Add support for '-h' (help).

https://github.com/PaulStoffregen/teensy_loader_cli/pull/26

---
 teensy_loader_cli.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/teensy_loader_cli.c b/teensy_loader_cli.c
index d4a6cc5..0a06209 100644
--- a/teensy_loader_cli.c
+++ b/teensy_loader_cli.c
@@ -37,7 +37,8 @@ void usage(const char *err)
 {
 	if(err != NULL) fprintf(stderr, "%s\n\n", err);
 	fprintf(stderr,
-		"Usage: teensy_loader_cli --mcu=<MCU> [-w] [-h] [-n] [-b] [-v] <file.hex>\n"
+		"Usage: teensy_loader_cli --mcu=<MCU> [-h] [-w] [-n] [-b] [-v] <file.hex>\n"
+		"\t-h : Print this help message\n"
 		"\t-w : Wait for device to appear\n"
 		"\t-r : Use hard reboot if device not online\n"
 		"\t-s : Use soft reboot if device not online (Teensy3.x only)\n"
@@ -1081,6 +1082,7 @@ void parse_flag(char *arg)
 	int i;
 	for(i=1; arg[i]; i++) {
 		switch(arg[i]) {
+			case 'h': usage(NULL); break;
 			case 'w': wait_for_device_to_appear = 1; break;
 			case 'r': hard_reboot_device = 1; break;
 			case 's': soft_reboot_device = 1; break;
-- 
2.7.4

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<tr><td><span title='2022-05-18 23:20:21 +0200'>2022-05-18</span></td><td><a href='/guix/commit/tests/keys/ed25519-2.pub?id=3ae7632ca0a1edca9d8c3c766efb0dcc8aa5da37'>tests: Ensure test OpenPGP keys never expire.</a><span class='msg-avail'>...<span class='msg-tooltip'>All these keys had expiration dates.  'tests/keys/ed25519.pub' expired
on 2022-04-24.

Fixes &lt;https://issues.guix.gnu.org/55506&gt;.

* tests/keys/ed25519.pub, tests/keys/ed25519-2.pub,
tests/keys/ed25519-3.pub: Remove expiration date.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-12-22 10:53:19 +0100'>2021-12-22</span></td><td><a href='/guix/commit/tests/keys/ed25519-2.pub?id=9ebc9ca070a21ba0aeb3f61202a8071bb250ccc8'>tests: Move keys into ./tests/keys/ and add a third ed25519 key.</a><span class='msg-avail'>...<span class='msg-tooltip'>The third key will be used in an upcoming commit.

Rename public keys to .pub.

* guix/tests/gnupg.scm (%ed25519-3-public-key-file): New variable.
(%ed25519-3-secret-key-file): New variable.
(%ed25519-2-public-key-file): Renamed from %ed25519bis-public-key-file.
(%ed25519-2-secret-key-file): Renamed from %ed25519bis-secret-key-file.
* tests/keys/ed25519-3.key: New file.
* tests/keys/ed25519-3.sec: New file.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Attila Lendvai</td></tr>