installer: Enable new partitioning code to be run in unattended mode

The first disk of the system will automatically be used and
a standard installation will be done. After that is done, the
system will reboot into the freshly installed system and execute
setup.

config/syslinux/syslinux.cfg

@@ -58,7 +58,7 @@ Run an unattended installation.
 		ENDTEXT
 		KERNEL vmlinuz
 		INITRD instroot
-		APPEND unattended
+		APPEND installer.unattended
 MENU END
 
 MENU BEGIN tools

src/installer/hw.c

@@ -323,6 +323,27 @@ struct hw_disk** hw_select_disks(struct hw_disk** disks, int* selection) {
 	return ret;
 }
 
+struct hw_disk** hw_select_first_disk(const struct hw_disk** disks) {
+	struct hw_disk** ret = hw_create_disks();
+	struct hw_disk** selected_disks = ret;
+
+	unsigned int num_disks = hw_count_disks(disks);
+	assert(num_disks > 0);
+
+	for (unsigned int i = 0; i < num_disks; i++) {
+		struct hw_disk *disk = disks[i];
+		disk->ref++;
+
+		*selected_disks++ = disk;
+		break;
+	}
+
+	// Set sentinel
+	*selected_disks = NULL;
+
+	return ret;
+}
+
 static unsigned long long hw_swap_size(struct hw_destination* dest) {
 	unsigned long long memory = hw_memory();
 

src/installer/hw.h

@@ -109,6 +109,7 @@ struct hw_disk** hw_find_disks(struct hw* hw, const char* sourcedrive);
 void hw_free_disks(struct hw_disk** disks);
 unsigned int hw_count_disks(struct hw_disk** disks);
 struct hw_disk** hw_select_disks(struct hw_disk** disks, int* selection);
+struct hw_disk** hw_select_first_disk(const struct hw_disk** disks);
 
 struct hw_destination* hw_make_destination(int part_type, struct hw_disk** disks);
 

src/installer/main.c

@@ -281,17 +281,16 @@ int main(int argc, char *argv[]) {
 
 	snprintf(title, sizeof(title), "%s - %s", NAME, SLOGAN);
 
-	if (! (cmdfile = fopen("/proc/cmdline", "r")))
-	{
+	if (! (cmdfile = fopen("/proc/cmdline", "r"))) {
 		fprintf(flog, "Couldn't open commandline: /proc/cmdline\n");
 	} else {
 		fgets(line, STRING_SIZE, cmdfile);
-		
+
 		// check if we have to make an unattended install
-		if (strstr (line, "unattended") != NULL) {
+		if (strstr(line, "installer.unattended") != NULL) {
+		    splashWindow(title, _("Warning: Unattended installation will start in 10 seconds..."), 10);
 		    unattended = 1;
-		    runcommandwithstatus("/bin/sleep 10", title, "WARNING: Unattended installation will start in 10 seconds...", NULL);
-		}		
+		}
 		// check if we have to patch for serial console
 		if (strstr (line, "console=ttyS0") != NULL) {
 		    serialconsole = 1;
@@ -314,7 +313,7 @@ int main(int argc, char *argv[]) {
 		}
 		langnames[NUM_LANGS] = NULL;
 
-	    rc = newtWinMenu(_("Language selection"), _("Select the language you wish to use for the installation."),
+		rc = newtWinMenu(_("Language selection"), _("Select the language you wish to use for the installation."),
 			50, 5, 5, 8, langnames, &choice, _("OK"), NULL);
 
 		assert(choice <= NUM_LANGS);
@@ -406,8 +405,10 @@ int main(int argc, char *argv[]) {
 			goto EXIT;
 
 		// exactly one disk has been found
-		} else if (num_disks == 1) {
-			selected_disks = hw_select_disks(disks, NULL);
+		// or if we are running in unattended mode, we will select
+		// the first disk and go with that one
+		} else if ((num_disks == 1) || (unattended && num_disks >= 1)) {
+			selected_disks = hw_select_first_disk(disks);
 
 		// more than one usable disk has been found and
 		// the user needs to choose what to do with them
@@ -442,6 +443,11 @@ int main(int argc, char *argv[]) {
 			}
 		}
 
+		// Don't print the auto-selected harddisk setup in
+		// unattended mode.
+		if (unattended)
+			break;
+
 		num_selected_disks = hw_count_disks(selected_disks);
 
 		if (num_selected_disks == 1) {

src/libsmooth/libsmooth.h

@@ -52,6 +52,7 @@ int runcommandwithprogress(int width, int height, const char *title, const char
 	int lines, char *text, ...);
 int runcommandwithstatus(const char *command, const char* title, const char *message, const char* output);
 int runhiddencommandwithstatus(const char *command, const char* title, const char *message, const char* output);
+int splashWindow(const char* title, const char* message, unsigned int timeout);
 int checkformodule(const char *module); 
 int replace(char filename1[], char *from, char *to);
 char* get_version(void);

src/libsmooth/main.c

@@ -90,6 +90,16 @@ int runhiddencommandwithstatus(const char *command, const char* title, const cha
 	return rc;
 }
 
+int splashWindow(const char* title, const char* message, unsigned int timeout) {
+	statuswindow(60, 4, title, message);
+
+	// Wait so the user can read this message
+	sleep(timeout);
+	newtPopWindow();
+
+	return 0;
+}
+
 /* This one borrowed from redhat installer. */
 int runcommandwithprogress(int width, int height, const char *title, const char *command,
 	int lines, char *text, ...) {