Re: Unison 2.43.3 fails to synchronize execute permission bit

[L]

On Tue, Nov 3, 2015 at 11:12 PM, Ms. Alex Hankins
by7eth29fh-at-snkmail.com |cygwin| <1c3mq4a...@sneakemail.com> wrote:
> On Nov 3, 2015 9:43 AM, "Andrew Schulman" ... wrote:
>>
>> Thanks for reporting this.  I haven't had time to look at it yet, but I
>> will when I can.  My guess is that the only thing I'll be able to do is
>> report it upstream, to the unison-users list.  Feel free to do the same if
>> I don't get to it first.  They've been pretty responsive over the years in
>> supporting Cygwin.
>>
...
>
> I will try to post here if I get around to reporting it to the unison list.

I am posting here, because just submitted the report to the
unison-users list.  I forgot to include the other versions that have
the bug, though.  Time will tell if I remember or if anyone there
asks.  :-)

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Re: Unison 2.43.3 fails to synchronize execute permission bit

[Ms. Alex Hankins]

On Tue, Nov 3, 2015 at 11:12 PM, Ms. Alex Hankins
by7eth29fh-at-snkmail.com |cygwin| <1c3mq4a...@sneakemail.com> wrote:
> On Nov 3, 2015 9:43 AM, "Andrew Schulman" ... wrote:
>>
>> Thanks for reporting this.  I haven't had time to look at it yet, but I
>> will when I can.  My guess is that the only thing I'll be able to do is
>> report it upstream, to the unison-users list.  Feel free to do the same if
>> I don't get to it first.  They've been pretty responsive over the years in
>> supporting Cygwin.
>>

>
> I will try to post here if I get around to reporting it to the unison list.

I am posting here, because just submitted the report to the
unison-users list.  I forgot to include the other versions that have
the bug, though.  Time will tell if I remember or if anyone there
asks.  :-)

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Re: Unison 2.43.3 fails to synchronize execute permission bit

[Ms. Alex Hankins]

On Nov 3, 2015 9:43 AM, "Andrew Schulman schulman.andrew-at-epa.gov
|cygwin|"  wrote:
>
> > There was a bug with the umask in the test script.  I have fixed it
> > and attached it.
>
> Thanks for reporting this.  I haven't had time to look at it yet, but I
> will when I can.  My guess is that the only thing I'll be able to do is
> report it upstream, to the unison-users list.  Feel free to do the same if
> I don't get to it first.  They've been pretty responsive over the years in
> supporting Cygwin.
>
> Have you checked to see whether the same problem happens with earlier
> versions of Unison?  That would help.

Thank you very much for replying, Andrew. I just reproduced it in
these versions (from `unison -version`):

2.27.157
2.32.52
2.40.102
2.45.28
2.48.3

I will try to post here if I get around to reporting it to the unison list.

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Re: Unison 2.43.3 fails to synchronize execute permission bit

[Andrew Schulman]

> There was a bug with the umask in the test script.  I have fixed it
> and attached it.

Thanks for reporting this.  I haven't had time to look at it yet, but I
will when I can.  My guess is that the only thing I'll be able to do is
report it upstream, to the unison-users list.  Feel free to do the same if
I don't get to it first.  They've been pretty responsive over the years in
supporting Cygwin.

Have you checked to see whether the same problem happens with earlier
versions of Unison?  That would help.
 
> On Thu, Oct 29, 2015 at 11:26 AM, L <***> wrote:
> > On Wed, Oct 28, 2015 at 2:55 PM,   wrote:
> >> When synchronizing two directories on the same NTFS-formatted drive, 
> >> unison (with -perms 0o1777) fails to set execute permissions on new files. 
> >>  (It also fails to detect changes in execute permissions and to set them 
> >> on existing files.)
> >>...
> >
> > I forgot cygcheck.out.  I have attached it.
> >
> > Ms. Alex Hankins


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Re: Unison 2.43.3 fails to synchronize execute permission bit

[Ms. Alex Hankins]

There was a bug with the umask in the test script.  I have fixed it
and attached it.

On Thu, Oct 29, 2015 at 11:26 AM, L <***> wrote:
> On Wed, Oct 28, 2015 at 2:55 PM,   wrote:
>> When synchronizing two directories on the same NTFS-formatted drive, unison 
>> (with -perms 0o1777) fails to set execute permissions on new files.  (It 
>> also fails to detect changes in execute permissions and to set them on 
>> existing files.)
>>...
>
> I forgot cygcheck.out.  I have attached it.
>
> Ms. Alex Hankins


test-whether-unison-preserves-execute-permissions.bash
Description: Binary data
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Re: Unison 2.43.3 fails to synchronize execute permission bit

[Ms. Alex Hankins]

On Wed, Oct 28, 2015 at 2:55 PM,   wrote:
> When synchronizing two directories on the same NTFS-formatted drive, unison 
> (with -perms 0o1777) fails to set execute permissions on new files.  (It also 
> fails to detect changes in execute permissions and to set them on existing 
> files.)
>...

I forgot cygcheck.out.  I have attached it.

Ms. Alex Hankins


cygcheck.out
Description: Binary data
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Unison 2.43.3 fails to synchronize execute permission bit

[Alex]

When synchronizing two directories on the same NTFS-formatted drive, unison 
(with -perms 0o1777) fails to set execute permissions on new files.  (It also 
fails to detect changes in execute permissions and to set them on existing 
files.)

I am running Cygwin 64-bit from setup version 2.873.  Below is a script to test 
this phenomenon for new files.  It creates and later destroys a sandbox 
directory under /tmp/.

Thank you all for your time and efforts on the Cygwin project.  I have been a 
happy user for over 10 years.

Alex Hankins


--
#!/usr/bin/bash

# File:  test-whether-unison-preserves-execute-permissions.bash

# Test whether unison (and the filesystem housing /tmp)
# synchronizes execute-bits on new, local files.

# Comment out to turn off script debugging:
#set -x

# We need to clean up after the test is done, so we use this flag to
# determine the exit status later.
#
success="false"

umask 700

# Try to create a temporary directory to store all test files.
#
tmpDir="/tmp/unison.$$"
if ! mkdir "${tmpDir}"; then
  echo >&2 "${0}": cannot make temporary directory.
  exit 1
fi

export UNISON="${tmpDir}/.unison"  # Keep ~/.unison clean.
mkdir "${UNISON}"

mkdir "${tmpDir}/a" "${tmpDir}/b"
touch "${tmpDir}/a/foo"
chmod u+rwx,go= "${tmpDir}/a/foo"

echo "- Before synchronization:"
ls -lRa "${tmpDir}"
echo

echo "- Running unison."
unison -batch -debug all -log=false -perms 0o1777 "${tmpDir}/a" "${tmpDir}/b"
echo

echo "- After synchronization:"
ls -lRa "${tmpDir}"
echo

if [ -x "${tmpDir}/b/foo" ]; then
  success="true"
else
  echo >&2 "${0}: test failed (for filesystem housing /tmp): execute bit not 
preserved"
  success="false"
fi

# Clean up the temporary directory we made.
rm -r "${tmpDir}"

if [ "${success}" = "false" ]; then
  exit 1
fi


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