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annotate sources/native/sbin/init.sh @ 980:d424fd68f991

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Idea from Johnicholas Hines: add a three second "read" before running hdc's init so the user can press a key to get a command shell instead.
author Rob Landley <rob@landley.net>
date Tue, 16 Feb 2010 08:26:35 -0600
parents c1ab614da7b9
children 2932487b59fa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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db06a8c1bfed Lots of changes to move buildall.sh functionality into build.sh.
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1 #!/bin/sh
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2
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3 # Otherwise, building source packages wants things like /bin/bash and
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4 # running the results wants /lib/ld-uClibc.so.0, so set up some directories
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5 # and symlinks to let you easily compile source packages.
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6
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7 export HOME=/home
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8
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9 # Populate /dev
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10 mountpoint -q sys || mount -t sysfs sys sys
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11 mountpoint -q dev || mount -t tmpfs -o noatime dev dev
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12 mdev -s
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13
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14 # Make sure /proc is there
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15 mountpoint -q proc || mount -t proc proc proc
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16
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17 export PS1='($HOST) \w \$ '
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18
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19 # If we're running under qemu, do some more setup
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20 if [ $$ -eq 1 ]
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21 then
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22
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23 # Note that 10.0.2.2 forwards to 127.0.0.1 on the host.
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24
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25 # Setup networking for QEMU (needs /proc)
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26 ifconfig eth0 10.0.2.15
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27 route add default gw 10.0.2.2
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29 # If we have no RTC, try rdate instead:
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b0aeb3446aa5 Some packages build differently as root than as a normal user, so add a "guest" account giving a non-root user option. Tweak mdev so it's vaguely useful. (Thanks to Vladimir Dronnikov for the idea.)
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30 [ "$(date +%s)" -lt 1000 ] && rdate 10.0.2.2 # or time-b.nist.gov
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32 mount -t tmpfs /tmp /tmp
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34 # If there's a /dev/hdb or /dev/sdb, mount it on home
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35
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36 [ -b /dev/hdb ] && HOMEDEV=/dev/hdb
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37 [ -b /dev/sdb ] && HOMEDEV=/dev/sdb
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38 if [ ! -z "$HOMEDEV" ]
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39 then
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40 mount -o noatime $HOMEDEV /home
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41 else
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42 mount -t tmpfs /home /home
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43 fi
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44 cd /home
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45
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46 [ -b /dev/hdc ] && MNTDEV=/dev/hdc
18fa21056b01 System Images' sbin/init.sh should mount /dev/hdc (if it exists) on /mnt, and then run /mnt/init (instead of a shell prompt) if that exists.
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47 [ -b /dev/sdc ] && MNTDEV=/dev/sdc
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48 if [ ! -z "$MNTDEV" ]
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49 then
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50 mount -o ro $MNTDEV /mnt
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51 fi
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52
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53 CONSOLE="$(dmesg |
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54 sed -n '/^Kernel command line:/s@.* console=\(/dev/\)*\([^ ]*\).*@\2@p')"
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55
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56 if [ -z "$DISTCC_HOSTS" ]
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57 then
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58 echo "Not using distcc."
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59 else
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60 echo "Distcc acceleration enabled."
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61 fi
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62 echo Type exit when done.
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63
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64 HANDOFF=/bin/ash
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65 if [ -e /mnt/init ]
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66 then
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67 X=xx
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68 echo "Press any key for command line..."
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69 read -t 3 -n 1 X
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70 if [ "$X" == xx ]
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71 then
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72 echo "\nRunning automated build."
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73 HANDOFF=/mnt/init
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74 fi
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75 fi
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76 exec /bin/oneit -c /dev/"$CONSOLE" "$HANDOFF"
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77
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78 # If we're not PID 1, it's probably a chroot.
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79 else
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c48fc63b7df7 Fix a [ -z $test ] that produced multiple words for the $test part, but didn't have "$test" in quotes. I'm not sure how that ever worked.
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80 [ ! -z "$(grep "default for QEMU" /etc/resolv.conf)" ] &&
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81 echo "nameserver 4.2.2.1" > /etc/resolv.conf
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82
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83 # Switch to a shell with command history.
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37c8a6c9a493 Teach qemu-setup.sh to use oneit so ctrl-c works under the emulator. Also
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84
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85 echo Type exit when done.
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86 /bin/ash
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87 cd /
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88 umount ./dev
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89 umount ./home
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90 umount ./sys
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91 umount ./proc
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92 sync
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93 fi