Current:

$ run --run-verbose --run-debug=1 --quote bash -c 'exec >tmp; echo $#; echo "$0" "$@"' a b c d "" ä 2>&1 | cat
run DEBUG: opt_loglevel: 7
run DEBUG: opt_nogui   : 0
run DEBUG: opt_notty   : 0
run DEBUG: opt_wait    : 0
run DEBUG: opt_quote   : 1
run DEBUG: PATH: .:/usr/bin:/usr/sbin:/usr/local/bin:/usr/bin:/cygdrive/c/Dokumente und Einstellungen/All Users/Anwendungsdaten/Oracle/Java/javapath:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/opt/Gemeinsame Dateien/Roxio Shared/DLLShared:/opt/Depicus:/opt/Aquila Technology/WakeOnLAN:/opt/Gemeinsame Dateien/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin/Qt/Qt 4.3.3:/cygdrive/c/WINDOWS/system32/WindowsPowerShell/v1.0:/opt/Sysinternals

run DEBUG: exec_tmp     /usr/bin/bash.exe
pathlist        .:/usr/bin:/usr/sbin:/usr/local/bin:/usr/bin:/cygdrive/c/Dokumente und Einstellungen/All Users/Anwendungsdaten/Oracle/Java/javapath:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/opt/Gemeinsame Dateien/Roxio Shared/DLLShared:/opt/Depicus:/opt/Aquila Technology/WakeOnLAN:/opt/Gemeinsame Dateien/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin/Qt/Qt 4.3.3:/cygdrive/c/WINDOWS/system32/WindowsPowerShell/v1.0:/opt/Sysinternals

run DEBUG: /usr/bin/bash.exe
run DEBUG: exec C:\cygwin\bin\bash.exe
execname        bash
execpath        /usr/bin

run DEBUG: C:\cygwin\bin\bash.exe -c "exec >tmp; echo $#; echo \"$0\" \"$@\"" a b c d  ä
run DEBUG: Launch non-GUI target
run Info: Exiting with status 0

$ cat tmp
4
a b c d ä

$

Expected:

$ run --run-verbose --run-debug=1 --quote bash -c 'exec >tmp; echo $#; echo "$0" "$@"' a
 b c d "" ä 2>&1 | cat
run DEBUG: opt_loglevel: 7
run DEBUG: opt_nogui   : 0
run DEBUG: opt_notty   : 0
run DEBUG: opt_wait    : 0
run DEBUG: opt_quote   : 1
run DEBUG: PATH: .:/usr/bin:/usr/sbin:/usr/local/bin:/usr/bin:/cygdrive/c/Dokumente und Einstellungen/All Users/Anwendungsdaten/Oracle/Java/javapath:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/opt/Gemeinsame Dateien/Teleca Shared:/opt/7-Zip:/cygdrive/c/WINDOWS/system32/WindowsPowerShell/v1.0:/opt/Sysinternals:/opt/GNU/bin:/cygdrive/c/Cygwin/usr/local/bin:/cygdrive/c/Cygwin/bin:/cygdrive/c/Cygwin/usr/sbin:/opt/MediaInfo_CLI:/opt/SMPlayer:/opt/SMPlayer/mplayer:/opt/FLAC:/opt/Kathrein:/opt/MPEG2Schnitt:/opt/Project-X:/opt/Comskip:/opt/MediathekView:/opt/AutoIt3:/opt/Depicus:/opt/Aquila Technology/WakeOnLAN:/opt/Gemeinsame Dateien/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin/Qt/Qt 4.3.3:/opt/QuickTime/QTSystem:/opt/Skype/Phone:/opt/FileVerifier++

run DEBUG: exec_tmp     /usr/bin/bash.exe
pathlist        .:/usr/bin:/usr/sbin:/usr/local/bin:/usr/bin:/cygdrive/c/Dokumente und Einstellungen/All Users/Anwendungsdaten/Oracle/Java/javapath:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/opt/Gemeinsame Dateien/Teleca Shared:/opt/7-Zip:/cygdrive/c/WINDOWS/system32/WindowsPowerShell/v1.0:/opt/Sysinternals:/opt/GNU/bin:/cygdrive/c/Cygwin/usr/local/bin:/cygdrive/c/Cygwin/bin:/cygdrive/c/Cygwin/usr/sbin:/opt/MediaInfo_CLI:/opt/SMPlayer:/opt/SMPlayer/mplayer:/opt/FLAC:/opt/Kathrein:/opt/MPEG2Schnitt:/opt/Project-X:/opt/Comskip:/opt/MediathekView:/opt/AutoIt3:/opt/Depicus:/opt/Aquila Technology/WakeOnLAN:/opt/Gemeinsame Dateien/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin:/opt/HP/Digital Imaging/bin/Qt/Qt 4.3.3:/opt/QuickTime/QTSystem:/opt/Skype/Phone:/opt/FileVerifier++

run DEBUG: /usr/bin/bash.exe
run DEBUG: exec C:\cygwin\bin\bash.exe
execname        bash
execpath        /usr/bin

run DEBUG: C:\cygwin\bin\bash.exe -c "exec >tmp; echo $#; echo \"$0\" \"$@\"" a b c d ""
ä
run DEBUG: Launch non-GUI target
run DEBUG: converted command-line: C:\cygwin\bin\bash.exe -c "exec >tmp; echo $#; echo \"$0\" \"$@\"" a b c d "" ä, length 79, size 81
run Info: Exiting with status 0

Martin@MartinsDell ~
$ cat tmp
5
a b c d  ä

Martin@MartinsDell ~
$