make lib on ubuntu 14.04 curl can't download https://github.com/pixie-lang/external-deps/releases/download/1.0/Linux-x86_64.tar.bz2

gistfile1.sh

firefly-vm:~/src/pixie% make lib
echo https://github.com/pixie-lang/external-deps/releases/download/1.0/`uname -s`-`uname -m`.tar.bz2
https://github.com/pixie-lang/external-deps/releases/download/1.0/Linux-x86_64.tar.bz2
curl -L https://github.com/pixie-lang/external-deps/releases/download/1.0/`uname -s`-`uname -m`.tar.bz2 > /tmp/externals.tar.bz2
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   398    0   398    0     0     70      0 --:--:--  0:00:05 --:--:--    95
  0     0    0  1435    0     0    126      0 --:--:--  0:00:11 --:--:--   457
tar -jxf /tmp/externals.tar.bz2 --strip-components=2
bzip2: (stdin) is not a bzip2 file.
tar: Child returned status 2
tar: Error is not recoverable: exiting now
make: *** [lib] Error 2
firefly-vm:~/src/pixie% cat /tmp/externals.tar.bz2
<?xml version="1.0" encoding="UTF-8"?>
<Error><Code>SignatureDoesNotMatch</Code><Message>The request signature we calculated does not match the signature you provided. Check your key and signing method.</Message><AWSAccessKeyId>AKIAISTNZFOVBIJMK3TQ</AWSAccessKeyId><StringToSign>GET

application/json
1430009415
/github-cloud/releases/31017675/4b0581e0-bb24-11e4-8e67-8932a1db6667.bz2?response-content-disposition=attachment; filename=Linux-x86_64.tar.bz2&amp;response-content-type=application/octet-stream</StringToSign><SignatureProvided>rn0107mi3dY0vHdZYEjVSjOtBtc=</SignatureProvided><StringToSignBytes>47 45 54 0a 0a 61 70 70 6c 69 63 61 74 69 6f 6e 2f 6a 73 6f 6e 0a 31 34 33 30 30 30 39 34 31 35 0a 2f 67 69 74 68 75 62 2d 63 6c 6f 75 64 2f 72 65 6c 65 61 73 65 73 2f 33 31 30 31 37 36 37 35 2f 34 62 30 35 38 31 65 30 2d 62 62 32 34 2d 31 31 65 34 2d 38 65 36 37 2d 38 39 33 32 61 31 64 62 36 36 36 37 2e 62 7a 32 3f 72 65 73 70 6f 6e 73 65 2d 63 6f 6e 74 65 6e 74 2d 64 69 73 70 6f 73 69 74 69 6f 6e 3d 61 74 74 61 63 68 6d 65 6e 74 3b 20 66 69 6c 65 6e 61 6d 65 3d 4c 69 6e 75 78 2d 78 38 36 5f 36 34 2e 74 61 72 2e 62 7a 32 26 72 65 73 70 6f 6e 73 65 2d 63 6f 6e 74 65 6e 74 2d 74 79 70 65 3d 61 70 70 6c 69 63 61 74 69 6f 6e 2f 6f 63 74 65 74 2d 73 74 72 65 61 6d</StringToSignBytes><RequestId>13D57294F7FC7BCD</RequestId><HostId>wNKjjedrJqf/OR8dpNv/G43n9UdMIgZDpCPYIb0k74XTf9+/HZyw70jj1jD9I/kSCOBDsl9WhGw=</HostId></Error>%                                                                                                                                 firefly-vm:~/src/pixie% curl -V
curl 7.35.0 (x86_64-pc-linux-gnu) libcurl/7.35.0 OpenSSL/1.0.1f zlib/1.2.8 libidn/1.28 librtmp/2.3
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp smtp smtps telnet tftp
Features: AsynchDNS GSS-Negotiate IDN IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP
firefly-vm:~/src/pixie%

in the unsuccessful case, this is the contents of the downloaded file (saffron-vm:~% cat /tmp/foo):

<?xml version="1.0" encoding="UTF-8"?>
<Error><Code>SignatureDoesNotMatch</Code><Message>The request signature we calculated does not match the signature you provided. Check your key and signing method.</Message><AWSAccessKeyId>AKIAISTNZFOVBIJMK3TQ</AWSAccessKeyId><StringToSign>GET

application/json
1430150182
/github-cloud/releases/31017675/4b0581e0-bb24-11e4-8e67-8932a1db6667.bz2?response-content-disposition=attachment; filename=Linux-x86_64.tar.bz2&amp;response-content-type=application/octet-stream</StringToSign><SignatureProvided>y357X+kcIkYuT5eScn7rKl1acxk=</SignatureProvided><StringToSignBytes>47 45 54 0a 0a 61 70 70 6c 69 63 61 74 69 6f 6e 2f 6a 73 6f 6e 0a 31 34 33 30 31 35 30 31 38 32 0a 2f 67 69 74 68 75 62 2d 63 6c 6f 75 64 2f 72 65 6c 65 61 73 65 73 2f 33 31 30 31 37 36 37 35 2f 34 62 30 35 38 31 65 30 2d 62 62 32 34 2d 31 31 65 34 2d 38 65 36 37 2d 38 39 33 32 61 31 64 62 36 36 36 37 2e 62 7a 32 3f 72 65 73 70 6f 6e 73 65 2d 63 6f 6e 74 65 6e 74 2d 64 69 73 70 6f 73 69 74 69 6f 6e 3d 61 74 74 61 63 68 6d 65 6e 74 3b 20 66 69 6c 65 6e 61 6d 65 3d 4c 69 6e 75 78 2d 78 38 36 5f 36 34 2e 74 61 72 2e 62 7a 32 26 72 65 73 70 6f 6e 73 65 2d 63 6f 6e 74 65 6e 74 2d 74 79 70 65 3d 61 70 70 6c 69 63 61 74 69 6f 6e 2f 6f 63 74 65 74 2d 73 74 72 65 61 6d</StringToSignBytes><RequestId>10E7EBD8E65927DE</RequestId><HostId>pBT7DxVYUvGQZKp7D8I74PM26rseep9kZYTebpZZF/dA4+rW5xBJxiAfc+bZae4J</HostId></Error>