Remove unneeded sha1 uses

db.go

@@ -242,7 +242,7 @@ func (c *convoDB) Completions(in string) ([]string, error) {
 		  conversations
 		WHERE
 		  title glob ?
-	`), in, sha1short, sha1short, in+"*", sha1short, in+"*"); err != nil {
+	`), in, convIdShort, convIdShort, in+"*", convIdShort, in+"*"); err != nil {
 		return result, fmt.Errorf("Completions: %w", err)
 	}
 	return result, nil
@@ -252,7 +252,7 @@ func (c *convoDB) Find(in string) (*Conversation, error) {
 	var conversations []Conversation
 	var err error
 
-	if len(in) < sha1minLen {
+	if len(in) < convIdMinLen {
 		err = c.findByExactTitle(&conversations, in)
 	} else {
 		err = c.findByIDOrTitle(&conversations, in)

db_test.go

@@ -158,8 +158,8 @@ func TestConvoDB(t *testing.T) {
 		results, err := db.Completions("f")
 		require.NoError(t, err)
 		require.Equal(t, []string{
-			fmt.Sprintf("%s\t%s", testid1[:sha1short], title1),
-			fmt.Sprintf("%s\t%s", title2, testid2[:sha1short]),
+			fmt.Sprintf("%s\t%s", testid1[:convIdShort], title1),
+			fmt.Sprintf("%s\t%s", title2, testid2[:convIdShort]),
 		}, results)
 
 		results, err = db.Completions(testid1[:8])

id.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"crypto/rand"
+	"fmt"
+	"regexp"
+)
+
+const (
+	convIdShort  = 7
+	convIdMinLen = 4
+)
+
+var convIdReg = regexp.MustCompile(`\b[0-9a-f]{40}\b`)
+
+func newConversationID() string {
+	var b [20]byte
+	_, _ = rand.Read(b[:])
+	return fmt.Sprintf("%x", b)
+}

main.go

@@ -34,7 +34,7 @@ var (
 )
 
 func buildVersion() {
-	if len(CommitSHA) >= sha1short {
+	if len(CommitSHA) >= convIdShort {
 		vt := rootCmd.VersionTemplate()
 		rootCmd.SetVersionTemplate(vt[:len(vt)-1] + " (" + CommitSHA[0:7] + ")\n")
 	}
@@ -572,7 +572,7 @@ func deleteConversationOlderThan() error {
 		}
 
 		if !config.Quiet {
-			fmt.Fprintln(os.Stderr, "Conversation deleted:", c.ID[:sha1minLen])
+			fmt.Fprintln(os.Stderr, "Conversation deleted:", c.ID[:convIdMinLen])
 		}
 	}
 
@@ -606,7 +606,7 @@ func deleteConversation(convo *Conversation) error {
 	}
 
 	if !config.Quiet {
-		fmt.Fprintln(os.Stderr, "Conversation deleted:", convo.ID[:sha1minLen])
+		fmt.Fprintln(os.Stderr, "Conversation deleted:", convo.ID[:convIdMinLen])
 	}
 	return nil
 }
@@ -656,7 +656,7 @@ func makeOptions(conversations []Conversation) []huh.Option[string] {
 	opts := make([]huh.Option[string], 0, len(conversations))
 	for _, c := range conversations {
 		timea := stdoutStyles().Timeago.Render(timeago.Of(c.UpdatedAt))
-		left := stdoutStyles().SHA1.Render(c.ID[:sha1short])
+		left := stdoutStyles().Id.Render(c.ID[:convIdShort])
 		right := stdoutStyles().ConversationList.Render(c.Title, timea)
 		if c.Model != nil {
 			right += stdoutStyles().Comment.Render(*c.Model)
@@ -707,7 +707,7 @@ func printList(conversations []Conversation) {
 		_, _ = fmt.Fprintf(
 			os.Stdout,
 			"%s\t%s\t%s\n",
-			stdoutStyles().SHA1.Render(conversation.ID[:sha1short]),
+			stdoutStyles().Id.Render(conversation.ID[:convIdShort]),
 			conversation.Title,
 			stdoutStyles().Timeago.Render(timeago.Of(conversation.UpdatedAt)),
 		)
@@ -727,11 +727,11 @@ func saveConversation(mods *Mods) error {
 		return nil
 	}
 
-	// if message is a sha1, use the last prompt instead.
+	// if message is a conversaion id, use the last prompt instead.
 	id := config.cacheWriteToID
 	title := strings.TrimSpace(config.cacheWriteToTitle)
 
-	if sha1reg.MatchString(title) || title == "" {
+	if convIdReg.MatchString(title) || title == "" {
 		title = firstLine(lastPrompt(mods.messages))
 	}
 
@@ -757,7 +757,7 @@ func saveConversation(mods *Mods) error {
 		fmt.Fprintln(
 			os.Stderr,
 			"\nConversation saved:",
-			stderrStyles().InlineCode.Render(config.cacheWriteToID[:sha1short]),
+			stderrStyles().InlineCode.Render(config.cacheWriteToID[:convIdShort]),
 			stderrStyles().Comment.Render(title),
 		)
 	}

mods.go

@@ -566,7 +566,7 @@ func (m *Mods) findCacheOpsDetails() tea.Cmd {
 			writeID = newConversationID()
 		}
 
-		if !sha1reg.MatchString(writeID) {
+		if !convIdReg.MatchString(writeID) {
 			convo, err := m.db.Find(writeID)
 			if err != nil {
 				// its a new conversation with a title

styles.go

@@ -23,7 +23,7 @@ type styles struct {
 	Pipe,
 	Quote,
 	ConversationList,
-	SHA1,
+	Id,
 	Timeago lipgloss.Style
 }
 
@@ -44,7 +44,7 @@ func makeStyles(r *lipgloss.Renderer) (s styles) {
 	s.Quote = r.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#FF71D0", Dark: "#FF78D2"})
 	s.Pipe = r.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#8470FF", Dark: "#745CFF"})
 	s.ConversationList = r.NewStyle().Padding(0, 1)
-	s.SHA1 = s.Flag
+	s.Id = s.Flag
 	s.Timeago = r.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#999", Dark: "#555"})
 	return s
 }