80e33e22ce
Since the default branch name has already changed for GitHub and is likely to change for Git in the future, let's suggest people use the new default branch name, main. The example is arbitrary and doesn't matter much, but picking what is likely to be the default will be less confusing.
147 lines
3.8 KiB
Go
147 lines
3.8 KiB
Go
package commands
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import (
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"os"
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"github.com/git-lfs/git-lfs/errors"
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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/git-lfs/git-lfs/tq"
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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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// 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 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 main`)")
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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 := cfg.SetValidPushRemote(args[0]); err != nil {
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Exit("Invalid remote name %q: %s", args[0], err)
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}
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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 uploadsBetweenRefAndRemote(ctx *uploadContext, refnames []string) {
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tracerx.Printf("Upload refs %v to remote %v", refnames, ctx.Remote)
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updates, err := lfsPushRefs(refnames, pushAll)
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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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if err := uploadForRefUpdates(ctx, updates, pushAll); err != nil {
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ExitWithError(err)
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}
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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 i, oid := range oids {
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mp, err := ctx.gitfilter.ObjectPath(oid)
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if err != nil {
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ExitWithError(errors.Wrap(err, "Unable to find local media path:"))
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}
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stat, err := os.Stat(mp)
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if err != nil {
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ExitWithError(errors.Wrap(err, "Unable to stat local media path"))
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}
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pointers[i] = &lfs.WrappedPointer{
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Name: mp,
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Pointer: &lfs.Pointer{
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Oid: oid,
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Size: stat.Size(),
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},
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}
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}
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q := ctx.NewQueue(tq.RemoteRef(currentRemoteRef()))
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ctx.UploadPointers(q, pointers...)
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ctx.CollectErrors(q)
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ctx.ReportErrors()
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}
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// lfsPushRefs returns valid ref updates from the given ref and --all arguments.
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// Either one or more refs can be explicitly specified, or --all indicates all
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// local refs are pushed.
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func lfsPushRefs(refnames []string, pushAll bool) ([]*git.RefUpdate, 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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refs := make([]*git.RefUpdate, len(localrefs))
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for i, lr := range localrefs {
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refs[i] = git.NewRefUpdate(cfg.Git, cfg.PushRemote(), lr, nil)
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}
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return refs, 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.RefUpdate, len(refnames))
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for i, name := range refnames {
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if left, ok := reflookup[name]; ok {
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refs[i] = git.NewRefUpdate(cfg.Git, cfg.PushRemote(), left, nil)
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} else {
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left := &git.Ref{Name: name, Type: git.RefTypeOther, Sha: name}
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refs[i] = git.NewRefUpdate(cfg.Git, cfg.PushRemote(), left, nil)
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}
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}
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return refs, nil
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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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