Because this script is run/sourced from plain-old-sh and not bash, need to add suplementary checks to determine sourced-vs-executed.
Because this script is run/sourced from plain-old-sh and not bash,
need to add suplementary checks to determine sourced-vs-executed.


git-svn-id: 0ff1ad7656aa80338884e77fe20f8695ecd5d14c@1438 92e5ae4a-8afd-0310-8b33-eaebc6dd6768

jpweiss/mirrored.from.sf,jpweiss/mirrored.from.sf,jpweiss/mirrored.from.sf,jpweiss/mirrored.from.sf