diff --git a/.gitignore b/.gitignore
index 92f116f..797d89f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /subscribe-bot
 /db
 /config.toml
+/repos
diff --git a/bot.go b/bot.go
index 4aafe53..690d9db 100644
--- a/bot.go
+++ b/bot.go
@@ -3,7 +3,10 @@ package main
 import (
 	"errors"
 	"fmt"
+	"io/ioutil"
 	"log"
+	"os"
+	"path"
 	"reflect"
 	"regexp"
 	"strconv"
@@ -11,6 +14,9 @@ import (
 	"time"
 
 	"github.com/bwmarrin/discordgo"
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/object"
 )
 
 type Bot struct {
@@ -19,10 +25,11 @@ type Bot struct {
 	db        *Db
 	api       *Osuapi
 	requests  chan int
+	config    *Config
 }
 
-func NewBot(token string, db *Db, requests chan int) (bot *Bot, err error) {
-	s, err := discordgo.New("Bot " + token)
+func NewBot(config *Config, db *Db, requests chan int) (bot *Bot, err error) {
+	s, err := discordgo.New("Bot " + config.BotToken)
 	if err != nil {
 		return
 	}
@@ -38,7 +45,7 @@ func NewBot(token string, db *Db, requests chan int) (bot *Bot, err error) {
 		return
 	}
 
-	bot = &Bot{s, re, db, db.api, requests}
+	bot = &Bot{s, re, db, db.api, requests, config}
 	s.AddHandler(bot.errWrap(bot.newMessageHandler))
 	return
 }
@@ -67,25 +74,108 @@ func (bot *Bot) errWrap(fn interface{}) interface{} {
 	return newFunc.Interface()
 }
 
-func (bot *Bot) NotifyNewEvent(channelId string, newMaps []Event) (err error) {
-	for _, event := range newMaps {
+func (bot *Bot) NotifyNewEvent(channels []string, newMaps []Event) (err error) {
+	for i, event := range newMaps {
+		var eventTime time.Time
+		eventTime, err = time.Parse(time.RFC3339, event.CreatedAt)
+		if err != nil {
+			return
+		}
+		log.Println(i, "event time", eventTime)
+
 		var (
 			gotBeatmapInfo       = false
 			beatmapSet           Beatmapset
 			gotDownloadedBeatmap = false
 			downloadedBeatmap    BeatmapsetDownloaded
+			// status               git.Status
+
+			commit *object.Commit
+			parent *object.Commit
+			patch  *object.Patch
+			// commitFiles *object.FileIter
 		)
 		beatmapSet, err = bot.getBeatmapsetInfo(event)
 		if err != nil {
 			log.Println("failed to retrieve beatmap info:", err)
 		} else {
 			gotBeatmapInfo = true
-			downloadedBeatmap, err = bot.downloadBeatmap(&beatmapSet)
+
+			// try to open a repo for this beatmap
+			var repo *git.Repository
+			repoDir := path.Join(bot.config.Repos, strconv.Itoa(beatmapSet.ID))
+			if _, err := os.Stat(repoDir); os.IsNotExist(err) {
+				os.MkdirAll(repoDir, 0777)
+			}
+			repo, err = git.PlainOpen(repoDir)
+			if err == git.ErrRepositoryNotExists {
+				// create a new repo
+				repo, err = git.PlainInit(repoDir, false)
+			}
+			if err != nil {
+				return
+			}
+
+			// download latest updates to the map
+			err = bot.downloadBeatmapTo(&beatmapSet, repo, repoDir)
 			if err != nil {
 				log.Println("failed to download beatmap:", err)
 			} else {
 				gotDownloadedBeatmap = true
 			}
+
+			// create a commit
+			var (
+				worktree *git.Worktree
+				files    []os.FileInfo
+				hash     plumbing.Hash
+			)
+			worktree, err = repo.Worktree()
+			if err != nil {
+				return
+			}
+			// status, err = worktree.Status()
+			// if err != nil {
+			// 	return
+			// }
+			files, err = ioutil.ReadDir(repoDir)
+			if err != nil {
+				return
+			}
+			for _, f := range files {
+				if f.Name() == ".git" {
+					continue
+				}
+				worktree.Add(f.Name())
+			}
+			hash, err = worktree.Commit(
+				fmt.Sprintf("evtID: %d", event.ID),
+				&git.CommitOptions{
+					Author: &object.Signature{
+						Name:  beatmapSet.Creator,
+						Email: "nobody@localhost",
+						When:  eventTime,
+					},
+				},
+			)
+			if err != nil {
+				return
+			}
+
+			commit, err = repo.CommitObject(hash)
+			if err != nil {
+				return
+			}
+			parent, err = commit.Parent(0)
+			if err != nil {
+				return
+			}
+			patch, err = commit.Patch(parent)
+			if err != nil {
+				return
+			}
+
+			// report diffs
 		}
 
 		log.Println("BEATMAP SET", beatmapSet)
@@ -113,9 +203,12 @@ func (bot *Bot) NotifyNewEvent(channelId string, newMaps []Event) (err error) {
 
 			if gotDownloadedBeatmap {
 				log.Println(downloadedBeatmap)
+				embed.Description = patch.String()
 			}
 		}
-		bot.ChannelMessageSendEmbed(channelId, embed)
+		for _, channelId := range channels {
+			bot.ChannelMessageSendEmbed(channelId, embed)
+		}
 	}
 
 	return
@@ -125,13 +218,27 @@ type BeatmapsetDownloaded struct {
 	Path string
 }
 
-func (bot *Bot) downloadBeatmap(beatmapSet *Beatmapset) (downloadedBeatmap BeatmapsetDownloaded, err error) {
-	beatmapFile, err := bot.api.BeatmapsetDownload(beatmapSet.ID)
+func (bot *Bot) downloadBeatmapTo(beatmapSet *Beatmapset, repo *git.Repository, repoDir string) (err error) {
+	// clear all OSU files
+	files, err := ioutil.ReadDir(repoDir)
 	if err != nil {
 		return
 	}
+	for _, f := range files {
+		if !strings.HasSuffix(f.Name(), ".osu") {
+			continue
+		}
+		os.Remove(f.Name())
+	}
 
-	downloadedBeatmap.Path = beatmapFile
+	for _, beatmap := range beatmapSet.Beatmaps {
+		path := path.Join(repoDir, fmt.Sprintf("%d.osu", beatmap.ID))
+
+		err = bot.api.DownloadSingleBeatmap(beatmap.ID, path)
+		if err != nil {
+			return
+		}
+	}
 	return
 }
 
diff --git a/go.mod b/go.mod
index d7b76e0..5efb765 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.14
 require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/bwmarrin/discordgo v0.22.0
+	github.com/go-git/go-git/v5 v5.2.0
 	go.etcd.io/bbolt v1.3.5
 	golang.org/x/sync v0.0.0-20201008141435-b3e1573b7520
 )
diff --git a/go.sum b/go.sum
index e39543c..bcc162c 100644
--- a/go.sum
+++ b/go.sum
@@ -1,13 +1,77 @@
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/bwmarrin/discordgo v0.22.0 h1:uBxY1HmlVCsW1IuaPjpCGT6A2DBwRn0nvOguQIxDdFM=
 github.com/bwmarrin/discordgo v0.22.0/go.mod h1:c1WtWUGN6nREDmzIpyTp/iD3VYt4Fpx+bVyfBG7JE+M=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/emirpasic/gods v1.12.0 h1:QAUIPSaCu4G+POclxeqb3F+WPpdKqFGlw36+yOzGlrg=
+github.com/emirpasic/gods v1.12.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
+github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
+github.com/gliderlabs/ssh v0.2.2/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
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 github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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 go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
 go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16 h1:y6ce7gCWtnH+m3dCjzQ1PCuwl28DDIc3VNnvY29DlIA=
 golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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 golang.org/x/sync v0.0.0-20201008141435-b3e1573b7520 h1:Bx6FllMpG4NWDOfhMBz1VR2QYNp/SAOHPIAsaVmxfPo=
 golang.org/x/sync v0.0.0-20201008141435-b3e1573b7520/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/main.go b/main.go
index e023296..69ea92e 100644
--- a/main.go
+++ b/main.go
@@ -25,7 +25,7 @@ func main() {
 		log.Fatal(err)
 	}
 
-	bot, err := NewBot(config.BotToken, db, requests)
+	bot, err := NewBot(&config, db, requests)
 	if err != nil {
 		log.Fatal(err)
 	}
diff --git a/osuapi.go b/osuapi.go
index d9a1fd5..d19ee20 100644
--- a/osuapi.go
+++ b/osuapi.go
@@ -132,6 +132,22 @@ func (api *Osuapi) Request(action string, url string, result interface{}) (err e
 	return
 }
 
+func (api *Osuapi) DownloadSingleBeatmap(beatmapId int, path string) (err error) {
+	url := fmt.Sprintf("https://osu.ppy.sh/osu/%d", beatmapId)
+	resp, err := api.httpClient.Get(url)
+
+	file, err := os.OpenFile(path, os.O_CREATE|os.O_RDWR, 0644)
+	if err != nil {
+		return
+	}
+
+	_, err = io.Copy(file, resp.Body)
+	if err != nil {
+		return
+	}
+	return
+}
+
 func (api *Osuapi) GetBeatmapSet(beatmapSetId int) (beatmapSet Beatmapset, err error) {
 	url := fmt.Sprintf("/beatmapsets/%d", beatmapSetId)
 	err = api.Request("GET", url, &beatmapSet)
diff --git a/scrape.go b/scrape.go
index 51b49b6..c93a67f 100644
--- a/scrape.go
+++ b/scrape.go
@@ -20,11 +20,20 @@ func RunScraper(bot *Bot, db *Db, api *Osuapi, requests chan int) {
 		if err != nil {
 			log.Println("err getting new maps:", err)
 		}
+		log.Println("new maps for", userId, newMaps)
 
-		db.IterTrackingChannels(userId, func(channelId string) error {
-			bot.NotifyNewEvent(channelId, newMaps)
-			return nil
-		})
+		if len(newMaps) > 0 {
+			channels := make([]string, 0)
+			db.IterTrackingChannels(userId, func(channelId string) error {
+				channels = append(channels, channelId)
+				return nil
+			})
+
+			err := bot.NotifyNewEvent(channels, newMaps)
+			if err != nil {
+				log.Println("error notifying new maps", err)
+			}
+		}
 
 		// wait a minute and put them back into the queue
 		go func(id int) {