chore: sync with 9fans upstream

.gitignore

@@ -1,23 +1,296 @@
-plan9.log
-plan9-reverse.log
-state
-state.old
-state.journal
-*.o
 *.a
-man/man?/*.html
-src/**/o.*
-y.tab.[ch]
-src/cmd/rc/x.tab.h
-unix/*.tgz
-bin/
-log/
-dict/
-postscript/font/
+*.o
 *.orig
+LOCAL.config
+bin/"
+bin/""
+bin/9660srv
+bin/9import
+bin/9p
+bin/9pfuse
+bin/9pserve
+bin/9term
+bin/Mail
+bin/Netfiles
+bin/acid
+bin/acidtypes
+bin/acme
+bin/acmeevent
+bin/aescbc
+bin/ascii
+bin/asn12dsa
+bin/asn12rsa
+bin/astro
+bin/auxclog
+bin/auxstats
+bin/awk
+bin/basename
+bin/bc
+bin/bmp
+bin/bunzip2
+bin/bzip2
+bin/cal
+bin/calendar
+bin/cat
+bin/cb
+bin/cleanname
+bin/clock
+bin/cmapcube
+bin/cmp
+bin/col
+bin/colors
+bin/comm
+bin/compress
+bin/core
+bin/crop
+bin/date
+bin/db
+bin/dc
+bin/dd
+bin/delatex
+bin/deroff
+bin/devdraw
+bin/dial
+bin/dict
+bin/diff
+bin/disk/mkext
+bin/disk/mkfs
+bin/disknfs
+bin/dns
+bin/dnsdebug
+bin/dnsquery
+bin/dnstcp
+bin/dsa2pub
+bin/dsa2ssh
+bin/dsagen
+bin/dsasign
+bin/du
+bin/dump9660
+bin/echo
+bin/ed
+bin/eqn
+bin/factor
+bin/factotum
+bin/file
+bin/fmt
+bin/fontsrv
+bin/fortune
+bin/fossil/conf
+bin/fossil/flchk
+bin/fossil/flfmt
+bin/fossil/fossil
+bin/fossil/last
+bin/fossil/view
+bin/freq
+bin/fs/32vfs
+bin/fs/cpiofs
+bin/fs/tapfs
+bin/fs/tarfs
+bin/fs/tpfs
+bin/fs/v10fs
+bin/fs/v6fs
+bin/fs/zipfs
+bin/fsize
+bin/getflags
+bin/gif
+bin/grap
+bin/graph
+bin/grep
+bin/gunzip
+bin/gview
+bin/gzip
+bin/hget
+bin/hist
+bin/hoc
+bin/htmlfmt
+bin/htmlroff
+bin/ico
+bin/iconv
+bin/idiff
+bin/img
+bin/import
+bin/join
+bin/jpg
+bin/lex
+bin/listen1
+bin/look
+bin/ls
+bin/macargv
+bin/mapd
+bin/mc
+bin/md5sum
+bin/mk
+bin/mk9660
+bin/mkdir
+bin/mklatinkbd
+bin/mtime
+bin/namespace
+bin/ndbipquery
+bin/ndbmkdb
+bin/ndbmkhash
+bin/ndbmkhosts
+bin/ndbquery
+bin/netfileget
+bin/netfilelib.rc
+bin/netfileput
+bin/netfilestat
+bin/netkey
+bin/news
+bin/p
+bin/page
+bin/paint
+bin/passwd
+bin/pbd
+bin/pemdecode
+bin/pemencode
+bin/pic
+bin/plot
+bin/plumb
+bin/plumber
+bin/png
+bin/ppm
+bin/pr
+bin/primes
+bin/proof
+bin/psdownload
+bin/ramfs
+bin/rc
+bin/read
+bin/readcons
+bin/resample
+bin/rio
+bin/rm
+bin/rsa2csr
+bin/rsa2pub
+bin/rsa2ssh
+bin/rsa2x509
+bin/rsafill
+bin/rsagen
+bin/sam
+bin/samterm
+bin/scat
+bin/secstore
+bin/secstored
+bin/secuser
+bin/sed
+bin/seq
+bin/sftpcache
+bin/sha1sum
+bin/sleep
+bin/sort
+bin/split
+bin/sprog
+bin/srv
+bin/ssh-agent
+bin/stats
+bin/statusbar
+bin/strings
+bin/sum
+bin/svgpic
+bin/tail
+bin/tar
+bin/tbl
+bin/tcolors
+bin/tcs
+bin/tee
+bin/test
+bin/time
+bin/togif
+bin/toico
+bin/topng
+bin/toppm
+bin/touch
+bin/tpic
+bin/tr
+bin/tr2post
+bin/troff
+bin/troff2html
+bin/tweak
+bin/uncompress
+bin/unicode
+bin/uniq
+bin/units
+bin/unutf
+bin/unvac
+bin/unzip
+bin/usage
+bin/vac
+bin/vacfs
+bin/vbackup
+bin/vcat
+bin/venti/buildindex
+bin/venti/checkarenas
+bin/venti/checkindex
+bin/venti/clumpstats
+bin/venti/conf
+bin/venti/copy
+bin/venti/dump
+bin/venti/findscore
+bin/venti/fixarenas
+bin/venti/fmtarenas
+bin/venti/fmtbloom
+bin/venti/fmtindex
+bin/venti/fmtisect
+bin/venti/mirrorarenas
+bin/venti/printarena
+bin/venti/printarenapart
+bin/venti/rdarena
+bin/venti/read
+bin/venti/ro
+bin/venti/sync
+bin/venti/syncindex
+bin/venti/venti
+bin/venti/verifyarena
+bin/venti/wrarena
+bin/venti/write
+bin/vmount0
+bin/vnfs
+bin/wc
+bin/win
+bin/winwatch
+bin/xd
+bin/xshove
+bin/yacc
+bin/yuv
+bin/zcat
+bin/zerotrunc
+bin/zip
 config
+dict/
 install.log
 install.sum
 last-change
+lib/fortunes.index
+log/
+man/man?/*.html
+plan9-reverse.log
+plan9.log
+postscript/font/
+sky/*.scat
+sky/here
+src/**/o.*
+src/cmd/awk/proctab.c
 src/cmd/awk/y.output
+src/cmd/bc.tab.c
+src/cmd/bc.tab.h
+src/cmd/delatex.c
 src/cmd/devdraw/latin1.h
+src/cmd/eqn/eqn.c
+src/cmd/eqn/prevy.tab.h
+src/cmd/grap/grap.c
+src/cmd/grap/grapl.c
+src/cmd/jpg/rgbv.h
+src/cmd/jpg/ycbcr.h
+src/cmd/pic/picl.c
+src/cmd/pic/picy.c
+src/cmd/rc/x.tab.h
+src/cmd/svgpic/picl.c
+src/cmd/svgpic/picy.c
+src/cmd/tpic/picy.c
+src/cmd/units.tab.c
+src/cmd/units.tab.h
+state
+state.journal
+state.old
+unix/*.tgz
+y.tab.[ch]

.travis.yml

@@ -2,6 +2,10 @@ language: c
 
 matrix:
   include:
+    - os: osx
+      osx_image: xcode10.2
+    - os: osx
+      osx_image: xcode9.4
     - os: osx
       osx_image: xcode9
     - os: osx