The transition from 32-bit CYGWIN (C32) to 64-bit CYGWIN (C64) has been
mostly smooth, but I have encountered some unexpected difficulties. The
latest involves 'git' version 2.5.3.
When I run 'git difftool' from my project directory in a C32 console I
get the expected behavior, but doing the same in a C64 console produces
the error
fatal: cannot exec 'git-difftool': Permission denied
It has been suggested that git generates this error because of an
inaccessible directory in my $PATH. All the directories check out as
accessible from the account I am logged in to. Furthermore, logging into
an account with administrator privileges makes no difference. Even
reducing my $PATH to /usr/bin makes no difference. I also checked out
all the mount points.
I have also read that running
strace -f -e execve git difftool
can help find the $PATH entry that is returning EACCES. But that just
returns the error
strace.exe: error creating process execve, (error 2)
Running the same command without execve produces debugging output but
does not reveal to me the source of the permission denied error.
I note that the problem is apparently related to 'git difftool' invoking
the git alias 'git-difftool' since 'git diff' works fine.
Any help fixing or debugging this problem would be appreciated.
jjo
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