summaryrefslogtreecommitdiff
path: root/main.go
blob: fb50fa09b07cd08a70d5ea9d4957596c0e7dc556 (plain)
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
183
184
185
package main

import (
	"errors"
	"os"
	"strings"

	"go.wit.com/dev/alexflint/arg"
	"go.wit.com/lib/protobuf/forgepb"
	"go.wit.com/lib/protobuf/gitpb"
	"go.wit.com/log"
)

// sent via -ldflags
var VERSION string
var BUILDTIME string

var pp *arg.Parser
var forge *forgepb.Forge

// var check *gitpb.Repo
var configSave bool

func main() {
	var check *gitpb.Repo
	log.Info("go-mod-clean version", VERSION, "built on", BUILDTIME)
	pp = arg.MustParse(&argv)

	// load the ~/.config/forge/ config
	// this lets you configure repos you have read/write access too
	forge = forgepb.Init()

	if argv.All {
		// run this on every single repo
		// do this before publishing new golang versions
		all := forge.Repos.SortByGoPath()
		for all.Scan() {
			check = all.Next()
			if err := doMain(check); err != nil {
				badExit(check, err)
			}
		}
	} else {
		// figure out what directory we are running in
		check := findPwdRepo()
		if check == nil {
			log.Info("this directory isn't in a golang project (not in ~/go/src nor a go.work file)")
			os.Exit(-1)
		}

		if err := doMain(check); err != nil {
			badExit(check, err)
		}
	}

	if configSave {
		forge.ConfigSave()
	}

	log.Info("forge.FinalGoDepsCheck() worked :", check.GoPath)
	okExit(check, "go.sum seems clean")
}

func findPwdRepo() *gitpb.Repo {
	var check *gitpb.Repo
	// attempt to use the working directory
	// this is probably what happens most of the time
	pwd, _ := os.Getwd()
	if strings.HasPrefix(pwd, forge.GetGoSrc()) {
		gopath := strings.TrimPrefix(pwd, forge.GetGoSrc())
		gopath = strings.Trim(gopath, "/")
		log.Info("findRepo() trying gopath", gopath)
		check = forge.Repos.FindByGoPath(gopath)
		if check != nil {
			log.Info("findRepo() worked", check.GoPath)
			return check
		}
	}
	return nil
}

func saveAsMetadata(repo *gitpb.Repo) error {
	cname := repo.GetCurrentBranchName()
	if repo.GoPrimitive {
		if err := repo.AutogenSave([]string{"go.mod"}, cname, true); err != nil {
			return err
		}
	} else {
		if err := repo.AutogenSave([]string{"go.mod", "go.sum"}, cname, true); err != nil {
			return err
		}
	}
	return nil
}

func doMain(repo *gitpb.Repo) error {
	if !repo.IsValid() {
		log.Info(repo.GoPath, "is invalid. fix your repos.pb file with 'forge' first")
		log.Info("")
		log.Info("go install go.wit.com/apps/forge@latest")
		log.Info("")
		return errors.New(repo.GoPath + " is invalid. fix your repository list with 'forge' first")
	} else {
		log.Info(repo.GoPath, "is valid according to forge")
	}
	if err := repo.ValidGoSum(); err == nil {
		log.Info(repo.GoPath, "go.mod and go.sum are already valid")
		return nil
	}

	// skip restore if --force
	if !argv.Force {
		cname := repo.GetCurrentBranchName()
		// try to restore from the git metadata
		if err := repo.AutogenRestore(cname); err != nil {
			// ignore errors here
		}
		if err := repo.ValidGoSum(); err == nil {
			log.Info(repo.GoPath, "go.mod and go.sum were restored ok")
			configSave = true
			return nil
		}
	}

	if repo.GetMasterBranchName() != repo.GetCurrentBranchName() {
		log.Info("")
		log.Info("You can only run go-mod-clean on a git master branch.")
		log.Info("Publishing go.mod & go.sum files must come from from git version tag")
		log.Info("Anything else doesn't make sense.")
		log.Info("")
		return errors.New(repo.GoPath + " not in the git master branch")
	}

	ok, err := repoOwnsGoMod(repo)
	if err != nil {
		return err
	}
	// if ok, then git owns 'go.mod' and we can't really do anything
	// todo: ignore this with --force
	if ok {
		return nil
	} else {
		if forge.Config.IsReadOnly(repo.GoPath) {
			log.Info("skipping read only", repo.GoPath)
			return nil
		}
	}

	if repo.CheckDirty() {
		log.Info("")
		log.Info("You can not run this on dirty branches.")
		log.Info("")
		return errors.New(repo.GoPath + " git repo is dirty")
	}

	// re-create go.sum and go.mod
	if err := redoGoMod(repo); err != nil {
		return err
	}

	if argv.Trim {
		// try to trim junk
		if err := trimGoSum(repo); err != nil {
			return err
		}
	}

	// check go.sum file
	if err := cleanGoDepsCheckOk(repo); err != nil {
		log.Info("forge.FinalGoDepsCheck() failed. boo. :", repo.GoPath)
		return err
	}

	// put the files in the notes section in git
	// this way, git commits are not messed up
	// with this autogenerated code
	if err := saveAsMetadata(repo); err != nil {
		log.Info("save go.mod as git metadata failed", repo.GoPath, err)
		return err
	}

	// everything worked!
	configSave = true
	return nil
}