UserAgent: Mozilla/5.0 (X11; CrOS aarch64 9000.91.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.110 Safari/537.36
Platform: Platform 9000.91.0 (Official Build) stable-channel elm

Steps to reproduce the problem:
1. dev_install
2. nano
3. 

What is the expected behavior?

What went wrong?
nano
bash: nano: command not found

ls -l /usr/local/bin/nano
lrwxrwxrwx. 1 root root 9 Mar  3 15:45 /usr/local/bin/nano -> /bin/nano
but:
ls -l /bin/n*
-rwxr-xr-x. 1 root root 109556 Feb 23 02:10 /bin/netstat
lrwxrwxrwx. 1 root root      8 Feb 23 04:13 /bin/nisdomainname -> hostname

Did this work before? N/A 

Chrome version: 56.0.2924.110  Channel: n/a
OS Version: 9000.91.0
Flash Version: Shockwave Flash 24.0 r0

dev_install assumes nano is already installed so just links to it. But nano is not installed. dev_install needs to install the binary. And, if for whatever reason, nano were already installed in /bin, then there's no reason for dev_install to try to install nano.