Monorepo for Tangled
tangled.org
knotserver/xrpc: introduce sh.tangled.repo.tag to get a single tag
produces info about a single tag object
Signed-off-by: oppiliappan <me@oppi.li>
author
oppiliappan
committer
![]()
tangled.org
date
(Feb 6, 2026, 8:11 AM UTC)
commit
a2e81892
a2e81892f7bd167538676122258be198c7343df7
parent
eaaec770
eaaec7704c101b8ed53d8b5b6913f456fff1888b
change-id
yotqsqyu
yotqsqyuqkuzvulklvnprvrmqxqzmlol
+166
+33
api/tangled/repotag.go
+33
api/tangled/repotag.go
···
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// Code generated by cmd/lexgen (see Makefile's lexgen); DO NOT EDIT.
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package tangled
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// schema: sh.tangled.repo.tag
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import (
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"bytes"
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"context"
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"github.com/bluesky-social/indigo/lex/util"
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)
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const (
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RepoTagNSID = "sh.tangled.repo.tag"
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)
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// RepoTag calls the XRPC method "sh.tangled.repo.tag".
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//
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// repo: Repository identifier in format 'did:plc:.../repoName'
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// tag: Name of tag, such as v1.3.0
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func RepoTag(ctx context.Context, c util.LexClient, repo string, tag string) ([]byte, error) {
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buf := new(bytes.Buffer)
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params := map[string]interface{}{}
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params["repo"] = repo
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params["tag"] = tag
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if err := c.LexDo(ctx, util.Query, "", "sh.tangled.repo.tag", params, nil, buf); err != nil {
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return nil, err
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}
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return buf.Bytes(), nil
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}
+85
knotserver/xrpc/repo_tag.go
+85
knotserver/xrpc/repo_tag.go
···
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package xrpc
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import (
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"fmt"
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"net/http"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/object"
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"tangled.org/core/knotserver/git"
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"tangled.org/core/types"
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xrpcerr "tangled.org/core/xrpc/errors"
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)
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func (x *Xrpc) RepoTag(w http.ResponseWriter, r *http.Request) {
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repo := r.URL.Query().Get("repo")
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repoPath, err := x.parseRepoParam(repo)
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if err != nil {
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writeError(w, err.(xrpcerr.XrpcError), http.StatusBadRequest)
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return
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}
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tagName := r.URL.Query().Get("tag")
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if tagName == "" {
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writeError(w, xrpcerr.NewXrpcError(
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xrpcerr.WithTag("InvalidRequest"),
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xrpcerr.WithMessage("missing name parameter"),
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), http.StatusBadRequest)
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return
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}
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gr, err := git.PlainOpen(repoPath)
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if err != nil {
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x.Logger.Error("failed to open", "error", err)
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writeError(w, xrpcerr.RepoNotFoundError, http.StatusNoContent)
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return
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}
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// if this is not already formatted as refs/tags/v0.1.0, then format it
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if !plumbing.ReferenceName(tagName).IsTag() {
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tagName = plumbing.NewTagReferenceName(tagName).String()
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}
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tags, err := gr.Tags(&git.TagsOptions{
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Pattern: tagName,
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})
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if len(tags) != 1 {
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writeError(w, xrpcerr.NewXrpcError(
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xrpcerr.WithTag("TagNotFound"),
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xrpcerr.WithMessage(fmt.Sprintf("expected 1 tag to be returned, got %d tags", len(tags))),
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), http.StatusBadRequest)
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return
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}
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tag := tags[0]
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if err != nil {
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x.Logger.Warn("getting tags", "error", err.Error())
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tags = []object.Tag{}
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}
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var target *object.Tag
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if tag.Target != plumbing.ZeroHash {
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target = &tag
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}
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tr := types.TagReference{
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Tag: target,
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}
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tr.Reference = types.Reference{
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Name: tag.Name,
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Hash: tag.Hash.String(),
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}
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if tag.Message != "" {
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tr.Message = tag.Message
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}
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response := types.RepoTagResponse{
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Tag: &tr,
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}
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writeJson(w, response)
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}
+1
knotserver/xrpc/xrpc.go
+1
knotserver/xrpc/xrpc.go
···
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r.Get("/"+tangled.RepoLogNSID, x.RepoLog)
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r.Get("/"+tangled.RepoBranchesNSID, x.RepoBranches)
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r.Get("/"+tangled.RepoTagsNSID, x.RepoTags)
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r.Get("/"+tangled.RepoTagNSID, x.RepoTag)
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r.Get("/"+tangled.RepoBlobNSID, x.RepoBlob)
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r.Get("/"+tangled.RepoDiffNSID, x.RepoDiff)
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r.Get("/"+tangled.RepoCompareNSID, x.RepoCompare)
+43
lexicons/repo/tag.json
+43
lexicons/repo/tag.json
···
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{
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"lexicon": 1,
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"id": "sh.tangled.repo.tag",
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"defs": {
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"main": {
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"type": "query",
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"parameters": {
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"type": "params",
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"required": [
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"repo",
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"tag"
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],
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"properties": {
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"repo": {
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"type": "string",
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"description": "Repository identifier in format 'did:plc:.../repoName'"
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},
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"tag": {
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"type": "string",
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"description": "Name of tag, such as v1.3.0"
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}
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}
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},
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"output": {
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"encoding": "*/*"
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},
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"errors": [
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{
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"name": "RepoNotFound",
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"description": "Repository not found or access denied"
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},
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{
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"name": "TagNotFound",
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"description": "Tag not found"
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},
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{
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"name": "InvalidRequest",
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"description": "Invalid request parameters"
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}
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]
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}
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}
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}