mirror of
https://github.com/go-gitea/gitea
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baadb51445
* Add copyright Signed-off-by: jolheiser <john.olheiser@gmail.com> * Add gitea-vet and fix non-compliance Signed-off-by: jolheiser <john.olheiser@gmail.com> * Combine tools.go into build.go and clean up Signed-off-by: jolheiser <john.olheiser@gmail.com> * Remove extra GO111MODULE=on Signed-off-by: jolheiser <john.olheiser@gmail.com>
93 lines
2.5 KiB
Go
Vendored
93 lines
2.5 KiB
Go
Vendored
package analysisflags
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"sort"
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"strings"
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"golang.org/x/tools/go/analysis"
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)
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const help = `PROGNAME is a tool for static analysis of Go programs.
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PROGNAME examines Go source code and reports suspicious constructs,
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such as Printf calls whose arguments do not align with the format
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string. It uses heuristics that do not guarantee all reports are
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genuine problems, but it can find errors not caught by the compilers.
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`
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// Help implements the help subcommand for a multichecker or unitchecker
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// style command. The optional args specify the analyzers to describe.
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// Help calls log.Fatal if no such analyzer exists.
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func Help(progname string, analyzers []*analysis.Analyzer, args []string) {
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// No args: show summary of all analyzers.
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if len(args) == 0 {
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fmt.Println(strings.Replace(help, "PROGNAME", progname, -1))
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fmt.Println("Registered analyzers:")
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fmt.Println()
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sort.Slice(analyzers, func(i, j int) bool {
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return analyzers[i].Name < analyzers[j].Name
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})
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for _, a := range analyzers {
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title := strings.Split(a.Doc, "\n\n")[0]
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fmt.Printf(" %-12s %s\n", a.Name, title)
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}
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fmt.Println("\nBy default all analyzers are run.")
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fmt.Println("To select specific analyzers, use the -NAME flag for each one,")
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fmt.Println(" or -NAME=false to run all analyzers not explicitly disabled.")
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// Show only the core command-line flags.
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fmt.Println("\nCore flags:")
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fmt.Println()
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fs := flag.NewFlagSet("", flag.ExitOnError)
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flag.VisitAll(func(f *flag.Flag) {
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if !strings.Contains(f.Name, ".") {
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fs.Var(f.Value, f.Name, f.Usage)
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}
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})
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fs.SetOutput(os.Stdout)
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fs.PrintDefaults()
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fmt.Printf("\nTo see details and flags of a specific analyzer, run '%s help name'.\n", progname)
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return
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}
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// Show help on specific analyzer(s).
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outer:
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for _, arg := range args {
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for _, a := range analyzers {
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if a.Name == arg {
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paras := strings.Split(a.Doc, "\n\n")
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title := paras[0]
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fmt.Printf("%s: %s\n", a.Name, title)
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// Show only the flags relating to this analysis,
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// properly prefixed.
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first := true
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fs := flag.NewFlagSet(a.Name, flag.ExitOnError)
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a.Flags.VisitAll(func(f *flag.Flag) {
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if first {
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first = false
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fmt.Println("\nAnalyzer flags:")
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fmt.Println()
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}
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fs.Var(f.Value, a.Name+"."+f.Name, f.Usage)
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})
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fs.SetOutput(os.Stdout)
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fs.PrintDefaults()
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if len(paras) > 1 {
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fmt.Printf("\n%s\n", strings.Join(paras[1:], "\n\n"))
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}
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continue outer
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}
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}
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log.Fatalf("Analyzer %q not registered", arg)
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}
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}
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