1 files changed, 62 insertions, 0 deletions
diff --git a/drive/revision_list.go b/drive/revision_list.go
new file mode 100644
index 0000000..941fbca
--- /dev/null
+++ b/drive/revision_list.go
@@ -0,0 +1,62 @@
+package drive
+
+import (
+    "fmt"
+    "io"
+    "text/tabwriter"
+    "google.golang.org/api/drive/v3"
+)
+
+type ListRevisionsArgs struct {
+    Out io.Writer
+    Id string
+    NameWidth int64
+    SkipHeader bool
+    SizeInBytes bool
+}
+
+func (self *Drive) ListRevisions(args ListRevisionsArgs) (err error) {
+    revList, err := self.service.Revisions.List(args.Id).Fields("revisions(id,keepForever,size,modifiedTime,originalFilename)").Do()
+    if err != nil {
+        return fmt.Errorf("Failed listing revisions: %s", err)
+    }
+
+    PrintRevisionList(PrintRevisionListArgs{
+        Out: args.Out,
+        Revisions: revList.Revisions,
+        NameWidth: int(args.NameWidth),
+        SkipHeader: args.SkipHeader,
+        SizeInBytes: args.SizeInBytes,
+    })
+
+    return
+}
+
+type PrintRevisionListArgs struct {
+    Out io.Writer
+    Revisions []*drive.Revision
+    NameWidth int
+    SkipHeader bool
+    SizeInBytes bool
+}
+
+func PrintRevisionList(args PrintRevisionListArgs) {
+    w := new(tabwriter.Writer)
+    w.Init(args.Out, 0, 0, 3, ' ', 0)
+
+    if !args.SkipHeader {
+        fmt.Fprintln(w, "Id\tName\tSize\tModified\tKeepForever")
+    }
+
+    for _, rev := range args.Revisions {
+        fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n",
+            rev.Id,
+            truncateString(rev.OriginalFilename, args.NameWidth),
+            formatSize(rev.Size, args.SizeInBytes),
+            formatDatetime(rev.ModifiedTime),
+            formatBool(rev.KeepForever),
+        )
+    }
+
+    w.Flush()
+}