jsut in case

config/config.go

@@ -20,6 +20,7 @@ var (
 	OAuthServer     string
 	VersionInterval time.Duration
 	ReadOnly        bool
+	MaxSizeMB       int
 )
 
 func init() {
@@ -38,6 +39,7 @@ func Refresh() {
 	as.Append(args.STRING, "oauth", "oauth URL", "")
 	as.Append(args.DURATION, "version", "duration to mark versions", "0s")
 	as.Append(args.BOOL, "ro", "read-only mode", false)
+	as.Append(args.INT, "max-v-size", "max size in mb for versioning", 2)
 	if err := as.Parse(); err != nil {
 		panic(err)
 	}
@@ -67,6 +69,7 @@ func Refresh() {
 	OAuthServer = as.GetString("oauth")
 	VersionInterval = as.GetDuration("version")
 	ReadOnly = as.GetBool("ro")
+	MaxSizeMB = as.GetInt("max-v-size")
 }
 
 const defaultWrapper = `

server/notes.go

@@ -84,7 +84,6 @@ func (s *Server) htmlAttachments(w http.ResponseWriter, urlPath string) {
 	dir := path.Dir(urlPath)
 	f := "." + path.Base(urlPath) + ".attachments"
 	_, files, _ := s.Notes.Dir(path.Join(dir, f))
-	// TODO replace <a with <a download UNLESS img, then... hrm
 	form := fmt.Sprintf(`
          <form enctype="multipart/form-data" action="/attach/%s" method="post">
             <input type="file" name="file" required/>

versions/max_file_size.go

@@ -0,0 +1,35 @@
+package versions
+
+import (
+	"fmt"
+	"local/notes-server/config"
+	"strings"
+)
+
+func getScript() string {
+	return strings.ReplaceAll(script, "{{{MAXSIZE}}}", fmt.Sprint(config.MaxSizeMB<<20))
+}
+
+const script = `
+#!/bin/bash
+function main() {
+  local maxsize={{{MAXSIZE}}}
+  if [[ "$maxsize" == 0 ]]; then
+    return
+  fi
+  (
+    git diff --name-only --cached
+    git diff --name-only
+    git ls-files --others --exclude-standard
+  ) 2>&1 \
+  | sort -u \
+  | while read -r file; do
+    local size="$(du -sk "$file" | awk '{print $1}')000"
+    if [ "$size" -gt "$maxsize" ]; then
+       echo "file=$file, size=$size, max=$maxsize" >&2
+       git reset HEAD -- "$file"
+    fi
+  done
+}
+main
+`

versions/versions.go

@@ -2,8 +2,13 @@ package versions
 
 import (
 	"fmt"
+	"io/ioutil"
 	"local/notes-server/config"
+	"log"
+	"os"
 	"os/exec"
+	"path"
+	"strings"
 	"time"
 )
 
@@ -15,7 +20,9 @@ func New() (*Versions, error) {
 	v.cmd("git", "init")
 	v.cmd("git", "config", "user.email", "user@user.user")
 	v.cmd("git", "config", "user.name", "user")
-	return v, nil
+	s := getScript()
+	err := ioutil.WriteFile(path.Join(config.Root, "./.git/hooks/pre-commit"), []byte(s), os.ModePerm)
+	return v, err
 }
 
 func (v *Versions) Gitmmit() error {
@@ -39,6 +46,9 @@ func (v *Versions) Commit() error {
 func (v *Versions) cmd(cmd string, args ...string) error {
 	command := exec.Command(cmd, args...)
 	command.Dir = config.Root
-	_, err := command.CombinedOutput()
+	out, err := command.CombinedOutput()
+	if err != nil {
+		log.Println(cmd, args, ":", strings.TrimSpace(string(out)))
+	}
 	return err
 }