melting-pot: add a debugging flag

Author: ctrueden

melting-pot.sh

@@ -77,6 +77,11 @@ stderr(){
 >&2echo"$@"
 }
 
+debug(){
+test"$debug"&&
+ stderr "+ $@"
+}
+
 info(){
 test"$verbose"&&
  stderr "[INFO] $@"
@@ -129,6 +134,9 @@ parseArguments(){
  -v|--verbose)
  verbose=1
  ;
+ -d|--debug)
+ debug=1
+ ;
  -f|--force)
  force=1
  ;
@@ -325,13 +333,15 @@ retrieveSource(){
 local scmBranch
 test"$2"&& scmBranch="$2"|| scmBranch="$(scmTag "$1")"
 local dir="$(groupId "$1")/$(artifactId "$1")"
+ debug "git clone \"$scmURL\" --branch \"$scmBranch\" --depth 1 \"$dir\""
  git clone "$scmURL" --branch "$scmBranch" --depth 1 "$dir"2> /dev/null
 echo"$dir"
 }
 
 # Gets the list of dependencies for the project in the CWD.
 deps(){
 cd"$1"
+ debug "mvn dependency:list"
  mvn dependency:list | grep '^\[INFO\] [^ ]'| sed 's/\[INFO\] //'
 cd - > /dev/null
 }
@@ -499,6 +509,7 @@ meltDown(){
 else
  info "Building the project!"
 # NB: All code is fresh; no need to clean.
+ debug "mvn $args test"
  mvn $argstest
 fi