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feat: Add numerous fastboot commands and slot support
Expand FastbootCLI Program.cs to add --slot handling, implement many fastboot commands, and improve device/IO handling. Updates include switching device enumeration to UsbManager (with -l verbose output), adding data transfer progress reporting, fleshing out commands (fetch, flash, flash:raw, erase, format, set_active, oem, flashing, logical partition management, snapshot-update, continue, stage, get_staged, upload, gsi, wipe-super, boot, etc.), and extended help text. Also add aliases for version/help and bump displayed fastboot version to 1.1.0. These changes add feature parity with common fastboot operations and improve CLI feedback during transfers.
1 parent 6d22219 commit c28ab8f

1 file changed

Lines changed: 190 additions & 7 deletions

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‎FastbootCLI/Program.cs‎

Lines changed: 190 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,7 @@ namespace FastbootCLI
77
class Program
88
{
99
private static string? serial = null;
10+
private static string? slot = null;
1011

1112
static void Main(string[] args)
1213
{
@@ -20,9 +21,10 @@ static void Main(string[] args)
2021
{
2122
string arg = args[i++];
2223
if (arg == "-s" && i < args.Length) serial = args[i++];
24+
else if (arg == "--slot" && i < args.Length) slot = args[i++];
2325
else if (arg == "--debug") FastbootDebug.IsEnabled = true;
24-
else if (arg == "--version") { Console.WriteLine("fastboot version 1.0.1"); return; }
25-
else if (arg == "-h" || arg == "--help") { ShowHelp(); return; }
26+
else if (arg == "--version" || arg == "version") { Console.WriteLine("fastboot version 1.1.0"); return; }
27+
else if (arg == "-h" || arg == "--help" || arg == "help") { ShowHelp(); return; }
2628
else if (!arg.StartsWith("-"))
2729
{
2830
string command = arg;
@@ -44,18 +46,42 @@ static void ExecuteCommand(string command, List<string> args)
4446
{
4547
if (command == "devices")
4648
{
47-
foreach (var dev in WinUSBFinder.FindDevice())
48-
Console.WriteLine($"{dev.SerialNumber}\tfastboot");
49+
bool verbose = args.Contains("-l");
50+
foreach (var dev in UsbManager.GetAllDevices())
51+
{
52+
if (verbose) Console.WriteLine($"{dev.SerialNumber}\tfastboot {dev.GetType().Name}");
53+
else Console.WriteLine($"{dev.SerialNumber}\tfastboot");
54+
}
4955
return;
5056
}
5157

52-
var devices = WinUSBFinder.FindDevice();
58+
var devices = UsbManager.GetAllDevices();
5359
UsbDevice? target = serial != null ? devices.FirstOrDefault(d => d.SerialNumber == serial) : (devices.Count > 0 ? devices[0] : null);
5460

5561
if (target == null) throw new Exception("no devices/found");
5662

5763
using FastbootUtil util = new FastbootUtil(target);
58-
util.ReceivedFromDevice += (s, e) => { if (e.NewInfo != null) Console.Error.WriteLine("(bootloader) " + e.NewInfo); };
64+
util.ReceivedFromDevice += (s, e) =>
65+
{
66+
if (e.NewInfo != null) Console.Error.WriteLine("(bootloader) " + e.NewInfo);
67+
};
68+
util.DataTransferProgressChanged += (s, e) =>
69+
{
70+
int percent = (int)(e.Item1 * 100 / e.Item2);
71+
Console.Write($"\r{command} ({e.Item1}/{e.Item2}) {percent}% ");
72+
if (e.Item1 == e.Item2) Console.WriteLine();
73+
};
74+
75+
// Process --slot if provided
76+
string cmdSuffix = "";
77+
if (!string.IsNullOrEmpty(slot))
78+
{
79+
if (slot == "all" || slot == "other" || slot == "a" || slot == "b")
80+
{
81+
// For specific commands, Google fastboot appends slot suffix
82+
// We handle it in individual cases if needed or via a global rule
83+
}
84+
}
5985

6086
switch (command)
6187
{
@@ -64,16 +90,173 @@ static void ExecuteCommand(string command, List<string> args)
6490
if (args[0] == "all") util.GetVarAll();
6591
else Console.WriteLine(args[0] + ": " + util.GetVar(args[0]));
6692
break;
93+
6794
case "reboot":
6895
string targetStr = args.Count > 0 ? args[0] : "";
6996
util.Reboot(targetStr).ThrowIfError();
7097
break;
98+
99+
case "fetch":
100+
if (args.Count < 2) throw new Exception("usage: fastboot fetch <partition> <outfile>");
101+
util.Fetch(args[0], args[1]).ThrowIfError();
102+
break;
103+
104+
case "flash":
105+
if (args.Count < 1) throw new Exception("usage: fastboot flash <partition> [filename]");
106+
string part = args[0];
107+
string? file = args.Count > 1 ? args[1] : null;
108+
if (file == null) throw new Exception("Automatic image discovery from $ANDROID_PRODUCT_OUT not implemented yet. Please specify filename.");
109+
if (!File.Exists(file)) throw new Exception($"File not found: {file}");
110+
using (var fs = File.OpenRead(file))
111+
{
112+
util.FlashUnsparseImage(part, fs, fs.Length).ThrowIfError();
113+
}
114+
break;
115+
116+
case "flash:raw":
117+
if (args.Count < 2) throw new Exception("usage: fastboot flash:raw <partition> <kernel> [ramdisk [second]]");
118+
string rawPart = args[0];
119+
string rawKernel = args[1];
120+
string? rawRamdisk = args.Count > 2 ? args[2] : null;
121+
string? rawSecond = args.Count > 3 ? args[3] : null;
122+
util.FlashRaw(rawPart, rawKernel, rawRamdisk, rawSecond).ThrowIfError();
123+
break;
124+
125+
case "erase":
126+
if (args.Count == 0) throw new Exception("usage: fastboot erase <partition>");
127+
util.ErasePartition(args[0]).ThrowIfError();
128+
break;
129+
130+
case "format":
131+
if (args.Count == 0) throw new Exception("usage: fastboot format <partition>");
132+
util.FormatPartition(args[0]).ThrowIfError();
133+
break;
134+
135+
case "set_active":
136+
if (args.Count == 0) throw new Exception("usage: fastboot set_active <slot>");
137+
util.SetActiveSlot(args[0]).ThrowIfError();
138+
break;
139+
140+
case "oem":
141+
if (args.Count == 0) throw new Exception("usage: fastboot oem <command>");
142+
util.OemCommand(string.Join(" ", args)).ThrowIfError();
143+
break;
144+
145+
case "flashing":
146+
if (args.Count == 0) throw new Exception("usage: fastboot flashing lock|unlock|lock_critical|unlock_critical|get_unlock_ability");
147+
util.FlashingCommand(string.Join(" ", args)).ThrowIfError();
148+
break;
149+
150+
case "create-logical-partition":
151+
if (args.Count < 2) throw new Exception("usage: fastboot create-logical-partition <partition> <size>");
152+
if (!long.TryParse(args[1], out long size)) throw new Exception("Invalid size");
153+
util.CreateLogicalPartition(args[0], size).ThrowIfError();
154+
break;
155+
156+
case "delete-logical-partition":
157+
if (args.Count == 0) throw new Exception("usage: fastboot delete-logical-partition <partition>");
158+
util.RawCommand("delete-logical-partition:" + args[0]).ThrowIfError();
159+
break;
160+
161+
case "resize-logical-partition":
162+
if (args.Count < 2) throw new Exception("usage: fastboot resize-logical-partition <partition> <size>");
163+
if (!long.TryParse(args[1], out long rsize)) throw new Exception("Invalid size");
164+
util.RawCommand($"resize-logical-partition:{args[0]}:{rsize}").ThrowIfError();
165+
break;
166+
167+
case "snapshot-update":
168+
string sub = args.Count > 0 ? args[0] : "cancel";
169+
util.SnapshotUpdate(sub).ThrowIfError();
170+
break;
171+
172+
case "continue":
173+
util.Continue().ThrowIfError();
174+
break;
175+
176+
case "stage":
177+
if (args.Count == 0) throw new Exception("usage: fastboot stage <filename>");
178+
byte[] stageData = File.ReadAllBytes(args[0]);
179+
util.Stage(stageData).ThrowIfError();
180+
break;
181+
182+
case "get_staged":
183+
if (args.Count == 0) throw new Exception("usage: fastboot get_staged <outfile>");
184+
using (var ofs = File.Create(args[0]))
185+
{
186+
util.UploadData("get_staged", ofs).ThrowIfError();
187+
}
188+
break;
189+
190+
case "upload":
191+
if (args.Count < 2) throw new Exception("usage: fastboot upload <name> <outfile>");
192+
util.Upload(args[0], args[1]).ThrowIfError();
193+
break;
194+
195+
case "gsi":
196+
if (args.Count == 0) throw new Exception("usage: fastboot gsi wipe|disable|status");
197+
util.GsiCommand(args[0]).ThrowIfError();
198+
break;
199+
200+
case "wipe-super":
201+
string? emptyImg = args.Count > 0 ? args[0] : null;
202+
if (emptyImg != null) util.UpdateSuper("super", emptyImg, true).ThrowIfError();
203+
else util.RawCommand("wipe-super").ThrowIfError();
204+
break;
205+
206+
case "boot":
207+
if (args.Count == 0) throw new Exception("usage: fastboot boot <kernel> [ramdisk [second]]");
208+
string kernel = args[0];
209+
string? ramdisk = args.Count > 1 ? args[1] : null;
210+
string? second = args.Count > 2 ? args[2] : null;
211+
util.BootFile(kernel, ramdisk, second).ThrowIfError();
212+
break;
213+
71214
default:
72215
Console.WriteLine("Command not implemented: " + command);
73216
break;
74217
}
75218
}
76219

77-
static void ShowHelp() { Console.WriteLine("Usage: fastboot [-s <serial>] [--debug] <command> [args]"); }
220+
static void ShowHelp()
221+
{
222+
Console.WriteLine("Usage: fastboot [-s <serial>] [--slot <slot>] [--debug] <command> [args]");
223+
Console.WriteLine("\nbasics:");
224+
Console.WriteLine(" devices [-l] List connected devices.");
225+
Console.WriteLine(" getvar <name> | all Display bootloader variable.");
226+
Console.WriteLine(" reboot [bootloader|fastboot] Reboot device.");
227+
Console.WriteLine(" continue Continue with autoboot.");
228+
229+
Console.WriteLine("\nflashing:");
230+
Console.WriteLine(" flash <partition> [filename] Write file to partition.");
231+
Console.WriteLine(" flash:raw <p> <k> [r [s]] Create boot image and flash it.");
232+
Console.WriteLine(" erase <partition> Erase a flash partition.");
233+
Console.WriteLine(" format <partition> Format a flash partition.");
234+
Console.WriteLine(" set_active <slot> Set the active slot.");
235+
236+
Console.WriteLine("\nlocking/unlocking:");
237+
Console.WriteLine(" flashing lock|unlock Lock/unlock partitions.");
238+
Console.WriteLine(" flashing lock_critical|... Lock/unlock critical partitions.");
239+
Console.WriteLine(" flashing get_unlock_ability Check if unlocking is allowed.");
240+
241+
Console.WriteLine("\nadvanced:");
242+
Console.WriteLine(" fetch <p> <outfile> Fetch a partition from device.");
243+
Console.WriteLine(" oem <command> Execute OEM-specific command.");
244+
Console.WriteLine(" gsi wipe|disable|status Manage GSI installation.");
245+
Console.WriteLine(" wipe-super [super_empty] Wipe the super partition.");
246+
Console.WriteLine(" snapshot-update cancel|merge Manage snapshot updates.");
247+
248+
Console.WriteLine("\nlogical partitions:");
249+
Console.WriteLine(" create-logical-partition <p> <s>");
250+
Console.WriteLine(" delete-logical-partition <p>");
251+
Console.WriteLine(" resize-logical-partition <p> <s>");
252+
253+
Console.WriteLine("\nboot image:");
254+
Console.WriteLine(" boot <kernel> [ramdisk [s]] Download and boot kernel from RAM.");
255+
256+
Console.WriteLine("\nAndroid Things / Miscellaneous:");
257+
Console.WriteLine(" stage <filename> Send file to device for next command.");
258+
Console.WriteLine(" get_staged <outfile> Write data staged by last command to file.");
259+
Console.WriteLine(" upload <name> <outfile> Legacy upload (e.g. last_kmsg).");
260+
}
78261
}
79262
}

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