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ipc: implement GET_VERSION to find out the i3 version

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This is useful for third-party scripts which require certain features
and want to error out cleanly when they are run with an old i3 version.

Additionally, i3 --version might be different from what’s actually
running (an old version of the binary), so i3-msg -t get_version will be
the best way to figure out the i3 version you are actually running from
this commit on.
This commit is contained in:
Michael Stapelberg
2012-08-05 14:29:19 +02:00
parent f80b877c6b
commit 78f5f2204d
7 changed files with 122 additions and 6 deletions
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6
i3-msg/main.c
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@ -2,7 +2,7 @@
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
*
* i3-msg/main.c: Utility which sends messages to a running i3-instance using
* IPC via UNIX domain sockets.
@ -73,9 +73,11 @@ int main(int argc, char *argv[]) {
message_type = I3_IPC_MESSAGE_TYPE_GET_MARKS;
else if (strcasecmp(optarg, "get_bar_config") == 0)
message_type = I3_IPC_MESSAGE_TYPE_GET_BAR_CONFIG;
else if (strcasecmp(optarg, "get_version") == 0)
message_type = I3_IPC_MESSAGE_TYPE_GET_VERSION;
else {
printf("Unknown message type\n");
printf("Known types: command, get_workspaces, get_outputs, get_tree, get_marks, get_bar_config\n");
printf("Known types: command, get_workspaces, get_outputs, get_tree, get_marks, get_bar_config, get_version\n");
exit(EXIT_FAILURE);
}
} else if (o == 'q') {