Deploy key doesn't work in multiple repositories (rw / r)

[FloMiau]

• Gitea version (or commit ref): 1546458 / 1.4.1
• Git version: 2.7.4
• Operating system: Ubuntu 16.04.4 LTS
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL)
  • No
  • Not relevant
• Log gist:

xorm.log
2018/05/13 11:50:57 [I] [SQL] SELECT `id`, `key_id`, `repo_id`, `name`, `fingerprint`, `mode`, `created_unix`, `updated_unix` FROM `deploy_key` WHERE (key_id = ? AND repo_id = ?) LIMIT 1 []interface {}{3, 8}

Description

I tried to add a deploy key with different read/write settings to multiple repositories:

1. add deploy key to repository 1 as read/write
2. add same deploy key to repository 2 as read

Result:
deploy key in repository 1 works
deploy key in repository 1 doesn't work

git clone git@try.gitea.io:flori/test1.git
Cloning into 'test1'...
The authenticity of host 'try.gitea.io (2604:a880:400:d1::6b0:2001)' can't be established.
ECDSA key fingerprint is SHA256:ZALpHWW7Q1lMvG/9K2EJPApn6XiO4hx2/PN/zWcY7CI.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'try.gitea.io,2604:a880:400:d1::6b0:2001' (ECDSA) to the list of known hosts.
remote: Counting objects: 5, done.
remote: Compressing objects: 100% (4/4), done.
remote: Total 5 (delta 0), reused 0 (delta 0)
Receiving objects: 100% (5/5), done.
Checking connectivity... done.

Cloning into 'test2'...
Gitea: Key access denied
Deploy key access denied: [key_id: 247, repo_id: 5568]
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

Screenshots

[lafriks]

Currently it is not supported to reuse key on multiple repositories

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs during the next 2 weeks. Thank you for your contributions.

[zeripath]

This should be fixed by #5939

Therefore I'm going to close this.