7 files changed, 27 insertions, 16 deletions

diff --git a/.gitignore b/.gitignore
index c4c9ac3..5664962 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 # Files I don't care to see in git-status/commit
 cgit
+VERSION
 *.o
 *~
diff --git a/Makefile b/Makefile
index c2a5736..e69ad7e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,87 +1,94 @@
-CGIT_VERSION = 0.5
-
 prefix = /var/www/htdocs/cgit
-
 SHA1_HEADER = <openssl/sha.h>
 CACHE_ROOT = /var/cache/cgit
 CGIT_CONFIG = /etc/cgitrc
 CGIT_SCRIPT_NAME = cgit.cgi
 
 #
 # Let the user override the above settings.
 #
 -include cgit.conf
 
+
+CGIT_VERSION = 0.5
+
+all: cgit
+
+VERSION:
+        gen-version.sh
+
+-include VERSION
+
+
 EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
 OBJECTS = shared.o cache.o parsing.o html.o ui-shared.o ui-repolist.o \
         ui-summary.o ui-log.o ui-tree.o ui-commit.o ui-diff.o \
         ui-snapshot.o ui-blob.o
 
 CFLAGS += -Wall
 
 ifdef DEBUG
         CFLAGS += -g
 endif
 
 CFLAGS += -Igit
 CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
 CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
 CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
 CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
 
 
 #
 # If make is run on a nongit platform, get the git sources as a tarball.
 #
 GITVER = $(shell git version 2>/dev/null || echo nogit)
 ifeq ($(GITVER),nogit)
 GITURL = http://www.kernel.org/pub/software/scm/git/git-1.5.2.tar.bz2
 INITGIT = test -e git/git.c || ((curl "$(GITURL)" | tar -xj) && mv git-1.5.2 git)
 else
 INITGIT = ./submodules.sh -i
 endif
 
 
-#
-# basic build rules
-#
-all: cgit
-
-cgit: cgit.c cgit.h $(OBJECTS)
+cgit: cgit.c cgit.h VERSION $(OBJECTS)
         $(CC) $(CFLAGS) cgit.c -o cgit $(OBJECTS) $(EXTLIBS)
 
 $(OBJECTS): cgit.h git/libgit.a
 
 git/libgit.a:
         $(INITGIT)
         $(MAKE) -C git
 
 #
 # phony targets
 #
 install: all clean-cache
         mkdir -p $(prefix)
         install cgit $(prefix)/$(CGIT_SCRIPT_NAME)
         install cgit.css $(prefix)/cgit.css
 
 clean-cgit:
-        rm -f cgit *.o
+        rm -f cgit VERSION *.o
 
 distclean-cgit: clean-cgit
         git clean -d -x
 
 clean-sub:
         $(MAKE) -C git clean
 
 distclean-sub: clean-sub
         $(shell cd git && git clean -d -x)
 
 clean-cache:
         rm -rf $(CACHE_ROOT)/*
 
 clean: clean-cgit clean-sub
 
 distclean: distclean-cgit distclean-sub
 
+version: clean-cgit
+        ./gen-version.sh
+        make
+
 .PHONY: all install clean clean-cgit clean-sub clean-cache \
-        distclean distclean-cgit distclean-sub
+        distclean distclean-cgit distclean-sub release version
diff --git a/cgit.c b/cgit.c
index 3fc90bf..11dff76 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,77 +1,74 @@
 /* cgit.c: cgi for the git scm
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
-const char cgit_version[] = CGIT_VERSION;
-
-
 static int cgit_prepare_cache(struct cacheitem *item)
 {
         if (!cgit_repo && cgit_query_repo) {
                 char *title = fmt("%s - %s", cgit_root_title, "Bad request");
                 cgit_print_docstart(title, item);
                 cgit_print_pageheader(title, 0);
                 cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo));
                 cgit_print_docend();
                 return 0;
         }
 
         if (!cgit_repo) {
                 item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
                 item->ttl = cgit_cache_root_ttl;
                 return 1;
         }
 
         if (!cgit_cmd) {
                 item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root,
                            cache_safe_filename(cgit_repo->url)));
                 item->ttl = cgit_cache_repo_ttl;
         } else {
                 item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
                            cache_safe_filename(cgit_repo->url), cgit_query_page,
                            cache_safe_filename(cgit_querystring)));
                 if (cgit_query_has_symref)
                         item->ttl = cgit_cache_dynamic_ttl;
                 else if (cgit_query_has_sha1)
                         item->ttl = cgit_cache_static_ttl;
                 else
                         item->ttl = cgit_cache_repo_ttl;
         }
         return 1;
 }
 
 static void cgit_print_repo_page(struct cacheitem *item)
 {
         char *title;
         int show_search;
 
         if (!cgit_query_head)
                 cgit_query_head = cgit_repo->defbranch;
 
         if (chdir(cgit_repo->path)) {
                 title = fmt("%s - %s", cgit_root_title, "Bad request");
                 cgit_print_docstart(title, item);
                 cgit_print_pageheader(title, 0);
                 cgit_print_error(fmt("Unable to scan repository: %s",
                                      strerror(errno)));
                 cgit_print_docend();
                 return;
         }
 
         title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
         show_search = 0;
         setenv("GIT_DIR", cgit_repo->path, 1);
 
         if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
                 cgit_print_snapshot(item, cgit_query_sha1, "zip",
                                     cgit_repo->url, cgit_query_name);
                 return;
         }
 
         if (cgit_cmd == CMD_BLOB) {
diff --git a/cgit.h b/cgit.h
index bd2dd0d..9558362 100644
--- a/cgit.h
+++ b/cgit.h
@@ -37,129 +37,129 @@
 
 
 /*
  * Limits used for relative dates
  */
 #define TM_MIN    60
 #define TM_HOUR  (TM_MIN * 60)
 #define TM_DAY   (TM_HOUR * 24)
 #define TM_WEEK  (TM_DAY * 7)
 #define TM_YEAR  (TM_DAY * 365)
 #define TM_MONTH (TM_YEAR / 12.0)
 
 
 typedef void (*configfn)(const char *name, const char *value);
 typedef void (*filepair_fn)(struct diff_filepair *pair);
 typedef void (*linediff_fn)(char *line, int len);
 
 struct cacheitem {
         char *name;
         struct stat st;
         int ttl;
         int fd;
 };
 
 struct repoinfo {
         char *url;
         char *name;
         char *path;
         char *desc;
         char *owner;
         char *defbranch;
         char *group;
         char *module_link;
         char *readme;
         int snapshots;
         int enable_log_filecount;
         int enable_log_linecount;
 };
 
 struct repolist {
         int length;
         int count;
         struct repoinfo *repos;
 };
 
 struct commitinfo {
         struct commit *commit;
         char *author;
         char *author_email;
         unsigned long author_date;
         char *committer;
         char *committer_email;
         unsigned long committer_date;
         char *subject;
         char *msg;
 };
 
 struct taginfo {
         char *tagger;
         char *tagger_email;
         int tagger_date;
         char *msg;
 };
 
-extern const char cgit_version[];
+extern const char *cgit_version;
 
 extern struct repolist cgit_repolist;
 extern struct repoinfo *cgit_repo;
 extern int cgit_cmd;
 
 extern char *cgit_root_title;
 extern char *cgit_css;
 extern char *cgit_logo;
 extern char *cgit_index_header;
 extern char *cgit_logo_link;
 extern char *cgit_module_link;
 extern char *cgit_agefile;
 extern char *cgit_virtual_root;
 extern char *cgit_script_name;
 extern char *cgit_cache_root;
 extern char *cgit_repo_group;
 
 extern int cgit_nocache;
 extern int cgit_snapshots;
 extern int cgit_enable_log_filecount;
 extern int cgit_enable_log_linecount;
 extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
 extern int cgit_cache_dynamic_ttl;
 extern int cgit_cache_static_ttl;
 extern int cgit_cache_max_create_time;
 extern int cgit_summary_log;
 
 extern int cgit_max_msg_len;
 extern int cgit_max_repodesc_len;
 extern int cgit_max_commit_count;
 
 extern int cgit_query_has_symref;
 extern int cgit_query_has_sha1;
 
 extern char *cgit_querystring;
 extern char *cgit_query_repo;
 extern char *cgit_query_page;
 extern char *cgit_query_search;
 extern char *cgit_query_head;
 extern char *cgit_query_sha1;
 extern char *cgit_query_sha2;
 extern char *cgit_query_path;
 extern char *cgit_query_name;
 extern int   cgit_query_ofs;
 
 extern int htmlfd;
 
 extern int cgit_get_cmd_index(const char *cmd);
 extern struct repoinfo *cgit_get_repoinfo(const char *url);
 extern void cgit_global_config_cb(const char *name, const char *value);
 extern void cgit_repo_config_cb(const char *name, const char *value);
 extern void cgit_querystring_cb(const char *name, const char *value);
 
 extern int chk_zero(int result, char *msg);
 extern int chk_positive(int result, char *msg);
 
 extern int hextoint(char c);
 
 extern void *cgit_free_commitinfo(struct commitinfo *info);
 
 extern int cgit_diff_files(const unsigned char *old_sha1,
                            const unsigned char *new_sha1,
diff --git a/gen-version.sh b/gen-version.sh
new file mode 100755
index 0000000..4c60f60
--- a/dev/null
+++ b/gen-version.sh
@@ -0,0 +1,4 @@
+v=$(git-describe --abbrev=4 HEAD | sed -e 's/-/./g')
+test -z "$v" && exit 1
+echo "CGIT_VERSION = $v"
+echo "CGIT_VERSION = $v" > VERSION
diff --git a/shared.c b/shared.c
index f20fb5c..f7f43b2 100644
--- a/shared.c
+++ b/shared.c
@@ -1,78 +1,80 @@
 /* shared.c: global vars + some callback functions
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 struct repolist cgit_repolist;
 struct repoinfo *cgit_repo;
 int cgit_cmd;
 
+const char *cgit_version = CGIT_VERSION;
+
 char *cgit_root_title   = "Git repository browser";
 char *cgit_css          = "/cgit.css";
 char *cgit_logo         = "/git-logo.png";
 char *cgit_index_header = NULL;
 char *cgit_logo_link    = "http://www.kernel.org/pub/software/scm/git/docs/";
 char *cgit_module_link  = "./?repo=%s&page=commit&id=%s";
 char *cgit_agefile      = "info/web/last-modified";
 char *cgit_virtual_root = NULL;
 char *cgit_script_name  = CGIT_SCRIPT_NAME;
 char *cgit_cache_root   = "/var/cache/cgit";
 char *cgit_repo_group   = NULL;
 
 int cgit_nocache               =  0;
 int cgit_snapshots             =  0;
 int cgit_enable_log_filecount  =  0;
 int cgit_enable_log_linecount  =  0;
 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
 int cgit_cache_dynamic_ttl     =  5;
 int cgit_cache_static_ttl      = -1;
 int cgit_cache_max_create_time =  5;
 int cgit_summary_log           =  0;
 
 int cgit_max_msg_len = 60;
 int cgit_max_repodesc_len = 60;
 int cgit_max_commit_count = 50;
 
 int cgit_query_has_symref = 0;
 int cgit_query_has_sha1   = 0;
 
 char *cgit_querystring  = NULL;
 char *cgit_query_repo   = NULL;
 char *cgit_query_page   = NULL;
 char *cgit_query_head   = NULL;
 char *cgit_query_search = NULL;
 char *cgit_query_sha1   = NULL;
 char *cgit_query_sha2   = NULL;
 char *cgit_query_path   = NULL;
 char *cgit_query_name   = NULL;
 int   cgit_query_ofs    = 0;
 
 int htmlfd = 0;
 
 
 int cgit_get_cmd_index(const char *cmd)
 {
         static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
                                "snapshot", NULL};
         int i;
 
         for(i = 0; cmds[i]; i++)
                 if (!strcmp(cmd, cmds[i]))
                         return i + 1;
         return 0;
 }
 
 int chk_zero(int result, char *msg)
 {
         if (result != 0)
                 die("%s: %s", msg, strerror(errno));
         return result;
 }
 
diff --git a/ui-shared.c b/ui-shared.c
index 15d8254..110c696 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -201,129 +201,129 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
 void cgit_print_date(time_t secs, char *format)
 {
         char buf[64];
         struct tm *time;
 
         time = gmtime(&secs);
         strftime(buf, sizeof(buf)-1, format, time);
         html_txt(buf);
 }
 
 void cgit_print_age(time_t t, time_t max_relative, char *format)
 {
         time_t now, secs;
 
         time(&now);
         secs = now - t;
 
         if (secs > max_relative && max_relative >= 0) {
                 cgit_print_date(t, format);
                 return;
         }
 
         if (secs < TM_HOUR * 2) {
                 htmlf("<span class='age-mins'>%.0f min.</span>",
                       secs * 1.0 / TM_MIN);
                 return;
         }
         if (secs < TM_DAY * 2) {
                 htmlf("<span class='age-hours'>%.0f hours</span>",
                       secs * 1.0 / TM_HOUR);
                 return;
         }
         if (secs < TM_WEEK * 2) {
                 htmlf("<span class='age-days'>%.0f days</span>",
                       secs * 1.0 / TM_DAY);
                 return;
         }
         if (secs < TM_MONTH * 2) {
                 htmlf("<span class='age-weeks'>%.0f weeks</span>",
                       secs * 1.0 / TM_WEEK);
                 return;
         }
         if (secs < TM_YEAR * 2) {
                 htmlf("<span class='age-months'>%.0f months</span>",
                       secs * 1.0 / TM_MONTH);
                 return;
         }
         htmlf("<span class='age-years'>%.0f years</span>",
               secs * 1.0 / TM_YEAR);
 }
 
 void cgit_print_docstart(char *title, struct cacheitem *item)
 {
         html("Content-Type: text/html; charset=utf-8\n");
         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
                                          ttl_seconds(item->ttl)));
         html("\n");
         html(cgit_doctype);
         html("<html>\n");
         html("<head>\n");
         html("<title>");
         html_txt(title);
         html("</title>\n");
-        htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
+        htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
         html("<link rel='stylesheet' type='text/css' href='");
         html_attr(cgit_css);
         html("'/>\n");
         html("</head>\n");
         html("<body>\n");
 }
 
 void cgit_print_docend()
 {
         html("</td></tr></table>");
         html("</body>\n</html>\n");
 }
 
 void cgit_print_pageheader(char *title, int show_search)
 {
         html("<table id='layout'>");
         html("<tr><td id='header'>");
         html(cgit_root_title);
         html("</td><td id='logo'>");
         html("<a href='");
         html_attr(cgit_logo_link);
         htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
         html("</td></tr>");
         html("<tr><td id='crumb'>");
         htmlf("<a href='%s'>root</a>", cgit_rooturl());
         if (cgit_query_repo) {
                 htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
                 html_txt(cgit_repo->name);
                 htmlf("</a> : %s", title);
         }
         html("</td>");
         html("<td id='search'>");
         if (show_search) {
                 html("<form method='get' action='");
                 html_attr(cgit_currurl());
                 html("'>");
                 if (!cgit_virtual_root) {
                         if (cgit_query_repo)
                                 html_hidden("r", cgit_query_repo);
                         if (cgit_query_page)
                                 html_hidden("p", cgit_query_page);
                 }
                 if (cgit_query_head)
                         html_hidden("h", cgit_query_head);
                 if (cgit_query_sha1)
                         html_hidden("id", cgit_query_sha1);
                 if (cgit_query_sha2)
                         html_hidden("id2", cgit_query_sha2);
                 html("<input type='text' name='q' value='");
                 html_attr(cgit_query_search);
                 html("'/></form>");
         }
         html("</td></tr>");
         html("<tr><td id='content' colspan='2'>");
 }
 
 void cgit_print_snapshot_start(const char *mimetype, const char *filename,
                                struct cacheitem *item)
 {
         htmlf("Content-Type: %s\n", mimetype);
         htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
                                          ttl_seconds(item->ttl)));