From b25b64e526e281cd04719d8f0765b445241117e5 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Wed, 5 Sep 2007 13:27:02 +0000
Subject: - if you give nfs directory xxx, try to use xxx/ARCH - handle cdroms
 with and without ARCH at the root

and factorize the code into create_IMAGE_LOCATION()
---
 mdk-stage1/NEWS        |  3 +++
 mdk-stage1/cdrom.c     |  4 +++-
 mdk-stage1/directory.c |  5 +----
 mdk-stage1/tools.c     | 20 ++++++++++++++++++++
 mdk-stage1/tools.h     |  1 +
 5 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/mdk-stage1/NEWS b/mdk-stage1/NEWS
index 2623ea9cc..59396a3bc 100644
--- a/mdk-stage1/NEWS
+++ b/mdk-stage1/NEWS
@@ -1,3 +1,6 @@
+- if you give nfs directory xxx, try to use xxx/ARCH
+- handle cdroms with and without ARCH at the root
+
 1.15:
 - ask loading modules from /modules if needed
 - read modules description from /modules/modules.description
diff --git a/mdk-stage1/cdrom.c b/mdk-stage1/cdrom.c
index 65220c597..89e5ef8dd 100644
--- a/mdk-stage1/cdrom.c
+++ b/mdk-stage1/cdrom.c
@@ -44,7 +44,9 @@ static int mount_that_cd_device(char * dev_name)
 	snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
 
 	mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
-	symlink(MEDIA_LOCATION_REL "/" ARCH, IMAGE_LOCATION);
+
+	create_IMAGE_LOCATION(MEDIA_LOCATION);
+
 	return mount_result;
 }
 
diff --git a/mdk-stage1/directory.c b/mdk-stage1/directory.c
index 3c644f379..21d9fc1a1 100644
--- a/mdk-stage1/directory.c
+++ b/mdk-stage1/directory.c
@@ -141,10 +141,7 @@ enum return_type try_with_directory(char *directory, char *method_live, char *me
 		add_to_env("ISOPATH", location_full);
 		add_to_env("METHOD", method_iso);
 	} else {
-		int offset = strncmp(location_full, IMAGE_LOCATION_DIR, sizeof(IMAGE_LOCATION_DIR) - 1) == 0 ? sizeof(IMAGE_LOCATION_DIR) - 1 : 0;
-		log_message("assuming %s is a mirror tree", location_full + offset);
-
-		symlink(location_full + offset, IMAGE_LOCATION);
+		create_IMAGE_LOCATION(location_full);
 		add_to_env("METHOD", method_live);
 	}
 
diff --git a/mdk-stage1/tools.c b/mdk-stage1/tools.c
index 2909d2e60..6a024eedd 100644
--- a/mdk-stage1/tools.c
+++ b/mdk-stage1/tools.c
@@ -53,6 +53,26 @@ int image_has_stage2()
 	       access(IMAGE_LOCATION "/" LIVE_LOCATION_REL, R_OK) == 0;
 }
 
+enum return_type create_IMAGE_LOCATION(char *location_full)
+{
+	struct stat statbuf;
+	int offset = strncmp(location_full, IMAGE_LOCATION_DIR, sizeof(IMAGE_LOCATION_DIR) - 1) == 0 ? sizeof(IMAGE_LOCATION_DIR) - 1 : 0;
+	char *with_arch = asprintf_("%s/%s", location_full, ARCH);
+
+	log_message("trying %s", with_arch);
+
+	if (stat(with_arch, &statbuf) == 0 && S_ISDIR(statbuf.st_mode))
+		location_full = with_arch;
+
+	log_message("assuming %s is a mirror tree", location_full + offset);
+
+	unlink(IMAGE_LOCATION);
+	if (symlink(location_full + offset, IMAGE_LOCATION) != 0)
+		return RETURN_ERROR;
+
+	return RETURN_OK;
+}
+
 int ramdisk_possible(void)
 {
 	if (total_memory() > (IS_RESCUE ? MEM_LIMIT_RESCUE : MEM_LIMIT_DRAKX))
diff --git a/mdk-stage1/tools.h b/mdk-stage1/tools.h
index f8d9d4ee9..85ff42196 100644
--- a/mdk-stage1/tools.h
+++ b/mdk-stage1/tools.h
@@ -27,6 +27,7 @@
 #include "bootsplash.h"
 
 int image_has_stage2();
+enum return_type create_IMAGE_LOCATION(char *location_full);
 int ramdisk_possible(void);
 enum return_type copy_file(char * from, char * to, void (*callback_func)(int overall));
 enum return_type recursiveRemove(char *file);
-- 
cgit v1.2.1