flash: add comments

1 files changed, 6 insertions, 3 deletions

diff --git a/flash b/flash
index 2c6e800..98605f7 100755
--- a/flash
+++ b/flash
@@ -22,6 +22,7 @@
 # set -u -e -v
 set -v
 
+# These are the tested platforms
 if [ $(uname -i) = "i686" ] || [ $(uname -m) = "i686" ]
 	then
 		echo "Running on i686. ok."
@@ -35,25 +36,27 @@ else
 	exit 1
 fi
 
+# the user must be root to use flashrom
 if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root" 
    exit 1
 fi
 
-# USE ROOT OR SUDO WHEN EXECUTING THIS
-# uses flashrom to flash the rom
-
+# check that the user supplied a path to a ROM image:
 if (( $# != 1 )); then
 	echo "Usage: ./lenovobios_firstflash yourrom.rom"
 	echo "usage: ./lenovobios_firstflash path/to/yourrom.rom"
 	echo "You need to specify exactly 1 file"
 	exit 1
 fi
+# if the user did supply a path, check that it exists:
 if [ ! -f $1 ]; then
 	echo "File not found!"
 	exit 1
 fi
 
+# Use flashrom to flash the ROM image:
+
 if [ -f "DEBLOB" ]; then
 	# Means we are in src archive or git
 	./flashrom/flashrom -p internal -w $1