From 392e855ceae3fc17584761c79a8d0e5616ed088f Mon Sep 17 00:00:00 2001
From: Dieter Plaetinck <dieter@plaetinck.be>
Date: Tue, 11 Nov 2008 21:31:00 +0100
Subject: first version of new "dependency" checking and tracking (flow
 control) in core/interactive + better nextitem setting + tmp_fstab fix

---
 src/core/libs/lib-ui-interactive.sh | 17 ++++++++++++++++-
 src/core/procedures/base            |  4 +---
 src/core/procedures/interactive     | 22 +++++++++++++---------
 3 files changed, 30 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/core/libs/lib-ui-interactive.sh b/src/core/libs/lib-ui-interactive.sh
index 123415a..9dc9a93 100644
--- a/src/core/libs/lib-ui-interactive.sh
+++ b/src/core/libs/lib-ui-interactive.sh
@@ -1,6 +1,21 @@
 #!/bin/sh
 #TODO: get backend code out of here!!
 
+
+# check if a worker has completed successfully. if not -> tell user he must do it + return 1
+# if ok -> don't warn anything and return 0
+check_depend ()
+{
+	[ -z "$1" -o -z "$2" ] && die_error "Use the check_depend function like this: check_depend <type> <name> with type=phase/worker"
+	[ "$1" != phase -a "$1" != worker ] && die_error "check_depend's first argument must be a valid type (phase/worker)"
+
+	object=$1_$2
+	exit_var=exit_$object
+	[ "${!exit_var}" = '0' ] && return 0
+	show_warning "Cannot Continue.  Going back to $2" "You must do $2 first before going here!." && return 1
+}
+
+
 interactive_partition() {
     target_umountall
 
@@ -289,7 +304,7 @@ EOF
 
 interactive_mountpoints() {
     while [ "$PARTFINISH" != "DONE" ]; do
-        : >/$TMP_FSTAB
+        : >$TMP_FSTAB
         : >/tmp/.parts
 
         # Determine which filesystems are available
diff --git a/src/core/procedures/base b/src/core/procedures/base
index 09c8bd8..9d31441 100644
--- a/src/core/procedures/base
+++ b/src/core/procedures/base
@@ -99,9 +99,7 @@ worker_install_packages ()
 
 worker_auto_fstab ()
 {
-	if [ "$S_MKFS" = "1" -o "$S_MKFSAUTO" = "1" ]; then
-		target_configure_fstab
-	fi
+	target_configure_fstab
 }
 
 
diff --git a/src/core/procedures/interactive b/src/core/procedures/interactive
index 93aade4..b71049b 100644
--- a/src/core/procedures/interactive
+++ b/src/core/procedures/interactive
@@ -27,7 +27,10 @@ start_process ()
 	#####################
 	## begin execution ##
 
-	# install stages #TODO: now that exit states of all workers are maintained by the execute function, we can probably simplify this
+	#TODO: implement check_depend everywhere
+	#TODO: now that exit states of all workers are maintained by the execute function, we can get rid of this special flow control
+
+	# install stages
 	S_SRC=0         # choose install medium
 	S_NET=0         # network configuration
 	S_CLOCK=0       # clock and timezone
@@ -90,19 +93,19 @@ mainmenu()
 		fi
 		[ $ret -eq 0 ] && S_SRC=1 && execute worker runtime_packages ;;
         "1")
-            execute worker set_clock && S_CLOCK=1 ;;
+            execute worker set_clock && S_CLOCK=1 && NEXTITEM=2;;
         "2")
-            execute worker prepare_disks ;; # stage set vars set in the worker #TODO: when this is done, default next item is clock?
+            execute worker prepare_disks && NEXTITEM=3;; # stage set vars set in the worker
         "3")
-            execute worker package_list && S_SELECT=1 ;;
+            check_depend worker prepare_disks && execute worker package_list && S_SELECT=1 && NEXTITEM=4 ;;
         "4")
-            execute worker install_packages && S_INSTALL=1 && { execute worker auto_fstab; execute worker auto_network; execute worker auto_locale; } ;; #TODO: next item is again install packages
+            check_depend worker package_list && execute worker install_packages && S_INSTALL=1 && { execute worker auto_fstab; execute worker auto_network; execute worker auto_locale; } && NEXITITEM=5 ;; 
         "5")
-            execute worker configure_system && S_CONFIG=1 && { execute worker mkinitcpio; execute worker locales; } ;;
+            check_depend worker install_packages && execute worker configure_system && S_CONFIG=1 && { execute worker mkinitcpio; execute worker locales; } && NEXTITEM=6 ;;
         "6")
-		 execute worker install_bootloader && S_BOOT=1 ;;
+		 execute worker install_bootloader && S_BOOT=1 && NEXTITEM=7 ;;
         "7")
-            notify "If the install finished successfully, you can now type 'reboot' to restart the system." &&  stop_installer ;;
+            notify "If the install finished successfully, you can now type 'reboot' to restart the system." && stop_installer ;;
         *)
             ask_yesno "Abort Installation?" && stop_installer ;;
     esac
@@ -174,7 +177,8 @@ worker_prepare_disks()
                 DONE=1 ;;
         esac
     done
-    NEXTITEM="1"
+    [ $S_MKFSAUTO -eq 1 -o $S_MKFS -eq 1 -a $S_PART -eq 1 ] && return 0
+    return 1
 }
 
 
-- 
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