X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/0c6e467aa6931ec6bd7720ecaea5e33aeca4d1be..0e224c76cc7c9a6b9d2f2bc50f592dea91edcb39:/IkiWiki/Wrapper.pm

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index 3f3e63ca6..4fe2d8111 100644
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -8,6 +8,26 @@ use File::Spec;
 use Data::Dumper;
 use IkiWiki;
 
+sub gen_wrappers () {
+	debug(gettext("generating wrappers.."));
+	my %origconfig=(%config);
+	foreach my $wrapper (@{$config{wrappers}}) {
+		%config=(%origconfig, %{$wrapper});
+		$config{verbose}=$config{setupverbose}
+			if exists $config{setupverbose};
+		$config{syslog}=$config{setupsyslog}
+			if exists $config{setupsyslog};
+		delete @config{qw(setupsyslog setupverbose wrappers genwrappers rebuild)};
+		checkconfig();
+		if (! $config{cgi} && ! $config{post_commit} &&
+		    ! $config{test_receive}) {
+			$config{post_commit}=1;
+		}
+		gen_wrapper();
+	}
+	%config=(%origconfig);
+}
+
 sub gen_wrapper () {
 	$config{srcdir}=File::Spec->rel2abs($config{srcdir});
 	$config{destdir}=File::Spec->rel2abs($config{destdir});
@@ -29,6 +49,7 @@ sub gen_wrapper () {
 	push @envsave, qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
 	               CONTENT_TYPE CONTENT_LENGTH GATEWAY_INTERFACE
 		       HTTP_COOKIE REMOTE_USER HTTPS REDIRECT_STATUS
+		       HTTP_HOST SERVER_PORT HTTPS
 		       REDIRECT_URL} if $config{cgi};
 	my $envsave="";
 	foreach my $var (@envsave) {
@@ -73,17 +94,23 @@ EOF
 		# otherwise. The fd of the lock is stored in
 		# IKIWIKI_CGILOCK_FD so unlockwiki can close it.
 		$pre_exec=<<"EOF";
-	{
-		int fd=open("$config{wikistatedir}/cgilock", O_CREAT | O_RDWR, 0666);
-		if (fd != -1 && flock(fd, LOCK_EX) == 0) {
-			char *fd_s=malloc(8);
-			sprintf(fd_s, "%i", fd);
-			setenv("IKIWIKI_CGILOCK_FD", fd_s, 1);
-		}
+	lockfd=open("$config{wikistatedir}/cgilock", O_CREAT | O_RDWR, 0666);
+	if (lockfd != -1 && flock(lockfd, LOCK_EX) == 0) {
+		char *fd_s=malloc(8);
+		sprintf(fd_s, "%i", lockfd);
+		setenv("IKIWIKI_CGILOCK_FD", fd_s, 1);
 	}
 EOF
 	}
 
+	my $set_background_command='';
+	if (defined $config{wrapper_background_command} &&
+	    length $config{wrapper_background_command}) {
+	    	my $background_command=delete $config{wrapper_background_command};
+		$set_background_command=~s/"/\\"/g;
+		$set_background_command='#define BACKGROUND_COMMAND "'.$background_command.'"';
+	}
+
 	$Data::Dumper::Indent=0; # no newlines
 	my $configstring=Data::Dumper->Dump([\%config], ['*config']);
 	$configstring=~s/\\/\\\\/g;
@@ -102,7 +129,7 @@ EOF
 #include <sys/file.h>
 
 extern char **environ;
-char *newenviron[$#envsave+6];
+char *newenviron[$#envsave+7];
 int i=0;
 
 void addenv(char *var, char *val) {
@@ -114,15 +141,18 @@ void addenv(char *var, char *val) {
 }
 
 int main (int argc, char **argv) {
+	int lockfd=-1;
 	char *s;
 
 $check_commit_hook
 @wrapper_hooks
 $envsave
 	newenviron[i++]="HOME=$ENV{HOME}";
+	newenviron[i++]="PATH=$ENV{PATH}";
 	newenviron[i++]="WRAPPED_OPTIONS=$configstring";
 
 #ifdef __TINYC__
+	/* old tcc versions do not support modifying environ directly */
 	if (clearenv() != 0) {
 		perror("clearenv");
 		exit(1);
@@ -146,9 +176,40 @@ $envsave
 	}
 
 $pre_exec
+
+$set_background_command
+#ifdef BACKGROUND_COMMAND
+	if (lockfd != -1) {
+		close(lockfd);
+	}
+
+	pid_t pid=fork();
+	if (pid == -1) {
+		perror("fork");
+		exit(1);
+	}
+	else if (pid == 0) {
+		execl("$this", "$this", NULL);
+		perror("exec $this");
+		exit(1);		
+	}
+	else {
+		waitpid(pid, NULL, 0);
+
+		if (daemon(1, 0) == 0) {
+			system(BACKGROUND_COMMAND);
+			exit(0);
+		}
+		else {
+			perror("daemon");
+			exit(1);
+		}
+	}
+#else
 	execl("$this", "$this", NULL);
 	perror("exec $this");
 	exit(1);
+#endif
 }
 EOF
 
@@ -176,8 +237,7 @@ EOF
 		error("rename $wrapper.new $wrapper: $!");
 	}
 	#translators: The parameter is a filename.
-	printf(gettext("successfully generated %s"), $wrapper);
-	print "\n";
+	debug(sprintf(gettext("successfully generated %s"), $wrapper));
 }
 
 1