36 files changed, 1613 insertions, 337 deletions

diff --git a/Makefile b/Makefile
index 2dae3ac..dda743d 100644
--- a/Makefile
+++ b/Makefile
@@ -11,8 +11,16 @@ 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).
 #
+# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
+# do not support the 'size specifiers' introduced by C99, namely ll, hh,
+# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
+# some C compilers supported these specifiers prior to C99 as an extension.
+#
 
 #-include config.mak
 
@@ -68,7 +76,7 @@ endif
 	$(QUIET_CC)$(CC) -o $*.o -c $(CFLAGS) $<
 
 
-EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto -lpthread
+EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lpthread
 OBJECTS =
 OBJECTS += cache.o
 OBJECTS += cgit.o
@@ -90,6 +98,7 @@ 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
@@ -123,17 +132,28 @@ endif
 ifdef NO_STRCASESTR
 	CFLAGS += -DNO_STRCASESTR
 endif
+ifdef NO_C99_FORMAT
+	CFLAGS += -DNO_C99_FORMAT
+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)
 
 cgit.o: VERSION
 
--include $(OBJECTS:.o=.d)
+ifneq "$(MAKECMDGOALS)" "clean"
+  -include $(OBJECTS:.o=.d)
+endif
 
 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
diff --git a/cache.h b/cache.h
index ac9276b..5cfdb4f 100644
--- a/cache.h
+++ b/cache.h
@@ -30,6 +30,7 @@ extern int cache_process(int size, const char *path, const char *key, int ttl,
 extern int cache_ls(const char *path);
 
 /* Print a message to stdout */
+__attribute__((format (printf,1,2)))
 extern void cache_log(const char *format, ...);
 
 extern unsigned long hash_str(const char *str);
diff --git a/cgit.c b/cgit.c
index ad62d10..96900bb 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,6 +1,7 @@
 /* cgit.c: cgi for the git scm
  *
  * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -60,6 +61,10 @@ 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, "enable-subject-links"))
+		repo->enable_subject_links = atoi(value);
 	else if (!strcmp(name, "max-stats"))
 		repo->max_stats = cgit_find_stats_period(value, NULL);
 	else if (!strcmp(name, "module-link"))
@@ -67,10 +72,7 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
 	else if (!strcmp(name, "section"))
 		repo->section = xstrdup(value);
 	else if (!strcmp(name, "readme") && value != NULL) {
-		if (*value == '/')
-			repo->readme = xstrdup(value);
-		else
-			repo->readme = xstrdup(fmt("%s/%s", repo->path, value));
+		repo->readme = xstrdup(value);
 	} else if (ctx.cfg.enable_filter_overrides) {
 		if (!strcmp(name, "about-filter"))
 			repo->about_filter = new_filter(value, 0);
@@ -91,6 +93,8 @@ void config_cb(const char *name, const char *value)
 		ctx.repo->path = trim_end(value, '/');
 	else if (ctx.repo && !prefixcmp(name, "repo."))
 		repo_config(ctx.repo, name + 5, value);
+	else if (!strcmp(name, "readme"))
+		ctx.cfg.readme = xstrdup(value);
 	else if (!strcmp(name, "root-title"))
 		ctx.cfg.root_title = xstrdup(value);
 	else if (!strcmp(name, "root-desc"))
@@ -131,12 +135,18 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
 	else if (!strcmp(name, "enable-filter-overrides"))
 		ctx.cfg.enable_filter_overrides = atoi(value);
+	else if (!strcmp(name, "enable-gitweb-owner"))
+		ctx.cfg.enable_gitweb_owner = atoi(value);
 	else if (!strcmp(name, "enable-index-links"))
 		ctx.cfg.enable_index_links = atoi(value);
 	else if (!strcmp(name, "enable-log-filecount"))
 		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-subject-links"))
+		ctx.cfg.enable_subject_links = atoi(value);
 	else if (!strcmp(name, "enable-tree-linenumbers"))
 		ctx.cfg.enable_tree_linenumbers = atoi(value);
 	else if (!strcmp(name, "max-stats"))
@@ -144,7 +154,7 @@ void config_cb(const char *name, const char *value)
 	else if (!strcmp(name, "cache-size"))
 		ctx.cfg.cache_size = atoi(value);
 	else if (!strcmp(name, "cache-root"))
-		ctx.cfg.cache_root = xstrdup(value);
+		ctx.cfg.cache_root = xstrdup(expand_macros(value));
 	else if (!strcmp(name, "cache-root-ttl"))
 		ctx.cfg.cache_root_ttl = atoi(value);
 	else if (!strcmp(name, "cache-repo-ttl"))
@@ -161,19 +171,30 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.commit_filter = new_filter(value, 0);
 	else if (!strcmp(name, "embedded"))
 		ctx.cfg.embedded = atoi(value);
+	else if (!strcmp(name, "max-atom-items"))
+		ctx.cfg.max_atom_items = atoi(value);
 	else if (!strcmp(name, "max-message-length"))
 		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"))
 		ctx.cfg.max_commit_count = atoi(value);
+	else if (!strcmp(name, "project-list"))
+		ctx.cfg.project_list = xstrdup(expand_macros(value));
 	else if (!strcmp(name, "scan-path"))
 		if (!ctx.cfg.nocache && ctx.cfg.cache_size)
-			process_cached_repolist(value);
+			process_cached_repolist(expand_macros(value));
+		else if (ctx.cfg.project_list)
+			scan_projects(expand_macros(value),
+				      ctx.cfg.project_list, repo_config);
 		else
-			scan_tree(value, repo_config);
+			scan_tree(expand_macros(value), repo_config);
+	else if (!strcmp(name, "section-from-path"))
+		ctx.cfg.section_from_path = atoi(value);
 	else if (!strcmp(name, "source-filter"))
 		ctx.cfg.source_filter = new_filter(value, 1);
 	else if (!strcmp(name, "summary-log"))
@@ -182,10 +203,14 @@ 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"))
 		ctx.cfg.renamelimit = atoi(value);
+	else if (!strcmp(name, "remove-suffix"))
+		ctx.cfg.remove_suffix = atoi(value);
 	else if (!strcmp(name, "robots"))
 		ctx.cfg.robots = xstrdup(value);
 	else if (!strcmp(name, "clone-prefix"))
@@ -195,7 +220,7 @@ void config_cb(const char *name, const char *value)
 	else if (!prefixcmp(name, "mimetype."))
 		add_mimetype(name + 9, value);
 	else if (!strcmp(name, "include"))
-		parse_configfile(value, config_cb);
+		parse_configfile(expand_macros(value), config_cb);
 }
 
 static void querystring_cb(const char *name, const char *value)
@@ -209,6 +234,8 @@ 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 +265,14 @@ 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);
+	} else if (!strcmp(name, "all")) {
+		ctx.qry.show_all = atoi(value);
+	} else if (!strcmp(name, "context")) {
+		ctx.qry.context = atoi(value);
+	} else if (!strcmp(name, "ignorews")) {
+		ctx.qry.ignorews = atoi(value);
 	}
 }
 
@@ -262,15 +297,19 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.css = "/cgit.css";
 	ctx->cfg.logo = "/cgit.png";
 	ctx->cfg.local_time = 0;
+	ctx->cfg.enable_gitweb_owner = 1;
 	ctx->cfg.enable_tree_linenumbers = 1;
 	ctx->cfg.max_repo_count = 50;
 	ctx->cfg.max_commit_count = 50;
 	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.project_list = NULL;
 	ctx->cfg.renamelimit = -1;
+	ctx->cfg.remove_suffix = 0;
 	ctx->cfg.robots = "index, nofollow";
 	ctx->cfg.root_title = "Git repository browser";
 	ctx->cfg.root_desc = "a fast webinterface for the git dscm";
@@ -279,6 +318,8 @@ 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.max_atom_items = 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"));
@@ -410,6 +451,12 @@ static void process_request(void *cbdata)
 		return;
 	}
 
+	/* If cmd->want_vpath is set, assume ctx->qry.path contains a "virtual"
+	 * in-project path limit to be made available at ctx->qry.vpath.
+	 * Otherwise, no path limit is in effect (ctx->qry.vpath = NULL).
+	 */
+	ctx->qry.vpath = cmd->want_vpath ? ctx->qry.path : NULL;
+
 	if (cmd->want_repo && !ctx->repo) {
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
@@ -541,7 +588,10 @@ static int generate_cached_repolist(const char *path, const char *cached_rc)
 		return errno;
 	}
 	idx = cgit_repolist.count;
-	scan_tree(path, repo_config);
+	if (ctx.cfg.project_list)
+		scan_projects(path, ctx.cfg.project_list, repo_config);
+	else
+		scan_tree(path, repo_config);
 	print_repolist(f, &cgit_repolist, idx);
 	if (rename(locked_rc, cached_rc))
 		fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n",
@@ -555,17 +605,25 @@ static void process_cached_repolist(const char *path)
 	struct stat st;
 	char *cached_rc;
 	time_t age;
+	unsigned long hash;
 
-	cached_rc = xstrdup(fmt("%s/rc-%8x", ctx.cfg.cache_root,
-		hash_str(path)));
+	hash = hash_str(path);
+	if (ctx.cfg.project_list)
+		hash += hash_str(ctx.cfg.project_list);
+	cached_rc = xstrdup(fmt("%s/rc-%8lx", ctx.cfg.cache_root, hash));
 
 	if (stat(cached_rc, &st)) {
 		/* Nothing is cached, we need to scan without forking. And
 		 * if we fail to generate a cached repolist, we need to
 		 * invoke scan_tree manually.
 		 */
-		if (generate_cached_repolist(path, cached_rc))
-			scan_tree(path, repo_config);
+		if (generate_cached_repolist(path, cached_rc)) {
+			if (ctx.cfg.project_list)
+				scan_projects(path, ctx.cfg.project_list,
+					      repo_config);
+			else
+				scan_tree(path, repo_config);
+		}
 		return;
 	}
 
@@ -674,7 +732,7 @@ int main(int argc, const char **argv)
 	cgit_repolist.repos = NULL;
 
 	cgit_parse_args(argc, argv);
-	parse_configfile(ctx.env.cgit_config, config_cb);
+	parse_configfile(expand_macros(ctx.env.cgit_config), config_cb);
 	ctx.repo = NULL;
 	http_parse_querystring(ctx.qry.raw, querystring_cb);
 
diff --git a/cgit.css b/cgit.css
index c47ebc9..0c88b65 100644
--- a/cgit.css
+++ b/cgit.css
@@ -64,7 +64,7 @@ table#header td.sub {
 }
 
 table.tabs {
-	/* border-bottom: solid 2px #ccc; */
+	border-bottom: solid 3px #ccc;
 	border-collapse: collapse;
 	margin-top: 2em;
 	margin-bottom: 0px;
@@ -102,10 +102,16 @@ table.tabs td.form select {
 	font-size: 90%;
 }
 
+div.path {
+	margin: 0px;
+	padding: 5px 2em 2px 2em;
+	color: #000;
+	background-color: #eee;
+}
+
 div.content {
 	margin: 0px;
 	padding: 2em;
-	border-top: solid 3px #ccc;
 	border-bottom: solid 3px #ccc;
 }
 
@@ -158,10 +164,26 @@ table.list td.logmsg {
 	padding: 1em 0.5em 2em 0.5em;
 }
 
+table.list td.lognotes-label {
+	text-align:right;
+	vertical-align:top;
+}
+
+table.list td.lognotes {
+	font-family: monospace;
+	white-space: pre;
+	padding: 0em 0.5em 2em 0.5em;
+}
+
 table.list td a {
 	color: black;
 }
 
+table.list td a.ls-dir {
+	font-weight: bold;
+	color: #00f;
+}
+
 table.list td a:hover {
 	color: #00f;
 }
@@ -315,6 +337,24 @@ div.commit-msg {
 	font-family: monospace;
 }
 
+div.notes-header {
+	font-weight: bold;
+	padding-top: 1.5em;
+}
+
+div.notes {
+	white-space: pre;
+	font-family: monospace;
+	border: solid 1px #ee9;
+	background-color: #ffd;
+	padding: 0.3em 2em 0.3em 1em;
+	float: left;
+}
+
+div.notes-footer {
+	clear: left;
+}
+
 div.diffstat-header {
 	font-weight: bold;
 	padding-top: 1.5em;
@@ -520,7 +560,10 @@ a.deco {
 	border: solid 1px #770000;
 }
 
-div.commit-subject a {
+div.commit-subject a.branch-deco,
+div.commit-subject a.tag-deco,
+div.commit-subject a.remote-deco,
+div.commit-subject a.deco {
 	margin-left: 1em;
 	font-size: 75%;
 }
@@ -601,3 +644,102 @@ 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
diff --git a/cgit.h b/cgit.h
index 6c6c460..8f5dd2a 100644
--- a/cgit.h
+++ b/cgit.h
@@ -19,6 +19,7 @@
 #include <xdiff-interface.h>
 #include <xdiff/xdiff.h>
 #include <utf8.h>
+#include <notes.h>
 
 
 /*
@@ -72,6 +73,8 @@ struct cgit_repo {
 	int snapshots;
 	int enable_log_filecount;
 	int enable_log_linecount;
+	int enable_remote_branches;
+	int enable_subject_links;
 	int max_stats;
 	time_t mtime;
 	struct cgit_filter *about_filter;
@@ -143,6 +146,11 @@ struct cgit_query {
 	int nohead;
 	char *sort;
 	int showmsg;
+	int ssdiff;
+	int show_all;
+	int context;
+	int ignorews;
+	char *vpath;
 };
 
 struct cgit_config {
@@ -159,6 +167,8 @@ struct cgit_config {
 	char *logo;
 	char *logo_link;
 	char *module_link;
+	char *project_list;
+	char *readme;
 	char *robots;
 	char *root_title;
 	char *root_desc;
@@ -175,25 +185,33 @@ struct cgit_config {
 	int cache_static_ttl;
 	int embedded;
 	int enable_filter_overrides;
+	int enable_gitweb_owner;
 	int enable_index_links;
 	int enable_log_filecount;
 	int enable_log_linecount;
+	int enable_remote_branches;
+	int enable_subject_links;
 	int enable_tree_linenumbers;
 	int local_time;
+	int max_atom_items;
 	int max_repo_count;
 	int max_commit_count;
 	int max_lock_attempts;
 	int max_msg_len;
 	int max_repodesc_len;
+	int max_blob_size;
 	int max_stats;
 	int nocache;
 	int noplainemail;
 	int noheader;
 	int renamelimit;
+	int remove_suffix;
+	int section_from_path;
 	int snapshots;
 	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;
@@ -268,14 +286,16 @@ extern void *cgit_free_commitinfo(struct commitinfo *info);
 extern int cgit_diff_files(const unsigned char *old_sha1,
 			   const unsigned char *new_sha1,
 			   unsigned long *old_size, unsigned long *new_size,
-			   int *binary, linediff_fn fn);
+			   int *binary, int context, int ignorews,
+			   linediff_fn fn);
 
 extern void cgit_diff_tree(const unsigned char *old_sha1,
 			   const unsigned char *new_sha1,
-			   filepair_fn fn, const char *prefix);
+			   filepair_fn fn, const char *prefix, int ignorews);
 
 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
 
+__attribute__((format (printf,1,2)))
 extern char *fmt(const char *format,...);
 
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
@@ -291,4 +311,6 @@ extern int cgit_close_filter(struct cgit_filter *filter);
 
 extern int readfile(const char *path, char **buf, size_t *size);
 
+extern char *expand_macros(const char *txt);
+
 #endif /* CGIT_H */
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 0c13485..ce78d41 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -95,6 +95,11 @@ enable-filter-overrides::
 	Flag which, when set to "1", allows all filter settings to be
 	overridden in repository-specific cgitrc files. Default value: none.
 
+enable-gitweb-owner::
+	If set to "1" and scan-path is enabled, we first check each repository
+	for the git config value "gitweb.owner" to determine the owner.
+	Default value: "1". See also: scan-path.
+
 enable-index-links::
 	Flag which, when set to "1", will make cgit generate extra links for
 	each repo in the repository index (specifically, to the "summary",
@@ -110,6 +115,17 @@ 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-subject-links::
+	Flag which, when set to "1", will make cgit use the subject of the
+	parent commit as link text when generating links to parent commits
+	in commit view. Default value: "0". See also:
+	"repo.enable-subject-links".
+
 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".
@@ -161,6 +177,10 @@ logo-link::
 	calculated url of the repository index page will be used. Default
 	value: none.
 
+max-atom-items::
+	Specifies the number of items to display in atom feeds view. Default
+	value: "10".
+
 max-commit-count::
 	Specifies the number of entries to list per page in "log" view. Default
 	value: "50".
@@ -177,6 +197,10 @@ 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
@@ -205,6 +229,20 @@ noheader::
 	Flag which, when set to "1", will make cgit omit the standard header
 	on all pages. Default value: none. See also: "embedded".
 
+project-list::
+	A list of subdirectories inside of scan-path, relative to it, that
+	should loaded as git repositories. This must be defined prior to
+	scan-path. Default value: none. See also: scan-path.
+
+readme::
+	Text which will be used as default value for "repo.readme". Default
+	value: none.
+
+remove-suffix::
+	If set to "1" and scan-path is enabled, if any repositories are found
+	with a suffix of ".git", this suffix will be removed for the url and
+	name. Default value: "0". See also: scan-path.
+
 renamelimit::
 	Maximum number of files to consider when detecting renames. The value
 	 "-1" uses the compiletime value in git (for further info, look at
@@ -234,13 +272,26 @@ root-title::
 scan-path::
 	A path which will be scanned for repositories. If caching is enabled,
 	the result will be cached as a cgitrc include-file in the cache
-	directory. Default value: none. See also: cache-scanrc-ttl.
+	directory. If project-list has been defined prior to scan-path,
+	scan-path loads only the directories listed in the file pointed to by
+	project-list. Default value: none. See also: cache-scanrc-ttl,
+	project-list.
 
 section::
 	The name of the current repository section - all repositories defined
 	after this option will inherit the current section name. Default value:
 	none.
 
+section-from-path::
+	A number which, if specified before scan-path, specifies how many
+	path elements from each repo path to use as a default section name.
+	If negative, cgit will discard the specified number of path elements
+	above the repo directory. Default value: 0.
+
+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 +355,14 @@ 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.enable-subject-links::
+	A flag which can be used to override the global setting
+	`enable-subject-links'. Default value: none.
+
 repo.max-stats::
 	Override the default maximum statistics period. Valid values are equal
 	to the values specified for the global "max-stats" setting. Default
@@ -322,7 +381,9 @@ repo.path::
 
 repo.readme::
 	A path (relative to <repo.path>) which specifies a file to include
-	verbatim as the "About" page for this repo. Default value: none.
+	verbatim as the "About" page for this repo. You may also specify a
+	git refspec by head or by hash by prepending the refspec followed by
+	a colon. For example, "master:docs/readme.mkd" Default value: <readme>.
 
 repo.snapshots::
 	A mask of allowed snapshot-formats for this repo, restricted by the
@@ -413,7 +474,7 @@ snapshots=tar.gz tar.bz2 zip
 ## List of common mimetypes
 ##
 
-mimetype.git=image/git
+mimetype.gif=image/gif
 mimetype.html=text/html
 mimetype.jpg=image/jpeg
 mimetype.jpeg=image/jpeg
@@ -499,3 +560,4 @@ will generate the following html element:
 AUTHOR
 ------
 Lars Hjemli <hjemli@gmail.com>
+Jason A. Donenfeld <Jason@zx2c4.com>
diff --git a/cmd.c b/cmd.c
index 766f903..6dc9f5e 100644
--- a/cmd.c
+++ b/cmd.c
@@ -33,7 +33,7 @@ static void HEAD_fn(struct cgit_context *ctx)
 
 static void atom_fn(struct cgit_context *ctx)
 {
-	cgit_print_atom(ctx->qry.head, ctx->qry.path, 10);
+	cgit_print_atom(ctx->qry.head, ctx->qry.path, ctx->cfg.max_atom_items);
 }
 
 static void about_fn(struct cgit_context *ctx)
@@ -51,7 +51,7 @@ static void blob_fn(struct cgit_context *ctx)
 
 static void commit_fn(struct cgit_context *ctx)
 {
-	cgit_print_commit(ctx->qry.sha1);
+	cgit_print_commit(ctx->qry.sha1, ctx->qry.path);
 }
 
 static void diff_fn(struct cgit_context *ctx)
@@ -90,7 +90,7 @@ static void repolist_fn(struct cgit_context *ctx)
 
 static void patch_fn(struct cgit_context *ctx)
 {
-	cgit_print_patch(ctx->qry.sha1);
+	cgit_print_patch(ctx->qry.sha1, ctx->qry.path);
 }
 
 static void plain_fn(struct cgit_context *ctx)
@@ -129,31 +129,31 @@ static void tree_fn(struct cgit_context *ctx)
 	cgit_print_tree(ctx->qry.sha1, ctx->qry.path);
 }
 
-#define def_cmd(name, want_repo, want_layout) \
-	{#name, name##_fn, want_repo, want_layout}
+#define def_cmd(name, want_repo, want_layout, want_vpath) \
+	{#name, name##_fn, want_repo, want_layout, want_vpath}
 
 struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx)
 {
 	static struct cgit_cmd cmds[] = {
-		def_cmd(HEAD, 1, 0),
-		def_cmd(atom, 1, 0),
-		def_cmd(about, 0, 1),
-		def_cmd(blob, 1, 0),
-		def_cmd(commit, 1, 1),
-		def_cmd(diff, 1, 1),
-		def_cmd(info, 1, 0),
-		def_cmd(log, 1, 1),
-		def_cmd(ls_cache, 0, 0),
-		def_cmd(objects, 1, 0),
-		def_cmd(patch, 1, 0),
-		def_cmd(plain, 1, 0),
-		def_cmd(refs, 1, 1),
-		def_cmd(repolist, 0, 0),
-		def_cmd(snapshot, 1, 0),
-		def_cmd(stats, 1, 1),
-		def_cmd(summary, 1, 1),
-		def_cmd(tag, 1, 1),
-		def_cmd(tree, 1, 1),
+		def_cmd(HEAD, 1, 0, 0),
+		def_cmd(atom, 1, 0, 0),
+		def_cmd(about, 0, 1, 0),
+		def_cmd(blob, 1, 0, 0),
+		def_cmd(commit, 1, 1, 1),
+		def_cmd(diff, 1, 1, 1),
+		def_cmd(info, 1, 0, 0),
+		def_cmd(log, 1, 1, 1),
+		def_cmd(ls_cache, 0, 0, 0),
+		def_cmd(objects, 1, 0, 0),
+		def_cmd(patch, 1, 0, 1),
+		def_cmd(plain, 1, 0, 0),
+		def_cmd(refs, 1, 1, 0),
+		def_cmd(repolist, 0, 0, 0),