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package shell
import (
"fmt"
"os"
"path/filepath"
"src.elv.sh/pkg/daemon/daemondefs"
"src.elv.sh/pkg/env"
"src.elv.sh/pkg/prog"
)
func rcPath() (string, error) {
if configHome := os.Getenv(env.XDG_CONFIG_HOME); configHome != "" {
return filepath.Join(configHome, "elvish", "rc.elv"), nil
} else if configHome, err := defaultConfigHome(); err == nil {
return filepath.Join(configHome, "elvish", "rc.elv"), nil
} else {
return "", fmt.Errorf("find rc.elv: %w", err)
}
}
func libPaths() ([]string, error) {
var paths []string
if configHome := os.Getenv(env.XDG_CONFIG_HOME); configHome != "" {
paths = append(paths, filepath.Join(configHome, "elvish", "lib"))
} else if configHome, err := defaultConfigHome(); err == nil {
paths = append(paths, filepath.Join(configHome, "elvish", "lib"))
} else {
return nil, fmt.Errorf("find roaming lib directory: %w", err)
}
if dataHome := os.Getenv(env.XDG_DATA_HOME); dataHome != "" {
paths = append(paths, filepath.Join(dataHome, "elvish", "lib"))
} else if dataHome, err := defaultDataHome(); err == nil {
paths = append(paths, filepath.Join(dataHome, "elvish", "lib"))
} else {
return nil, fmt.Errorf("find local lib directory: %w", err)
}
if dataDirs := os.Getenv(env.XDG_DATA_DIRS); dataDirs != "" {
// XDG requires the paths be joined with ":". However, on Windows ":"
// appear after the drive letter, so it's infeasible to use it to also
// join paths.
for _, dataDir := range filepath.SplitList(dataDirs) {
paths = append(paths, filepath.Join(dataDir, "elvish", "lib"))
}
} else {
paths = append(paths, defaultDataDirs...)
}
return paths, nil
}
// Returns a SpawnConfig containing all the paths needed by the daemon. It
// respects overrides of sock and db from CLI flags.
func daemonPaths(p *prog.DaemonPaths) (*daemondefs.SpawnConfig, error) {
runDir, err := secureRunDir()
if err != nil {
return nil, err
}
sock := p.Sock
if sock == "" {
sock = filepath.Join(runDir, "sock")
}
db := p.DB
if db == "" {
var err error
db, err = dbPath()
if err != nil {
return nil, err
}
err = os.MkdirAll(filepath.Dir(db), 0700)
if err != nil {
return nil, err
}
}
return &daemondefs.SpawnConfig{DbPath: db, SockPath: sock, RunDir: runDir}, nil
}
func dbPath() (string, error) {
if stateHome := os.Getenv(env.XDG_STATE_HOME); stateHome != "" {
return filepath.Join(stateHome, "elvish", "db.bolt"), nil
} else if stateHome, err := defaultStateHome(); err == nil {
return filepath.Join(stateHome, "elvish", "db.bolt"), nil
} else {
return "", fmt.Errorf("find db: %w", err)
}
}
|
