1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
package main
import (
"flag"
"fmt"
"io"
"log/slog"
"maps"
"os"
"slices"
"strings"
"github.com/jpappel/atlas/cmd"
"github.com/jpappel/atlas/pkg/data"
"github.com/jpappel/atlas/pkg/query"
"github.com/jpappel/atlas/pkg/shell"
"github.com/jpappel/atlas/pkg/util"
)
const VERSION = "0.4.1"
const ExitCommand = 2 // exit because of a command parsing error
func addGlobalFlagUsage(fs *flag.FlagSet) func() {
return func() {
f := fs.Output()
fmt.Fprintln(f, "Usage of", fs.Name())
fs.PrintDefaults()
fmt.Fprintln(f, "\nGlobal Flags:")
flag.PrintDefaults()
}
}
func main() {
globalFlags := cmd.GlobalFlags{}
cmd.SetupGlobalFlags(flag.CommandLine, &globalFlags)
indexFs := flag.NewFlagSet("index", flag.ExitOnError)
queryFs := flag.NewFlagSet("query", flag.ExitOnError)
shellFs := flag.NewFlagSet("debug", flag.ExitOnError)
serverFs := flag.NewFlagSet("server", flag.ExitOnError)
completionsFs := flag.NewFlagSet("completions", flag.ContinueOnError)
// set default usage for flagsets without subcommands
shellFs.Usage = addGlobalFlagUsage(shellFs)
serverFs.Usage = addGlobalFlagUsage(serverFs)
flag.Parse()
args := flag.Args()
queryFlags := cmd.QueryFlags{Outputer: query.DefaultOutput{}}
indexFlags := cmd.IndexFlags{}
serverFlags := cmd.ServerFlags{Port: 8080}
if len(args) < 1 {
fmt.Fprintln(os.Stderr, "No Command provided")
cmd.PrintHelp()
fmt.Fprintln(flag.CommandLine.Output(), "\nGlobal Flags:")
flag.PrintDefaults()
os.Exit(ExitCommand)
}
command := args[0]
switch command {
case "query", "q":
cmd.SetupQueryFlags(args[1:], queryFs, &queryFlags, globalFlags.DateFormat)
case "index", "i":
cmd.SetupIndexFlags(args[1:], indexFs, &indexFlags)
case "server":
cmd.SetupServerFlags(args[1:], serverFs, &serverFlags)
case "completions":
completionsFs.Parse(args[1:])
case "help":
cmd.PrintHelp()
flag.PrintDefaults()
return
case "shell":
shellFs.Parse(args[1:])
default:
fmt.Fprintln(os.Stderr, "Unrecognized command: ", command)
suggestedCommand, ok := util.Nearest(
command,
slices.Collect(maps.Keys(cmd.CommandHelp)),
util.LevensteinDistance, 3,
)
if ok {
fmt.Fprintf(os.Stderr, "Did you mean %s?\n\n", suggestedCommand)
}
cmd.PrintHelp()
os.Exit(ExitCommand)
}
slogLevel := &slog.LevelVar{}
loggerOpts := &slog.HandlerOptions{Level: slogLevel}
switch globalFlags.LogLevel {
case "debug":
slogLevel.Set(slog.LevelDebug)
loggerOpts.AddSource = true
case "info":
slogLevel.Set(slog.LevelInfo)
case "warn":
slogLevel.Set(slog.LevelWarn)
case "error":
slogLevel.Set(slog.LevelError)
default:
fmt.Fprintln(os.Stderr, "Unrecognized log level:", globalFlags.LogLevel)
os.Exit(ExitCommand)
}
var logFile *os.File
var err error
switch globalFlags.LogFile {
case "":
logFile = os.Stderr
case "-":
logFile = os.Stdout
default:
logFile, err = os.Create(globalFlags.LogFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot use log file `%s`: %s", globalFlags.LogFile, err)
os.Exit(1)
}
defer logFile.Close()
}
var logHandler slog.Handler
if globalFlags.LogJson {
logHandler = slog.NewJSONHandler(logFile, loggerOpts)
} else {
// strip time
loggerOpts.ReplaceAttr = func(groups []string, a slog.Attr) slog.Attr {
if a.Key == slog.TimeKey && len(groups) == 0 {
return slog.Attr{}
}
return a
}
logHandler = slog.NewTextHandler(logFile, loggerOpts)
}
logger := slog.New(logHandler)
slog.SetDefault(logger)
querier := data.NewQuery(globalFlags.DBPath)
// command specific
var exitCode int
switch command {
case "query", "q":
searchQuery := strings.Join(queryFs.Args(), " ")
exitCode = int(cmd.RunQuery(globalFlags, queryFlags, querier, searchQuery))
case "index", "i":
exitCode = int(cmd.RunIndex(globalFlags, indexFlags, querier))
case "server":
exitCode = int(cmd.RunServer(serverFlags, querier))
case "completions":
lang := completionsFs.Arg(0)
switch lang {
case "zsh":
cmd.ZshCompletions()
default:
fmt.Fprintf(os.Stderr, "Unrecognized completion language `%s`\n", lang)
fmt.Fprintf(os.Stderr, "Usage %s completions <language>\n", os.Args[0])
fmt.Fprintln(os.Stderr, "Supported languages: zsh")
exitCode = 2
}
case "shell":
state := make(shell.State)
env := make(map[string]string)
env["workers"] = fmt.Sprint(globalFlags.NumWorkers)
env["db_path"] = globalFlags.DBPath
env["index_root"] = globalFlags.IndexRoot
env["version"] = VERSION
interpreter := shell.NewInterpreter(state, env, globalFlags.NumWorkers, querier)
if err := interpreter.Run(); err != nil && err != io.EOF {
slog.Error("Fatal error occured", slog.String("err", err.Error()))
exitCode = 1
}
}
querier.Close()
os.Exit(exitCode)
}
|
