Mail Archives: cygwin/2011/02/01/17:41:06
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| Date: | Tue, 01 Feb 2011 23:41:13 +0100
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| From: | Cyrille Lefevre <cyrille DOT lefevre-lists AT laposte DOT net>
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| Subject: | Re: bad PATH conversion under XP
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Le 26/01/2011 03:10, Rafael Kitover a =E9crit :
>
> On 1/25/2011 7:14 PM, Cyrille Lefevre wrote:
>> v2$ uname -a
>> CYGWIN_NT-5.1 PC213736 1.7.7(0.230/5/3) 2010-08-31 09:58 i686 Cygwin
>>
>> aka
>>
>> Windows XP Professional Ver 5.1 Build 2600 Service Pack 3
>>
>> though SSH at least :
>>
>> v2$ regtool get /machine/SYSTEM/CurrentControlSet/Control/Session\
>> Manager/Environment/PATH
>> %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\orawin\=
BIN;C:\Program
>>
>> Files\ATI Technologies\ATI Control Panel;"C:\Program
>> Files\Hummingbird\Connectivity\7.00\Accessories\";C:\Program
>> Files\QuickTime\QTSystem\;D:\sfu\Perl\bin\;D:\sfu\common\;C:\WINDOWS\sys=
tem32\WindowsPowerShell\v1.0\;C:\Program
>>
>> Files\Samsung\Samsung PC Studio 3\
>>
>> gives :
>>
>> /usr/local/bin:/usr/bin:/bin:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WI=
NDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/orawin/BIN:/cygdrive/c/=
Program
>>
>> Files/ATI Technologies/ATI Control Panel:"C:/Program
>> Files/Hummingbird/Connectivity/7.00/Accessories/":/cygdrive/c/Program
>> Files/QuickTime/QTSystem/:/cygdrive/d/sfu/Perl/bin/:/cygdrive/d/sfu/comm=
on/:/cygdrive/c/WINDOWS/system32/WindowsPowerShell/v1.0/:/cygdrive/c/Program
>>
>> Files/Samsung/Samsung PC Studio 3/:/bin
>>
>> note the unconverted path between double-quotes :
>>
>> "C:/Program Files/Hummingbird/Connectivity/7.00/Accessories/"
>
> I saw this problem on msys, I think it applies to cygwin as well.
>
> If you just go into environment under advanced system settings in
> control panel and remove the double quotes, it will work correctly. I'm
> on Windows 7.
don't be kidding ! ok, I'm joking...
I'm reporting a cygwin bug...
of course I know I could edit the windows environment variables.
however, this problem has to be fixed.
>>
>> also, how about to get rid of final slashes (.../ =3D> ...) ?
>
> You could reprocess your PATH in your .bashrc, but the final slashes
> should have no effect on how the PATH is actually used...
everything is possible at shell level, even more efficiently, but since=20
the path is working by the cygwin layer, why not to clean things up.
PS : no fork cleanups...
# space tab newline
_IFS=3D${IFS:-'=20=09
'}
IFS=3D':'
# clean up final /'es
_PATH=3D _sep=3D
for _path in $PATH; do
case $path in */) _path=3D${_path#/} ;; esac
_PATH=3D${_PATH}${_sep}${_path}
_sep=3D':'
done
PATH=3D${_PATH}
# cleanup twins
_PATH=3D _sep=3D
for _path in $PATH; do
case ":${_PATH}:" in
*":${_path}:"*) ;;
*) _PATH=3D${_PATH}${_sep}${_path}; _sep=3D':' ;;
esac
done
PATH=3D${_PATH}
# not necessary, but...
# cleanup windows paths w/ space
_PATH=3D _sep=3D
for _path in $PATH; do
case ":${_path}:" in
*' '*) ;;
*) _PATH=3D${_PATH}${_sep}${_path}; _sep=3D':' ;;
esac
done
PATH=3D${_PATH}
IFS=3D${_IFS}
unset _IFS _PATH _path _sep
untested but should work...
of course, you may do this in one loop only !
also, I reworked my version of ssh-session-env.sh
Regards,
Cyrille Lefevre
--=20
mailto:Cyrille DOT Lefevre-lists AT laposte DOT net
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#!/bin/sh
#
# ssh-session-env.sh - script for installation in /etc/profile.d
#
# because in sessions started from sshd the windows system environment
# variables in general are not set except for some which are possible
# special handled (like PATH, etc.) and the windows user environment
# variables are not set from the actual user but from the user of the
# sshd server this script is used to build this environment settings in
# shells with bournish syntax which uses /etc/profile for initialization.
#
# authors: Kurt Franke, Cyrille Lefevre
#
# date: 26 january 2011
if ps -fp ${PPID} | grep -q "/usr/sbin/sshd$"; then
_SECONDS_=${SECONDS:-$(date +%s)}
_IFS_=${IFS}
IFS='
'
eval "$( (
regtool -qv list /machine/SYSTEM/CurrentControlSet/Control/Session\ Manager/Environment
regtool -qv list /user/Environment
regtool -qv list /user/Volatile\ Environment
) |
awk -v q="'" -v mp="$(mount --show-cygdrive-prefix)" '
function s2a(str, a, sep, i, t) {
if (sep == "") sep = " +"
split(str, t, sep)
for (i in t) a[t[i]] = ""
}
function uniqp(p, i, j, k, o, n, a, s) {
k = split(p, o, ":")
for (i = j = 1; i <= k; i++)
if (!(tolower(o[i]) in a))
a[tolower(n[j++] = o[i])] = ""
p = s = ""
for (i = 1; i < j; i++) {
p = p s n[i]
s = ":"
}
return p
}
BEGIN {
s2a("APPDATA CLASSPATH QTJAVA LOCALAPPDATA USERPROFILE VS90COMNTOOLS", \
noconvert)
s2a("HOMEPATH PATH TEMP TMP", override)
sub(/.*\n/, "", mp)
sub(/[ \t].*/, "", mp)
}
! /\\ \(\)$/ {
var = toupper($1)
$1 = $2 = $3 = ""
sub("^ +", "")
environ[var] = var == "PATH" && var in environ ? \
environ[var] ";" $0 : $0
}
END {
flag = 1
while (flag) {
flag = 0
for (var in environ) {
val = environ[var]
if (match(val,/%[^%]+%/)) {
flag = 1
subvar = substr(val, RSTART+1, RLENGTH-2)
subvar = toupper(subvar)
subval = subvar in environ ? \
environ[subvar] : ENVIRON[subvar]
if (subval !~ /%[^%]%/) {
head = substr(val, 1, RSTART-1)
tail = substr(val, RSTART+RLENGTH)
environ[var] = head subval tail
}
}
}
}
for (var in environ) {
if (!(var in override) && var in ENVIRON)
continue
val = environ[var]
if (!(var in noconvert) && (val ~ /;/ || val ~ /^"?.:/)) {
gsub(/([a-zA-Z]):/, mp "/&", val)
gsub(/\\/,"/",val)
gsub(/[:"]|\/$/,"",val)
gsub(/\/?;/,":",val)
}
if (var == "PATH") {
gsub(/"([a-zA-Z]):/, mp "/&", ENVIRON[var])
gsub(/"|\/$/,"",ENVIRON[var])
gsub(/\/:/,":",ENVIRON[var])
val = uniqp(ENVIRON[var] ":" val)
}
gsub(q, "\\"q, val)
print "export", var "="q val q
}
}
')"
echo "elapsed: $(( ${SECONDS:-$(date +%s)} - $_SECONDS_ ))s"
IFS=${_IFS_}
unset _IFS_ _SECONDS_
fi
# eof
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