Reuse cache entries for identical file contents

[StantonMatt]

Fixes #224.

This changes readable file cache keys to use the file fingerprint instead of the path-derived key, so identical files copied into separate release directories can share the same cache entry. The existing sanitized path key remains as the fallback for unreadable or unknown paths.

Tests:

• docker run --rm -v "$PWD:/app" -w /app composer:2 vendor/bin/phpunit --no-progress --testdox --do-not-cache-result --testsuite cache
• docker run --rm -v "$PWD:/app" -w /app composer:2 vendor/bin/phpunit --no-progress --testdox --do-not-cache-result
• git diff --check

[llaville]

Confirmed by running your code in real conditions too !

First Run

bin/phplint lint tests/Cache/Fixtures/releases/ --extensions fixture -vv

  RUN  '/usr/local/bin/php' '-d error_reporting=E_ALL' '-d display_errors=On' '-d memory_limit=-1' '-l' '-n' '/shared/backups/forks/phplint-cache/tests/Cache/Fixtures/releases/3119/test.fixture'
  RUN  '/usr/local/bin/php' '-d error_reporting=E_ALL' '-d display_errors=On' '-d memory_limit=-1' '-l' '-n' '/shared/backups/forks/phplint-cache/tests/Cache/Fixtures/releases/3118/test.fixture'
  RES  Command ran successfully
  RES  Command ran successfully

phplint 9.7.x-dev@3e93b16 by overtrue and contributors.

Runtime       : PHP 8.2.31
Configuration : /shared/backups/forks/phplint-cache/.phplint.yml

┌──────────────────┬────────────────────────────────────┐
│ Name             │ Value                              │
├──────────────────┼────────────────────────────────────┤
│ path             │ ["tests/Cache/Fixtures/releases/"] │
├──────────────────┼────────────────────────────────────┤
│ configuration    │ ".phplint.yml"                     │
│ no-configuration │ false                              │
│ exclude          │ ["vendor"]                         │
│ extensions       │ ["fixture"]                        │
│ jobs             │ 10                                 │
│ no-cache         │ false                              │
│ cache            │ ".phplint.cache"                   │
│ cache-dir        │ ".phplint.cache"                   │
│ cache-ttl        │ 3600                               │
│ no-progress      │ false                              │
│ progress         │ "printer"                          │
│ output           │ null                               │
│ format           │ ["console"]                        │
│ warning          │ true                               │
│ memory-limit     │ -1                                 │
│ ignore-exit-code │ false                              │
│ bootstrap        │ ""                                 │
└──────────────────┴────────────────────────────────────┘


Time: 35 ms, Memory: 8.0 MiB, Cache: 0 hit, 2 misses, Processes: 2


 [OK] 2 files

Second Run

bin/phplint lint tests/Cache/Fixtures/releases/ --extensions fixture -vv

phplint 9.7.x-dev@3e93b16 by overtrue and contributors.

Runtime       : PHP 8.2.31
Configuration : /shared/backups/forks/phplint-cache/.phplint.yml

┌──────────────────┬────────────────────────────────────┐
│ Name             │ Value                              │
├──────────────────┼────────────────────────────────────┤
│ path             │ ["tests/Cache/Fixtures/releases/"] │
├──────────────────┼────────────────────────────────────┤
│ configuration    │ ".phplint.yml"                     │
│ no-configuration │ false                              │
│ exclude          │ ["vendor"]                         │
│ extensions       │ ["fixture"]                        │
│ jobs             │ 10                                 │
│ no-cache         │ false                              │
│ cache            │ ".phplint.cache"                   │
│ cache-dir        │ ".phplint.cache"                   │
│ cache-ttl        │ 3600                               │
│ no-progress      │ false                              │
│ progress         │ "printer"                          │
│ output           │ null                               │
│ format           │ ["console"]                        │
│ warning          │ true                               │
│ memory-limit     │ -1                                 │
│ ignore-exit-code │ false                              │
│ bootstrap        │ ""                                 │
└──────────────────┴────────────────────────────────────┘


Time: 5 ms, Memory: 8.0 MiB, Cache: 2 hits, 0 miss, Process: 0


 [OK] 2 files

Great Job @StantonMatt