Make save mutex per-site

server/handlers.go

@@ -12,6 +12,7 @@ import (
 	"path"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	secretRequired "github.com/danielheath/gin-teeny-security"
@@ -39,6 +40,7 @@ type Site struct {
 	MaxUploadSize        uint
 	Logger               *lumber.ConsoleLogger
 
+	saveMut         sync.Mutex
 	sitemapUpToDate bool // TODO this makes everything use a pointer
 }
 
@@ -95,6 +97,7 @@ func Serve(
 		fileuploads,
 		maxUploadSize,
 		logger,
+		sync.Mutex{},
 		false,
 	}.Router()
 

server/page.go

@@ -9,7 +9,6 @@ import (
 	"regexp"
 	"sort"
 	"strings"
-	"sync"
 	"time"
 
 	"github.com/schollz/versionedtext"
@@ -164,11 +163,9 @@ func (p *Page) Render() {
 	p.RenderedPage = MarkdownToHtml(p.Text.GetCurrent())
 }
 
-var saveMut = sync.Mutex{}
-
 func (p *Page) Save() error {
-	saveMut.Lock()
-	defer saveMut.Unlock()
+	p.Site.saveMut.Lock()
+	defer p.Site.saveMut.Unlock()
 	bJSON, err := json.MarshalIndent(p, "", " ")
 	if err != nil {
 		return err