[FLEX-27904] mxmlc ant task doesn't work in cygwin

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: Adobe Flex SDK 4.5.1 (Release)
• Component/s: MXML Compiler
• Environment: Affected OS(s): Windows; Affected OS(s): Windows; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 23/Jul/11 03:49
• Updated: 24/Aug/11 08:21
• Resolved: 22/Aug/11 15:27

Description

Steps to reproduce:
1. Cygwin environment, run these commands:
set FLEX_HOME=/cygdrive/d/Flex/SDK/4.5.1
export PATH=$PATH:$FLEX_HOME/bin
2. Type mxmlc and hit enter

Actual Results:
"Unable to access jarfile /cygdrive/d/Flex/SDK/4.5.1/lib/mxmlc.jar"

Expected Results:
The normal flex compiler bootstrap message

Workaround (if any):
Run mxmlc.exe directy (Ugly)

Fix:
Change bash script file: $FLEX_HOME/bin/mxmlc

from this:

if [ $OS = "Windows" ]; then

1. set FLEX_HOME relative to mxmlc if not set
   test "$FLEX_HOME" = "" && { FLEX_HOME=`dirname $0`/.. FLEX_HOME=`cygpath -m $FLEX_HOME` }

to this:

if [ $OS = "Windows" ]; then

1. set FLEX_HOME relative to mxmlc if not set
   test "$FLEX_HOME" = "" && { FLEX_HOME=`dirname $0`/.. }

   FLEX_HOME=`cygpath -m $FLEX_HOME`

reason:
The cygpath path must always be calculated, not only when the FLEX_HOME is empty.
It is not that easy though, because a previously set FLEX_HOME environment variable can come from 2 places in cygwin.
One is from Windows environment directly.
The other is from cygwin bootstrap.

kosher solutions:
hard: Detect if path is not cygwin path the call cygpath over it, otherwise leave it alone as it is an Windows path
easy: Never rely on existing paths, always overwrite FLEX_HOME as dirname $0`/..