dir-iterator: refactor state machine model

diff --git a/ref-filter.c b/ref-filter.c
index cf80d4d69b75d778df90d2e16f7d5762ef86da4f..8500671bc60957432568443de42b548612106f3c 100644 (file)
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -917,7 +917,7 @@ static void grab_common_values(struct atom_value *val, int deref, struct expand_
 }
 
 /* See grab_values */
-static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_tag_values(struct atom_value *val, int deref, struct object *obj)
 {
        int i;
        struct tag *tag = (struct tag *) obj;
@@ -939,7 +939,7 @@ static void grab_tag_values(struct atom_value *val, int deref, struct object *ob
 }
 
 /* See grab_values */
-static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_commit_values(struct atom_value *val, int deref, struct object *obj)
 {
        int i;
        struct commit *commit = (struct commit *) obj;
@@ -972,7 +972,7 @@ static void grab_commit_values(struct atom_value *val, int deref, struct object
        }
 }
 
-static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
+static const char *find_wholine(const char *who, int wholen, const char *buf)
 {
        const char *eol;
        while (*buf) {
@@ -1068,7 +1068,7 @@ static void grab_date(const char *buf, struct atom_value *v, const char *atomnam
 }
 
 /* See grab_values */
-static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_person(const char *who, struct atom_value *val, int deref, void *buf)
 {
        int i;
        int wholen = strlen(who);
@@ -1089,7 +1089,7 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru
                    !starts_with(name + wholen, "date"))
                        continue;
                if (!wholine)
-                       wholine = find_wholine(who, wholen, buf, sz);
+                       wholine = find_wholine(who, wholen, buf);
                if (!wholine)
                        return; /* no point looking for it */
                if (name[wholen] == 0)
@@ -1109,7 +1109,7 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru
        if (strcmp(who, "tagger") && strcmp(who, "committer"))
                return; /* "author" for commit object is not wanted */
        if (!wholine)
-               wholine = find_wholine(who, wholen, buf, sz);
+               wholine = find_wholine(who, wholen, buf);
        if (!wholine)
                return;
        for (i = 0; i < used_atom_cnt; i++) {
@@ -1127,7 +1127,7 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru
        }
 }
 
-static void find_subpos(const char *buf, unsigned long sz,
+static void find_subpos(const char *buf,
                        const char **sub, unsigned long *sublen,
                        const char **body, unsigned long *bodylen,
                        unsigned long *nonsiglen,
@@ -1196,7 +1196,7 @@ static void append_lines(struct strbuf *out, const char *buf, unsigned long size
 }
 
 /* See grab_values */
-static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_sub_body_contents(struct atom_value *val, int deref, void *buf)
 {
        int i;
        const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL;
@@ -1216,7 +1216,7 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj
                    !starts_with(name, "contents"))
                        continue;
                if (!subpos)
-                       find_subpos(buf, sz,
+                       find_subpos(buf,
                                    &subpos, &sublen,
                                    &bodypos, &bodylen, &nonsiglen,
                                    &sigpos, &siglen);
@@ -1269,19 +1269,19 @@ static void fill_missing_values(struct atom_value *val)
  * pointed at by the ref itself; otherwise it is the object the
  * ref (which is a tag) refers to.
  */
-static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf)
 {
        switch (obj->type) {
        case OBJ_TAG:
-               grab_tag_values(val, deref, obj, buf, sz);
-               grab_sub_body_contents(val, deref, obj, buf, sz);
-               grab_person("tagger", val, deref, obj, buf, sz);
+               grab_tag_values(val, deref, obj);
+               grab_sub_body_contents(val, deref, buf);
+               grab_person("tagger", val, deref, buf);
                break;
        case OBJ_COMMIT:
-               grab_commit_values(val, deref, obj, buf, sz);
-               grab_sub_body_contents(val, deref, obj, buf, sz);
-               grab_person("author", val, deref, obj, buf, sz);
-               grab_person("committer", val, deref, obj, buf, sz);
+               grab_commit_values(val, deref, obj);
+               grab_sub_body_contents(val, deref, buf);
+               grab_person("author", val, deref, buf);
+               grab_person("committer", val, deref, buf);
                break;
        case OBJ_TREE:
                /* grab_tree_values(val, deref, obj, buf, sz); */
@@ -1392,7 +1392,8 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
                *s = show_ref(&atom->u.remote_ref.refname, refname);
        else if (atom->u.remote_ref.option == RR_TRACK) {
                if (stat_tracking_info(branch, &num_ours, &num_theirs,
-                                      NULL, AHEAD_BEHIND_FULL) < 0) {
+                                      NULL, atom->u.remote_ref.push,
+                                      AHEAD_BEHIND_FULL) < 0) {
                        *s = xstrdup(msgs.gone);
                } else if (!num_ours && !num_theirs)
                        *s = xstrdup("");
@@ -1410,7 +1411,8 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
                }
        } else if (atom->u.remote_ref.option == RR_TRACKSHORT) {
                if (stat_tracking_info(branch, &num_ours, &num_theirs,
-                                      NULL, AHEAD_BEHIND_FULL) < 0) {
+                                      NULL, atom->u.remote_ref.push,
+                                      AHEAD_BEHIND_FULL) < 0) {
                        *s = xstrdup("");
                        return;
                }
@@ -1520,7 +1522,7 @@ static int get_object(struct ref_array_item *ref, int deref, struct object **obj
                        return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
                                               oid_to_hex(&oi->oid), ref->refname);
                }
-               grab_values(ref->value, deref, *obj, oi->content, oi->size);
+               grab_values(ref->value, deref, *obj, oi->content);
        }
 
        grab_common_values(ref->value, deref, oi);
@@ -2337,8 +2339,13 @@ void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg)
 
 int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset)
 {
-       if (!arg) /* should --no-sort void the list ? */
-               return -1;
+       /*
+        * NEEDSWORK: We should probably clear the list in this case, but we've
+        * already munged the global used_atoms list, which would need to be
+        * undone.
+        */
+       BUG_ON_OPT_NEG(unset);
+
        parse_ref_sorting(opt->value, arg);
        return 0;
 }