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package commands
import (
"encoding/json"
"os"
"path/filepath"
"strings"
"github.com/git-lfs/git-lfs/v3/errors"
"github.com/git-lfs/git-lfs/v3/git"
"github.com/git-lfs/git-lfs/v3/lfs"
"github.com/git-lfs/git-lfs/v3/tools/humanize"
"github.com/git-lfs/git-lfs/v3/tr"
"github.com/spf13/cobra"
)
var (
longOIDs = false
lsFilesScanAll = false
lsFilesScanDeleted = false
lsFilesShowSize = false
lsFilesShowNameOnly = false
lsFilesJSON = false
debug = false
)
type lsFilesObject struct {
Name string `json:"name"`
Size int64 `json:"size"`
Checkout bool `json:"checkout"`
Downloaded bool `json:"downloaded"`
OidType string `json:"oid_type"`
Oid string `json:"oid"`
Version string `json:"version"`
}
func lsFilesCommand(cmd *cobra.Command, args []string) {
setupRepository()
var ref string
var includeRef string
var scanRange = false
if len(args) > 0 {
if lsFilesScanAll {
Exit(tr.Tr.Get("Cannot use --all with explicit reference"))
} else if args[0] == "--all" {
// Since --all is a valid argument to "git rev-parse",
// if we try to give it to git.ResolveRef below, we'll
// get an unexpected result.
//
// So, let's check early that the caller invoked the
// command correctly.
Exit(tr.Tr.Get("Did you mean `git lfs ls-files --all --` ?"))
}
ref = args[0]
if len(args) > 1 {
if lsFilesScanDeleted {
Exit(tr.Tr.Get("Cannot use --deleted with reference range"))
}
includeRef = args[1]
scanRange = true
}
} else {
fullref, err := git.CurrentRef()
if err != nil {
ref, err = git.EmptyTree()
if err != nil {
ExitWithError(errors.Wrap(
err, tr.Tr.Get("Could not read empty Git tree object")))
}
} else {
ref = fullref.Sha
}
}
showOidLen := 10
if longOIDs {
showOidLen = 64
}
seen := make(map[string]struct{})
var items []lsFilesObject
gitscanner := lfs.NewGitScanner(cfg, func(p *lfs.WrappedPointer, err error) {
if err != nil {
Exit(tr.Tr.Get("Could not scan for Git LFS tree: %s", err))
return
}
if p.Size == 0 {
return
}
if !lsFilesScanAll && !scanRange {
if _, ok := seen[p.Name]; ok {
return
}
}
if debug {
// TRANSLATORS: these strings should have the colons
// aligned in a column.
Print(
tr.Tr.Get("filepath: %s\n size: %d\ncheckout: %v\ndownload: %v\n oid: %s %s\n version: %s\n",
p.Name,
p.Size,
fileExistsOfSize(p),
cfg.LFSObjectExists(p.Oid, p.Size),
p.OidType,
p.Oid,
p.Version))
} else if lsFilesJSON {
items = append(items, lsFilesObject{
Name: p.Name,
Size: p.Size,
Checkout: fileExistsOfSize(p),
Downloaded: cfg.LFSObjectExists(p.Oid, p.Size),
OidType: p.OidType,
Oid: p.Oid,
Version: p.Version,
})
} else {
msg := []string{p.Oid[:showOidLen], lsFilesMarker(p), p.Name}
if lsFilesShowNameOnly {
msg = []string{p.Name}
}
if lsFilesShowSize {
size := humanize.FormatBytes(uint64(p.Size))
msg = append(msg, "("+size+")")
}
Print(strings.Join(msg, " "))
}
seen[p.Name] = struct{}{}
})
includeArg, excludeArg := getIncludeExcludeArgs(cmd)
gitscanner.Filter = buildFilepathFilter(cfg, includeArg, excludeArg, false)
if len(args) == 0 {
// Only scan the index when "git lfs ls-files" was invoked with
// no arguments.
//
// Do so to avoid showing "mixed" results, e.g., ls-files output
// from a specific historical revision, and the index.
if err := gitscanner.ScanIndex(ref, "", nil); err != nil {
Exit(tr.Tr.Get("Could not scan for Git LFS index: %s", err))
}
}
if lsFilesScanAll {
if err := gitscanner.ScanAll(nil); err != nil {
Exit(tr.Tr.Get("Could not scan for Git LFS history: %s", err))
}
} else {
var err error
if lsFilesScanDeleted {
err = gitscanner.ScanRefWithDeleted(ref, nil)
} else if scanRange {
err = gitscanner.ScanRefRange(includeRef, ref, nil)
} else {
err = gitscanner.ScanTree(ref, nil)
}
if err != nil {
Exit(tr.Tr.Get("Could not scan for Git LFS tree: %s", err))
}
}
if lsFilesJSON {
data := struct {
Files []lsFilesObject `json:"files"`
}{Files: items}
encoder := json.NewEncoder(os.Stdout)
encoder.SetIndent("", " ")
if err := encoder.Encode(data); err != nil {
ExitWithError(err)
}
}
}
// Returns true if a pointer appears to be properly smudge on checkout
func fileExistsOfSize(p *lfs.WrappedPointer) bool {
path := cfg.Filesystem().DecodePathname(p.Name)
info, err := os.Stat(filepath.Join(cfg.LocalWorkingDir(), path))
return err == nil && info.Size() == p.Size
}
func lsFilesMarker(p *lfs.WrappedPointer) string {
if fileExistsOfSize(p) {
return "*"
}
return "-"
}
func init() {
RegisterCommand("ls-files", lsFilesCommand, func(cmd *cobra.Command) {
cmd.Flags().BoolVarP(&longOIDs, "long", "l", false, "")
cmd.Flags().BoolVarP(&lsFilesShowSize, "size", "s", false, "")
cmd.Flags().BoolVarP(&lsFilesShowNameOnly, "name-only", "n", false, "")
cmd.Flags().BoolVarP(&debug, "debug", "d", false, "")
cmd.Flags().BoolVarP(&lsFilesScanAll, "all", "a", false, "")
cmd.Flags().BoolVar(&lsFilesScanDeleted, "deleted", false, "")
cmd.Flags().StringVarP(&includeArg, "include", "I", "", "Include a list of paths")
cmd.Flags().StringVarP(&excludeArg, "exclude", "X", "", "Exclude a list of paths")
cmd.Flags().BoolVarP(&lsFilesJSON, "json", "", false, "print output in JSON")
})
}
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