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From: Gabor Kovesdan <gabor@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 122925 for review
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http://perforce.freebsd.org/chv.cgi?CH=122925

Change 122925 by gabor@gabor_server on 2007/07/05 09:05:54

	- Check in latest changes to mounting. Very experimental.

Affected files ...

.. //depot/projects/soc2006/gabor_destdir/Mk/bsd.destdir.mk#18 edit

Differences ...

==== //depot/projects/soc2006/gabor_destdir/Mk/bsd.destdir.mk#18 (text+ko) ====

@@ -45,12 +45,14 @@
 
 DESTDIR_ENV_LIST?=
 
-DESTDIR_ENV=	DESTDIR= CHROOTED=YES PORTSDIR=${PORTSDIR_TMP_REL}
+DESTDIR_ENV=	DESTDIR= CHROOTED=YES
 
-.for _var in ${DESTDIR_ENV_LIST:NDESTDIR:NCHROOTED:NPORTSDIR}
+.for _var in ${DESTDIR_ENV_LIST:NDESTDIR:NCHROOTED}
 DESTDIR_ENV+=	${_var}="${${_var}}"
 .endfor
 
+DESTDIR_MOUNT_LIST?=	PORTSDIR:${PORTSDIR}
+
 .for _target in ${.TARGETS}
 ${_target}: pre-chroot do-chroot
 	@${TRUE}
@@ -62,14 +64,32 @@
 .endif
 
 .if !target(do-chroot)
-
-PORTSDIR_TMP!=		${MKTEMP} -d ${DESTDIR}/tmp/portsdir.XXXXXX
-PORTSDIR_TMP_REL=	${PORTSDIR_TMP:S,^${DESTDIR},,}
-BUILDDIR=		${.CURDIR:S,^${PORTSDIR},,:S,^,${PORTSDIR_TMP_REL},}
-
 do-chroot:
-	${ECHO_CMD} "===>  Nullmounting ports tree into ${DESTDIR}..."; \
-	${MOUNT_NULLFS} ${PORTSDIR} ${DESTDIR}${PORTSDIR_TMP_REL}; \
+	@for _entry in ${DESTDIR_MOUNT_LIST}; do \
+		_var=	`${ECHO_CMD} $${_entry} | ${SED} -e 's/:.*//'`; \
+		_path1=	`${ECHO_CMD} $${_entry} | ${SED} -e 's/[^:]*://'`; \
+		_path2=	`${ECHO_CMD} $${_path1} | ${SED} -e 's/.*://'`; \
+		echo "$${_var} $${_path1} $${_path2}"; \
+		if [ $${_path1} = $${_path2} ]; then \
+			_tmpdir=	`${MKTEMP} -d ${DESTDIR}/tmp/tmpdir.XXXXXX`; \
+			_tmpdir_rel=	`${ECHO_CMD} $${_tmpdir} | ${SED} -e 's|^${DESTDIR}||'`; \
+			if [ $${_var} = PORTSDIR ]; then \
+				_builddir=	${ECHO_CMD} ${.CURDIR} | ${SED} -e 's|^${PORTSDIR}||' -e 's|^|$${_tmpdir_rel}|'; \
+			fi; \
+			_tmp=	"$${_destdir_env}"; \
+			_destdir_env=	"$${_tmp} $${_var}=$${_tmpdir_rel}"; \
+			echo "$${_destdir_env}"; \
+			${MOUNT_NULLFS} $${_path1} ${DESTDIR}${_tmpdir_rel}; \
+		else \
+			if [ $${_var} = PORTSDIR ]; then \
+				_builddir=	${ECHO_CMD} ${.CURDIR} | ${SED} -e 's|^${PORTSDIR}||' -e 's|^|$${_tmpdir_rel}|'; \
+			fi; \
+			_tmp=	"$${_destdir_env}"; \
+			_destdir_env=	"$${_tmp} $${_var}=$${_path2}"; \
+			${MOUNT_NULLFS} $${_path1} ${DESTDIR}/$${_path2}; \
+		fi; \
+	done; \
+	echo "$${_destdir_env}"; \
 	found=0; \
 	for _entry in `${MOUNT} | ${GREP} devfs | ${AWK} {'print $$3'}`; do \
 		if [ `${REALPATH} $${_entry}` = `${REALPATH} ${DESTDIR}/dev` ]; then \
@@ -81,9 +101,7 @@
 		${MOUNT_DEVFS} ${DESTDIR}/dev; \
 	fi; \
 	${ECHO_CMD} "===>  Starting chrooted make in ${DESTDIR}..."; \
-	${CHROOT} ${DESTDIR} ${SH} -c "(cd ${BUILDDIR}; ${SETENV} -i ${DESTDIR_ENV} ${MAKE} ${.TARGETS})"; \
-	${UMOUNT} ${DESTDIR}${PORTSDIR_TMP_REL}; \
-	${RMDIR} ${DESTDIR}${PORTSDIR_TMP_REL}
+	${CHROOT} ${DESTDIR} ${SH} -c "(cd $${_builddir}; ${SETENV} -i ${DESTDIR_ENV} $${_destdir_env} ${MAKE} ${.TARGETS})"
 .endif
 
 .endif