signlk.sh: fix indentation and style

Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>

signlk.sh

@@ -39,73 +39,71 @@ OU=""
 
 set -e
 
-for i in "$@"
-do
-case $i in
-    -i=*|--in=*)
-    INFILE="${i#*=}"
-    ;;
-    -o=*|--out=*)
-    OUTFILE="${i#*=}"
-    ;;
-    -OU=*|-ou=*)
-    OU="${i#*=}"
-    ;;
-    -CN=*|-cn=*)
-    CN="${i#*=}"
-    ;;
-    --tmpdir=*)
-    tmpdir="${i#*=}"
-    mkdir -p $tmpdir
-    NOCLEAN=1
-    ;;
-    -d|--debug)
-        set -x
-        NOCLEAN=1
-    ;;
-    -h*|--help*)
-    echo "signlk -i=input_file_name [-o=output_file_name]"
-    echo "-i                    input ELF/MBN file name" 
-    echo "-o                    output file name, input_file_name with suffix of 'signed' as default "
-    echo "-cn                   common name "
-    echo "-ou                   organization unit "
-    echo "--tmpdir              specify tmp folder to use"
-    exit 0
-    ;;
-    *)
-    echo "unsupported option"       # unknown option
-    echo "type signlk --help for help" 
-    exit 1
-    ;;
-esac
+for i in "$@"; do
+    case $i in
+        -i=*|--in=*)
+            INFILE="${i#*=}"
+            ;;
+        -o=*|--out=*)
+            OUTFILE="${i#*=}"
+            ;;
+        -OU=*|-ou=*)
+            OU="${i#*=}"
+            ;;
+        -CN=*|-cn=*)
+            CN="${i#*=}"
+            ;;
+        --tmpdir=*)
+            tmpdir="${i#*=}"
+            mkdir -p $tmpdir
+            NOCLEAN=1
+            ;;
+        -d|--debug)
+            set -x
+            NOCLEAN=1
+            ;;
+        -h*|--help*)
+            echo "signlk -i=input_file_name [-o=output_file_name]"
+            echo "-i                    input ELF/MBN file name"
+            echo "-o                    output file name, input_file_name with suffix of 'signed' as default "
+            echo "-cn                   common name "
+            echo "-ou                   organization unit "
+            echo "--tmpdir              specify tmp folder to use"
+            exit 0
+            ;;
+        *)
+            echo "unsupported option"       # unknown option
+            echo "type signlk --help for help"
+            exit 1
+            ;;
+    esac
 done
 
 if [ "$INFILE" = "" ]; then
-   echo "signlk -i=input_file_name [-o=output_file_name]"
-	exit 2
+    echo "signlk -i=input_file_name [-o=output_file_name]"
+    exit 2
 fi
 
 INFILE_filename=$(echo $INFILE | rev | cut -f 2- -d '.' | rev)
 
 if [ "$OUTFILE" = "" ]; then
-        OUTFILE=$INFILE_filename"_signed.mbn"
-        
+    OUTFILE=$INFILE_filename"_signed.mbn"
 fi
 echo "generating output file $OUTFILE"
 
 [ -z $tmpdir ] && tmpdir=$(mktemp -d)
 TMPOUTFILE=$tmpdir/"tmp.elf"
 if [ ! "$(openssl version)" ]; then
-   echo "please install openssl"
-   exit 6
+    echo "please install openssl"
+    exit 6
 fi
 if [ ! "$(make -v)" ]; then
-   echo "please install gcc"
-   exit 7
+    echo "please install gcc"
+    exit 7
 fi
 if [ ! "$(g++ --version)" ]; then
-   echo "please install g++"
-   exit 8
+    echo "please install g++"
+    exit 8
 fi
 
 make -C $DIR/signer
@@ -121,15 +119,15 @@ openssl sha256 -binary $tmpdir/header > $tmpdir/data
 cat $tmpdir/hash>> $tmpdir/data
 
 for f in $tmpdir/segment*; do
-  openssl sha256 -binary $f >> $tmpdir/data
+    openssl sha256 -binary $f >> $tmpdir/data
 done
 
 openssl sha256 -binary $tmpdir/data > $tmpdir/stp0
 cat $tmpdir/Si > $tmpdir/tmpDigest0
-cat $tmpdir/stp0 >> $tmpdir/tmpDigest0 
+cat $tmpdir/stp0 >> $tmpdir/tmpDigest0
 openssl sha256 -binary $tmpdir/tmpDigest0 > $tmpdir/stp1
 cat $tmpdir/So > $tmpdir/tmpDigest1
-cat $tmpdir/stp1 >> $tmpdir/tmpDigest1 
+cat $tmpdir/stp1 >> $tmpdir/tmpDigest1
 openssl sha256 -binary $tmpdir/tmpDigest1 > $tmpdir/dataToSign.bin
 
 DATA=$tmpdir/data
@@ -173,7 +171,7 @@ dd if=$TMPOUTFILE of=$OUTFILE bs=1 skip=$(($hash_seg_offset+$hash_seg_file_size)
 
 # no cleanup in debug mode
 if [ -z $NOCLEAN ]; then
-   echo rm -rf $tmpdir
+    rm -rf $tmpdir
 fi
 
 echo done