X-Git-Url: https://gitweb.dragonflybsd.org/~tuxillo/dragonfly.git/blobdiff_plain/34483efcd245c6c0ca04de596876445bfb8ab5e4..7bee86c0ec635f688e37b15e7aa203a961ec4c84:/Makefile.inc1

diff --git a/Makefile.inc1 b/Makefile.inc1
index 198d336b73..304796a331 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -10,6 +10,8 @@
 # realquickworld - skip the glue and depend stages and just build the meat
 # crossworld  - only build the glue (particularly the cross-build environment)
 # installworld- install everything built by "buildworld"
+# backupworld - copies /bin /sbin /usr/bin /usr/sbin /libexec to backup dir
+# restoreworld- installs binaries from backup dir to world
 # most        - build user commands, no libraries or include files
 # installmost - install user commands, no libraries or include files
 #
@@ -123,6 +125,20 @@ WORLD_CCVER?=		gcc47
 WORLD_LDVER?=		ld.bfd
 WORLD_BINUTILSVER?=	binutils222
 
+# Set the backup parameters if they are not already defined
+#
+WORLD_BACKUP?=		/var/backups/world_binaries
+DAYS_BACKUP?=		28
+.if exists(${WORLD_BACKUP}/lastbackup)
+BK_REFERENCE!=		date +'%s'
+BK_EXPIRES!=		expr ${DAYS_BACKUP} \* 86400 + `cat ${WORLD_BACKUP}/lastbackup`
+.  if ${BK_REFERENCE} > ${BK_EXPIRES}
+BACKUP_EXPIRED=		yes
+.  endif
+.else
+NEVER_BACKED_UP=	yes
+.endif
+
 # temporary until everybody has converted to x86_64
 .if ${MACHINE_ARCH} == "amd64"
 MACHINE_ARCH=	x86_64
@@ -463,6 +479,16 @@ installcheck:
 .if !defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/"
 	@case `uname -r` in 1.2*|1.3-*|1.3.*|1.4.*|1.5.0-*|1.5.1-*|1.5.2-*|1.5.3-*) echo "You must upgrade your kernel to at least 1.5.4 and reboot before you can safely installworld, due to libc/system call ABI changes" ; /usr/bin/false ; esac
 .endif
+.if !defined(NO_BACKUP)
+.  if defined(NEVER_BACKED_UP)
+	@echo "Run 'make backupworld' or set NO_BACKUP first"
+	/usr/bin/false
+.  elif defined(BACKUP_EXPIRED)
+	@echo "More than ${DAYS_BACKUP} days have passed since last backup."
+	@echo "Run 'make backupworld' or set NO_BACKUP first"
+	/usr/bin/false
+.  endif
+.endif
 #
 # installworld
 #
@@ -1044,6 +1070,43 @@ xmake:
 xmakeenv:
 	@echo '${XMAKEENV} /bin/sh'
 
+backupworld:
+	@mkdir -p ${WORLD_BACKUP}
+	@chflags -R noschg ${WORLD_BACKUP}
+	@rm -rf ${WORLD_BACKUP}/sbin ${WORLD_BACKUP}/bin \
+	        ${WORLD_BACKUP}/usr.sbin ${WORLD_BACKUP}/usr.bin \
+	        ${WORLD_BACKUP}/usr.libexec
+	cp -a /sbin ${WORLD_BACKUP}/sbin
+	cp -a /bin ${WORLD_BACKUP}/bin
+	cp -a /usr/sbin ${WORLD_BACKUP}/usr.sbin
+	cp -a /usr/bin ${WORLD_BACKUP}/usr.bin
+	cp -a /usr/libexec ${WORLD_BACKUP}/usr.libexec
+	@date +'%s' > ${WORLD_BACKUP}/lastbackup
+
+restoreworld:
+.if !(exists(${WORLD_BACKUP}/sbin) && exists(${WORLD_BACKUP}/bin) && \
+      exists(${WORLD_BACKUP}/usr.sbin) && exists(${WORLD_BACKUP}/usr.bin) && \
+      exists(${WORLD_BACKUP}/usr.libexec))
+	@echo "There does not seem to be a valid archive present."
+.else
+	@echo "Restoring system binaries from backup archive..."
+	@rm -f /tmp/rs.tmp
+.for BX in sbin bin usr.sbin usr.bin usr.libexec
+	@chflags -R noschg /${BX:S/./\//}
+	@cd ${WORLD_BACKUP}/${BX} && find * -type f -perm +700 -exec \
+	  echo cp ${WORLD_BACKUP}/${BX}/{} /${BX:S/./\//}/{} >> /tmp/rs.tmp \;
+.endfor
+	@grep -Ev ' (/bin/sh|/bin/cp|/sbin/init.bak|/usr/bin/make|/usr/libexec/ld-elf.so.2|/usr/libexec/ld-elf.so.2.old)$$' \
+	   /tmp/rs.tmp > /tmp/restore.script
+	@/bin/sh /tmp/restore.script
+	@rm /tmp/rs.tmp /tmp/restore.script
+	@echo "These files were not restored from ${WORLD_BACKUP}:"
+	@echo "   /bin/cp"
+	@echo "   /bin/sh"
+	@echo "   /usr/bin/make"
+	@echo "   /usr/libexec/ld-elf.so.2"
+.endif
+
 # Take advantage of bmake error response
 #
 MAKE_PRINT_VAR_ON_ERROR= \