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TODO.gz

# This file is maintained at http://git.mdcc.cx/caspar 

--- release critical ---- 

- document csp_mkdircp

- decide upon scp keep_mode: purge, and suggest scp -p ?  it currently
  lacks multisupport.

- "make install" fails when csp_PUSH is set to function without multi-support.  
  fix csp_install: add multisupport (also: keep_mode, sucp. rest might just
  work)

- test new csp_sucp

- document new csp_sucp: needs tar, other sudo permissions: not cat but tar

- doc/Makefile.am: do NOT ignore errors from tidy

- caspar.mk is not completely tested yet, first and second example in manpage
  succeed, test 3rd and later.

   $ CSP_DEBUG=yes CSP_SUCP_USER=jantje csp_sucp joe@bilbo   /etc/ inittab

  works fine.  "export CSP_SUCP_USER=joe; make" works fine too.
  "make CSP_SUCP_USER=joe" works fine too. 

   csp_SUCP_USER = joe
   csp_PUSH = $(csp_sucp_FUNC)

  make

  works too.  at least, it did in release 20120508....

- fix manpage typesetting: install tidy @ buildhost, my name in caspar.ps
  looks like crap

- ``make dist'' succeeds, but ``make distcheck'' (on hille and dijkstra,
  not after fresh checkout) fails with:

make[1]: Entering directory `/home/joostvb/git/caspar/caspar/caspar-20120322/_build'
CDPATH="${ZSH_VERSION+.}:" && cd .. && /bin/bash /home/joostvb/git/caspar/caspar/caspar-20120322/missing --run aclocal-1.11 
autom4te: cannot create autom4te.cache: No such file or directory
aclocal-1.11: autom4te failed with exit status: 1
make[1]: *** [../aclocal.m4] Error 1
make[1]: Leaving directory `/home/joostvb/git/caspar/caspar/caspar-20120322/_build'

- The "csp_install -t dir file [file]" issue

zo 13 17:34 < Fruit> die tooltjes die meegeleverd worden
zo 13 17:35 < Fruit> die hebben typisch een destination directory en een stel 
                     bestanden als argumenten
zo 13 17:35 < Fruit> het zou handig zijn voor de shellscripter als die  
                     destination directory het eerste argument was
zo 13 17:38 < joostvb> das natuurlijk totaal backwards incompatible met alles
zo 13 17:38 < Fruit> valt wel mee
zo 13 17:38 < joostvb> maar iig wel n goed idee
zo 13 17:38 < Fruit> cp -t destdir file1 file2
zo 13 17:38 < joostvb> -t , die doet t m
zo 13 17:38 < Fruit> ik weet niet of scp dat kent
zo 13 17:39 < joostvb> nou ja, als 1ste arg van csp_PUSH -t is, dan
zo 13 17:39 < Fruit> magoe dat maakt ook niet zoveel uit
zo 13 17:39 < joostvb> implementeren volgens nieuw interface
zo 13 17:39 < Fruit> want bij csp_PUSH kun je toch de volgorde van de 
                     argumenten zelf bepalen
zo 13 17:39 < Fruit> hm hacken op -t lijkt me een heel lelijk en slecht idee
zo 13 17:40 < Fruit> je hoeft echt alleen maar die tooltjes aan te passen, en 
                     de plaatsen in caspar zelf waar precies en alleen díe 
                     tooltjes aangeroepen worden
zo 13 17:40 < Fruit> er hoeft geen caspar api-wijziging 
zo 13 17:40 < joostvb> en als mensen hun eigen tooltjes geschreven hebben?
zo 13 17:40 < joostvb> hun eigen csp_PUSH gebouwd?
zo 13 17:41 < Fruit> dan hebben ze de aanroep daarvan zelf onder controle
zo 13 17:41 < Fruit> misschien nieuwe set tooltjes introduceren met andere namen
zo 13 17:41 < Fruit> op dit moment accepteert elk van die tooltjes 1 file en 1 
                     dir
zo 13 17:41 < Fruit> da's jammer.
zo 13 17:42 < Fruit> omdat shellscripts een beetje beperkt zijn, is n files 
                     gevolgd door 1 dir moeilijk te implementeren
zo 13 17:42 < joostvb> csp_install dir file [file]
zo 13 17:42 < Fruit> dat idee
zo 13 17:43 < Fruit> csp_mkdirscpomgwtfbbqrofl dir file1 [file2 ...]
zo 13 17:43 < joostvb> ok, dan kan ik maken:
zo 13 17:43 < joostvb> csp_install -t dir file [file]
zo 13 17:43 < joostvb> naast:
zo 13 17:43 < joostvb> csp_install file dir
zo 13 17:43 < joostvb> das backwards compatible
zo 13 17:43 < Fruit> true
zo 13 17:44 < joostvb> en over 5 jaar wordt "-t" optioneel
zo 13 17:44 < Fruit> en je kunt geen files meer installeren die ‘-t’ heten.
zo 13 17:44 < joostvb> klopt
zo 13 17:44 < joostvb> fuk die mensen
zo 13 17:44 < joostvb> :)
zo 13 17:44 < Fruit> maar robuust gedrag met spaties en andere tekens in 
                     bestandsnamen is nooit een sterk punt van caspar geweest.
zo 13 17:44 < joostvb> pcies
zo 13 17:44 < joostvb> van make ook niet
zo 13 17:45 < Fruit> ja! fuk die mensen. alle bestanden moeten gewoon foo.txt 
                     heten. en die hippies met hun bar.txt kunnen de boom in
zo 13 17:45 < joostvb> zo is t maar net




0.-3) add to documentation:

vr 25 16:37 < casper> bah, maar het werkt wel, de reverse cowboy:   make diff | 
                      patch -R -p0
 [16:43] [joostvb(+i)] [3:#root(+ips)] irc.uvt.nl

0.-2) fix FIXME's in doc/caspar.azm

0.-1) document "make diff" and "make <file>-diff", see NEWS (not trivial...)

1.1) finish convert to git: announce on webpage, create public repo
  ( http://git.fruit.je/caspar , http://git.mdcc.cx/ ,
  ssh://git/~joostvb/git/caspar.git )
  update README on git status (see FIXME's).  set up commit list.

1.2) wait for and apply Fruit patches

1.3) documenteer de new style loadtarget hack even better: run "make load"
with: combining new load-style is usefull too:

 csp_LOAD = lolwut
 lolwut = echo ssh $1 DFHKSJDHFJKSDHJK
 lolwut:
        for h in $(csp_UHOSTS);do echo ssh $$h DFHKSJDHFJKSDHJK;done

use case: /etc/nsd/zones/ , first push to auth servers, then ssh to al caches
for a forced flush of cache.

--- ook best wel belangrijk ---

2.3) test & document rsync support

2.5) Ideas insprired by a discussion with Fred Vos:
  (Lots of users have asked for such a feature.)
  a "make check" could be usefull: test wether previous svn version is on server
  before scp-ing.
za 14 21:29 < hoppie> en als je dan helemaal over the top wilt, kun je
                      eventueel dat linken aan install, zodat alleen waar dat
                      nodig is geïnstalleerd wordt. Maar da's echt optioneel.
  Preliminary support added; Document this!  Nice trick:

   make diff || make install
   make foobar-diff || make foobar-install

  Make this work out of the box for all push mechanisms: add generic csp_REXEC
  next to csp_PUSH.


--- typesetting stuff ---

3.1) get toc printed in html mode. even while using nochunks mode.

3.2) license should be printed, see rh vs deb doc.

3.3) add zoem.mk, for zoem ( http://micans.org/zoem ) typesetting.


--- install stuff ---

4.1) ma 13 14:07 < arvid> joostvb, ik heb een feature request voor caspar :p
  ma 13 14:13 < arvid> joostvb, een exclude host mogelijkheid
  ma 13 14:13 < arvid> je bijv. een heleboel host en je wilt alleen 1 host 
                     uitsluiten
  ma 13 14:14 < arvid> s/host/hosts
  ma 13 14:16 < joostvb> een csp_TABOOUHOSTS wil je dus, i c
  ma 13 14:17 < arvid> joostvb, yep dat klopt 
   [14:18] [joostvb(+i)] [13:meuknet/#root(+ips)] 
  2009-07 Arvid Gibas

4.2) add standard target: "make print-hosts"

4.4) "install" should depend upon "load".  (should it?) ("make" currently does
  both "install" and "load"; it does not do "build".  (really!?)).  and/or:
  caspar should support "make build-recursive".

4.5) csp_BUILD is a broken concept.

Users are better off declaring csp_EXTRAFILES and creating rules for each
file that needs to be built.
csp_BUILD is an alias to csp_EXTRAFILES for backwards compatibility.

4.6) caspar chokes on spaces in filenames:

 Makefile:

 csp_CPDIR = /var/php/public/jccpmanu/https
 include caspar/mk/caspar.mk

 joostvb@scriptix:~/sv...k/sources/jccpmanu/https% ls
 JCCP logo.jpg  Makefile    index.html      logo.html
 JCCPlogo.jpg   empty.html  loginform.html  php3
 joostvb@scriptix:~/sv...k/sources/jccpmanu/https% make -n
 /bin/sh: line 1: test: JCCP: binary operator expected
 /bin/sh: line 1: test: JCCP: binary operator expected
 cp  "JCCPlogo.jpg" /var/php/public/jccpmanu/https;
 cp  "empty.html" /var/php/public/jccpmanu/https;
 cp  "index.html" /var/php/public/jccpmanu/https;
 cp  "loginform.html" /var/php/public/jccpmanu/https;
 cp  "logo.html" /var/php/public/jccpmanu/https;

  make does not support arrays, but space-separated strings, so: tag won't fix.

4.7) caspar chokes on : in filenames:

 Makefile:

 csp_SCPDIR = /etc/sysconfig/network-scripts/
 csp_SUH = root@cauchy
 include caspar/mk/caspar.mk

 joostvb@kovalevskaya:~/sv...ysconfig/network-scripts% ls
 Makefile  ifcfg-eth0  ifcfg-eth0:1
 joostvb@kovalevskaya:~/sv...ysconfig/network-scripts% make
 caspar/mk/caspar.mk:87: *** multiple target patterns.  Stop.

 Bug found by Johan Hoeke.

4.29) caspar chokes on files named ";anything"

 joostvb@bruhat:~% touch ';q'
 joostvb@bruhat:~% make -n
 caspar/mk/caspar.mk:94: *** missing rule before commands.  Stop.


4.8) Suggest (or offer) a more generic interface than my_EXEC for the load
  target.  Users are invited to extend the interface.
  They can add extra variables to their push mechanisms.  So we might be
  able to abstract LOAD one day.  Perhaps something like

    $(foreach uh,$(csp_UHOSTS),$(call csp_EXEC,$(uh),$(csp_DIR),$(csp_XARG));)

  could work.  If a user's exec wrapper needs more arguments, these can get
  introduced as implicit variables, outside $1, $2, ...

4.9) Explain why it's good practice to do
    include ../../include/install.mk
  in manpage example.

4.10) Don't do
   csp_scp_FUNC  = $(csp_SCP) $(csp_CPFLAGS) $(1) $(2):$(3)
  but do
   csp_scp_FUNC  = $(csp_SCP) $(4) $(1) $(2):$(3)
  and use $(csp_CPFLAGS) for csp_XARGS.
  _Do_ test this!

4.11) load stuff:
  - Create a ``load-recursive'' target.
  - supply daemons.mk: csp_SSHDEBIANLOAD csp_URUKREDHATLOAD , etc, to use
    in load targets

4.12) install-recursive should call mkdir if appropriate.  install should, too.

 Thu 31 15:16 < Fruit> kan ik 'm ook vertellen dat-ie voordat gaat kopiëren ff
                       mkdir -p op de smurfer doet?
 Thu 31 15:19 < joostvb> een eigen csp_PUSH schrijven
 Thu 31 15:20 < joostvb> csp_PUSH krijgt zowel filenaam als directory mee als
                         argument
 Thu 31 15:20 < joostvb> dus das kei makkelijk
 Thu 31 15:20 < Fruit> csp_OLD_PUSH := $(csp_PUSH)
 Thu 31 15:20 < Fruit> csp_PUSH := ssh $iets mkdir $dir; $(csp_OLD_PUSH)

4.13) The scp invocation is inefficient:

   % make -n README.txt-install net.txt-install
   scp "README.txt" pong:/data/www/doc/doc/;
   scp "net.txt" pong:/data/www/doc/doc/;

  Should be:

   scp "README.txt" "net.txt" pong:/data/www/doc/doc/;

  $@ vs $? might be helpful.

4.14) test wether file is up to date before scp-ing it, in order to prevent us from
  doing useless (and expensive) installs.   use ControlMaster
  ssh_config(5) to reuse one ssh conection?  Perhaps this:

   ControlMaster auto
   ControlPath ~/.ssh/control/%r@%h:%p

  in your ~/.ssh/config (and having an ssh connection open to all relevant
  hosts) fixes all "troubles". (This option is not available on Debian sarge.)

4.15) Ideas insprired by a discussion with Fred Vos:
  Perhaps a note on how to use commit-hooks could be added to
  documentation.  Perhaps a note on ssh forced commands could be added.  Perhaps
  a note on a "make commit" could be added.

4.16) document this: including an included Makefile:

    here := $(dir $(lastword $(MAKEFILE_LIST)))
    include $(here)../../foo/bar/install.mk

  Thanks Wessel.

  Alternative: /usr/local/foo, as used in svn/its-unix

4.17) if one really wants, one can overrule caspar's default target:

 ---------

 csp_SCPDIR = /etc/ssl/chains/
 csp_TABOOFILES_ADD = %.asc

 all: install
 install: check makedir

 include ../../../include/install.mk

 check:
        for cert in *.pem; do \
                echo "$$cert:"; \
                gpg --verify $$cert.asc $$cert; \
        done

 makedir:
        for suh in $(csp_SUHS); do \
          ssh $$suh mkdir -p /etc/ssl/chains; \
        done

 .PHONY: check makedir

 ---------

 very likely, one could better use the "build" target for this.

4.18) it's not necessary to have Makefile in all directories of a tree, provided
caspar is fixed:

replace

 DIRS := $(shell for d in *; do test -d $$d && echo $$d; done)

by

 DIRS :=  $(patsubst %/Makefile,%,$(shell find * -mindepth 1 -name Makefile))

thanks Wessel. (This might break for trees combining GNUmakefile with Makefile
[za 14 22:29 <Fruit> dat breekt niet voor dat soort directories, ga maar na!
;)] .) Once this fix is implemented, get rid of the example toplevel Makefile
in caspar(7).
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