go list命令
###########

usage::

    $ go list [-f format] [-json] [-m] [list flags] [build flags] [packages]

flag::

    最常用的flags是-json和-f(指定输出格式)

    -m: 指定mod模式

实例::

    # 显示所有Import库信息(使用Mod模式)
    $ go list -m -json all

    # 指定package
    $ go list -m -json github.com/zhaoweiguo/demo-go


flag: -f
========

default::

    -f '{{.ImportPath}}'

可选项::

    type Package struct {
        Dir           string   // directory containing package sources
        ImportPath    string   // import path of package in dir
        ImportComment string   // path in import comment on package statement
        Name          string   // package name
        Doc           string   // package documentation string
        Target        string   // install path
        Shlib         string   // the shared library that contains this package (only set when -linkshared)
        Goroot        bool     // is this package in the Go root?
        Standard      bool     // is this package part of the standard Go library?
        Stale         bool     // would 'go install' do anything for this package?
        StaleReason   string   // explanation for Stale==true
        Root          string   // Go root or Go path dir containing this package
        ConflictDir   string   // this directory shadows Dir in $GOPATH
        BinaryOnly    bool     // binary-only package (no longer supported)
        ForTest       string   // package is only for use in named test
        Export        string   // file containing export data (when using -export)
        Module        *Module  // info about package's containing module, if any (can be nil)
        Match         []string // command-line patterns matching this package
        DepOnly       bool     // package is only a dependency, not explicitly listed

        // Source files
        GoFiles         []string // .go source files (excluding CgoFiles, TestGoFiles, XTestGoFiles)
        CgoFiles        []string // .go source files that import "C"
        CompiledGoFiles []string // .go files presented to compiler (when using -compiled)
        IgnoredGoFiles  []string // .go source files ignored due to build constraints
        CFiles          []string // .c source files
        CXXFiles        []string // .cc, .cxx and .cpp source files
        MFiles          []string // .m source files
        HFiles          []string // .h, .hh, .hpp and .hxx source files
        FFiles          []string // .f, .F, .for and .f90 Fortran source files
        SFiles          []string // .s source files
        SwigFiles       []string // .swig files
        SwigCXXFiles    []string // .swigcxx files
        SysoFiles       []string // .syso object files to add to archive
        TestGoFiles     []string // _test.go files in package
        XTestGoFiles    []string // _test.go files outside package

        // Cgo directives
        CgoCFLAGS    []string // cgo: flags for C compiler
        CgoCPPFLAGS  []string // cgo: flags for C preprocessor
        CgoCXXFLAGS  []string // cgo: flags for C++ compiler
        CgoFFLAGS    []string // cgo: flags for Fortran compiler
        CgoLDFLAGS   []string // cgo: flags for linker
        CgoPkgConfig []string // cgo: pkg-config names

        // Dependency information
        Imports      []string          // import paths used by this package
        ImportMap    map[string]string // map from source import to ImportPath (identity entries omitted)
        Deps         []string          // all (recursively) imported dependencies
        TestImports  []string          // imports from TestGoFiles
        XTestImports []string          // imports from XTestGoFiles

        // Error information
        Incomplete bool            // this package or a dependency has an error
        Error      *PackageError   // error loading package
        DepsErrors []*PackageError // errors loading dependencies
    }