add a tiny dump solver to quickly output a scenario

2 files changed, 57 insertions, 0 deletions

diff --git a/cmdline/apt-dump-solver.cc b/cmdline/apt-dump-solver.cc
new file mode 100644
index 000000000..5bcfe4f06
--- /dev/null
+++ b/cmdline/apt-dump-solver.cc
@@ -0,0 +1,50 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* #####################################################################
+
+   dummy solver to get quickly a scenario file out of APT
+
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <apt-pkg/edsp.h>
+
+#include <config.h>
+
+#include <cstdio>
+									/*}}}*/
+
+// ShowHelp - Show a help screen					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowHelp() {
+
+	std::cout <<
+		PACKAGE " " VERSION " for " COMMON_ARCH " compiled on " __DATE__ " " __TIME__ << std::endl <<
+		"Usage: apt-dump-resolver\n"
+		"\n"
+		"apt-dump-resolver is a dummy solver who just dumps its input to the\n"
+		"file /tmp/dump.edsp and exists with a proper EDSP error.\n"
+		"\n"
+		"                       This dump has lost Super Cow Powers.\n";
+	return true;
+}
+									/*}}}*/
+int main(int argc,const char *argv[])					/*{{{*/
+{
+	if (argc > 1 && (strcmp(argv[1], "--help") == 0 || strcmp(argv[1],"-h") == 0 ||
+	    strcmp(argv[1],"-v") == 0 || strcmp(argv[1],"--version") == 0)) {
+		ShowHelp();
+		return 0;
+	}
+
+	FILE* input = fdopen(STDIN_FILENO, "r");
+	FILE* output = fopen("/tmp/dump.edsp", "w");
+	char buffer[400];
+	while (fgets(buffer, sizeof(buffer), input) != NULL)
+		fputs(buffer, output);
+	fclose(output);
+	fclose(input);
+
+	EDSP::WriteError("I am too dumb, i can just dump!", stdout);
+}
diff --git a/cmdline/makefile b/cmdline/makefile
index 4462ccaf4..aea5d1db5 100644
--- a/cmdline/makefile
+++ b/cmdline/makefile
@@ -71,3 +71,10 @@ SLIBS = -lapt-pkg $(INTLLIBS)
 LIB_MAKES = apt-pkg/makefile
 SOURCE = apt-internal-solver.cc
 include $(PROGRAM_H)
+
+# The internal solver acting as an external
+PROGRAM=apt-dump-solver
+SLIBS = -lapt-pkg $(INTLLIBS)
+LIB_MAKES = apt-pkg/makefile
+SOURCE = apt-dump-solver.cc
+include $(PROGRAM_H)