[MacPorts] #23456: use_dmg yes fails when worksrcdir contains a space

[MacPorts]

#23456: use_dmg yes fails when worksrcdir contains a space
-------------------------------------+--------------------------------------
 Reporter:  ryandesign@…             |       Owner:  ryandesign@…           
     Type:  defect                   |      Status:  new                    
 Priority:  Normal                   |   Milestone:  MacPorts 1.8.3         
Component:  base                     |     Version:  1.8.2                  
 Keywords:                           |        Port:                         
-------------------------------------+--------------------------------------
 This was noticed when trying to update BiggerSQL in #15634.

 {{{
 --->  Extracting BiggerSQL-1.3.9.dmg
 DEBUG: setting option extract.args to
 /opt/local/var/macports/distfiles/BiggerSQL/BiggerSQL-1.3.9.dmg
 DEBUG: Environment: CPATH='/opt/local/include'
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_Users_rschmidt_macports_dports_aqua_BiggerSQL/work/.CC_PRINT_OPTIONS'
 LIBRARY_PATH='/opt/local/lib' CC_PRINT_OPTIONS='YES'
 MACOSX_DEPLOYMENT_TARGET='10.6'
 DEBUG: Assembled command: 'cd
 "/opt/local/var/macports/build/_Users_rschmidt_macports_dports_aqua_BiggerSQL/work"
 && /usr/bin/hdiutil attach
 /opt/local/var/macports/distfiles/BiggerSQL/BiggerSQL-1.3.9.dmg -private
 -readonly -nobrowse -mountpoint /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL
 Source && /bin/cp -Rp /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL Source
 /opt/local/var/macports/build/_Users_rschmidt_macports_dports_aqua_BiggerSQL/work
 && /usr/bin/hdiutil detach /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL Source
 && /bin/rmdir /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL Source
 /tmp/mports.OXxglvqF'
 hdiutil: attach: extra image argument "Source" -
 "/opt/local/var/macports/distfiles/BiggerSQL/BiggerSQL-1.3.9.dmg" already
 specified
 Usage:  hdiutil attach [options] <image>
         hdiutil attach -help
 shell command " cd
 "/opt/local/var/macports/build/_Users_rschmidt_macports_dports_aqua_BiggerSQL/work"
 && /usr/bin/hdiutil attach
 /opt/local/var/macports/distfiles/BiggerSQL/BiggerSQL-1.3.9.dmg -private
 -readonly -nobrowse -mountpoint /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL
 Source && /bin/cp -Rp /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL Source
 /opt/local/var/macports/build/_Users_rschmidt_macports_dports_aqua_BiggerSQL/work
 && /usr/bin/hdiutil detach /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL Source
 && /bin/rmdir /tmp/mports.OXxglvqF/BiggerSQL/BiggerSQL Source
 /tmp/mports.OXxglvqF " returned error 1
 }}}

 The fix should be simple.

-- 
Ticket URL: <http://trac.macports.org/ticket/23456>
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