Don't hardcode urls when SCRIPT_NAME is available

Also, let the makefile define the name of the installed cgi and
use that definition as a default value for cgit_script_name variable.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

5 files changed, 9 insertions, 4 deletions

diff --git a/Makefile b/Makefile
index 3d8edb8..96d68cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,39 +1,41 @@
 CGIT_VERSION = 0.4
 
 prefix = /var/www/htdocs/cgit
 
 SHA1_HEADER = <openssl/sha.h>
 CACHE_ROOT = /var/cache/cgit
 CGIT_CONFIG = /etc/cgitrc
+CGIT_SCRIPT_NAME = cgit.cgi
 
 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-view.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, we need to get the git sources as a tarball.
 # But there is currently no recent enough tarball available on kernel.org, so download
 # a zipfile from hjemli.net instead
 #
 GITVER = $(shell git version 2>/dev/null || echo nogit)
 ifeq ($(GITVER),nogit)
 GITURL = http://hjemli.net/git/git/snapshot/?id=v1.5.2-rc2
 INITGIT = test -e git/git.c || (curl "$(GITURL)" > tmp.zip && unzip tmp.zip)
 else
 INITGIT = ./submodules.sh -i
 endif
 
 
@@ -43,33 +45,33 @@ endif
 all: cgit
 
 cgit: cgit.c cgit.h $(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.cgi
+	install cgit $(prefix)/$(CGIT_SCRIPT_NAME)
 	install cgit.css $(prefix)/cgit.css
 	install add.png del.png $(prefix)/
 
 clean-cgit:
 	rm -f cgit *.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:
diff --git a/cgit.c b/cgit.c
index 67ad103..3c11ff0 100644
--- a/cgit.c
+++ b/cgit.c
@@ -231,30 +231,32 @@ static void cgit_parse_args(int argc, const char **argv)
 			cgit_query_ofs = atoi(argv[i]+6);
 		}
 	}
 }
 
 int main(int argc, const char **argv)
 {
 	struct cacheitem item;
 
 	htmlfd = STDOUT_FILENO;
 	item.st.st_mtime = time(NULL);
 	cgit_repolist.length = 0;
 	cgit_repolist.count = 0;
 	cgit_repolist.repos = NULL;
 
 	cgit_read_config(CGIT_CONFIG, cgit_global_config_cb);
+	if (getenv("SCRIPT_NAME"))
+		cgit_script_name = xstrdup(getenv("SCRIPT_NAME"));
 	if (getenv("QUERY_STRING"))
 		cgit_querystring = xstrdup(getenv("QUERY_STRING"));
 	cgit_parse_args(argc, argv);
 	cgit_parse_query(cgit_querystring, cgit_querystring_cb);
 	if (!cgit_prepare_cache(&item))
 		return 0;
 	if (cgit_nocache) {
 		cgit_fill_cache(&item, 0);
 	} else {
 		cgit_check_cache(&item);
 		cgit_print_cache(&item);
 	}
 	return 0;
 }
diff --git a/cgit.h b/cgit.h
index 0fff7b0..f5906ad 100644
--- a/cgit.h
+++ b/cgit.h
@@ -62,32 +62,33 @@ struct taginfo {
 	char *tagger_email;
 	int tagger_date;
 	char *msg;
 };
 
 extern const char cgit_version[];
 
 extern struct repolist cgit_repolist;
 extern struct repoinfo *cgit_repo;
 
 extern char *cgit_root_title;
 extern char *cgit_css;
 extern char *cgit_logo;
 extern char *cgit_logo_link;
 extern char *cgit_module_link;
 extern char *cgit_virtual_root;
+extern char *cgit_script_name;
 extern char *cgit_cache_root;
 
 extern int cgit_nocache;
 extern int cgit_snapshots;
 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_max_msg_len;
 extern int cgit_max_commit_count;
 
 extern char *cgit_repo_name;
 extern char *cgit_repo_desc;
diff --git a/shared.c b/shared.c
index 072bb6d..8505397 100644
--- a/shared.c
+++ b/shared.c
@@ -4,33 +4,33 @@
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 struct repolist cgit_repolist;
 struct repoinfo *cgit_repo;
 
 char *cgit_root_title   = "Git repository browser";
 char *cgit_css          = "/cgit.css";
 char *cgit_logo         = "/git-logo.png";
 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_virtual_root = NULL;
-
+char *cgit_script_name  = CGIT_SCRIPT_NAME;
 char *cgit_cache_root   = "/var/cache/cgit";
 
 int cgit_nocache               =  0;
 int cgit_snapshots             =  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_max_msg_len = 60;
 int cgit_max_commit_count = 50;
 
 char *cgit_repo_name    = NULL;
 char *cgit_repo_desc    = NULL;
diff --git a/ui-shared.c b/ui-shared.c
index 6f5cf2b..b0cff7d 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -32,59 +32,59 @@ static long ttl_seconds(long ttl)
 	else
 		return ttl * 60;
 }
 
 void cgit_print_error(char *msg)
 {
 	html("<div class='error'>");
 	html_txt(msg);
 	html("</div>\n");
 }
 
 char *cgit_rooturl()
 {
 	if (cgit_virtual_root)
 		return fmt("%s/", cgit_virtual_root);
 	else
-		return "./cgit.cgi";
+		return cgit_script_name;
 }
 
 char *cgit_repourl(const char *reponame)
 {
 	if (cgit_virtual_root) {
 		return fmt("%s/%s/", cgit_virtual_root, reponame);
 	} else {
 		return fmt("?r=%s", reponame);
 	}
 }
 
 char *cgit_pageurl(const char *reponame, const char *pagename,
 		   const char *query)
 {
 	if (cgit_virtual_root) {
 		return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
 			   pagename, query);
 	} else {
 		return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
 	}
 }
 
 char *cgit_currurl()
 {
 	if (!cgit_virtual_root)
-		return "./cgit.cgi";
+		return cgit_script_name;
 	else if (cgit_query_page)
 		return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
 	else if (cgit_query_repo)
 		return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
 	else
 		return fmt("%s/", cgit_virtual_root);
 }
 
 
 void cgit_print_date(unsigned long secs)
 {
 	char buf[32];
 	struct tm *time;
 
 	time = gmtime(&secs);
 	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);