12 files changed, 263 insertions, 79 deletions

diff --git a/Makefile b/Makefile
index 2107610..2e51c31 100644
--- a/Makefile
+++ b/Makefile
@@ -9,2 +9,22 @@ GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 
+# Define NO_STRCASESTR if you don't have strcasestr.
+#
+# Define NEEDS_LIBICONV if linking with libc is not enough (eg. Darwin).
+#
+
+#-include config.mak
+
+#
+# Platform specific tweaks
+#
+
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
+uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
+
+ifeq ($(uname_O),Cygwin)
+        NO_STRCASESTR = YesPlease
+        NEEDS_LIBICONV = YesPlease
+endif
+
 #
@@ -98,2 +118,5 @@ ifdef NO_ICONV
 endif
+ifdef NO_STRCASESTR
+        CFLAGS += -DNO_STRCASESTR
+endif
 
diff --git a/cgit.c b/cgit.c
index db5d342..166fbc6 100644
--- a/cgit.c
+++ b/cgit.c
@@ -156,2 +156,4 @@ static void querystring_cb(const char *name, const char *value)
                 ctx.qry.mimetype = xstrdup(value);
+        } else if (!strcmp(name, "s")){
+                ctx.qry.sort = xstrdup(value);
         } else if (!strcmp(name, "showmsg")) {
diff --git a/cgit.h b/cgit.h
index aab898b..cb2f176 100644
--- a/cgit.h
+++ b/cgit.h
@@ -63,2 +63,3 @@ struct cgit_repo {
         int enable_log_linecount;
+        time_t mtime;
 };
@@ -123,2 +124,3 @@ struct cgit_query {
         int nohead;
+        char *sort;
         int showmsg;
@@ -236,8 +238,2 @@ extern int cgit_parse_snapshots_mask(const char *str);
 
-/* libgit.a either links against or compiles its own implementation of
- * strcasestr(), and we'd like to reuse it. Simply re-declaring it
- * seems to do the trick.
- */
-extern char *strcasestr(const char *haystack, const char *needle);
-
 
diff --git a/cmd.c b/cmd.c
index 5b3c14c..8914fa5 100644
--- a/cmd.c
+++ b/cmd.c
@@ -106,4 +106,3 @@ static void snapshot_fn(struct cgit_context *ctx)
 {
-        cgit_print_snapshot(ctx->qry.head, ctx->qry.sha1,
-                            cgit_repobasename(ctx->repo->url), ctx->qry.path,
+        cgit_print_snapshot(ctx->qry.head, ctx->qry.sha1, ctx->qry.path,
                             ctx->repo->snapshots, ctx->qry.nohead);
diff --git a/parsing.c b/parsing.c
index c8f3048..f3f3b15 100644
--- a/parsing.c
+++ b/parsing.c
@@ -98,2 +98,5 @@ char *parse_user(char *t, char **name, char **email, unsigned long *date)
 
+#ifdef NO_ICONV
+#define reencode(a, b, c)
+#else
 const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
@@ -112,2 +115,3 @@ const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
 }
+#endif
 
diff --git a/shared.c b/shared.c
index f5875e4..89d1bab 100644
--- a/shared.c
+++ b/shared.c
@@ -62,2 +62,3 @@ struct cgit_repo *cgit_add_repo(const char *url)
         ret->readme = NULL;
+        ret->mtime = -1;
         return ret;
diff --git a/ui-log.c b/ui-log.c
index 00ecd4e..2f90778 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -80,2 +80,13 @@ void print_commit(struct commit *commit)
 
+static const char *disambiguate_ref(const char *ref)
+{
+        unsigned char sha1[20];
+        const char *longref;
+
+        longref = fmt("refs/heads/%s", ref);
+        if (get_sha1(longref, sha1) == 0)
+                return longref;
+
+        return ref;
+}
 
@@ -86,3 +97,3 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
         struct commit *commit;
-        const char *argv[] = {NULL, tip, NULL, NULL, NULL};
+        const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
         int argc = 2;
@@ -91,3 +102,5 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
         if (!tip)
-                argv[1] = ctx.qry.head;
+                tip = ctx.qry.head;
+
+        argv[1] = disambiguate_ref(tip);
 
diff --git a/ui-refs.c b/ui-refs.c
index 7eb16d5..d61ee7c 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -81,3 +81,3 @@ static void print_tag_header()
         html("<tr class='nohover'><th class='left'>Tag</th>"
-             "<th class='left'>Reference</th>"
+             "<th class='left'>Download</th>"
              "<th class='left'>Author</th>"
@@ -87,2 +87,27 @@ static void print_tag_header()
 
+static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
+{
+        const struct cgit_snapshot_format* f;
+            char *filename;
+        const char *basename;
+
+        if (!ref || strlen(ref) < 2)
+                return;
+
+        basename = cgit_repobasename(repo->url);
+        if (prefixcmp(ref, basename) != 0) {
+                if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
+                        ref++;
+                if (isdigit(ref[0]))
+                        ref = xstrdup(fmt("%s-%s", basename, ref));
+        }
+
+        for (f = cgit_snapshot_formats; f->suffix; f++) {
+                if (!(repo->snapshots & f->bit))
+                        continue;
+                filename = fmt("%s%s", ref, f->suffix);
+                cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
+                html("&nbsp;&nbsp;");
+        }
+}
 static int print_tag(struct refinfo *ref)
@@ -101,2 +126,5 @@ static int print_tag(struct refinfo *ref)
                 html("</td><td>");
+                if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
+                        print_tag_downloads(ctx.repo, name);
+                else
                 cgit_object_link(tag->tagged);
@@ -115,2 +143,5 @@ static int print_tag(struct refinfo *ref)
                 html("</td><td>");
+                if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
+                        print_tag_downloads(ctx.repo, name);
+                else
                 cgit_object_link(ref->object);
diff --git a/ui-repolist.c b/ui-repolist.c
index 5833140..2c13d50 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -8,2 +8,6 @@
 
+/* This is needed for strcasestr to be defined by <string.h> */
+#define _GNU_SOURCE 1
+#include <string.h>
+
 #include <time.h>
@@ -30,3 +34,3 @@ time_t read_agefile(char *path)
 
-static void print_modtime(struct cgit_repo *repo)
+static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
 {
@@ -34,7 +38,13 @@ static void print_modtime(struct cgit_repo *repo)
         struct stat s;
+        struct cgit_repo *r = (struct cgit_repo *)repo;
 
+        if (repo->mtime != -1) {
+                *mtime = repo->mtime;
+                return 1;
+        }
         path = fmt("%s/%s", repo->path, ctx.cfg.agefile);
         if (stat(path, &s) == 0) {
-                cgit_print_age(read_agefile(path), -1, NULL);
-                return;
+                *mtime = read_agefile(path);
+                r->mtime = *mtime;
+                return 1;
         }
@@ -42,5 +52,16 @@ static void print_modtime(struct cgit_repo *repo)
         path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch);
-        if (stat(path, &s) != 0)
-                return;
-        cgit_print_age(s.st_mtime, -1, NULL);
+        if (stat(path, &s) == 0)
+                *mtime = s.st_mtime;
+        else
+                *mtime = 0;
+
+        r->mtime = *mtime;
+        return (r->mtime != 0);
+}
+
+static void print_modtime(struct cgit_repo *repo)
+{
+        time_t t;
+        if (get_repo_modtime(repo, &t))
+                cgit_print_age(t, -1, NULL);
 }
@@ -71,9 +92,19 @@ int is_in_url(struct cgit_repo *repo)
 
+void print_sort_header(const char *title, const char *sort)
+{
+        htmlf("<th class='left'><a href='./?s=%s", sort);
+        if (ctx.qry.search) {
+                html("&q=");
+                html_url_arg(ctx.qry.search);
+        }
+        htmlf("'>%s</a></th>", title);
+}
+
 void print_header(int columns)
 {
-        html("<tr class='nohover'>"
-             "<th class='left'>Name</th>"
-             "<th class='left'>Description</th>"
-             "<th class='left'>Owner</th>"
-             "<th class='left'>Idle</th>");
+        html("<tr class='nohover'>");
+        print_sort_header("Name", "name");
+        print_sort_header("Description", "desc");
+        print_sort_header("Owner", "owner");
+        print_sort_header("Idle", "idle");
         if (ctx.cfg.enable_index_links)
@@ -94,2 +125,77 @@ void print_pager(int items, int pagelen, char *search)
 
+static int cmp(const char *s1, const char *s2)
+{
+        if (s1 && s2)
+                return strcmp(s1, s2);
+        if (s1 && !s2)
+                return -1;
+        if (s2 && !s1)
+                return 1;
+        return 0;
+}
+
+static int sort_name(const void *a, const void *b)
+{
+        const struct cgit_repo *r1 = a;
+        const struct cgit_repo *r2 = b;
+
+        return cmp(r1->name, r2->name);
+}
+
+static int sort_desc(const void *a, const void *b)
+{
+        const struct cgit_repo *r1 = a;
+        const struct cgit_repo *r2 = b;
+
+        return cmp(r1->desc, r2->desc);
+}
+
+static int sort_owner(const void *a, const void *b)
+{
+        const struct cgit_repo *r1 = a;
+        const struct cgit_repo *r2 = b;
+
+        return cmp(r1->owner, r2->owner);
+}
+
+static int sort_idle(const void *a, const void *b)
+{
+        const struct cgit_repo *r1 = a;
+        const struct cgit_repo *r2 = b;
+        time_t t1, t2;
+
+        t1 = t2 = 0;
+        get_repo_modtime(r1, &t1);
+        get_repo_modtime(r2, &t2);
+        return t2 - t1;
+}
+
+struct sortcolumn {
+        const char *name;
+        int (*fn)(const void *a, const void *b);
+};
+
+struct sortcolumn sortcolumn[] = {
+        {"name", sort_name},
+        {"desc", sort_desc},
+        {"owner", sort_owner},
+        {"idle", sort_idle},
+        {NULL, NULL}
+};
+
+int sort_repolist(char *field)
+{
+        struct sortcolumn *column;
+
+        for (column = &sortcolumn[0]; column->name; column++) {
+                if (strcmp(field, column->name))
+                        continue;
+                qsort(cgit_repolist.repos, cgit_repolist.count,
+                        sizeof(struct cgit_repo), column->fn);
+                return 1;
+        }
+        return 0;
+}
+
+
 void cgit_print_repolist()
@@ -98,2 +204,3 @@ void cgit_print_repolist()
         char *last_group = NULL;
+        int sorted = 0;
 
@@ -110,2 +217,5 @@ void cgit_print_repolist()
 
+        if(ctx.qry.sort)
+                sorted = sort_repolist(ctx.qry.sort);
+
         html("<table summary='repository list' class='list nowrap'>");
@@ -122,6 +232,7 @@ void cgit_print_repolist()
                         print_header(columns);
-                if ((last_group == NULL && ctx.repo->group != NULL) ||
+                if (!sorted &&
+                    ((last_group == NULL && ctx.repo->group != NULL) ||
                     (last_group != NULL && ctx.repo->group == NULL) ||
                     (last_group != NULL && ctx.repo->group != NULL &&
-                     strcmp(ctx.repo->group, last_group))) {
+                     strcmp(ctx.repo->group, last_group)))) {
                         htmlf("<tr class='nohover'><td colspan='%d' class='repogroup'>",
@@ -133,3 +244,3 @@ void cgit_print_repolist()
                 htmlf("<tr><td class='%s'>",
-                      ctx.repo->group ? "sublevel-repo" : "toplevel-repo");
+                      !sorted && ctx.repo->group ? "sublevel-repo" : "toplevel-repo");
                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
diff --git a/ui-shared.c b/ui-shared.c
index dc39e64..95dfeb4 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -373,7 +373,10 @@ void cgit_object_link(struct object *obj)
 {
-        char *page, *rev, *name;
+        char *page, *shortrev, *fullrev, *name;
 
+        fullrev = sha1_to_hex(obj->sha1);
+        shortrev = xstrdup(fullrev);
+        shortrev[10] = '\0';
         if (obj->type == OBJ_COMMIT) {
-                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
-                                 ctx.qry.head, sha1_to_hex(obj->sha1));
+                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
+                                 ctx.qry.head, fullrev);
                 return;
@@ -385,5 +388,4 @@ void cgit_object_link(struct object *obj)
                 page = "blob";
-        rev = sha1_to_hex(obj->sha1);
-        name = fmt("%s %s", typename(obj->type), rev);
-        reporevlink(page, name, NULL, NULL, ctx.qry.head, rev, NULL);
+        name = fmt("%s %s...", typename(obj->type), shortrev);
+        reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
@@ -717,4 +719,3 @@ void cgit_print_snapshot_links(const char *repo, const char *head,
                                f->suffix);
-                cgit_snapshot_link(filename, NULL, NULL, (char *)head,
-                                   (char *)hex, filename);
+                cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
                 html("<br/>");
diff --git a/ui-snapshot.c b/ui-snapshot.c
index 9c4d086..6f09151 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -116,51 +116,45 @@ static int make_snapshot(const struct cgit_snapshot_format *format,
 
-char *dwim_filename = NULL;
-const char *dwim_refname = NULL;
-
-static int ref_cb(const char *refname, const unsigned char *sha1, int flags,
-                  void *cb_data)
-{
-        const char *r = refname;
-        while (r && *r) {
-                fprintf(stderr, "  cmp %s with %s:", dwim_filename, r);
-                if (!strcmp(dwim_filename, r)) {
-                        fprintf(stderr, "MATCH!\n");
-                        dwim_refname = refname;
-                        return 1;
-                }
-                fprintf(stderr, "no match\n");
-                if (isdigit(*r))
-                        break;
-                r++;
-        }
-        return 0;
-}
-
-/* Try to guess the requested revision by combining repo name and tag name
- * and comparing this to the requested snapshot name. E.g. the requested
- * snapshot is "cgit-0.7.2.tar.gz" while repo name is "cgit" and tag name
- * is "v0.7.2". First, the reponame is stripped off, leaving "-0.7.2.tar.gz".
- * Next, any '-' and '_' characters are stripped, leaving "0.7.2.tar.gz".
- * Finally, the requested format suffix is removed and we end up with "0.7.2".
- * Then we test each tag against this dwimmed filename, and for each tag
- * we even try to remove any leading characters which are non-digits. I.e.
- * we first compare with "v0.7.2", then with "0.7.2" and we've got a match.
+/* Try to guess the requested revision from the requested snapshot name.
+ * First the format extension is stripped, e.g. "cgit-0.7.2.tar.gz" become
+ * "cgit-0.7.2". If this is a valid commit object name we've got a winner.
+ * Otherwise, if the snapshot name has a prefix matching the result from
+ * repo_basename(), we strip the basename and any following '-' and '_'
+ * characters ("cgit-0.7.2" -> "0.7.2") and check the resulting name once
+ * more. If this still isn't a valid commit object name, we check if pre-
+ * pending a 'v' to the remaining snapshot name ("0.7.2" -> "v0.7.2") gives
+ * us something valid.
  */
 static const char *get_ref_from_filename(const char *url, const char *filename,
-                                         const struct cgit_snapshot_format *fmt)
+                                         const struct cgit_snapshot_format *format)
 {
-        const char *reponame = cgit_repobasename(url);
-        fprintf(stderr, "reponame=%s, filename=%s\n", reponame, filename);
-        if (prefixcmp(filename, reponame))
+        const char *reponame;
+        unsigned char sha1[20];
+        char *snapshot;
+
+        snapshot = xstrdup(filename);
+        snapshot[strlen(snapshot) - strlen(format->suffix)] = '\0';
+        fprintf(stderr, "snapshot=%s\n", snapshot);
+
+        if (get_sha1(snapshot, sha1) == 0)
+                return snapshot;
+
+        reponame = cgit_repobasename(url);
+        fprintf(stderr, "reponame=%s\n", reponame);
+        if (prefixcmp(snapshot, reponame) == 0) {
+                snapshot += strlen(reponame);
+                while (snapshot && (*snapshot == '-' || *snapshot == '_'))
+                        snapshot++;
+        }
+
+        if (get_sha1(snapshot, sha1) == 0)
+                return snapshot;
+
+        snapshot = fmt("v%s", snapshot);
+        if (get_sha1(snapshot, sha1) == 0)
+                return snapshot;
+
                 return NULL;
-        filename += strlen(reponame);
-        while (filename && (*filename == '-' || *filename == '_'))
-                filename++;
-        dwim_filename = xstrdup(filename);
-        dwim_filename[strlen(filename) - strlen(fmt->suffix)] = '\0';
-        for_each_tag_ref(ref_cb, NULL);
-        return dwim_refname;
 }
 
-void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
+void cgit_print_snapshot(const char *head, const char *hex,
                          const char *filename, int snapshots, int dwim)
@@ -168,2 +162,3 @@ void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
         const struct cgit_snapshot_format* f;
+        char *prefix = NULL;
 
@@ -180,4 +175,9 @@ void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
 
-        if (!hex && dwim)
+        if (!hex && dwim) {
                 hex = get_ref_from_filename(ctx.repo->url, filename, f);
+                if (hex != NULL) {
+                        prefix = xstrdup(filename);
+                        prefix[strlen(filename) - strlen(f->suffix)] = '\0';
+                }
+        }
 
@@ -186,3 +186,7 @@ void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
 
+        if (!prefix)
+                prefix = xstrdup(cgit_repobasename(ctx.repo->url));
+
         make_snapshot(f, hex, prefix, filename);
+        free(prefix);
 }
diff --git a/ui-snapshot.h b/ui-snapshot.h
index 3540303..b6ede52 100644
--- a/ui-snapshot.h
+++ b/ui-snapshot.h
@@ -4,4 +4,3 @@
 extern void cgit_print_snapshot(const char *head, const char *hex,
-                                const char *prefix, const char *filename,
-                                int snapshot, int dwim);
+                                const char *filename, int snapshot, int dwim);