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package main
import (
"bytes"
"encoding/json"
"github.com/fatih/color"
"os/exec"
"strings"
)
type FormulaInfo struct {
Name string `json:"name"`
Desc string `json:"desc"`
Homepage string `json:"homepage"`
License string `json:"license"`
Versions struct {
Stable string `json:"stable"`
} `json:"versions"`
Installed []struct {
Version string `json:"version"`
InstalledAsDependency bool `json:"installed_as_dependency"`
InstalledOnRequest bool `json:"installed_on_request"`
} `json:"installed"`
Outdated bool `json:"outdated"`
}
type CaskInfo struct {
Token string `json:"token"`
Name []string `json:"name"`
Desc string `json:"desc"`
Homepage string `json:"homepage"`
Installed string `json:"installed"`
AutoUpdates bool `json:"auto_updates"`
Outdated bool `json:"outdated"`
Version string `json:"version"`
}
// GetInfo fetches package info for both formulae and casks.
// It returns one of the two structs depending on the package type.
func GetBrewInfo(pkg string) (*FormulaInfo, *CaskInfo) {
out, err := exec.Command("brew", "info", "--json=v2", pkg).Output()
if err != nil {
printErrorAndExit("Error fetching info. Please check for typo.")
}
var data struct {
Formulae []FormulaInfo `json:"formulae"`
Casks []CaskInfo `json:"casks"`
}
if err := json.Unmarshal(out, &data); err != nil {
printErrorAndExit("Error parsing data.")
}
if len(data.Formulae) > 0 {
return &data.Formulae[0], nil
}
if len(data.Casks) > 0 {
return nil, &data.Casks[0]
}
return nil, nil // not found
}
func GetBrewUses(pkg string) []string {
cmd := exec.Command("brew", "uses", "--installed", pkg)
var out bytes.Buffer
cmd.Stdout = &out
if err := cmd.Run(); err != nil {
color.Red("❌ Error fetching reverse dependencies.")
return []string{}
}
// Each line is a formula name
lines := strings.Split(strings.TrimSpace(out.String()), "\n")
if len(lines) == 1 && lines[0] == "" {
return []string{}
}
return lines
}
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