1 files changed, 56 insertions, 0 deletions
diff --git a/bin/autobuild.c b/bin/autobuild.c
new file mode 100644
index 0000000..86d164c
--- /dev/null
+++ b/bin/autobuild.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 2014 Luke Shumaker <lukeshu@sbcglobal.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _GNU_SOURCE /* for unsetenv(3) */
+#include <alloca.h> /* for alloca(3) */
+#include <errno.h> /* for errno */
+#include <error.h> /* for error(3) */
+#include <pwd.h> /* for getpwuid(3) */
+#include <stdio.h> /* for printf(3) */
+#include <stdlib.h> /* for unsetenv(3) */
+#include <string.h> /* for strlen(3), strcpy(3) */
+#include <unistd.h> /* for dup2(3), geteuid(3), execl(3) */
+
+void
+usage(const char *cmd)
+{
+	printf("Usage: %s PACKAGE\n", cmd);
+	printf("This command should be run from the git directory of the package source.");
+}
+
+int
+main(int argc, char **argv)
+{
+	if (argc != 2) {
+		dup2(2,1);
+		usage(argv[0]);
+		return 1;
+	}
+
+	const char *home = getpwuid(geteuid())->pw_dir;
+	const char *script_suffix = "/bin/autobuild.sh";
+	char *script = alloca(strlen(home)+strlen(script_suffix));
+	strcpy(script, home);
+	strcpy(&(script[strlen(home)]), script_suffix);
+
+	unsetenv("IFS");
+	unsetenv("PATH");
+	unsetenv("LD_PRELOAD");
+	unsetenv("BASH_ENV");
+
+	execl(script, script, argv[1], NULL);
+	error(127, errno, "%s", script);
+}