add most of hook content

Dockerfile

@@ -2,7 +2,9 @@ FROM ubuntu:22.04
 
 WORKDIR /app
 
-RUN apt-get update && apt-get install git ca-certificates -y && update-ca-certificates
+RUN apt-get update && apt-get install -y git ca-certificates sshpass
+
+RUN update-ca-certificates
 
 COPY GeoLite2-Country.mmdb .
 

cmd/git/cmd.go

@@ -10,6 +10,7 @@ import (
 	"os/signal"
 	"strings"
 	"syscall"
+	"text/template"
 	"time"
 
 	"cbnr/util"
@@ -109,14 +110,35 @@ func RenderPostReceiveHookMiddleware(next http.Handler) http.Handler {
 
 		log.Printf("site ID found for repo %s, storage %s", repoName, storage[0])
 
+		hookValues := HookValues{
+			SiteId: repoName,
+			StorageHost: "storage.bunnycdn.com",
+			StorageName: storage[0].Name,
+			StorageToken: storage[0].Token,
+		}
+
 		hookPath := fmt.Sprintf("/tmp/%s/.git/hooks/post-receive", repoName)
-		hookData := []byte("#!/bin/sh\necho 'got it thank you'\ntouch /tmp/got\n")
-		err = os.WriteFile(hookPath, hookData, 0777)
+
+		tpl, err := template.New("naaaaame").Parse(HookTemplate)
+		if err != nil {
+			http.Error(out, fmt.Sprintf("Unable to render post-receive hook template: %v", err), http.StatusInternalServerError)
+			return
+		}
+
+		file, err := os.OpenFile(hookPath, os.O_RDWR|os.O_CREATE, 0777)
 		if err != nil {
-			log.Printf("THIS DID NOT WORK: %s", err)
+			http.Error(out, fmt.Sprintf("Could not create and open post-receive hook file: %v", err), http.StatusInternalServerError)
+			return
+		}
+
+		defer file.Close()
+
+		err = tpl.Execute(file, hookValues)
+		if err != nil {
+			http.Error(out, fmt.Sprintf("Could not render template into hook file: %v", err), http.StatusInternalServerError)
+			return
 		}
 
-		// user is allowed to push to this site ID, pass it through
 		next.ServeHTTP(out, req)
 		return
 	})

cmd/git/template.go

@@ -0,0 +1,32 @@
+package git
+
+type HookValues struct {
+	SiteId string
+	StorageHost string
+	StorageName string
+	StorageToken string
+}
+
+var HookTemplate = `#!/bin/bash
+set -euo pipefail
+
+echo "hi"
+
+echo "you just pushed to {{.SiteId}}..."
+
+echo "deleting current content"
+
+curl -X "DELETE" -H "AccessKey: {{.StorageToken}}" "https://{{.StorageHost}}/{{.StorageName}}/"
+
+echo "listing files..."
+
+git checkout main
+
+for FILENAME in $(git ls-files);
+do
+	echo "Uploading $FILENAME of size $(stat --printf='%s' $FILENAME) bytes..."
+	sshpass -p {{.StorageToken}} sftp -q -o StrictHostKeyChecking=no {{.StorageName}}@{{.StorageHost}} <<< $"@put ${FILENAME}"
+done
+
+echo "all uploaded goodbye"
+`

toast.yml

@@ -2,6 +2,10 @@ image: golang:1.21
 command_prefix: set -euxo pipefail
 location: /scratch
 tasks:
+  sshpass:
+    command: |
+      apt-get update
+      apt-get install -y sshpass
   deps:
     input_paths:
     - go.mod
@@ -12,6 +16,7 @@ tasks:
     # I would like to cache this but go-build files prevent it
     cache: false
     dependencies:
+    - sshpass
     - deps
     environment:
       GOCACHE: /scratch/go-build