style: processed with bash linter

src/scripts/npm/updateIosSdk.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
 
-#update the ios dependencies in this directory to those storied under passed tag on github
 # update the iOS dependencies in this directory to those storied under passed tag on Github
 
 # fail fast on errors
@@ -9,12 +8,12 @@ set -e
 # cd into directory containing this script
 cd "$(dirname "$0")"
 
-if [ -z ${1+x} ]; then
-	echo "You must pass this script the tag to download"
-	exit -1
 # check first parameter is set to tag to download
+if [ -z "${1+x}" ]; then
+  echo "You must pass this script the tag to download"
+  exit -1
 else
-	echo "downloading tag '$1'"
+  echo "downloading tag '$1'"
 fi
 
 # this is the git tag that we will be updating to
@@ -25,18 +24,17 @@ tag_url="https://github.com/BranchMetrics/ios-branch-deep-linking/archive/$tag_n
 # extract is where we stick the extracted archive of the tag
 tag_extract=ios-branch-deep-linking-$tag_name
 
-tag_url_status=`curl -L -o /dev/null --silent --head --write-out '%{http_code}\n' $tag_url`
-if [ $tag_url_status = "200" ]; then
-	echo "found tag"
+# check that tag exists
+tag_url_status=$(curl -L -o /dev/null --silent --head --write-out '%{http_code}\n' "$tag_url")
+if [ "$tag_url_status" = "200" ]; then
+  echo "found tag"
 else
-	echo "could not find '$tag_url'"
-	echo "curl returned status '$tag_url_status'"
-	exit -1
+  echo "could not find '$tag_url'"
+  echo "curl returned status '$tag_url_status'"
+  exit -1
 fi
 
 curl -L -o sdk.zip $tag_url
-
-#delete old extracted content or do nothing if we don't have any
 rm -rf $tag_extract
 # this will overwrite existing versions of sdk.zip
 
@@ -59,6 +57,5 @@ mv $tag_extract/Branch-SDK/Fabric .
 rm -rf $tag_extract
 # clean up extract
 
-#replace all instances of '#import "../Fabric/' with '#import "' in .m files
 find . -type f -name '*.m' \
-	-exec perl -i -pe 's/\#import \"\.\.\/Fabric\//#import "/' '{}' +
+	-exec perl -i -pe 's/\#import \"\.\.\/Fabric\//#import "/' '{}' +# replace all instances of '#import "../Fabric/' with '#import "' in .m files