Error handling in shell scripts

bin/wappalyzer-build

@@ -7,14 +7,9 @@ then
 	exit 1
 fi
 
-wappalyzer validate
-
-if [ $? -ne 0 ]
-then
-	echo "Build aborted"
+set -eu
 
-	exit 1
-fi
+wappalyzer validate
 
 echo "Prettifying apps.json..."
 

bin/wappalyzer-links

@@ -14,6 +14,8 @@ then
 	path=$WAPPALYZER_ROOT
 fi
 
+set -eu
+
 if [ ! -d $path/src ]
 then
 	echo "-$(basename $0): Incorrect path"
@@ -55,6 +57,6 @@ ln -f $path/apps.json     $path/drivers/ruby
 ln -f $path/wappalyzer.js $path/drivers/npm
 ln -f $path/apps.json     $path/drivers/npm
 
-echo "Done"
+echo "OK"
 
 exit 0

bin/wappalyzer-validate

@@ -1,9 +1,5 @@
 #!/bin/bash
 
-color_ok='\033[1;32m'
-color_err='\033[0;31m'
-color_none='\033[0m'
-
 path=$1
 
 if [ -z $path ]
@@ -18,6 +14,8 @@ then
 	path=$WAPPALYZER_ROOT
 fi
 
+set -eu
+
 if [ ! -d $path/src ]
 then
 	echo "-$(basename $0): Incorrect path"
@@ -29,17 +27,4 @@ path="$path/src"
 
 echo "Validating apps.json..."
 
-echo -en "${color_err}"
-
 jsonlint --quiet -V $WAPPALYZER_ROOT/schema.json $path/apps.json
-
-if [ $? -eq 0 ]
-then
-	echo -e "${color_ok}Ok${color_none}"
-
-	exit 0
-else
-	echo -en "${color_none}"
-
-	exit 1
-fi