capsule_cabinet.sh: improve logging

Upstream-Status: Inappropriate (Dasharo downstream)
Change-Id: I874ddda52eace5d830aa2460578e80bf37e01d96
Signed-off-by: Michał Kopeć <michal.kopec@3mdeb.com>

Author: mkopec

capsule_cabinet.sh

@@ -8,8 +8,20 @@ function die() {
     exit 1
 }
 
+if [ $# -ne 1 ]; then
+    die "Incorrect number of input parameters specified: $# (expected: 1)"
+fi
+
+if [ -z $1 ]; then
+    die "No input capsule specified"
+fi
+
+if [ ! -f $1 ]; then
+    die "File $1 not found"
+fi
+
 if [ ! -f .config ]; then
-    die "no '.config' file in current directory"
+    die "No '.config' file in current directory"
 fi
 
 # import coreboot's config file replacing $(...) with ${...}
@@ -20,15 +32,7 @@ while read -r line; do
 done <<< "$(sed 's/\$(\([^)]\+\))/${\1}/g' .config)"
 
 if [ "$CONFIG_DRIVERS_EFI_UPDATE_CAPSULES" != y ]; then
-    die "current board configuration lacks support of update capsules"
-fi
-
-if [ -z $1 ]; then
-    die "No input capsule specified"
-fi
-
-if [ ! -f $1 ]; then
-    die "File $1 not found"
+    die "Current board configuration lacks support of update capsules"
 fi
 
 capsule=$1
@@ -70,8 +74,6 @@ cat > "${archive_dir}/firmware.metainfo.xml" << EOF
 
 EOF
 
-cat "$archive_dir/firmware.metainfo.xml"
-
 cp $capsule $archive_dir/firmware.bin
 
 pushd $archive_dir &> /dev/null