commit e283ca29c53817091a17f44b7c93ba6d6362fd38
author Elliott Hughes <enh@google.com> Tue Jun 02 13:50:00 2015 -0700
committer Elliott Hughes <enh@google.com> Thu Jun 04 13:26:40 2015 -0700
tree 651913436900651e9429e54eb62bad17f04e8bf7
parent 71aebefe49d8126f522287bd35d17c432a4e6383

Add "fastboot --version".

So bug reporters can actually tell us what they're running.

Bug: http://b/21558406
Bug: http://b/21583225
Change-Id: If2a4ae97b4792aa321566603ce2c354a72d32307
(cherry picked from commit 379646b2ca2cf681be3489eb74a421b3f8c80e26)

fastboot/fastboot.cpp

diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 51985af..c9a6772 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -964,8 +964,9 @@
         {"page_size", required_argument, 0, 'n'},
         {"ramdisk_offset", required_argument, 0, 'r'},
         {"tags_offset", required_argument, 0, 't'},
-        {"help", 0, 0, 'h'},
-        {"unbuffered", 0, 0, 0},
+        {"help", no_argument, 0, 'h'},
+        {"unbuffered", no_argument, 0, 0},
+        {"version", no_argument, 0, 0},
         {0, 0, 0, 0}
     };
 
@@ -1037,6 +1038,9 @@
             if (strcmp("unbuffered", longopts[longindex].name) == 0) {
                 setvbuf(stdout, NULL, _IONBF, 0);
                 setvbuf(stderr, NULL, _IONBF, 0);
+            } else if (strcmp("version", longopts[longindex].name) == 0) {
+                fprintf(stdout, "fastboot version %s\n", FASTBOOT_REVISION);
+                return 0;
             }
             break;
         default: