mdw@git.distorted.org.uk Git - profile/blob - dot/profile

   1 ### -*-sh-*-
   2 ###
   3 ### Session startup things.
   4
   5 ## The shell-specific hook will run us if it thinks we haven't been run
   6 ## before.  We should therefore let it know.
   7 __mdw_profile=t; export __mdw_profile
   8
   9 ###--------------------------------------------------------------------------
  10 ### Utility functions.
  11
  12 ## __mdw_addto VAR DIR PATH ...
  13 ##
  14 ## VAR is the name of a PATH-like environment variable (i.e., one which
  15 ## contains a sequence of pathnames separated by colons).  DIR is either `l'
  16 ## or `r'.  The PATHs are pathnames.  Those PATHs which correspond to
  17 ## existing directories but which aren't currently named in the variable are
  18 ## added to the left or right (depending on DIR) of VAR.  The relative order
  19 ## of PATHs added in the same invokation is the same as the order they
  20 ## appeared in PATHs: the DIR argument only affects which end of the VAR they
  21 ## get added to.
  22 __mdw_addto () {
  23   local var=$1 val dir=$2 new="" change=nil
  24   eval val=\$$var
  25   shift 2
  26   for i in "$@"; do
  27     case "$new:" in *:$i:*) continue;; esac
  28     if ! [ -d $i ]; then continue; fi
  29     case "$val" in
  30       $i) continue ;;
  31       *:$i:*) val=${val%%:$i:*}:${val#*:$i:} ;;
  32       $i:*) val=${val#$i:} ;;
  33       *:$i) val=${val%:$i} ;;
  34     esac
  35     new=$new:$i change=t
  36   done
  37   case $dir in
  38     l) val=${new#:}${val:+:$val} ;;
  39     r) val=${val:+$val:}${new#:} ;;
  40   esac
  41   case $change in t) eval $var=\$val ;; esac
  42 }
  43
  44 ## __mdw_programp NAME
  45 ##
  46 ## Does NAME exist as an executable program?
  47 __mdw_programp () { type >/dev/null 2>&1 "$1"; }
  48
  49 ## __mdw_setconf VAR CONF [DEFAULT]
  50 ##
  51 ## If CONF is defined in `~/.mdw.conf' then set VAR to its value; otherwise,
  52 ## set VAR to DEFAULT, if given; otherwise, do nothing at all.
  53 __mdw_setconf () {
  54   local var=$1 conf=$2 val; shift 2
  55   if val=$(mdw-conf 2>/dev/null "$conf" "$@"); then
  56     eval "$var=\$val; export $var"
  57   fi
  58 }
  59
  60 ## __mdw_export_if_defined VAR ...
  61 ##
  62 ## If VARs are defined, then export them.
  63 __mdw_export_if_defined () {
  64   local var t
  65   for var in "$@"; do
  66     eval t=\${$var+t}
  67     case $t in t) export $var ;; esac
  68   done
  69 }
  70
  71 ###--------------------------------------------------------------------------
  72 ### Other preliminaries.
  73
  74 ## Work out my home directory, resolving symbolic links.
  75 HOME=$(cd "$HOME"; pwd -P)
  76 case ${SCHROOT_SESSION_ID+t} in t) ;; *) cd "$HOME" ;; esac
  77
  78 ## CDE's session structure is demented and doesn't leave us with a proper
  79 ## logout hook, so synthesize one here.
  80 case ${DT+t} in t) trap "source $HOME/.shell-logout" EXIT; esac
  81
  82 ###--------------------------------------------------------------------------
  83 ### Set some basic paths.
  84
  85 ## The main path.
  86 export PATH
  87 __mdw_addto PATH l \
  88   "$HOME"/bin \
  89   /usr/local/bin /usr/local/sbin /usr/local/games \
  90   /usr/bin /usr/sbin /usr/games \
  91   /usr/X11R6/bin /usr/local/X11R6/bin \
  92   /bin /sbin \
  93   /opt/nfast/bin /opt/nfast/sbin
  94
  95 ## If we have Plan 9 from User Space, then add that in.
  96 for i in /opt/plan9 /usr/local/plan9; do
  97   if [ -d $i ]; then
  98     PLAN9=$i; export PLAN9
  99     __mdw_addto PATH r $i/bin
 100     break
 101   fi
 102 done
 103
 104 ## Check for some standard path hacks.
 105 for i in ccache; do
 106   __mdw_addto PATH l "$HOME"/bin/hacks/$i
 107 done
 108
 109 ###--------------------------------------------------------------------------
 110 ### Some other preliminaries.
 111
 112 ## Establish a temporary directory.
 113 case ${TMPDIR+t} in
 114   t) ;;
 115   *) if __mdw_programp tmpdir; then eval $(tmpdir -b); fi
 116 esac
 117 TMP=$TMPDIR; export TMP
 118
 119 ## Sensible umask if users have their own groups.
 120 umask 002
 121
 122 ###--------------------------------------------------------------------------
 123 ### Text editor configuration.
 124
 125 MDW_EDITOR=ed
 126 emacs_startup_args="--no-site-file --mdw-fast-startup -nw"
 127 for ed in \
 128   "emacs24 $emacs_startup_args" \
 129   "emacs23 $emacs_startup_args" \
 130   "emacs22 $emacs_startup_args" \
 131   "emacs21 $emacs_startup_args" \
 132   zile mg \
 133   "emacs -nw" \
 134   vi pico nano ae
 135 do
 136   name=${ed%% *}
 137   if __mdw_programp "$name"; then MDW_EDITOR=$ed; break; fi
 138 done
 139 EDITOR=mdw-editor VISUAL=mdw-editor
 140 export EDITOR VISUAL MDW_EDITOR
 141 unset ed emacs_startup_args
 142
 143 ###--------------------------------------------------------------------------
 144 ### Locale configuration.
 145
 146 case ${LC_MDWSSHLANG+t},${DISPLAY+t} in
 147   t,*)
 148     LANG=$LC_MDWSSHLANG
 149     ;;
 150   ,t)
 151     __mdw_setconf LANG x-ctype POSIX
 152     ;;
 153   *)
 154     : LANG=${LC_CTYPE-${LC_ALL-$(mdw-conf console-ctype POSIX)}}
 155     case "$TERM,$(tty)" in
 156       linux,/dev/tty*)
 157         if { vt-is-UTF8 || kbd_mode | grep UTF-8; } >/dev/null 2>&1; then
 158           ctype=.UTF-8
 159         else
 160           ctype=
 161         fi
 162         LANG=${LANG%.*}$ctype
 163         ;;
 164     esac
 165     ;;
 166 esac
 167 unset LC_ALL
 168 export LANG
 169
 170 LC_COLLATE=POSIX; export LC_COLLATE
 171
 172 case ${LANG+t} in
 173   t) LC_MDWSSHLANG=$LANG; export LC_MDWSSHLANG ;;
 174 esac
 175
 176 ###--------------------------------------------------------------------------
 177 ### Pagers.
 178
 179 ## Choose a sensible pager.
 180 MDW_PAGER=more
 181 for pg in less more; do
 182   if __mdw_programp "$pg"; then MDW_PAGER=$(command -v "$pg"); break; fi
 183 done
 184 PAGER=mdw-pager METAMAIL_PAGER=mdw-pager
 185 export MDW_PAGER PAGER METAMAIL_PAGER
 186 unset pg
 187
 188 ## Configure `less'.
 189 case ${LC_CTYPE-$LANG} in
 190   *utf8 | *utf-8 | *UTF8 | *UTF-8) LESSCHARSET=utf-8 ;;
 191   *) LESSCHARSET=latin1 ;;
 192 esac
 193 export LESSCHARSET
 194 if __mdw_programp global; then
 195   LESSGLOBALTAGS=global
 196   export LESSGLOBALTAGS
 197 fi
 198
 199 ###--------------------------------------------------------------------------
 200 ### Miscellaneous things.
 201
 202 ## Mail and general identification.
 203 __mdw_setconf MAIL mailbox /var/mail/mdw
 204 __mdw_setconf EMAIL email mdw@distorted.org.uk
 205 NAME="Mark Wooding"; export NAME
 206
 207 ## News server.
 208 __mdw_setconf NNTPSERVER nntp-server
 209
 210 ## Some programs want to know the hostname.
 211 case ${HOST+t} in t) ;; *) HOST=$(hostname); export HOST; esac
 212
 213 ## HTTP and FTP proxies.
 214 http=$(mdw-conf http-proxy none)
 215 case "${http_proxy-none},$http" in
 216   *,none) ;;
 217   none,*) http_proxy=http://$http/; export http_proxy ;;
 218 esac
 219 https=$(mdw-conf https-proxy none)
 220 case "${https_proxy-none},$https,${http_proxy-none}" in
 221   *,none,none) ;;
 222   none,none,*) https_proxy=$http_proxy; export https_proxy ;;
 223   none,*,*) https_proxy=http://$https/; export ftp_proxy ;;
 224 esac
 225 ftp=$(mdw-conf ftp-proxy none)
 226 case "${ftp_proxy-none},$ftp,${http_proxy-none}" in
 227   *,none,none) ;;
 228   none,none,*) ftp_proxy=$http_proxy; export ftp_proxy ;;
 229   none,*,*) ftp_proxy=http://$ftp/; export ftp_proxy ;;
 230 esac
 231 unset http https ftp
 232
 233 ## Ncurses programs should use the Unicode box-drawing characters because the
 234 ## alternative character set stuff isn't supported well.
 235 NCURSES_NO_UTF8_ACS=1; export NCURSES_NO_UTF8_ACS
 236
 237 ## Shut up Perl's readline machinery.
 238 PERL_READLINE_NOWARN=yes; export PERL_READLINE_NOWARN
 239
 240 ## If we have `distcc' then tell `ccache' to use it.
 241 if __mdw_programp distcc; then CCACHE_PREFIX=distcc; export CCACHE_PREFIX; fi
 242
 243 ## Choose a sensible web browser.  If we have a display, try to pick a
 244 ## graphical one.
 245 set -- elinks w3m lynx
 246 case ${DISPLAY+t} in
 247   t) set -- mdw-iceweasel mdw-chrome iceweasel firefox "$@" ;;
 248 esac
 249 for b in "$@"; do
 250   if __mdw_programp $b; then BROWSER=$b; export BROWSER; break; fi
 251 done
 252 unset b
 253
 254 ## Acquiring root privileges.  This is mainly the job of `bashrc', but we
 255 ## cache the mechanism here.
 256 __mdw_setconf __MDW_ROOTLY rootly
 257 BECOME="--preserve-environment"; export BECOME
 258
 259 ## It's useful to see the little sigils in `ls'.
 260 case ${LS_OPTIONS+t} in t) ;; *) LS_OPTIONS="-F"; export LS_OPTIONS; esac
 261
 262 ## Settings for BBC BASIC listing.
 263 export BASCAT="-l +n"
 264
 265 ## Version control hacking.
 266 CVS_RSH=ssh; export CVS_RSH
 267 __mdw_setconf CVSROOT cvs-root
 268 __mdw_setconf SVNROOT svn-root
 269 P4CONFIG=.p4; export P4CONFIG
 270
 271 ## Help X programs find their resources.
 272 XUSERFILESEARCHPATH="$HOME/.Xapps/%N:/usr/lib/X11/%T/%N%S"
 273 export XUSERFILESEARCHPATH
 274
 275 ## Make OpenOffice.org do its thing properly.
 276 OOO_FORCE_DESKTOP=gnome; export OOO_FORCE_DESKTOP
 277
 278 ## Hack Qt-ish things to be unstoatly.
 279 QT_QPA_PLATFORMTHEME=gtk2; export QT_QPA_PLATFORMTHEME
 280 QT_AUTO_SCREEN_SCALE_FACTOR=0; export QT_AUTO_SCREEN_SCALE_FACTOR
 281
 282 ## Use X11 input method (including compose key sequences) everywhere.
 283 GTK_IM_MODULE=xim; export GTK_IM_MODULE
 284 QT_IM_MODULE=xim; export QT_IM_MODULE
 285
 286 ## Don't hide scrollbars.
 287 GTK_OVERLAY_SCROLLING=0; export GTK_OVERLAY_SCROLLING
 288
 289 ## Rust Cargo things.
 290 CARGO_HOME=$HOME/.cache/cargo; export CARGO_HOME
 291
 292 ## Configure `ps'.
 293 PS_PERSONALITY=gnu; export PS_PERSONALITY
 294
 295 ## Configure Debian building.
 296 DEB_BUILD_OPTIONS="parallel=$(mdw-conf make-parallel 4)"
 297 export DEB_BUILD_OPTIONS
 298
 299 ## Turn off angry fruit salad error messages from things.
 300 DPKG_COLORS=never; export DPKG_COLORS
 301 GCC_COLORS=; export GCC_COLORS
 302 CCC_OVERRIDE_OPTIONS="#^-fno-color-diagnostics"; export CCC_OVERRIDE_OPTIONS
 303
 304 ## Disable core dumps.
 305 ulimit -S -c 0
 306
 307 ###--------------------------------------------------------------------------
 308 ### Authentication and SSH hacking.
 309
 310 ## Start an authentication agent.  This is unnecessarily fiddly.  If there's
 311 ## a Gnome keyring server then we should use that; unfortunately, it may not
 312 ## yet have had a chance to populate the environment with its settings, so we
 313 ## go off and fetch them.
 314 if { { [ "$GNOME_KEYRING_CONTROL" ] &&
 315        [ -s "$GNOME_KEYRING_CONTROL" ]; } ||
 316      { [ "$DBUS_SESSION_BUS_ADDRESS" ] &&
 317        __mdw_programp gnome-keyring-daemon; }; } &&
 318    stuff=$(gnome-keyring-daemon -s -c gpg 2>/dev/null)
 319 then
 320   eval "$stuff"
 321   export SSH_AUTH_SOCK GPG_AGENT_INFO
 322 fi
 323
 324 ## If we still don't have an agent then start one with a stable name.
 325 eval $(start-ssh-agent -b)
 326
 327 ## Decide whether this session should be considered `secure'.  A session is
 328 ## secure if it's on a secure TTY, but there are lots of ways of finding out
 329 ## which TTYs are secure.
 330 if [ -z "$__mdw_bashrc" ] && [ "$__mdw_force_secure_session" = "yes" ] ||
 331    ( tty="`tty`" devtty="(/dev/)?${tty#/dev/}"
 332      { { { [ -e /etc/securetty ] && sectty=/etc/securetty; } ||
 333          { [ -e /etc/securettys ] && sectty=/etc/securettys; }; } &&
 334        egrep "$devtty" $sectty >/dev/null; } ||
 335      { [ -e /etc/default/login ] &&
 336        egrep "^CONSOLE=$devtty" /etc/default/login >/dev/null; } ||
 337      case "${tty#/dev/}" in
 338        console|systty|tty[0-9]) true ;;
 339        *) false ;;
 340      esac )
 341 then
 342   __mdw_sechost=$HOST; export __mdw_sechost
 343 fi
 344
 345 ## Start a passphrase pixie if there is one and it's not already running.
 346 if pixie --version >/dev/null 2>&1; then
 347   mkdir -p "$HOME/.catacomb"
 348   pixie=${CATACOMB_PIXIE-$HOME/.catacomb/pixie}
 349   if [ -S "$pixie" ] && pixie -C help >/dev/null 2>&1; then
 350     :
 351   else
 352     pixie -d 2>>"$HOME/.catacomb/pixie.log"
 353     __mdw_started_pixie=yes
 354   fi
 355 fi
 356
 357 ###--------------------------------------------------------------------------
 358 ### Finishing touches.
 359
 360 ## For old-fashioned Bourne-ish shells, set up per-shell definitions.
 361 ENV=$HOME/.shrc; export ENV
 362
 363 ## If there's a local hook then run it.
 364 if [ -f "$HOME/.profile-local" ]; then . "$HOME/.profile-local"; fi
 365
 366 ###----- That's all, folks --------------------------------------------------