash1,
                const struct object_id *hash2,
                struct object_id *shifted,
                int depth_limit)
@@ -272,12 +286,12 @@ void shift_tree(const struct object_id *hash1,
 
        if (add_score < del_score) {
                /* We need to pick a subtree of two */
-               unsigned mode;
+               unsigned short mode;
 
                if (!*del_prefix)
                        return;
 
-               if (get_tree_entry(hash2, del_prefix, shifted, &mode))
+               if (get_tree_entry(r, hash2, del_prefix, shifted, &mode))
                        die("cannot find path %s in tree %s",
                            del_prefix, oid_to_hex(hash2));
                return;
@@ -294,22 +308,23 @@ void shift_tree(const struct object_id *hash1,
  * Unfortunately we cannot fundamentally tell which one to
  * be prefixed, as recursive merge can work in either direction.
  */
-void shift_tree_by(const struct object_id *hash1,
+void shift_tree_by(struct repository *r,
+                  const struct object_id *hash1,
                   const struct object_id *hash2,
                   struct object_id *shifted,
                   const char *shift_prefix)
 {
        struct object_id sub1, sub2;
-       unsigned mode1, mode2;
+       unsigned short mode1, mode2;
        unsigned candidate = 0;
 
        /* Can hash2 be a tree at shift_prefix in tree hash1? */
-       if (!get_tree_entry(hash1, shift_prefix, &sub1, &mode1) &&
+       if (!get_tree_entry(r, hash1, shift_prefix, &sub1, &mode1) &&
            S_ISDIR(mode1))
                candidate |= 1;
 
        /* Can hash1 be a tree at shift_prefix in tree hash2? */
-       if (!get_tree_entry(hash2, shift_prefix, &sub2, &mode2) &&
+       if (!get_tree_entry(r, hash2, shift_prefix, &sub2, &mode2) &&
            S_ISDIR(mode2))
                candidate |= 2;