ptr.pet
knotserver: return the build version at /version
Version is currently set during build time using ldflags, but if not, it
will attempt to pick up the Go module version (if installed via 'go
install' or 'go get', for example).
anirudh.fi
+1
-1
.air/knotserver.toml
+1
-1
.air/knotserver.toml
+30
knotserver/handler.go
+30
knotserver/handler.go
···
5
5
"fmt"
6
6
"log/slog"
7
7
"net/http"
8
+
"runtime/debug"
8
9
9
10
"github.com/go-chi/chi/v5"
10
11
"tangled.sh/tangled.sh/core/jetstream"
···
66
67
}
67
68
68
69
r.Get("/", h.Index)
70
+
r.Get("/version", h.Version)
69
71
r.Route("/{did}", func(r chi.Router) {
70
72
// Repo routes
71
73
r.Route("/{name}", func(r chi.Router) {
···
124
126
125
127
return r, nil
126
128
}
129
+
130
+
// version is set during build time.
131
+
var version string
132
+
133
+
func (h *Handle) Version(w http.ResponseWriter, r *http.Request) {
134
+
if version == "" {
135
+
info, ok := debug.ReadBuildInfo()
136
+
if !ok {
137
+
http.Error(w, "failed to read build info", http.StatusInternalServerError)
138
+
return
139
+
}
140
+
141
+
var modVer string
142
+
for _, mod := range info.Deps {
143
+
if mod.Path == "tangled.sh/tangled.sh/knotserver" {
144
+
version = mod.Version
145
+
break
146
+
}
147
+
}
148
+
149
+
if modVer == "" {
150
+
version = "unknown"
151
+
}
152
+
}
153
+
154
+
w.Header().Set("Content-Type", "text/plain")
155
+
fmt.Fprintf(w, "knotserver/%s", version)
156
+
}