log: introduce init_log_defaults()
[gitweb.git] / ref-filter.c
index 32aab37d36b50df2a3230ee4f558d8d91d1272f4..f097176ed93229fe75533e21dc60e0bbc5a4e7ef 100644 (file)
@@ -11,6 +11,8 @@
 #include "ref-filter.h"
 #include "revision.h"
 #include "utf8.h"
+#include "git-compat-util.h"
+#include "version.h"
 
 typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
 
@@ -341,9 +343,7 @@ static int grab_objectname(const char *name, const unsigned char *sha1,
                            struct atom_value *v)
 {
        if (!strcmp(name, "objectname")) {
-               char *s = xmalloc(41);
-               strcpy(s, sha1_to_hex(sha1));
-               v->s = s;
+               v->s = xstrdup(sha1_to_hex(sha1));
                return 1;
        }
        if (!strcmp(name, "objectname:short")) {
@@ -368,13 +368,11 @@ static void grab_common_values(struct atom_value *val, int deref, struct object
                if (!strcmp(name, "objecttype"))
                        v->s = typename(obj->type);
                else if (!strcmp(name, "objectsize")) {
-                       char *s = xmalloc(40);
-                       sprintf(s, "%lu", sz);
                        v->ul = sz;
-                       v->s = s;
+                       v->s = xstrfmt("%lu", sz);
                }
                else if (deref)
-                       grab_objectname(name, obj->sha1, v);
+                       grab_objectname(name, obj->oid.hash, v);
        }
 }
 
@@ -395,11 +393,8 @@ static void grab_tag_values(struct atom_value *val, int deref, struct object *ob
                        v->s = tag->tag;
                else if (!strcmp(name, "type") && tag->tagged)
                        v->s = typename(tag->tagged->type);
-               else if (!strcmp(name, "object") && tag->tagged) {
-                       char *s = xmalloc(41);
-                       strcpy(s, sha1_to_hex(tag->tagged->sha1));
-                       v->s = s;
-               }
+               else if (!strcmp(name, "object") && tag->tagged)
+                       v->s = xstrdup(oid_to_hex(&tag->tagged->oid));
        }
 }
 
@@ -417,32 +412,22 @@ static void grab_commit_values(struct atom_value *val, int deref, struct object
                if (deref)
                        name++;
                if (!strcmp(name, "tree")) {
-                       char *s = xmalloc(41);
-                       strcpy(s, sha1_to_hex(commit->tree->object.sha1));
-                       v->s = s;
+                       v->s = xstrdup(oid_to_hex(&commit->tree->object.oid));
                }
-               if (!strcmp(name, "numparent")) {
-                       char *s = xmalloc(40);
+               else if (!strcmp(name, "numparent")) {
                        v->ul = commit_list_count(commit->parents);
-                       sprintf(s, "%lu", v->ul);
-                       v->s = s;
+                       v->s = xstrfmt("%lu", v->ul);
                }
                else if (!strcmp(name, "parent")) {
-                       int num = commit_list_count(commit->parents);
-                       int i;
                        struct commit_list *parents;
-                       char *s = xmalloc(41 * num + 1);
-                       v->s = s;
-                       for (i = 0, parents = commit->parents;
-                            parents;
-                            parents = parents->next, i = i + 41) {
+                       struct strbuf s = STRBUF_INIT;
+                       for (parents = commit->parents; parents; parents = parents->next) {
                                struct commit *parent = parents->item;
-                               strcpy(s+i, sha1_to_hex(parent->object.sha1));
-                               if (parents->next)
-                                       s[i+40] = ' ';
+                               if (parents != commit->parents)
+                                       strbuf_addch(&s, ' ');
+                               strbuf_addstr(&s, oid_to_hex(&parent->object.oid));
                        }
-                       if (!i)
-                               *s = '\0';
+                       v->s = strbuf_detach(&s, NULL);
                }
        }
 }
@@ -778,6 +763,29 @@ static inline char *copy_advance(char *dst, const char *src)
        return dst;
 }
 
+static const char *strip_ref_components(const char *refname, const char *nr_arg)
+{
+       char *end;
+       long nr = strtol(nr_arg, &end, 10);
+       long remaining = nr;
+       const char *start = refname;
+
+       if (nr < 1 || *end != '\0')
+               die(":strip= requires a positive integer argument");
+
+       while (remaining) {
+               switch (*start++) {
+               case '\0':
+                       die("ref '%s' does not have %ld components to :strip",
+                           refname, nr);
+               case '/':
+                       remaining--;
+                       break;
+               }
+       }
+       return start;
+}
+
 /*
  * Parse the object referred by ref, and grab needed value.
  */
@@ -924,15 +932,17 @@ static void populate_value(struct ref_array_item *ref)
                formatp = strchr(name, ':');
                if (formatp) {
                        int num_ours, num_theirs;
+                       const char *arg;
 
                        formatp++;
                        if (!strcmp(formatp, "short"))
                                refname = shorten_unambiguous_ref(refname,
                                                      warn_ambiguous_refs);
+                       else if (skip_prefix(formatp, "strip=", &arg))
+                               refname = strip_ref_components(refname, arg);
                        else if (!strcmp(formatp, "track") &&
                                 (starts_with(name, "upstream") ||
                                  starts_with(name, "push"))) {
-                               char buf[40];
 
                                if (stat_tracking_info(branch, &num_ours,
                                                       &num_theirs, NULL))
@@ -940,17 +950,13 @@ static void populate_value(struct ref_array_item *ref)
 
                                if (!num_ours && !num_theirs)
                                        v->s = "";
-                               else if (!num_ours) {
-                                       sprintf(buf, "[behind %d]", num_theirs);
-                                       v->s = xstrdup(buf);
-                               } else if (!num_theirs) {
-                                       sprintf(buf, "[ahead %d]", num_ours);
-                                       v->s = xstrdup(buf);
-                               } else {
-                                       sprintf(buf, "[ahead %d, behind %d]",
-                                               num_ours, num_theirs);
-                                       v->s = xstrdup(buf);
-                               }
+                               else if (!num_ours)
+                                       v->s = xstrfmt("[behind %d]", num_theirs);
+                               else if (!num_theirs)
+                                       v->s = xstrfmt("[ahead %d]", num_ours);
+                               else
+                                       v->s = xstrfmt("[ahead %d, behind %d]",
+                                                      num_ours, num_theirs);
                                continue;
                        } else if (!strcmp(formatp, "trackshort") &&
                                   (starts_with(name, "upstream") ||
@@ -977,12 +983,8 @@ static void populate_value(struct ref_array_item *ref)
 
                if (!deref)
                        v->s = refname;
-               else {
-                       int len = strlen(refname);
-                       char *s = xmalloc(len + 4);
-                       sprintf(s, "%s^{}", refname);
-                       v->s = s;
-               }
+               else
+                       v->s = xstrfmt("%s^{}", refname);
        }
 
        for (i = 0; i < used_atom_cnt; i++) {
@@ -1016,7 +1018,7 @@ static void populate_value(struct ref_array_item *ref)
         * If it is a tag object, see if we use a value that derefs
         * the object, and if we do grab the object it refers to.
         */
-       tagged = ((struct tag *)obj)->tagged->sha1;
+       tagged = ((struct tag *)obj)->tagged->oid.hash;
 
        /*
         * NEEDSWORK: This derefs tag only once, which
@@ -1073,7 +1075,7 @@ struct contains_stack {
 static int in_commit_list(const struct commit_list *want, struct commit *c)
 {
        for (; want; want = want->next)
-               if (!hashcmp(want->item->object.sha1, c->object.sha1))
+               if (!oidcmp(&want->item->object.oid, &c->object.oid))
                        return 1;
        return 0;
 }
@@ -1157,11 +1159,35 @@ static int commit_contains(struct ref_filter *filter, struct commit *commit)
        return is_descendant_of(commit, filter->with_commit);
 }
 
+/*
+ * Return 1 if the refname matches one of the patterns, otherwise 0.
+ * A pattern can be a literal prefix (e.g. a refname "refs/heads/master"
+ * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref
+ * matches "refs/heads/mas*", too).
+ */
+static int match_pattern(const char **patterns, const char *refname)
+{
+       /*
+        * When no '--format' option is given we need to skip the prefix
+        * for matching refs of tags and branches.
+        */
+       (void)(skip_prefix(refname, "refs/tags/", &refname) ||
+              skip_prefix(refname, "refs/heads/", &refname) ||
+              skip_prefix(refname, "refs/remotes/", &refname) ||
+              skip_prefix(refname, "refs/", &refname));
+
+       for (; *patterns; patterns++) {
+               if (!wildmatch(*patterns, refname, 0, NULL))
+                       return 1;
+       }
+       return 0;
+}
+
 /*
  * Return 1 if the refname matches one of the patterns, otherwise 0.
  * A pattern can be path prefix (e.g. a refname "refs/heads/master"
- * matches a pattern "refs/heads/") or a wildcard (e.g. the same ref
- * matches "refs/heads/m*",too).
+ * matches a pattern "refs/heads/" but not "refs/heads/m") or a
+ * wildcard (e.g. the same ref matches "refs/heads/m*", too).
  */
 static int match_name_as_path(const char **pattern, const char *refname)
 {
@@ -1182,6 +1208,16 @@ static int match_name_as_path(const char **pattern, const char *refname)
        return 0;
 }
 
+/* Return 1 if the refname matches one of the patterns, otherwise 0. */
+static int filter_pattern_match(struct ref_filter *filter, const char *refname)
+{
+       if (!*filter->name_patterns)
+               return 1; /* No pattern always matches */
+       if (filter->match_as_path)
+               return match_name_as_path(filter->name_patterns, refname);
+       return match_pattern(filter->name_patterns, refname);
+}
+
 /*
  * Given a ref (sha1, refname), check if the ref belongs to the array
  * of sha1s. If the given ref is a tag, check if the given tag points
@@ -1208,7 +1244,7 @@ static const unsigned char *match_points_at(struct sha1_array *points_at,
        if (!obj)
                die(_("malformed object at '%s'"), refname);
        if (obj->type == OBJ_TAG)
-               tagged_sha1 = ((struct tag *)obj)->tagged->sha1;
+               tagged_sha1 = ((struct tag *)obj)->tagged->oid.hash;
        if (tagged_sha1 && sha1_array_lookup(points_at, tagged_sha1) >= 0)
                return tagged_sha1;
        return NULL;
@@ -1284,7 +1320,7 @@ static int ref_filter_handler(const char *refname, const struct object_id *oid,
        if (!(kind & filter->kind))
                return 0;
 
-       if (*filter->name_patterns && !match_name_as_path(filter->name_patterns, refname))
+       if (!filter_pattern_match(filter, refname))
                return 0;
 
        if (filter->points_at.nr && !match_points_at(&filter->points_at, oid->hash, refname))
@@ -1295,7 +1331,7 @@ static int ref_filter_handler(const char *refname, const struct object_id *oid,
         * obtain the commit using the 'oid' available and discard all
         * non-commits early. The actual filtering is done later.
         */
-       if (filter->merge_commit || filter->with_commit) {
+       if (filter->merge_commit || filter->with_commit || filter->verbose) {
                commit = lookup_commit_reference_gently(oid->hash, 1);
                if (!commit)
                        return 0;
@@ -1439,19 +1475,19 @@ static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, stru
 
        get_ref_atom_value(a, s->atom, &va);
        get_ref_atom_value(b, s->atom, &vb);
-       switch (cmp_type) {
-       case FIELD_STR:
+       if (s->version)
+               cmp = versioncmp(va->s, vb->s);
+       else if (cmp_type == FIELD_STR)
                cmp = strcmp(va->s, vb->s);
-               break;
-       default:
+       else {
                if (va->ul < vb->ul)
                        cmp = -1;
                else if (va->ul == vb->ul)
-                       cmp = 0;
+                       cmp = strcmp(a->refname, b->refname);
                else
                        cmp = 1;
-               break;
        }
+
        return (s->reverse) ? -cmp : cmp;
 }
 
@@ -1584,6 +1620,9 @@ int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset)
                s->reverse = 1;
                arg++;
        }
+       if (skip_prefix(arg, "version:", &arg) ||
+           skip_prefix(arg, "v:", &arg))
+               s->version = 1;
        len = strlen(arg);
        s->atom = parse_ref_filter_atom(arg, arg+len);
        return 0;