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f1a4ffe72d* feat(linux): add libpath package for finding native library paths
Add a new internal/libpath package that locates shared libraries (.so files)
on Linux systems. Supports multiple distributions and package managers.
Features:
- Multi-tier search: pkg-config -> ldconfig -> filesystem scanning
- Parallel search using goroutines for faster lookups
- Cached dynamic path discovery for Flatpak, Snap, and Nix
- Support for Debian/Ubuntu, Fedora/RHEL, Arch, openSUSE, NixOS
- Context-aware cancellation for graceful shutdown
Performance:
- Library found: ~1.4ms (parallel search)
- Library not found: ~46ms (was 84ms sequential)
- Cached path discovery: 14ns (was 15ms uncached)
* feat(libpath): add multi-library parallel search functions
Add functions to search for multiple library candidates in parallel:
- FindFirstLibrary: Search multiple libs in parallel, return first found
- FindFirstLibraryOrdered: Search in order of preference (for version priority)
- FindAllLibraries: Find all available libraries from a list
Useful when the exact library version is unknown, e.g.:
match, _ := FindFirstLibrary("webkit2gtk-4.1", "webkit2gtk-4.0", "webkit2gtk-6.0")
Also adds findLibraryPathCtx for context-aware searching used by the
multi-library functions.
* refactor(libpath): split into separate files and fix race condition
Split libpath_linux.go into smaller, focused files:
- cache_linux.go: Path cache with thread-safe init/invalidate
- flatpak_linux.go: Flatpak runtime path discovery
- snap_linux.go: Snap package path discovery
- nix_linux.go: Nix/NixOS path discovery
- libpath_linux.go: Core search functions
Fixes:
- Fix data race between init() and invalidate() by holding mutex
during cache writes inside sync.Once.Do (CodeRabbit review)
- Fix FindLibraryPathWithOptions not searching dynamic paths
(Flatpak/Snap/Nix) - now uses GetAllLibPaths() (CodeRabbit review)
42 lines
997 B
Go
42 lines
997 B
Go
//go:build linux
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package libpath
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import (
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"os"
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"path/filepath"
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)
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// getSnapLibPaths returns cached library paths from installed Snap packages.
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func getSnapLibPaths() []string {
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return cache.getSnap()
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}
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// discoverSnapLibPaths scans for Snap package library directories.
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// Scans /snap/*/current/usr/lib* directories.
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func discoverSnapLibPaths() []string {
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var paths []string
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snapDir := "/snap"
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if _, err := os.Stat(snapDir); err != nil {
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return paths
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}
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// Find all snap packages with lib directories
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patterns := []string{
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filepath.Join(snapDir, "*", "current", "usr", "lib"),
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filepath.Join(snapDir, "*", "current", "usr", "lib64"),
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filepath.Join(snapDir, "*", "current", "usr", "lib", "*-linux-gnu"),
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filepath.Join(snapDir, "*", "current", "lib"),
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filepath.Join(snapDir, "*", "current", "lib", "*-linux-gnu"),
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}
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for _, pattern := range patterns {
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matches, err := filepath.Glob(pattern)
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if err == nil {
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paths = append(paths, matches...)
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}
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}
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return paths
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}
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