Silent fail/crash when no access to log files

[PinguTS]

Gitea silently crashes on startup, when the user has no access (read/write) to the log files.

• Gitea version (or commit ref): 1.6.0+rc1-221-g9863591dc
• Git version: 2.18.0
• Operating system: Debain Linux i386
• 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:

Description

The log files are not placed within the gitea directory structure but at /var/log/gitea/, like all other log files. The directory and the files within had only root access. Then the gitea web silently crashes. There is no information or indication about the problem to find in the console.

[stale]

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