./apt-cyg: line 388: apt-cyg: command not found

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Downloaded apt-cyg to C:\cygwin64
2. First thing I installed was ruby using this command

./apt-cyg install ruby

3. Got this output

$ ./apt-cyg install ruby
Working directory is /setup
Mirror is http://mirrors.kernel.org/sourceware/cygwin
--2015-03-16 17:53:46--  
http://mirrors.kernel.org/sourceware/cygwin/x86_64/setup.bz2
Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.20.143, 
149.20.37.36, 2001:4f8:4:6f:0:1994:3:14, ...
Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.20.143|:80... 
connected.
HTTP request sent, awaiting response... 200 OK
Length: 612561 (598K) [application/octet-stream]
Saving to: ‘setup.bz2’

setup.bz2                                
100%[===========================================================================
=======>] 598.20K   394KB/s   in 1.5s

2015-03-16 17:53:48 (394 KB/s) - ‘setup.bz2’ saved [612561/612561]

Updated setup.ini

Installing ruby
Found package ruby
--2015-03-16 17:53:48--  
http://mirrors.kernel.org/sourceware/cygwin/x86_64/release/ruby/ruby-2.0.0-p598-
1.tar.xz
Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.20.143, 
149.20.37.36, 2001:4f8:4:6f:0:1994:3:14, ...
Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.20.143|:80... 
connected.
HTTP request sent, awaiting response... 200 OK
Length: 2695252 (2.6M) [application/octet-stream]
Saving to: ‘ruby-2.0.0-p598-1.tar.xz’

ruby-2.0.0-p598-1.tar.xz                 
100%[===========================================================================
=======>]   2.57M   824KB/s   in 3.2s

2015-03-16 17:53:52 (824 KB/s) - ‘ruby-2.0.0-p598-1.tar.xz’ saved 
[2695252/2695252]

Unpacking...
Package ruby requires the following packages, installing:
libcrypt0 libffi6 libgcc1 libgdbm4 libncursesw10 libopenssl100 libreadline7 
libssp0 libyaml0_2 ruby-minitest4 ruby-rdoc rubygems zlib0 cygwin
Package libcrypt0 is already installed, skipping
Package libffi6 is already installed, skipping
Package libgcc1 is already installed, skipping
Package libgdbm4 is already installed, skipping
Package libncursesw10 is already installed, skipping
Package libopenssl100 is already installed, skipping
Package libreadline7 is already installed, skipping
Package libssp0 is already installed, skipping
./apt-cyg: line 388: apt-cyg: command not found
./apt-cyg: line 388: apt-cyg: command not found
./apt-cyg: line 388: apt-cyg: command not found
./apt-cyg: line 388: apt-cyg: command not found
Package zlib0 is already installed, skipping
Package cygwin is already installed, skipping
Warning: some required packages did not install, continuing
Package ruby installed

Ran it again without an issue

$ ./apt-cyg install ruby
Working directory is /setup
Mirror is http://mirrors.kernel.org/sourceware/cygwin
--2015-03-16 17:55:48--  
http://mirrors.kernel.org/sourceware/cygwin/x86_64/setup.bz2
Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.20.143, 
149.20.37.36, 2001:4f8:4:6f:0:1994:3:14, ...
Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.20.143|:80... 
connected.
HTTP request sent, awaiting response... 200 OK
Length: 612561 (598K) [application/octet-stream]
Saving to: ‘setup.bz2’

setup.bz2                                
100%[===========================================================================
=======>] 598.20K   198KB/s   in 3.0s

2015-03-16 17:55:51 (198 KB/s) - ‘setup.bz2’ saved [612561/612561]

Updated setup.ini
Package ruby is already installed, skipping

Original issue reported on code.google.com by ronthecon on 15 Mar 2015 at 10:04