Red Hat Bugzilla – Bug 136264
add PREEXEC_COMMAND variable to bash?
Last modified: 2007-11-30 17:10:52 EST
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922 Description of problem: At the url you'll find some info in German on a patch against bash-2.05b (written by Rene van Bevern) which enables a PREEXEC_COMMAND. The "value" of this variable "is executed as a command prior to executing entered commands in interactive mode". (zsh seems to have a preexec function for that.) It also introduces the CMD variable which is "set before a command is run, each array field corresponds to one argument of the command line. It is intended to be used in PREEXEC_COMMAND scripts." Together these variables make it possible to set the title of an xterm (such as gnome-terminal) to the name of the current job! AFAIK this cannot be done by using PROMPT_COMMAND. This of course makes it much easier to see what your xterm(s) is (are) doing and choose the right xterm from you panel. The patch "builds" cleany against bash-2.05b-38. I haven't examined the patch very thoroughly (but at first glance I did not spot anything suspicious). I'll attach it right away ... Question: should I ask the maintainers upstreams what they think of this patch? Version-Release number of selected component (if applicable): 2.05b-38
Created attachment 105405 [details] Rene van Beveren's patch Note that I edited the patch slightly (only in the diff "headers") so that I could use it as a patch "against" (the source found in) bash-2.05b-38.src.rpm.
Hmmm ... it seems I edited the headers not too well. At least rpmbuild didn't mind!
Thanks for the suggestion. I think this is the sort of thing you'll need to talk to the upstream maintainer (Chet Ramey) about. You'll need to add documentation to the info pages etc.