Errors Installing... about homebridge-alexa HOT 4 CLOSED

MacMiniServer:~ Chris$ sudo npm install -g --unsafe-perm https://github.com/NorthernMan54/homebridge
Password:
npm ERR! code 1
npm ERR! Command failed: /usr/local/bin/git clone -q https://github.com/NorthernMan54/homebridge.git /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd
npm ERR! /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd/.git: Permission denied
npm ERR! 

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/Chris/.npm/_logs/2018-02-12T12_38_48_010Z-debug.log

0 info it worked if it ends with ok
1 verbose cli [ '/usr/local/Cellar/node/9.5.0/bin/node',
1 verbose cli   '/usr/local/bin/npm',
1 verbose cli   'install',
1 verbose cli   '-g',
1 verbose cli   '--unsafe-perm',
1 verbose cli   'https://github.com/NorthernMan54/homebridge' ]
2 info using [email protected]
3 info using [email protected]
4 verbose npm-session a0b930322c356951
5 silly install loadCurrentTree
6 silly install readGlobalPackageData
7 silly fetchPackageMetaData error for git+https://github.com/NorthernMan54/homebridge.git Command failed: /usr/local/bin/git clone -q https://github.com/NorthernMan54/homebridge.git /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd
7 silly fetchPackageMetaData /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd/.git: Permission denied
8 verbose stack Error: Command failed: /usr/local/bin/git clone -q https://github.com/NorthernMan54/homebridge.git /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd
8 verbose stack /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd/.git: Permission denied
8 verbose stack
8 verbose stack     at ChildProcess.exithandler (child_process.js:272:12)
8 verbose stack     at ChildProcess.emit (events.js:160:13)
8 verbose stack     at maybeClose (internal/child_process.js:943:16)
8 verbose stack     at Socket.stream.socket.on (internal/child_process.js:363:11)
8 verbose stack     at Socket.emit (events.js:160:13)
8 verbose stack     at Pipe._handle.close [as _onclose] (net.js:562:12)
9 verbose cwd /Users/Chris
10 verbose Darwin 17.4.0
11 verbose argv "/usr/local/Cellar/node/9.5.0/bin/node" "/usr/local/bin/npm" "install" "-g" "--unsafe-perm" "https://github.com/NorthernMan54/homebridge"
12 verbose node v9.5.0
13 verbose npm  v5.6.0
14 error code 1
15 error Command failed: /usr/local/bin/git clone -q https://github.com/NorthernMan54/homebridge.git /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd
15 error /Users/Chris/.npm/_cacache/tmp/git-clone-7e53c0bd/.git: Permission denied
16 verbose exit [ 1, true ]