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action: do not expand env vars in Exec action

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...<command> argument (but still resolve tilde).

This makes it easier to write sh -c '' constructs without turning labwc
into a shell parser in order to expand environment variables, whilst
respecting single quotes and escaped characters as well as ignoring
subshells syntax like $(foo) and backticks.

Also, fix bug where buffer length+alloc get out-of-sync
This commit is contained in:
Johan Malm 2023-09-21 23:09:05 +01:00 • committed by Johan Malm
parent c6c1f8e04b
commit 881d788bee
6 changed files with 44 additions and 12 deletions
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2
src/action.c
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@ -564,7 +564,7 @@ actions_run(struct view *activator, struct server *server,
struct buf cmd;
buf_init(&cmd);
buf_add(&cmd, action_str_from_arg(arg));
buf_expand_shell_variables(&cmd);
buf_expand_tilde(&cmd);
spawn_async_no_shell(cmd.buf);
free(cmd.buf);
}