136 lines
3.3 KiB
Go
136 lines
3.3 KiB
Go
package commands
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import (
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"os"
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"github.com/git-lfs/git-lfs/git"
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"github.com/git-lfs/git-lfs/lfs"
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"github.com/rubyist/tracerx"
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"github.com/spf13/cobra"
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)
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var (
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pushDryRun = false
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pushObjectIDs = false
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pushAll = false
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useStdin = false
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// shares some global vars and functions with command_pre_push.go
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)
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func uploadsBetweenRefAndRemote(ctx *uploadContext, refnames []string) {
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tracerx.Printf("Upload refs %v to remote %v", refnames, cfg.CurrentRemote)
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gitscanner := lfs.NewGitScanner(nil)
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if err := gitscanner.RemoteForPush(cfg.CurrentRemote); err != nil {
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ExitWithError(err)
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}
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defer gitscanner.Close()
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refs, err := refsByNames(refnames)
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if err != nil {
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Error(err.Error())
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Exit("Error getting local refs.")
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}
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for _, ref := range refs {
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pointerCh, err := scanLeftOrAll(gitscanner, ref.Name)
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if err != nil {
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Panic(err, "Error scanning for Git LFS files in the %q ref", ref.Name)
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}
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upload(ctx, pointerCh)
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}
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}
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func scanLeftOrAll(g *lfs.GitScanner, ref string) (*lfs.PointerChannelWrapper, error) {
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if pushAll {
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return g.ScanRefWithDeleted(ref)
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}
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return g.ScanLeftToRemote(ref)
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}
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func uploadsWithObjectIDs(ctx *uploadContext, oids []string) {
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pointers := make([]*lfs.WrappedPointer, len(oids))
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for idx, oid := range oids {
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pointers[idx] = &lfs.WrappedPointer{Pointer: &lfs.Pointer{Oid: oid}}
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}
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uploadPointers(ctx, pointers)
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}
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func refsByNames(refnames []string) ([]*git.Ref, error) {
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localrefs, err := git.LocalRefs()
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if err != nil {
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return nil, err
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}
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if pushAll && len(refnames) == 0 {
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return localrefs, nil
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}
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reflookup := make(map[string]*git.Ref, len(localrefs))
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for _, ref := range localrefs {
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reflookup[ref.Name] = ref
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}
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refs := make([]*git.Ref, len(refnames))
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for i, name := range refnames {
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if ref, ok := reflookup[name]; ok {
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refs[i] = ref
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} else {
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refs[i] = &git.Ref{name, git.RefTypeOther, name}
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}
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}
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return refs, nil
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}
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// pushCommand pushes local objects to a Git LFS server. It takes two
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// arguments:
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//
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// `<remote> <remote ref>`
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//
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// Remote must be a remote name, not a URL
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//
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// pushCommand calculates the git objects to send by looking comparing the range
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// of commits between the local and remote git servers.
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func pushCommand(cmd *cobra.Command, args []string) {
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if len(args) == 0 {
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Print("Specify a remote and a remote branch name (`git lfs push origin master`)")
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os.Exit(1)
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}
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requireGitVersion()
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// Remote is first arg
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if err := git.ValidateRemote(args[0]); err != nil {
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Exit("Invalid remote name %q", args[0])
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}
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cfg.CurrentRemote = args[0]
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ctx := newUploadContext(pushDryRun)
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if pushObjectIDs {
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if len(args) < 2 {
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Print("Usage: git lfs push --object-id <remote> <lfs-object-id> [lfs-object-id] ...")
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return
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}
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uploadsWithObjectIDs(ctx, args[1:])
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} else {
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if len(args) < 1 {
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Print("Usage: git lfs push --dry-run <remote> [ref]")
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return
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}
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uploadsBetweenRefAndRemote(ctx, args[1:])
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}
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}
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func init() {
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RegisterCommand("push", pushCommand, func(cmd *cobra.Command) {
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cmd.Flags().BoolVarP(&pushDryRun, "dry-run", "d", false, "Do everything except actually send the updates")
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cmd.Flags().BoolVarP(&pushObjectIDs, "object-id", "o", false, "Push LFS object ID(s)")
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cmd.Flags().BoolVarP(&pushAll, "all", "a", false, "Push all objects for the current ref to the remote.")
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})
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}
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