File / directory based executable conditions

[jahvon]

Extend the conditional execution system to support file and directory-based conditions. This would allow executables to run conditionally based on file existence, absence, or modification state, enabling more intelligent workflow automation.

File Existence Checks

executables:
  - name: setup-project
    serial:
      execs:
        - if: not fileExists("docker-compose.yml")
          cmd: docker-compose up -d postgres
        - if: fileExists("package.json") and not fileExists("node_modules")
          cmd: npm install

Directory Conditions

executables:
  - name: init-project
    serial:
      execs:
        - if: not dirExists(".git")
          cmd: git init
        - if: fileExists("requirements.txt") and not dirExists("venv")
          cmd: python -m venv venv

File Modification Tracking

executables:
  - name: build-pipeline
    serial:
      execs:
        - if: fileNewer("src/", "dist/") or not dirExists("dist")
          cmd: npm run build
        - if: fileChanged("**/*.go") or env["FORCE_TEST"] == "true"
          cmd: go test ./...

Content-Based Conditions

executables:
  - name: deployment-check
    parallel:
      execs:
        - if: fileChanged("Dockerfile") or fileChanged("go.mod")
          cmd: docker build -t myapp .
        - if: fileNewer("migrations/", ".last-migration")
          cmd: migrate up

Condition Functions

Basic File Operations

• fileExists(path) - Check if file exists
• dirExists(path) - Check if directory exists
• fileEmpty(path) - Check if file is empty
• dirEmpty(path) - Check if directory is empty

Modification Tracking

• fileNewer(source, target) - Check if source is newer than target
• fileChanged(pattern) - Check if files matching pattern changed since last run
• fileModified(path, duration) - Check if file modified within duration
• dirModified(path, duration) - Check if any file in directory modified

Advanced Patterns

• fileMatches(path, pattern) - Check if file content matches regex
• fileSize(path, operator, size) - Check file size conditions
• glob(pattern) - Return files matching glob pattern for further checks