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# Copyright 1999-2004 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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# $Header: /var/cvsroot/gentoo-x86/eclass/cvs.eclass,v 1.58 2005/07/11 15:08:06 swegener Exp $ |
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|
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# Current Maintainer: Tal Peer <coredumb@gentoo.org> |
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# Original Author: Dan Armak <danarmak@gentoo.org> |
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|
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# SSH auth code by Danny <danny.milo@gmx.net> |
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|
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# SSH password authentication support and host key verification |
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# support by Jeremy Maitin-Shepard <jbms@gentoo.org> |
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|
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|
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# This eclass provides the generic cvs fetching functions. To use |
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# this from an ebuild, set the `ebuild-configurable settings' as |
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# specified below in your ebuild before inheriting. Then either leave |
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# the default src_unpack or extend over cvs_src_unpack. If you find |
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# that you need to call the cvs_* functions directly, I'd be |
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# interested to hear about it. |
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|
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# TODO: |
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|
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# Implement more auth types (gserver?, kserver?) |
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|
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# Support additional remote shells with `ext' authentication (does |
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# anyone actually need to use it with anything other than SSH?) |
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|
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|
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|
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# Users shouldn't change these settings! The ebuild/eclass inheriting |
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# this eclass will take care of that. If you want to set the global |
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# KDE cvs ebuilds' settings, see the comments in kde-source.eclass. |
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|
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# --- begin ebuild-configurable settings |
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|
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# ECVS_CVS_COMMAND -- CVS command to run |
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# |
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# You can set, for example, "cvs -t" for extensive debug information |
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# on the cvs connection. The default of "cvs -q -f -z4" means to be |
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# quiet, to disregard the ~/.cvsrc config file and to use maximum |
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# compression. |
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|
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[ -z "$ECVS_CVS_COMMAND" ] && ECVS_CVS_COMMAND="cvs -q -f -z4" |
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|
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|
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# ECVS_UP_OPTS, ECVS_CO_OPTS -- CVS options given after the cvs |
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# command (update or checkout). |
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# |
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# Don't remove -dP from update or things won't work. |
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|
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[ -z "$ECVS_UP_OPTS" ] && ECVS_UP_OPTS="-dP" |
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[ -z "$ECVS_CO_OPTS" ] && ECVS_CO_OPTS="" |
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|
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|
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# ECVS_LOCAL -- If this is set, the CVS module will be fetched |
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# non-recursively. Refer to the information in the CVS man page |
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# regarding the -l command option (not the -l global option). |
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|
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|
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# ECVS_LOCALNAME -- local name of checkout directory |
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# |
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# This is useful if the module on the server is called something |
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# common like 'driver' or is nested deep in a tree, and you don't like |
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# useless empty directories. |
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# |
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# WARNING: Set this only from within ebuilds! If set in your shell or |
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# some such, things will break because the ebuild won't expect it and |
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# have e.g. a wrong $S setting. |
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|
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|
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# ECVS_TOP_DIR -- The directory under which CVS modules are checked |
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# out. |
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|
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[ -z "$ECVS_TOP_DIR" ] && ECVS_TOP_DIR="${DISTDIR}/cvs-src" |
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|
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# ECVS_SERVER -- CVS path |
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# |
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# The format is "server:/dir", e.g. "anoncvs.kde.org:/home/kde". |
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# Remove the other parts of the full CVSROOT, which might look like |
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# ":pserver:anonymous@anoncvs.kde.org:/home/kde"; this is generated |
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# using other settings also. |
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# |
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# Set this to "offline" to disable fetching (i.e. to assume the module |
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# is already checked out in ECVS_TOP_DIR). |
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|
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[ -z "$ECVS_SERVER" ] && ECVS_SERVER="offline" |
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|
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|
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# ECVS_MODULE -- the name of the CVS module to be fetched |
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# |
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# This must be set when cvs_src_unpack is called. This can include |
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# several directory levels, i.e. "foo/bar/baz" |
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|
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#[ -z "$ECVS_MODULE" ] && die "$ECLASS: error: ECVS_MODULE not set, cannot continue" |
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|
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|
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# ECVS_BRANCH -- the name of the branch/tag to use |
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|
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# The default is "HEAD". The following default _will_ reset your |
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# branch checkout to head if used. |
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|
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#[ -z "$ECVS_BRANCH" ] && ECVS_BRANCH="HEAD" |
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|
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|
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# ECVS_AUTH -- authentication method to use |
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# |
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# Possible values are "pserver" and "ext". If `ext' authentication is |
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# used, the remote shell to use can be specified in CVS_RSH (SSH is |
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# used by default). Currently, the only supported remote shell for |
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# `ext' authentication is SSH. |
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# |
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# Armando Di Cianno <fafhrd@gentoo.org> 2004/09/27 |
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# - Added "no" as a server type, which uses no AUTH method, nor |
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# does it login |
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# e.g. |
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# "cvs -danoncvs@savannah.gnu.org:/cvsroot/backbone co System" |
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# ( from gnustep-apps/textedit ) |
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[ -z "$ECVS_AUTH" ] && ECVS_AUTH="pserver" |
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|
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# ECVS_USER -- Username to use for authentication on the remote server |
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[ -z "$ECVS_USER" ] && ECVS_USER="anonymous" |
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|
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|
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# ECVS_PASS -- Password to use for authentication on the remote server |
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[ -z "$ECVS_PASS" ] && ECVS_PASS="" |
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|
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|
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# ECVS_SSH_HOST_KEY |
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# |
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# If SSH is used for `ext' authentication, use this variable to |
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# specify the host key of the remote server. The format of the value |
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# should be the same format that is used for the SSH known hosts file. |
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# |
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# WARNING: If a SSH host key is not specified using this variable, the |
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# remote host key will not be verified. |
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|
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|
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# ECVS_CLEAN -- Set this to get a clean copy when updating (passes the |
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# -C option to cvs update) |
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|
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|
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# ECVS_RUNAS |
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# |
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# Specifies an alternate (non-root) user to use to run cvs. Currently |
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# b0rked and wouldn't work with portage userpriv anyway without |
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# special magic. |
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|
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# [ -z "$ECVS_RUNAS" ] && ECVS_RUNAS="`whoami`" |
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|
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|
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# ECVS_SUBDIR -- deprecated, do not use |
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[ -n "$ECVS_SUBDIR" ] && die "ERROR: deprecated ECVS_SUBDIR defined. Please fix this ebuild." |
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|
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|
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# --- end ebuild-configurable settings --- |
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|
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# add cvs to deps |
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# ssh is used for ext auth |
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# sudo is used to run as a specified user |
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DEPEND="dev-util/cvs app-admin/sudo" |
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|
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if [ "$ECVS_AUTH" == "ext" ]; then |
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#default to ssh |
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[ -z "$CVS_RSH" ] && export CVS_RSH="ssh" |
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if [ "$CVS_RSH" != "ssh" ]; then |
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die "Support for ext auth with clients other than ssh has not been implemented yet" |
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fi |
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DEPEND="${DEPEND} net-misc/openssh" |
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fi |
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|
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# called from cvs_src_unpack |
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cvs_fetch() { |
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|
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# Make these options local variables so that the global values are |
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# not affected by modifications in this function. |
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|
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local ECVS_COMMAND="${ECVS_COMMAND}" |
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local ECVS_UP_OPTS="${ECVS_UP_OPTS}" |
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local ECVS_CO_OPTS="${ECVS_CO_OPTS}" |
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|
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# Fix for sourceforge which doesnt want -z>3 anymore. |
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|
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(echo $ECVS_SERVER | grep -q sourceforge) \ |
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&& [ "$ECVS_CVS_COMMAND" == "cvs -q -f -z4" ] \ |
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&& ECVS_CVS_COMMAND="cvs -q -f -z3" |
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|
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debug-print-function $FUNCNAME $* |
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|
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# Update variables that are modified by ebuild parameters, which |
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# should be effective every time cvs_fetch is called, and not just |
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# every time cvs.eclass is inherited |
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|
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# Handle parameter for local (non-recursive) fetching |
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|
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if [ -n "$ECVS_LOCAL" ]; then |
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ECVS_UP_OPTS="$ECVS_UP_OPTS -l" |
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ECVS_CO_OPTS="$ECVS_CO_OPTS -l" |
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fi |
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|
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# Handle ECVS_BRANCH option |
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# |
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# Because CVS auto-switches branches, we just have to pass the |
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# correct -rBRANCH option when updating. |
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|
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if [ -n "$ECVS_BRANCH" ]; then |
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ECVS_UP_OPTS="$ECVS_UP_OPTS -r$ECVS_BRANCH" |
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ECVS_CO_OPTS="$ECVS_CO_OPTS -r$ECVS_BRANCH" |
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fi |
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|
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# Handle ECVS_LOCALNAME, which specifies the local directory name |
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# to use. Note that the -d command option is not equivalent to |
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# the global -d option. |
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|
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if [ "$ECVS_LOCALNAME" != "$ECVS_MODULE" ]; then |
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ECVS_CO_OPTS="$ECVS_CO_OPTS -d $ECVS_LOCALNAME" |
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fi |
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|
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|
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if [ -n "$ECVS_CLEAN" ]; then |
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ECVS_UP_OPTS="$ECVS_UP_OPTS -C" |
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fi |
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|
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|
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# It would be easiest to always be in "run-as mode", logic-wise, |
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# if sudo didn't ask for a password even when sudo'ing to `whoami`. |
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|
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if [ -z "$ECVS_RUNAS" ]; then |
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run="" |
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else |
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run="sudo -u $ECVS_RUNAS" |
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fi |
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|
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# Create the top dir if needed |
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|
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if [ ! -d "$ECVS_TOP_DIR" ]; then |
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|
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# Note that the addwrite statements in this block are only |
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# there to allow creating ECVS_TOP_DIR; we allow writing |
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# inside it separately. |
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|
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# This is because it's simpler than trying to find out the |
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# parent path of the directory, which would need to be the |
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# real path and not a symlink for things to work (so we can't |
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# just remove the last path element in the string) |
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|
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debug-print "$FUNCNAME: checkout mode. creating cvs directory" |
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addwrite /foobar |
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addwrite / |
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$run mkdir -p "/$ECVS_TOP_DIR" |
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export SANDBOX_WRITE="${SANDBOX_WRITE//:\/foobar:\/}" |
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fi |
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|
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# In case ECVS_TOP_DIR is a symlink to a dir, get the real path, |
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# otherwise addwrite() doesn't work. |
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|
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cd -P "$ECVS_TOP_DIR" > /dev/null |
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ECVS_TOP_DIR="`/bin/pwd`" |
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|
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# Disable the sandbox for this dir |
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addwrite "$ECVS_TOP_DIR" |
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|
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# Chown the directory and all of its contents |
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if [ -n "$ECVS_RUNAS" ]; then |
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$run chown -R "$ECVS_RUNAS" "/$ECVS_TOP_DIR" |
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fi |
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|
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# Determine the CVS command mode (checkout or update) |
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if [ ! -d "$ECVS_TOP_DIR/$ECVS_LOCALNAME/CVS" ]; then |
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mode=checkout |
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else |
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mode=update |
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fi |
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|
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|
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# Our server string (i.e. CVSROOT) without the password so it can |
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# be put in Root |
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if [ "$ECVS_AUTH" == "no" ] |
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then |
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local server="${ECVS_USER}@${ECVS_SERVER}" |
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else |
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local server=":${ECVS_AUTH}:${ECVS_USER}@${ECVS_SERVER}" |
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fi |
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|
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# Switch servers automagically if needed |
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if [ "$mode" == "update" ]; then |
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cd /$ECVS_TOP_DIR/$ECVS_LOCALNAME |
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local oldserver="`$run cat CVS/Root`" |
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if [ "$server" != "$oldserver" ]; then |
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|
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einfo "Changing the CVS server from $oldserver to $server:" |
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debug-print "$FUNCNAME: Changing the CVS server from $oldserver to $server:" |
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|
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einfo "Searching for CVS directories ..." |
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local cvsdirs="`$run find . -iname CVS -print`" |
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debug-print "$FUNCNAME: CVS directories found:" |
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debug-print "$cvsdirs" |
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|
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einfo "Modifying CVS directories ..." |
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for x in $cvsdirs; do |
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debug-print "In $x" |
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$run echo "$server" > "$x/Root" |
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done |
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|
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fi |
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fi |
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|
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# Prepare a cvspass file just for this session, we don't want to |
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# mess with ~/.cvspass |
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touch "${T}/cvspass" |
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export CVS_PASSFILE="${T}/cvspass" |
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if [ -n "$ECVS_RUNAS" ]; then |
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chown "$ECVS_RUNAS" "${T}/cvspass" |
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fi |
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|
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# The server string with the password in it, for login |
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cvsroot_pass=":${ECVS_AUTH}:${ECVS_USER}:${ECVS_PASS}@${ECVS_SERVER}" |
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|
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# Ditto without the password, for checkout/update after login, so |
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# that the CVS/Root files don't contain the password in plaintext |
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if [ "$ECVS_AUTH" == "no" ] |
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then |
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cvsroot_nopass="${ECVS_USER}@${ECVS_SERVER}" |
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else |
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cvsroot_nopass=":${ECVS_AUTH}:${ECVS_USER}@${ECVS_SERVER}" |
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fi |
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|
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# Commands to run |
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cmdlogin="${run} ${ECVS_CVS_COMMAND} -d \"${cvsroot_pass}\" login" |
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cmdupdate="${run} ${ECVS_CVS_COMMAND} -d \"${cvsroot_nopass}\" update ${ECVS_UP_OPTS} ${ECVS_LOCALNAME}" |
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cmdcheckout="${run} ${ECVS_CVS_COMMAND} -d \"${cvsroot_nopass}\" checkout ${ECVS_CO_OPTS} ${ECVS_MODULE}" |
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|
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# Execute commands |
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|
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cd "${ECVS_TOP_DIR}" |
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if [ "${ECVS_AUTH}" == "pserver" ]; then |
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einfo "Running $cmdlogin" |
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eval $cmdlogin || die "cvs login command failed" |
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if [ "${mode}" == "update" ]; then |
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einfo "Running $cmdupdate" |
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eval $cmdupdate || die "cvs update command failed" |
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elif [ "${mode}" == "checkout" ]; then |
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einfo "Running $cmdcheckout" |
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eval $cmdcheckout|| die "cvs checkout command failed" |
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fi |
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elif [ "${ECVS_AUTH}" == "ext" ] || [ "${ECVS_AUTH}" == "no" ]; then |
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|
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# Hack to support SSH password authentication |
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|
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# Backup environment variable values |
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local CVS_ECLASS_ORIG_CVS_RSH="${CVS_RSH}" |
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|
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if [ "${SSH_ASKPASS+set}" == "set" ]; then |
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local CVS_ECLASS_ORIG_SSH_ASKPASS="${SSH_ASKPASS}" |
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else |
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unset CVS_ECLASS_ORIG_SSH_ASKPASS |
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fi |
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|
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if [ "${DISPLAY+set}" == "set" ]; then |
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local CVS_ECLASS_ORIG_DISPLAY="${DISPLAY}" |
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else |
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unset CVS_ECLASS_ORIG_DISPLAY |
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fi |
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|
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if [ "${CVS_RSH}" == "ssh" ]; then |
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|
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# Force SSH to use SSH_ASKPASS by creating python wrapper |
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|
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export CVS_RSH="${T}/cvs_sshwrapper" |
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cat > "${CVS_RSH}"<<EOF |
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#!/usr/bin/python |
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import fcntl |
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import os |
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import sys |
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try: |
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fd = os.open('/dev/tty', 2) |
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TIOCNOTTY=0x5422 |
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try: |
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fcntl.ioctl(fd, TIOCNOTTY) |
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except: |
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pass |
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os.close(fd) |
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except: |
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pass |
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newarglist = sys.argv[:] |
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EOF |
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|
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# disable X11 forwarding which causes .xauth access violations |
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# - 20041205 Armando Di Cianno <fafhrd@gentoo.org> |
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echo "newarglist.insert(1, '-oClearAllForwardings=yes')" \ |
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>> "${CVS_RSH}" |
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echo "newarglist.insert(1, '-oForwardX11=no')" \ |
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>> "${CVS_RSH}" |
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|
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# Handle SSH host key checking |
| 395 |
|
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local CVS_ECLASS_KNOWN_HOSTS="${T}/cvs_ssh_known_hosts" |
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echo "newarglist.insert(1, '-oUserKnownHostsFile=${CVS_ECLASS_KNOWN_HOSTS}')" \ |
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>> "${CVS_RSH}" |
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|
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if [ -z "${ECVS_SSH_HOST_KEY}" ]; then |
| 401 |
ewarn "Warning: The SSH host key of the remote server will not be verified." |
| 402 |
einfo "A temporary known hosts list will be used." |
| 403 |
local CVS_ECLASS_STRICT_HOST_CHECKING="no" |
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touch "${CVS_ECLASS_KNOWN_HOSTS}" |
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else |
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local CVS_ECLASS_STRICT_HOST_CHECKING="yes" |
| 407 |
echo "${ECVS_SSH_HOST_KEY}" > "${CVS_ECLASS_KNOWN_HOSTS}" |
| 408 |
fi |
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|
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echo -n "newarglist.insert(1, '-oStrictHostKeyChecking=" \ |
| 411 |
>> "${CVS_RSH}" |
| 412 |
echo "${CVS_ECLASS_STRICT_HOST_CHECKING}')" \ |
| 413 |
>> "${CVS_RSH}" |
| 414 |
echo "os.execv('/usr/bin/ssh', newarglist)" \ |
| 415 |
>> "${CVS_RSH}" |
| 416 |
|
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chmod a+x "${CVS_RSH}" |
| 418 |
|
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# Make sure DISPLAY is set (SSH will not use SSH_ASKPASS |
| 420 |
# if DISPLAY is not set) |
| 421 |
|
| 422 |
[ -z "${DISPLAY}" ] && DISPLAY="DISPLAY" |
| 423 |
export DISPLAY |
| 424 |
|
| 425 |
# Create a dummy executable to echo $ECVS_PASS |
| 426 |
|
| 427 |
export SSH_ASKPASS="${T}/cvs_sshechopass" |
| 428 |
if [ "${ECVS_AUTH}" != "no" ]; then |
| 429 |
echo -en "#!/bin/bash\necho \"$ECVS_PASS\"\n" \ |
| 430 |
> "${SSH_ASKPASS}" |
| 431 |
else |
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echo -en "#!/bin/bash\nreturn\n" \ |
| 433 |
> "${SSH_ASKPASS}" |
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|
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fi |
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chmod a+x "${SSH_ASKPASS}" |
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fi |
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|
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if [ "${mode}" == "update" ]; then |
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einfo "Running $cmdupdate" |
| 441 |
eval $cmdupdate || die "cvs update command failed" |
| 442 |
elif [ "${mode}" == "checkout" ]; then |
| 443 |
einfo "Running $cmdcheckout" |
| 444 |
eval $cmdcheckout|| die "cvs checkout command failed" |
| 445 |
fi |
| 446 |
|
| 447 |
# Restore environment variable values |
| 448 |
export CVS_RSH="${CVS_ECLASS_ORIG_CVS_RSH}" |
| 449 |
if [ "${CVS_ECLASS_ORIG_SSH_ASKPASS+set}" == "set" ]; then |
| 450 |
export SSH_ASKPASS="${CVS_ECLASS_ORIG_SSH_ASKPASS}" |
| 451 |
else |
| 452 |
unset SSH_ASKPASS |
| 453 |
fi |
| 454 |
|
| 455 |
if [ "${CVS_ECLASS_ORIG_DISPLAY+set}" == "set" ]; then |
| 456 |
export DISPLAY="${CVS_ECLASS_ORIG_DISPLAY}" |
| 457 |
else |
| 458 |
unset DISPLAY |
| 459 |
fi |
| 460 |
fi |
| 461 |
|
| 462 |
# Restore ownership. Not sure why this is needed, but someone |
| 463 |
# added it in the orig ECVS_RUNAS stuff. |
| 464 |
if [ -n "$ECVS_RUNAS" ]; then |
| 465 |
chown `whoami` "${T}/cvspass" |
| 466 |
fi |
| 467 |
|
| 468 |
} |
| 469 |
|
| 470 |
|
| 471 |
cvs_src_unpack() { |
| 472 |
|
| 473 |
debug-print-function $FUNCNAME $* |
| 474 |
|
| 475 |
debug-print "$FUNCNAME: init: |
| 476 |
ECVS_CVS_COMMAND=$ECVS_CVS_COMMAND |
| 477 |
ECVS_UP_OPTS=$ECVS_UP_OPTS |
| 478 |
ECVS_CO_OPTS=$ECVS_CO_OPTS |
| 479 |
ECVS_TOP_DIR=$ECVS_TOP_DIR |
| 480 |
ECVS_SERVER=$ECVS_SERVER |
| 481 |
ECVS_USER=$ECVS_USER |
| 482 |
ECVS_PASS=$ECVS_PASS |
| 483 |
ECVS_MODULE=$ECVS_MODULE |
| 484 |
ECVS_LOCAL=$ECVS_LOCAL |
| 485 |
ECVS_RUNAS=$ECVS_RUNAS |
| 486 |
ECVS_LOCALNAME=$ECVS_LOCALNAME" |
| 487 |
|
| 488 |
[ -z "$ECVS_MODULE" ] && die "ERROR: CVS module not set, cannot continue." |
| 489 |
|
| 490 |
local ECVS_LOCALNAME="${ECVS_LOCALNAME}" |
| 491 |
|
| 492 |
if [ -z "$ECVS_LOCALNAME" ]; then |
| 493 |
ECVS_LOCALNAME="$ECVS_MODULE" |
| 494 |
fi |
| 495 |
|
| 496 |
if [ "$ECVS_SERVER" == "offline" ]; then |
| 497 |
# We're not required to fetch anything; the module already |
| 498 |
# exists and shouldn't be updated. |
| 499 |
if [ -d "${ECVS_TOP_DIR}/${ECVS_LOCALNAME}" ]; then |
| 500 |
debug-print "$FUNCNAME: offline mode" |
| 501 |
else |
| 502 |
debug-print "$FUNCNAME: Offline mode specified but directory ${ECVS_TOP_DIR}/${ECVS_LOCALNAME} not found, exiting with error" |
| 503 |
die "ERROR: Offline mode specified, but directory ${ECVS_TOP_DIR}/${ECVS_LOCALNAME} not found. Aborting." |
| 504 |
fi |
| 505 |
elif [ -n "$ECVS_SERVER" ]; then # ECVS_SERVER!=offline --> real fetching mode |
| 506 |
einfo "Fetching CVS module $ECVS_MODULE into $ECVS_TOP_DIR ..." |
| 507 |
cvs_fetch |
| 508 |
else # ECVS_SERVER not set |
| 509 |
die "ERROR: CVS server not specified, cannot continue." |
| 510 |
fi |
| 511 |
|
| 512 |
einfo "Copying $ECVS_MODULE from $ECVS_TOP_DIR ..." |
| 513 |
debug-print "Copying module $ECVS_MODULE local_mode=$ECVS_LOCAL from $ECVS_TOP_DIR ..." |
| 514 |
|
| 515 |
# This is probably redundant, but best to make sure. |
| 516 |
mkdir -p "$WORKDIR/$ECVS_LOCALNAME" |
| 517 |
|
| 518 |
if [ -n "$ECVS_LOCAL" ]; then |
| 519 |
cp -f "$ECVS_TOP_DIR/$ECVS_LOCALNAME"/* "$WORKDIR/$ECVS_LOCALNAME" |
| 520 |
else |
| 521 |
cp -Rf "$ECVS_TOP_DIR/$ECVS_LOCALNAME" "$WORKDIR/$ECVS_LOCALNAME/.." |
| 522 |
fi |
| 523 |
|
| 524 |
# If the directory is empty, remove it; empty directories cannot |
| 525 |
# exist in cvs. This happens when, for example, kde-source |
| 526 |
# requests module/doc/subdir which doesn't exist. Still create |
| 527 |
# the empty directory in workdir though. |
| 528 |
if [ "`ls -A \"${ECVS_TOP_DIR}/${ECVS_LOCALNAME}\"`" == "CVS" ]; then |
| 529 |
debug-print "$FUNCNAME: removing empty CVS directory $ECVS_LOCALNAME" |
| 530 |
rm -rf "${ECVS_TOP_DIR}/${ECVS_LOCALNAME}" |
| 531 |
fi |
| 532 |
|
| 533 |
# Implement some of base_src_unpack's functionality; note however |
| 534 |
# that base.eclass may not have been inherited! |
| 535 |
if [ -n "$PATCHES" ]; then |
| 536 |
debug-print "$FUNCNAME: PATCHES=$PATCHES, S=$S, autopatching" |
| 537 |
cd "$S" |
| 538 |
for x in $PATCHES; do |
| 539 |
debug-print "patching from $x" |
| 540 |
patch -p0 < "$x" |
| 541 |
done |
| 542 |
# Make sure we don't try to apply patches more than once, |
| 543 |
# since cvs_src_unpack is usually called several times from |
| 544 |
# e.g. kde-source_src_unpack |
| 545 |
export PATCHES="" |
| 546 |
fi |
| 547 |
|
| 548 |
einfo "CVS module ${ECVS_MODULE} is now in ${WORKDIR}" |
| 549 |
} |
| 550 |
|
| 551 |
EXPORT_FUNCTIONS src_unpack |
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