set -e
-SCRIPT_NAME=`basename $0`
+SCRIPT_NAME=$(basename "$0")
# Use the bash internal OSTYPE variable to check for MacOS
if [[ "$OSTYPE" == "darwin"* ]]
exit 1
fi
-pom_lines=`wc -l $pom_file | $SED 's/^[ \t]*//' | cut -f1 -d' '`
-parent_start_line=`grep -n '^[\t ]*<parent>[\t ]*$' $pom_file | cut -f1 -d':'`
-parent_end_line=`grep -n '^[\t ]*</parent>[\t ]*$' $pom_file | cut -f1 -d':'`
+pom_lines=$(wc -l "$pom_file" | $SED 's/^[ \t]*//' | cut -f1 -d' ')
+parent_start_line=$(grep -n '^[\t ]*<parent>[\t ]*$' "$pom_file" | cut -f1 -d':')
+parent_end_line=$(grep -n '^[\t ]*</parent>[\t ]*$' "$pom_file" | cut -f1 -d':')
pom_head_lines=$((parent_start_line-1))
pom_tail_lines=$((pom_lines-parent_end_line))
pom_temp_file=$(mktemp)
-head -$pom_head_lines $pom_file > $pom_temp_file
-echo " <parent>" >> $pom_temp_file
-echo " <groupId>$group_id</groupId>" >> $pom_temp_file
-echo " <artifactId>$artifact_id</artifactId>" >> $pom_temp_file
-echo " <version>$version</version>" >> $pom_temp_file
-echo " <relativePath />" >> $pom_temp_file
-echo " </parent>" >> $pom_temp_file
-tail -$pom_tail_lines $pom_file >> $pom_temp_file
-
-mv $pom_temp_file $pom_file
+{
+ head -$pom_head_lines "$pom_file"
+ echo " <parent>"
+ echo " <groupId>$group_id</groupId>"
+ echo " <artifactId>$artifact_id</artifactId>"
+ echo " <version>$version</version>"
+ echo " <relativePath />"
+ echo " </parent>"
+ tail -$pom_tail_lines "$pom_file"
+} > "$pom_temp_file"
+
+mv "$pom_temp_file" "$pom_file"