21 files changed, 745 insertions, 88 deletions

@@ -5,12 +5,15 @@ CGIT_DATA_PATH = $(CGIT_SCRIPT_PATH)
 CGIT_CONFIG = /etc/cgitrc
 CACHE_ROOT = /var/cache/cgit
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 1.6.4.3
+GIT_VER = 1.7.0
 GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 INSTALL = install
 
 # Define NO_STRCASESTR if you don't have strcasestr.
 #
+# Define NO_OPENSSL to disable linking with OpenSSL and use bundled SHA1
+# implementation (slower).
+#
 # Define NEEDS_LIBICONV if linking with libc is not enough (eg. Darwin).
 #
 
@@ -68,7 +71,7 @@ endif
         $(QUIET_CC)$(CC) -o $*.o -c $(CFLAGS) $<
 
 
-EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
+EXTLIBS = git/libgit.a git/xdiff/lib.a -lz
 OBJECTS =
 OBJECTS += cache.o
 OBJECTS += cgit.o
@@ -90,6 +93,7 @@ OBJECTS += ui-refs.o
 OBJECTS += ui-repolist.o
 OBJECTS += ui-shared.o
 OBJECTS += ui-snapshot.o
+OBJECTS += ui-ssdiff.o
 OBJECTS += ui-stats.o
 OBJECTS += ui-summary.o
 OBJECTS += ui-tag.o
@@ -123,6 +127,12 @@ endif
 ifdef NO_STRCASESTR
         CFLAGS += -DNO_STRCASESTR
 endif
+ifdef NO_OPENSSL
+        CFLAGS += -DNO_OPENSSL
+        GIT_OPTIONS += NO_OPENSSL=1
+else
+        EXTLIBS += -lcrypto
+endif
 
 cgit: $(OBJECTS) libgit
         $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o cgit $(OBJECTS) $(EXTLIBS)
@@ -132,8 +142,8 @@ cgit.o: VERSION
 -include $(OBJECTS:.o=.d)
 
 libgit:
-        $(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) NO_CURL=1 libgit.a
-        $(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) NO_CURL=1 xdiff/lib.a
+        $(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) NO_CURL=1 $(GIT_OPTIONS) libgit.a
+        $(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) NO_CURL=1 $(GIT_OPTIONS) xdiff/lib.a
 
 test: all
         $(QUIET_SUBDIR0)tests $(QUIET_SUBDIR1) all
@@ -60,6 +60,8 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
                 repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
         else if (!strcmp(name, "enable-log-linecount"))
                 repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
+        else if (!strcmp(name, "enable-remote-branches"))
+                repo->enable_remote_branches = atoi(value);
         else if (!strcmp(name, "max-stats"))
                 repo->max_stats = cgit_find_stats_period(value, NULL);
         else if (!strcmp(name, "module-link"))
@@ -137,6 +139,8 @@ void config_cb(const char *name, const char *value)
                 ctx.cfg.enable_log_filecount = atoi(value);
         else if (!strcmp(name, "enable-log-linecount"))
                 ctx.cfg.enable_log_linecount = atoi(value);
+        else if (!strcmp(name, "enable-remote-branches"))
+                ctx.cfg.enable_remote_branches = atoi(value);
         else if (!strcmp(name, "enable-tree-linenumbers"))
                 ctx.cfg.enable_tree_linenumbers = atoi(value);
         else if (!strcmp(name, "max-stats"))
@@ -165,6 +169,8 @@ void config_cb(const char *name, const char *value)
                 ctx.cfg.max_msg_len = atoi(value);
         else if (!strcmp(name, "max-repodesc-length"))
                 ctx.cfg.max_repodesc_len = atoi(value);
+        else if (!strcmp(name, "max-blob-size"))
+                ctx.cfg.max_blob_size = atoi(value);
         else if (!strcmp(name, "max-repo-count"))
                 ctx.cfg.max_repo_count = atoi(value);
         else if (!strcmp(name, "max-commit-count"))
@@ -182,6 +188,8 @@ void config_cb(const char *name, const char *value)
                 ctx.cfg.summary_branches = atoi(value);
         else if (!strcmp(name, "summary-tags"))
                 ctx.cfg.summary_tags = atoi(value);
+        else if (!strcmp(name, "side-by-side-diffs"))
+                ctx.cfg.ssdiff = atoi(value);
         else if (!strcmp(name, "agefile"))
                 ctx.cfg.agefile = xstrdup(value);
         else if (!strcmp(name, "renamelimit"))
@@ -209,6 +217,8 @@ static void querystring_cb(const char *name, const char *value)
         } else if (!strcmp(name, "p")) {
                 ctx.qry.page = xstrdup(value);
         } else if (!strcmp(name, "url")) {
+                if (*value == '/')
+                        value++;
                 ctx.qry.url = xstrdup(value);
                 cgit_parse_url(value);
         } else if (!strcmp(name, "qt")) {
@@ -238,6 +248,8 @@ static void querystring_cb(const char *name, const char *value)
                 ctx.qry.showmsg = atoi(value);
         } else if (!strcmp(name, "period")) {
                 ctx.qry.period = xstrdup(value);
+        } else if (!strcmp(name, "ss")) {
+                ctx.qry.ssdiff = atoi(value);
         }
 }
 
@@ -268,6 +280,7 @@ static void prepare_context(struct cgit_context *ctx)
         ctx->cfg.max_lock_attempts = 5;
         ctx->cfg.max_msg_len = 80;
         ctx->cfg.max_repodesc_len = 80;
+        ctx->cfg.max_blob_size = 0;
         ctx->cfg.max_stats = 0;
         ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
         ctx->cfg.renamelimit = -1;
@@ -279,6 +292,7 @@ static void prepare_context(struct cgit_context *ctx)
         ctx->cfg.summary_branches = 10;
         ctx->cfg.summary_log = 10;
         ctx->cfg.summary_tags = 10;
+        ctx->cfg.ssdiff = 0;
         ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG"));
         ctx->env.http_host = xstrdupn(getenv("HTTP_HOST"));
         ctx->env.https = xstrdupn(getenv("HTTPS"));
@@ -162,6 +162,11 @@ table.list td a {
         color: black;
 }
 
+table.list td a.ls-dir {
+        font-weight: bold;
+        color: #00f;
+}
+
 table.list td a:hover {
         color: #00f;
 }
@@ -601,3 +606,102 @@ table.hgraph div.bar {
         background-color: #eee;
         height: 1em;
 }
+
+table.ssdiff {
+        width: 100%;
+}
+
+table.ssdiff td {
+        font-size: 75%;
+        font-family: monospace;
+        white-space: pre;
+        padding: 1px 4px 1px 4px;
+        border-left: solid 1px #aaa;
+        border-right: solid 1px #aaa;
+}
+
+table.ssdiff td.add {
+        color: black;
+        background: #cfc;
+        min-width: 50%;
+}
+
+table.ssdiff td.add_dark {
+        color: black;
+        background: #aca;
+        min-width: 50%;
+}
+
+table.ssdiff span.add {
+        background: #cfc;
+        font-weight: bold;
+}
+
+table.ssdiff td.del {
+        color: black;
+        background: #fcc;
+        min-width: 50%;
+}
+
+table.ssdiff td.del_dark {
+        color: black;
+        background: #caa;
+        min-width: 50%;
+}
+
+table.ssdiff span.del {
+        background: #fcc;
+        font-weight: bold;
+}
+
+table.ssdiff td.changed {
+        color: black;
+        background: #ffc;
+        min-width: 50%;
+}
+
+table.ssdiff td.changed_dark {
+        color: black;
+        background: #cca;
+        min-width: 50%;
+}
+
+table.ssdiff td.lineno {
+        color: black;
+        background: #eee;
+        text-align: right;
+        width: 3em;
+        min-width: 3em;
+}
+
+table.ssdiff td.hunk {
+        color: #black;
+        background: #ccf;
+        border-top: solid 1px #aaa;
+        border-bottom: solid 1px #aaa;
+}
+
+table.ssdiff td.head {
+        border-top: solid 1px #aaa;
+        border-bottom: solid 1px #aaa;
+}
+
+table.ssdiff td.head div.head {
+        font-weight: bold;
+        color: black;
+}
+
+table.ssdiff td.foot {
+        border-top: solid 1px #aaa;
+        border-left: none;
+        border-right: none;
+        border-bottom: none;
+}
+
+table.ssdiff td.space {
+        border: none;
+}
+
+table.ssdiff td.space div {
+        min-height: 3em;
+}
\ No newline at end of file
@@ -72,6 +72,7 @@ struct cgit_repo {
         int snapshots;
         int enable_log_filecount;
         int enable_log_linecount;
+        int enable_remote_branches;
         int max_stats;
         time_t mtime;
         struct cgit_filter *about_filter;
@@ -143,6 +144,7 @@ struct cgit_query {
         int nohead;
         char *sort;
         int showmsg;
+        int ssdiff;
 };
 
 struct cgit_config {
@@ -178,6 +180,7 @@ struct cgit_config {
         int enable_index_links;
         int enable_log_filecount;
         int enable_log_linecount;
+        int enable_remote_branches;
         int enable_tree_linenumbers;
         int local_time;
         int max_repo_count;
@@ -185,6 +188,7 @@ struct cgit_config {
         int max_lock_attempts;
         int max_msg_len;
         int max_repodesc_len;
+        int max_blob_size;
         int max_stats;
         int nocache;
         int noplainemail;
@@ -194,6 +198,7 @@ struct cgit_config {
         int summary_branches;
         int summary_log;
         int summary_tags;
+        int ssdiff;
         struct string_list mimetypes;
         struct cgit_filter *about_filter;
         struct cgit_filter *commit_filter;
@@ -110,6 +110,11 @@ enable-log-linecount::
         and removed lines for each commit on the repository log page. Default
         value: "0".
 
+enable-remote-branches::
+        Flag which, when set to "1", will make cgit display remote branches
+        in the summary and refs views. Default value: "0". See also:
+        "repo.enable-remote-branches".
+
 enable-tree-linenumbers::
         Flag which, when set to "1", will make cgit generate linenumber links
         for plaintext blobs printed in the tree view. Default value: "1".
@@ -177,6 +182,10 @@ max-repodesc-length::
         Specifies the maximum number of repo description characters to display
         on the repository index page. Default value: "80".
 
+max-blob-size::
+        Specifies the maximum size of a blob to display HTML for in KBytes.
+        Default value: "0" (limit disabled).
+
 max-stats::
         Set the default maximum statistics period. Valid values are "week",
         "month", "quarter" and "year". If unspecified, statistics are
@@ -241,6 +250,10 @@ section::
         after this option will inherit the current section name. Default value:
         none.
 
+side-by-side-diffs::
+        If set to "1" shows side-by-side diffs instead of unidiffs per
+        default. Default value: "0".
+
 snapshots::
         Text which specifies the default set of snapshot formats generated by
         cgit. The value is a space-separated list of zero or more of the
@@ -304,6 +317,10 @@ repo.enable-log-linecount::
         A flag which can be used to disable the global setting
         `enable-log-linecount'. Default value: none.
 
+repo.enable-remote-branches::
+        Flag which, when set to "1", will make cgit display remote branches
+        in the summary and refs views. Default value: <enable-remote-branches>.
+
 repo.max-stats::
         Override the default maximum statistics period. Valid values are equal
         to the values specified for the global "max-stats" setting. Default
@@ -3,6 +3,10 @@
 # tree-view by refering to this file with the source-filter or repo.source-
 # filter options in cgitrc.
 #
+# This script requires a shell supporting the ${var##pattern} syntax.
+# It is supported by at least dash and bash, however busybox environments
+# might have to use an external call to sed instead.
+#
 # Note: the highlight command (http://www.andre-simon.de/) uses css for syntax
 # highlighting, so you'll probably want something like the following included
 # in your css file (generated by highlight 2.4.8 and adapted for cgit):
@@ -20,20 +24,11 @@
 # table.blob .kwc  { color:#000000; font-weight:bold; }
 # table.blob .kwd  { color:#010181; }
 
-case "$1" in
-        *.c)
-                highlight -f -I -X -S c
-                ;;
-        *.h)
-                highlight -f -I -X -S c
-                ;;
-        *.sh)
-                highlight -f -I -X -S sh
-                ;;
-        *.css)
-                highlight -f -I -X -S css
-                ;;
-        *)
-                highlight -f -I -X -S txt
-                ;;
-esac
+# store filename and extension in local vars
+BASENAME="$1"
+EXTENSION="${BASENAME##*.}"
+
+# map Makefile and Makefile.* to .mk
+[ "${BASENAME%%.*}" == "Makefile" ] && EXTENSION=mk
+
+exec highlight --force -f -I -X -S $EXTENSION 2>/dev/null
-Subproject 7fb6bcff2dece2ff9fbc5ebfe526d9b2a7e764c
+Subproject e923eaeb901ff056421b9007adcbbce271caa7b
@@ -13,6 +13,32 @@
 #include <string.h>
 #include <errno.h>
 
+/* Percent-encoding of each character, except: a-zA-Z0-9!$()*,./:;@- */
+static const char* url_escape_table[256] = {
+        "%00", "%01", "%02", "%03", "%04", "%05", "%06", "%07", "%08", "%09",
+        "%0a", "%0b", "%0c", "%0d", "%0e", "%0f", "%10", "%11", "%12", "%13",
+        "%14", "%15", "%16", "%17", "%18", "%19", "%1a", "%1b", "%1c", "%1d",
+        "%1e", "%1f", "%20", 0, "%22", "%23", 0, "%25", "%26", "%27", 0, 0, 0,
+        "%2b", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%3c", "%3d",
+        "%3e", "%3f", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, "%5c", 0, "%5e", 0, "%60", 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%7b",
+        "%7c", "%7d", 0, "%7f", "%80", "%81", "%82", "%83", "%84", "%85",
+        "%86", "%87", "%88", "%89", "%8a", "%8b", "%8c", "%8d", "%8e", "%8f",
+        "%90", "%91", "%92", "%93", "%94", "%95", "%96", "%97", "%98", "%99",
+        "%9a", "%9b", "%9c", "%9d", "%9e", "%9f", "%a0", "%a1", "%a2", "%a3",
+        "%a4", "%a5", "%a6", "%a7", "%a8", "%a9", "%aa", "%ab", "%ac", "%ad",
+        "%ae", "%af", "%b0", "%b1", "%b2", "%b3", "%b4", "%b5", "%b6", "%b7",
+        "%b8", "%b9", "%ba", "%bb", "%bc", "%bd", "%be", "%bf", "%c0", "%c1",
+        "%c2", "%c3", "%c4", "%c5", "%c6", "%c7", "%c8", "%c9", "%ca", "%cb",
+        "%cc", "%cd", "%ce", "%cf", "%d0", "%d1", "%d2", "%d3", "%d4", "%d5",
+        "%d6", "%d7", "%d8", "%d9", "%da", "%db", "%dc", "%dd", "%de", "%df",
+        "%e0", "%e1", "%e2", "%e3", "%e4", "%e5", "%e6", "%e7", "%e8", "%e9",
+        "%ea", "%eb", "%ec", "%ed", "%ee", "%ef", "%f0", "%f1", "%f2", "%f3",
+        "%f4", "%f5", "%f6", "%f7", "%f8", "%f9", "%fa", "%fb", "%fc", "%fd",
+        "%fe", "%ff"
+};
+
 int htmlfd = STDOUT_FILENO;
 
 char *fmt(const char *format, ...)
@@ -63,9 +89,9 @@ void html_status(int code, const char *msg, int more_headers)
                 html("\n");
 }
 
-void html_txt(char *txt)
+void html_txt(const char *txt)
 {
-        char *t = txt;
+        const char *t = txt;
         while(t && *t){
                 int c = *t;
                 if (c=='<' || c=='>' || c=='&') {
@@ -84,9 +110,9 @@ void html_txt(char *txt)
                 html(txt);
 }
 
-void html_ntxt(int len, char *txt)
+void html_ntxt(int len, const char *txt)
 {
-        char *t = txt;
+        const char *t = txt;
         while(t && *t && len--){
                 int c = *t;
                 if (c=='<' || c=='>' || c=='&') {
@@ -107,9 +133,9 @@ void html_ntxt(int len, char *txt)
                 html("...");
 }
 
-void html_attr(char *txt)
+void html_attr(const char *txt)
 {
-        char *t = txt;
+        const char *t = txt;
         while(t && *t){
                 int c = *t;
                 if (c=='<' || c=='>' || c=='\'' || c=='\"') {
@@ -130,14 +156,15 @@ void html_attr(char *txt)
                 html(txt);
 }
 
-void html_url_path(char *txt)
+void html_url_path(const char *txt)
 {
-        char *t = txt;
+        const char *t = txt;
         while(t && *t){
                 int c = *t;
-                if (c=='"' || c=='#' || c=='\'' || c=='?') {
+                const char *e = url_escape_table[c];
+                if (e && c!='+' && c!='&' && c!='+') {
                         write(htmlfd, txt, t - txt);
-                        write(htmlfd, fmt("%%%2x", c), 3);
+                        write(htmlfd, e, 3);
                         txt = t+1;
                 }
                 t++;
@@ -146,14 +173,15 @@ void html_url_path(char *txt)
                 html(txt);
 }
 
-void html_url_arg(char *txt)
+void html_url_arg(const char *txt)
 {
-        char *t = txt;
+        const char *t = txt;
         while(t && *t){
                 int c = *t;
-                if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') {
+                const char *e = url_escape_table[c];
+                if (e) {
                         write(htmlfd, txt, t - txt);
-                        write(htmlfd, fmt("%%%2x", c), 3);
+                        write(htmlfd, e, 3);
                         txt = t+1;
                 }
                 t++;
@@ -162,7 +190,7 @@ void html_url_arg(char *txt)
                 html(txt);
 }
 
-void html_hidden(char *name, char *value)
+void html_hidden(const char *name, const char *value)
 {
         html("<input type='hidden' name='");
         html_attr(name);
@@ -171,7 +199,7 @@ void html_hidden(char *name, char *value)
         html("'/>");
 }
 
-void html_option(char *value, char *text, char *selected_value)
+void html_option(const char *value, const char *text, const char *selected_value)
 {
         html("<option value='");
         html_attr(value);
@@ -183,7 +211,7 @@ void html_option(char *value, char *text, char *selected_value)
         html("</option>\n");
 }
 
-void html_link_open(char *url, char *title, char *class)
+void html_link_open(const char *url, const char *title, const char *class)
 {
         html("<a href='");
         html_attr(url);
@@ -257,14 +285,14 @@ char *convert_query_hexchar(char *txt)
         }
 }
 
-int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value))
+int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value))
 {
-        char *t, *value = NULL, c;
+        char *t, *txt, *value = NULL, c;
 
-        if (!txt)
+        if (!txt_)
                 return 0;
 
-        t = txt = strdup(txt);
+        t = txt = strdup(txt_);
         if (t == NULL) {
                 printf("Out of memory\n");
                 exit(1);
@@ -7,18 +7,18 @@ extern void html_raw(const char *txt, size_t size);
 extern void html(const char *txt);
 extern void htmlf(const char *format,...);
 extern void html_status(int code, const char *msg, int more_headers);
-extern void html_txt(char *txt);
-extern void html_ntxt(int len, char *txt);
-extern void html_attr(char *txt);
-extern void html_url_path(char *txt);
-extern void html_url_arg(char *txt);
-extern void html_hidden(char *name, char *value);
-extern void html_option(char *value, char *text, char *selected_value);
-extern void html_link_open(char *url, char *title, char *class);
+extern void html_txt(const char *txt);
+extern void html_ntxt(int len, const char *txt);
+extern void html_attr(const char *txt);
+extern void html_url_path(const char *txt);
+extern void html_url_arg(const char *txt);
+extern void html_hidden(const char *name, const char *value);
+extern void html_option(const char *value, const char *text, const char *selected_value);
+extern void html_link_open(const char *url, const char *title, const char *class);
 extern void html_link_close(void);
 extern void html_fileperm(unsigned short mode);
 extern int html_include(const char *filename);
 
-extern int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value));
+extern int http_parse_querystring(const char *txt, void (*fn)(const char *name, const char *value));
 
 #endif /* HTML_H */
@@ -59,6 +59,7 @@ struct cgit_repo *cgit_add_repo(const char *url)
         ret->snapshots = ctx.cfg.snapshots;
         ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
         ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
+        ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
         ret->max_stats = ctx.cfg.max_stats;
         ret->module_link = ctx.cfg.module_link;
         ret->readme = NULL;
@@ -58,9 +58,14 @@ void cgit_print_commit(char *hex)
         html("</td></tr>\n");
         html("<tr><th>commit</th><td colspan='2' class='sha1'>");
         tmp = sha1_to_hex(commit->object.sha1);
-        cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp);
+        cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp, 0);
         html(" (");
         cgit_patch_link("patch", NULL, NULL, NULL, tmp);
+        html(") (");
+        if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
+                cgit_commit_link("unidiff", NULL, NULL, ctx.qry.head, tmp, 1);
+        else
+                cgit_commit_link("side-by-side diff", NULL, NULL, ctx.qry.head, tmp, 1);
         html(")</td></tr>\n");
         html("<tr><th>tree</th><td colspan='2' class='sha1'>");
         tmp = xstrdup(hex);
@@ -78,10 +83,10 @@ void cgit_print_commit(char *hex)
                 html("<tr><th>parent</th>"
                      "<td colspan='2' class='sha1'>");
                 cgit_commit_link(sha1_to_hex(p->item->object.sha1), NULL, NULL,
-                                 ctx.qry.head, sha1_to_hex(p->item->object.sha1));
+                                 ctx.qry.head, sha1_to_hex(p->item->object.sha1), 0);
                 html(" (");
                 cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
-                               sha1_to_hex(p->item->object.sha1), NULL);
+                               sha1_to_hex(p->item->object.sha1), NULL, 0);
                 html(")</td></tr>");
                 parents++;
         }
@@ -9,6 +9,7 @@
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
+#include "ui-ssdiff.h"
 
 unsigned char old_rev_sha1[20];
 unsigned char new_rev_sha1[20];
@@ -32,6 +33,7 @@ static struct fileinfo {
         int binary:1;
 } *items;
 
+static int use_ssdiff = 0;
 
 static void print_fileinfo(struct fileinfo *info)
 {
@@ -83,7 +85,7 @@ static void print_fileinfo(struct fileinfo *info)
         }
         htmlf("</td><td class='%s'>", class);
         cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-                       ctx.qry.sha2, info->new_path);
+                       ctx.qry.sha2, info->new_path, 0);
         if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
                 htmlf(" (%s from %s)",
                       info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
@@ -158,7 +160,7 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
 
         html("<div class='diffstat-header'>");
         cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-                       ctx.qry.sha2, NULL);
+                       ctx.qry.sha2, NULL, 0);
         html("</div>");
         html("<table summary='diffstat' class='diffstat'>");
         max_changes = 0;
@@ -246,26 +248,54 @@ static void header(unsigned char *sha1, char *path1, int mode1,
         html("</div>");
 }
 
+static void print_ssdiff_link()
+{
+        if (!strcmp(ctx.qry.page, "diff")) {
+                if (use_ssdiff)
+                        cgit_diff_link("Unidiff", NULL, NULL, ctx.qry.head,
+                                       ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1);
+                else
+                        cgit_diff_link("Side-by-side diff", NULL, NULL,
+                                       ctx.qry.head, ctx.qry.sha1,
+                                       ctx.qry.sha2, ctx.qry.path, 1);
+        }
+}
+
 static void filepair_cb(struct diff_filepair *pair)
 {
         unsigned long old_size = 0;
         unsigned long new_size = 0;
         int binary = 0;
+        linediff_fn print_line_fn = print_line;
 
+        if (use_ssdiff) {
+                cgit_ssdiff_header_begin();
+                print_line_fn = cgit_ssdiff_line_cb;
+        }
         header(pair->one->sha1, pair->one->path, pair->one->mode,
                pair->two->sha1, pair->two->path, pair->two->mode);
+        if (use_ssdiff)
+                cgit_ssdiff_header_end();
         if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
                 if (S_ISGITLINK(pair->one->mode))
-                        print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
+                        print_line_fn(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
                 if (S_ISGITLINK(pair->two->mode))
-                        print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
+                        print_line_fn(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
+                if (use_ssdiff)
+                        cgit_ssdiff_footer();
                 return;
         }
-        if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, 
-                            &new_size, &binary, print_line))
+        if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
+                            &new_size, &binary, print_line_fn))
                 cgit_print_error("Error running diff");
-        if (binary)
-                html("Binary files differ");
+        if (binary) {
+                if (use_ssdiff)
+                        html("<tr><td colspan='4'>Binary files differ</td></tr>");
+                else
+                        html("Binary files differ");
+        }
+        if (use_ssdiff)
+                cgit_ssdiff_footer();
 }
 
 void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
@@ -303,11 +333,21 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
                 if (!commit2 || parse_commit(commit2))
                         cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
         }
+
+        if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
+                use_ssdiff = 1;
+
+        print_ssdiff_link();
         cgit_print_diffstat(old_rev_sha1, new_rev_sha1);
 
-        html("<table summary='diff' class='diff'>");
-        html("<tr><td>");
+        if (use_ssdiff) {
+                html("<table summary='ssdiff' class='ssdiff'>");
+        } else {
+                html("<table summary='diff' class='diff'>");
+                html("<tr><td>");
+        }
         cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
-        html("</td></tr>");
+        if (!use_ssdiff)
+                html("</td></tr>");
         html("</table>");
 }
@@ -66,7 +66,7 @@ void show_commit_decorations(struct commit *commit)
                 else {
                         strncpy(buf, deco->name, sizeof(buf) - 1);
                         cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
-                                sha1_to_hex(commit->object.sha1));
+                                sha1_to_hex(commit->object.sha1), 0);
                 }
                 deco = deco->next;
         }
@@ -89,7 +89,7 @@ void print_commit(struct commit *commit)
         htmlf("</td><td%s>",
                 ctx.qry.showmsg ? " class='logsubject'" : "");
         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
-                         sha1_to_hex(commit->object.sha1));
+                         sha1_to_hex(commit->object.sha1), 0);
         show_commit_decorations(commit);
         html("</td><td>");
         html_txt(info->author);
@@ -74,7 +74,7 @@ static int print_branch(struct refinfo *ref)
         html("</td><td>");
 
         if (ref->object->type == OBJ_COMMIT) {
-                cgit_commit_link(info->subject, NULL, NULL, name, NULL);
+                cgit_commit_link(info->subject, NULL, NULL, name, NULL, 0);
                 html("</td><td>");
                 html_txt(info->author);
                 html("</td><td colspan='2'>");
@@ -187,6 +187,8 @@ void cgit_print_branches(int maxcount)
         list.refs = NULL;
         list.alloc = list.count = 0;
         for_each_branch_ref(cgit_refs_cb, &list);
+        if (ctx.repo->enable_remote_branches)
+                for_each_remote_ref(cgit_refs_cb, &list);
 
         if (maxcount == 0 || maxcount > list.count)
                 maxcount = list.count;
@@ -317,7 +317,7 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
 }
 
 void cgit_commit_link(char *name, char *title, char *class, char *head,
-                      char *rev)
+                      char *rev, int toggle_ssdiff)
 {
         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
                 name[ctx.cfg.max_msg_len] = '\0';
@@ -325,7 +325,23 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
                 name[ctx.cfg.max_msg_len - 2] = '.';
                 name[ctx.cfg.max_msg_len - 3] = '.';
         }
-        reporevlink("commit", name, title, class, head, rev, NULL);
+
+        char *delim;
+
+        delim = repolink(title, class, "commit", head, NULL);
+        if (rev && strcmp(rev, ctx.qry.head)) {
+                html(delim);
+                html("id=");
+                html_url_arg(rev);
+                delim = "&amp;";
+        }
+        if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+                html(delim);
+                html("ss=1");
+        }
+        html("'>");
+        html_txt(name);
+        html("</a>");
 }
 
 void cgit_refs_link(char *name, char *title, char *class, char *head,
@@ -341,7 +357,8 @@ void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 }
 
 void cgit_diff_link(char *name, char *title, char *class, char *head,
-                    char *new_rev, char *old_rev, char *path)
+                    char *new_rev, char *old_rev, char *path,
+                    int toggle_ssdiff)
 {
         char *delim;
 
@@ -356,6 +373,11 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
                 html(delim);
                 html("id2=");
                 html_url_arg(old_rev);
+                delim = "&amp;";
+        }
+        if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+                html(delim);
+                html("ss=1");
         }
         html("'>");
         html_txt(name);
@@ -383,7 +405,7 @@ void cgit_object_link(struct object *obj)
         shortrev[10] = '\0';
         if (obj->type == OBJ_COMMIT) {
                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
-                                 ctx.qry.head, fullrev);
+                                 ctx.qry.head, fullrev, 0);
                 return;
         } else if (obj->type == OBJ_TREE)
                 page = "tree";
@@ -695,9 +717,9 @@ void cgit_print_pageheader(struct cgit_context *ctx)
                 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
                                ctx->qry.sha1, NULL);
                 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
-                                 ctx->qry.head, ctx->qry.sha1);
+                                 ctx->qry.head, ctx->qry.sha1, 0);
                 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
-                               ctx->qry.sha1, ctx->qry.sha2, NULL);
+                               ctx->qry.sha1, ctx->qry.sha2, NULL, 0);
                 if (ctx->repo->max_stats)
                         cgit_stats_link("stats", NULL, hc(cmd, "stats"),
                                         ctx->qry.head, NULL);
@@ -760,13 +782,18 @@ void cgit_print_snapshot_links(const char *repo, const char *head,
                                const char *hex, int snapshots)
 {
         const struct cgit_snapshot_format* f;
+        char *prefix;
         char *filename;
+        unsigned char sha1[20];
 
+        if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
+            (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
+                hex++;
+        prefix = xstrdup(fmt("%s-%s", cgit_repobasename(repo), hex));
         for (f = cgit_snapshot_formats; f->suffix; f++) {
                 if (!(snapshots & f->bit))
                         continue;
-                filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
-                               f->suffix);
+                filename = fmt("%s%s", prefix, f->suffix);
                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
                 html("<br/>");
         }
@@ -23,7 +23,7 @@ extern void cgit_log_link(char *name, char *title, char *class, char *head,
                           char *rev, char *path, int ofs, char *grep,
                           char *pattern, int showmsg);
 extern void cgit_commit_link(char *name, char *title, char *class, char *head,
-                             char *rev);
+                             char *rev, int toggle_ssdiff);
 extern void cgit_patch_link(char *name, char *title, char *class, char *head,
                             char *rev);
 extern void cgit_refs_link(char *name, char *title, char *class, char *head,
@@ -31,7 +31,8 @@ extern void cgit_refs_link(char *name, char *title, char *class, char *head,
 extern void cgit_snapshot_link(char *name, char *title, char *class,
                                char *head, char *rev, char *archivename);
 extern void cgit_diff_link(char *name, char *title, char *class, char *head,
-                           char *new_rev, char *old_rev, char *path);
+                           char *new_rev, char *old_rev, char *path,
+                           int toggle_ssdiff);
 extern void cgit_stats_link(char *name, char *title, char *class, char *head,
                             char *path);
 extern void cgit_object_link(struct object *obj);
@@ -35,11 +35,17 @@ static int write_tar_bzip2_archive(struct archiver_args *args)
         return write_compressed_tar_archive(args,"bzip2");
 }
 
+static int write_tar_xz_archive(struct archiver_args *args)
+{
+        return write_compressed_tar_archive(args,"xz");
+}
+
 const struct cgit_snapshot_format cgit_snapshot_formats[] = {
-        { ".zip", "application/x-zip", write_zip_archive, 0x1 },
-        { ".tar.gz", "application/x-gzip", write_tar_gzip_archive, 0x2 },
-        { ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive, 0x4 },
-        { ".tar", "application/x-tar", write_tar_archive, 0x8 },
+        { ".zip", "application/x-zip", write_zip_archive, 0x01 },
+        { ".tar.gz", "application/x-gzip", write_tar_gzip_archive, 0x02 },
+        { ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive, 0x04 },
+        { ".tar", "application/x-tar", write_tar_archive, 0x08 },
+        { ".tar.xz", "application/x-xz", write_tar_xz_archive, 0x10 },
         {}
 };
 
@@ -0,0 +1,369 @@
+#include "cgit.h"
+#include "html.h"
+#include "ui-shared.h"
+
+extern int use_ssdiff;
+
+static int current_old_line, current_new_line;
+
+struct deferred_lines {
+        int line_no;
+        char *line;
+        struct deferred_lines *next;
+};
+
+static struct deferred_lines *deferred_old, *deferred_old_last;
+static struct deferred_lines *deferred_new, *deferred_new_last;
+
+static char *longest_common_subsequence(char *A, char *B)
+{
+        int i, j, ri;
+        int m = strlen(A);
+        int n = strlen(B);
+        int L[m + 1][n + 1];
+        int tmp1, tmp2;
+        int lcs_length;
+        char *result;
+
+        for (i = m; i >= 0; i--) {
+                for (j = n; j >= 0; j--) {
+                        if (A[i] == '\0' || B[j] == '\0') {
+                                L[i][j] = 0;
+                        } else if (A[i] == B[j]) {
+                                L[i][j] = 1 + L[i + 1][j + 1];
+                        } else {
+                                tmp1 = L[i + 1][j];
+                                tmp2 = L[i][j + 1];
+                                L[i][j] = (tmp1 > tmp2 ? tmp1 : tmp2);
+                        }
+                }
+        }
+
+        lcs_length = L[0][0];
+        result = xmalloc(lcs_length + 2);
+        memset(result, 0, sizeof(*result) * (lcs_length + 2));
+
+        ri = 0;
+        i = 0;
+        j = 0;
+        while (i < m && j < n) {
+                if (A[i] == B[j]) {
+                        result[ri] = A[i];
+                        ri += 1;
+                        i += 1;
+                        j += 1;
+                } else if (L[i + 1][j] >= L[i][j + 1]) {
+                        i += 1;
+                } else {
+                        j += 1;
+                }
+        }
+        return result;
+}
+
+static int line_from_hunk(char *line, char type)
+{
+        char *buf1, *buf2;
+        int len;
+
+        buf1 = strchr(line, type);
+        if (buf1 == NULL)
+                return 0;
+        buf1 += 1;
+        buf2 = strchr(buf1, ',');
+        if (buf2 == NULL)
+                return 0;
+        len = buf2 - buf1;
+        buf2 = xmalloc(len + 1);
+        strncpy(buf2, buf1, len);
+        buf2[len] = '\0';
+        int res = atoi(buf2);
+        free(buf2);
+        return res;
+}
+
+static char *replace_tabs(char *line)
+{
+        char *prev_buf = line;
+        char *cur_buf;
+        int linelen = strlen(line);
+        int n_tabs = 0;
+        int i;
+        char *result;
+        char *spaces = "        ";
+
+        if (linelen == 0) {
+                result = xmalloc(1);
+                result[0] = '\0';
+                return result;
+        }
+
+        for (i = 0; i < linelen; i++)
+                if (line[i] == '\t')
+                        n_tabs += 1;
+        result = xmalloc(linelen + n_tabs * 8 + 1);
+        result[0] = '\0';
+
+        while (1) {
+                cur_buf = strchr(prev_buf, '\t');
+                if (!cur_buf) {
+                        strcat(result, prev_buf);
+                        break;
+                } else {
+                        strcat(result, " ");
+                        strncat(result, spaces, 8 - (strlen(result) % 8));
+                        strncat(result, prev_buf, cur_buf - prev_buf);
+                }
+                prev_buf = cur_buf + 1;
+        }
+        return result;
+}
+
+static int calc_deferred_lines(struct deferred_lines *start)
+{
+        struct deferred_lines *item = start;
+        int result = 0;
+        while (item) {
+                result += 1;
+                item = item->next;
+        }
+        return result;
+}
+
+static void deferred_old_add(char *line, int line_no)
+{
+        struct deferred_lines *item = xmalloc(sizeof(struct deferred_lines));
+        item->line = xstrdup(line);
+        item->line_no = line_no;
+        item->next = NULL;
+        if (deferred_old) {
+                deferred_old_last->next = item;
+                deferred_old_last = item;
+        } else {
+                deferred_old = deferred_old_last = item;
+        }
+}
+
+static void deferred_new_add(char *line, int line_no)
+{
+        struct deferred_lines *item = xmalloc(sizeof(struct deferred_lines));
+        item->line = xstrdup(line);
+        item->line_no = line_no;
+        item->next = NULL;
+        if (deferred_new) {
+                deferred_new_last->next = item;
+                deferred_new_last = item;
+        } else {
+                deferred_new = deferred_new_last = item;
+        }
+}
+
+static void print_part_with_lcs(char *class, char *line, char *lcs)
+{
+        int line_len = strlen(line);
+        int i, j;
+        char c[2] = " ";
+        int same = 1;
+
+        j = 0;
+        for (i = 0; i < line_len; i++) {
+                c[0] = line[i];
+                if (same) {
+                        if (line[i] == lcs[j])
+                                j += 1;
+                        else {
+                                same = 0;
+                                htmlf("<span class='%s'>", class);
+                        }
+                } else if (line[i] == lcs[j]) {
+                        same = 1;
+                        htmlf("</span>");
+                        j += 1;
+                }
+                html_txt(c);
+        }
+}
+
+static void print_ssdiff_line(char *class,
+                              int old_line_no,
+                              char *old_line,
+                              int new_line_no,
+                              char *new_line, int individual_chars)
+{
+        char *lcs = NULL;
+        if (old_line)
+                old_line = replace_tabs(old_line + 1);
+        if (new_line)
+                new_line = replace_tabs(new_line + 1);
+        if (individual_chars && old_line && new_line)
+                lcs = longest_common_subsequence(old_line, new_line);
+        html("<tr>");
+        if (old_line_no > 0)
+                htmlf("<td class='lineno'>%d</td><td class='%s'>",
+                      old_line_no, class);
+        else if (old_line)
+                htmlf("<td class='lineno'></td><td class='%s'>", class);
+        else
+                htmlf("<td class='lineno'></td><td class='%s_dark'>", class);
+        if (old_line) {
+                if (lcs)
+                        print_part_with_lcs("del", old_line, lcs);
+                else
+                        html_txt(old_line);
+        }
+
+        html("</td>");
+        if (new_line_no > 0)
+                htmlf("<td class='lineno'>%d</td><td class='%s'>",
+                      new_line_no, class);
+        else if (new_line)
+                htmlf("<td class='lineno'></td><td class='%s'>", class);
+        else
+                htmlf("<td class='lineno'></td><td class='%s_dark'>", class);
+        if (new_line) {
+                if (lcs)
+                        print_part_with_lcs("add", new_line, lcs);
+                else
+                        html_txt(new_line);
+        }
+
+        html("</td></tr>");
+        if (lcs)
+                free(lcs);
+        if (new_line)
+                free(new_line);
+        if (old_line)
+                free(old_line);
+}
+
+static void print_deferred_old_lines()
+{
+        struct deferred_lines *iter_old, *tmp;
+        iter_old = deferred_old;
+        while (iter_old) {
+                print_ssdiff_line("del", iter_old->line_no,
+                                  iter_old->line, -1, NULL, 0);
+                tmp = iter_old->next;
+                free(iter_old);
+                iter_old = tmp;
+        }
+}
+
+static void print_deferred_new_lines()
+{
+        struct deferred_lines *iter_new, *tmp;
+        iter_new = deferred_new;
+        while (iter_new) {
+                print_ssdiff_line("add", -1, NULL,
+                                  iter_new->line_no, iter_new->line, 0);
+                tmp = iter_new->next;
+                free(iter_new);
+                iter_new = tmp;
+        }
+}
+
+static void print_deferred_changed_lines()
+{
+        struct deferred_lines *iter_old, *iter_new, *tmp;
+        int n_old_lines = calc_deferred_lines(deferred_old);
+        int n_new_lines = calc_deferred_lines(deferred_new);
+        int individual_chars = (n_old_lines == n_new_lines ? 1 : 0);
+
+        iter_old = deferred_old;
+        iter_new = deferred_new;
+        while (iter_old || iter_new) {
+                if (iter_old && iter_new)
+                        print_ssdiff_line("changed", iter_old->line_no,
+                                          iter_old->line,
+                                          iter_new->line_no, iter_new->line,
+                                          individual_chars);
+                else if (iter_old)
+                        print_ssdiff_line("changed", iter_old->line_no,
+                                          iter_old->line, -1, NULL, 0);
+                else if (iter_new)
+                        print_ssdiff_line("changed", -1, NULL,
+                                          iter_new->line_no, iter_new->line, 0);
+                if (iter_old) {
+                        tmp = iter_old->next;
+                        free(iter_old);
+                        iter_old = tmp;
+                }
+
+                if (iter_new) {
+                        tmp = iter_new->next;
+                        free(iter_new);
+                        iter_new = tmp;
+                }
+        }
+}
+
+void cgit_ssdiff_print_deferred_lines()
+{
+        if (!deferred_old && !deferred_new)
+                return;
+        if (deferred_old && !deferred_new)
+                print_deferred_old_lines();
+        else if (!deferred_old && deferred_new)
+                print_deferred_new_lines();
+        else
+                print_deferred_changed_lines();
+        deferred_old = deferred_old_last = NULL;
+        deferred_new = deferred_new_last = NULL;
+}
+
+/*
+ * print a single line returned from xdiff
+ */
+void cgit_ssdiff_line_cb(char *line, int len)
+{
+        char c = line[len - 1];
+        line[len - 1] = '\0';
+        if (line[0] == '@') {
+                current_old_line = line_from_hunk(line, '-');
+                current_new_line = line_from_hunk(line, '+');
+        }
+
+        if (line[0] == ' ') {
+                if (deferred_old || deferred_new)
+                        cgit_ssdiff_print_deferred_lines();
+                print_ssdiff_line("ctx", current_old_line, line,
+                                  current_new_line, line, 0);
+                current_old_line += 1;
+                current_new_line += 1;
+        } else if (line[0] == '+') {
+                deferred_new_add(line, current_new_line);
+                current_new_line += 1;
+        } else if (line[0] == '-') {
+                deferred_old_add(line, current_old_line);
+                current_old_line += 1;
+        } else if (line[0] == '@') {
+                html("<tr><td colspan='4' class='hunk'>");
+                html_txt(line);
+                html("</td></tr>");
+        } else {
+                html("<tr><td colspan='4' class='ctx'>");
+                html_txt(line);
+                html("</td></tr>");
+        }
+        line[len - 1] = c;
+}
+
+void cgit_ssdiff_header_begin()
+{
+        current_old_line = -1;
+        current_new_line = -1;
+        html("<tr><td class='space' colspan='4'><div></div></td></tr>");
+        html("<tr><td class='head' colspan='4'>");
+}
+
+void cgit_ssdiff_header_end()
+{
+        html("</td><tr>");
+}
+
+void cgit_ssdiff_footer()
+{
+        if (deferred_old || deferred_new)
+                cgit_ssdiff_print_deferred_lines();
+        html("<tr><td class='foot' colspan='4'></td></tr>");
+}
@@ -0,0 +1,13 @@
+#ifndef UI_SSDIFF_H
+#define UI_SSDIFF_H
+
+extern void cgit_ssdiff_print_deferred_lines();
+
+extern void cgit_ssdiff_line_cb(char *line, int len);
+
+extern void cgit_ssdiff_header_begin();
+extern void cgit_ssdiff_header_end();
+
+extern void cgit_ssdiff_footer();
+
+#endif /* UI_SSDIFF_H */
@@ -30,6 +30,14 @@ static void print_tag_content(char *buf)
         }
 }
 
+void print_download_links(char *revname)
+{
+        html("<tr><th>download</th><td class='sha1'>");
+        cgit_print_snapshot_links(ctx.qry.repo, ctx.qry.head,
+                                  revname, ctx.repo->snapshots);
+        html("</td></tr>");
+}
+
 void cgit_print_tag(char *revname)
 {
         unsigned char sha1[20];
@@ -56,16 +64,16 @@ void cgit_print_tag(char *revname)
                         return;
                 }
                 html("<table class='commit-info'>\n");
-                htmlf("<tr><td>Tag name</td><td>");
+                htmlf("<tr><td>tag name</td><td>");
                 html_txt(revname);
                 htmlf(" (%s)</td></tr>\n", sha1_to_hex(sha1));
                 if (info->tagger_date > 0) {
-                        html("<tr><td>Tag date</td><td>");
+                        html("<tr><td>tag date</td><td>");
                         cgit_print_date(info->tagger_date, FMT_LONGDATE, ctx.cfg.local_time);
                         html("</td></tr>\n");
                 }
                 if (info->tagger) {
-                        html("<tr><td>Tagged by</td><td>");
+                        html("<tr><td>tagged by</td><td>");
                         html_txt(info->tagger);
                         if (info->tagger_email && !ctx.cfg.noplainemail) {
                                 html(" ");
@@ -73,19 +81,23 @@ void cgit_print_tag(char *revname)
                         }
                         html("</td></tr>\n");
                 }
-                html("<tr><td>Tagged object</td><td>");
+                html("<tr><td>tagged object</td><td class='sha1'>");
                 cgit_object_link(tag->tagged);
                 html("</td></tr>\n");
+                if (ctx.repo->snapshots)
+                        print_download_links(revname);
                 html("</table>\n");
                 print_tag_content(info->msg);
         } else {
                 html("<table class='commit-info'>\n");
-                htmlf("<tr><td>Tag name</td><td>");
+                htmlf("<tr><td>tag name</td><td>");
                 html_txt(revname);
                 html("</td></tr>\n");
-                html("<tr><td>Tagged object</td><td>");
+                html("<tr><td>Tagged object</td><td class='sha1'>");
                 cgit_object_link(obj);
                 html("</td></tr>\n");
+                if (ctx.repo->snapshots)
+                        print_download_links(revname);
                 html("</table>\n");
         }
         return;
@@ -107,6 +107,12 @@ static void print_object(const unsigned char *sha1, char *path, const char *base
                         curr_rev, path);
         htmlf(")<br/>blob: %s\n", sha1_to_hex(sha1));
 
+        if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
+                htmlf("<div class='error'>blob size (%dKB) exceeds display size limit (%dKB).</div>",
+                                size / 1024, ctx.cfg.max_blob_size);
+                return;
+        }
+
         if (buffer_is_binary(buf, size))
                 print_binary_buffer(buf, size);
         else
@@ -169,6 +175,8 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
         if (ctx.repo->max_stats)
                 cgit_stats_link("stats", NULL, "button", ctx.qry.head,
                                 fullpath);
+        cgit_plain_link("plain", NULL, "button", ctx.qry.head, curr_rev,
+                        fullpath);
         html("</td></tr>\n");
         free(name);
         return 0;