Linux Cubed Series 3: Developer Tools/Linux Cubed Series 3 - Developer Tools.iso/utils/file/logiso.000/logiso/Utils/RCS/check_links,v

Text File | 1995-03-24 | 5.0 KB | 268 lines

head    1.6;
access;
symbols
    VER_0_3:1.6
    VER_0_2:1.5;
locks; strict;
comment    @# @;


1.6
date    95.03.24.11.43.35;    author coulter;    state Exp;
branches;
next    1.5;

1.5
date    95.03.10.02.42.22;    author coulter;    state Exp;
branches;
next    1.4;

1.4
date    95.02.19.16.06.41;    author coulter;    state Exp;
branches;
next    1.3;

1.3
date    95.02.19.10.09.34;    author coulter;    state Exp;
branches;
next    1.2;

1.2
date    95.02.19.08.20.38;    author coulter;    state Exp;
branches;
next    1.1;

1.1
date    95.02.18.08.36.38;    author coulter;    state Exp;
branches;
next    ;


desc
@script to search disk for links to update
@


1.6
log
@Checkin version for 0.3 distribution.
@
text
@#! /bin/ksh
USAGE='USAGE: check_links [ -d config_prefix ] [ ROOT_DIR ]
   Check for links below ROOT_DIR which should be replaced and replace
   them.
   Uses ISOFS_UTIL_DIR and ${ISOFS_UTIL_DIR}/${CONFIG_PREFIX}config to set
   MOUNT_PATH and MAP_TO_PATH
'
# (C) Copyright 1995 by Michael Coulter.  All rights reserved.

# Process parameters

   CONFIG_PREFIX=""
   if [ $# -ge 2 -a "$1" = "-d" ]
   then
      shift  # done with -d
      CONFIG_PREFIX="$1"; shift
   fi
   if [ $# -gt 1 ]
   then
      echo "$USAGE" >&2
      echo "Too many arguments." >&2
      exit 1
   fi
   ROOT_DIR="/"
   if [ $# -eq 1 ]
   then
      ROOT_DIR="$1"; shift
   fi

# Set variables

   ISOFS_UTIL_DIR="${ISOFS_UTIL_DIR:-/usr/src/linux/fs/isofs/Utils}"
   . "$ISOFS_UTIL_DIR/ksh_fns"
   .  "${ISOFS_UTIL_DIR}/${CONFIG_PREFIX}config"
   export ISOFS_UTIL_DIR

# Of the link files, find those which point to a file below $MOUNT_PATH and
# for which the equivalent link exists below $MAP_TO_PATH

HERE="$PWD"

# Do it

   echo "Checking links below $ROOT_DIR"

   ${FIND_LINKS} "$ROOT_DIR" | while read FILE REST
   do
      check_one_link "$FILE" "$MOUNT_PATH" "$MAP_TO_PATH"
   done
@


1.5
log
@Checkin files modified to make version 0.2
@
text
@d8 1
@


1.4
log
@Checkpoint version 0.1
@
text
@d2 1
a2 1
USAGE='USAGE: check_links [ ROOT_DIR ]
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a5 1
   Uses ISOFS_UTIL_DIR and ${ISOFS_UTIL_DIR}/config to set
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# Set variables

   ISOFS_UTIL_DIR="${ISOFS_UTIL_DIR:-/usr/src/linux/fs/isofs/Utils}"
   . "$ISOFS_UTIL_DIR/ksh_fns"
   .  "${ISOFS_UTIL_DIR}/config"
   export ISOFS_UTIL_DIR

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@


1.3
log
@Checkpoint file.  About to introduce check_one_link.
@
text
@d41 1
a41 28
      LINK="$(ls -l "$FILE" 2> /dev/null | cut -c56-500 | sed -e 's/^.* //')"
      ##echo "check: LINK is $LINK"
      if [ "$LINK" != "${LINK#$MOUNT_PATH}" ]
      then
     # link points at CD.  It should not be a link file there.
     DEST="$(follow_link "$LINK")"
     ##echo "check: DEST is $DEST"
     if [ "$DEST" = "${DEST#$MOUNT_PATH}" ]
     then
        # The destination of the link is not on the CD.  Replace the
        # link
           echo "check_links: Replace link at $FILE with $DEST"
           replace_link "$FILE" "$DEST"
           exit 0
     fi
     ROOTED="${DEST#${MOUNT_PATH}}"
     if [ "$MAP_TO_PATH" = "/" ]
     then
        EQUIV="$ROOTED"
     else
        EQUIV="${MAP_TO_PATH}$ROOTED"
     fi
     if [ "$EQUIV" != "$FILE" ]
     then
        echo "check_links: Replace link at $FILE with $EQUIV"
        replace_link "$FILE" "$EQUIV"
     fi
      fi # LINK is link under MOUNT_PATH
@


1.2
log
@Checkpoint file.
@
text
@d37 1
a37 1
   ##echo "Checking links below $ROOT_DIR"
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a59 1
        EQUIV="${DEST#${MOUNT_PATH}}"
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        EQUIV="${MAP_TO_PATH}${DEST#${MOUNT_PATH}}"
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     ##echo "check: at 1 EQUIV is $EQUIV"
     if [ -L "$LINK" ]
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        if [ -L "$EQUIV" ]
        then
           EQUIV="$(follow_link "$EQUIV")"
        fi
        if [ "$EQUIV" = "${EQUIV#$MOUNT_PATH}" -a -e "$EQUIV" ]
        then
           ##echo "check: Replace link at $FILE with $EQUIV"
           replace_link "$FILE" "$EQUIV"
        fi
     else
        if [ "$MAP_TO_PATH" = "/" ]
        then
           EQUIV="${LINK#${MOUNT_PATH}}"
        else
           EQUIV="${MAP_TO_PATH}/${LINK#${MOUNT_PATH}}"
        fi
        if [ -e "$EQUIV" -a ! -L "$EQUIV" ]
        then
           ##echo "check: Replace $FILE with link to eqiv $EQUIV"
           replace_link "$FILE" "$EQUIV"
        fi
     fi # else EQUIV is not link
@


1.1
log
@Checkpoint version before fixing /usr/bin install
@
text
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a33 1
MOUNT_PATH=/system_cd
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find_links | while read FILE REST
do
   LINK="$(ls -l "$FILE" 2> /dev/null | cut -c56-500 | sed -e 's/^.* //')"
   if [ "$LINK" != "${LINK#$MOUNT_PATH}" ]
   then
      # link points at CD.  It should not be a link file there.
      if [ -L "$LINK" ]
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a49 3
         DEST="$(follow_link "$LINK")"
         if [ "$MAP_TO_PATH" = "" ]
         then
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        EQUIV="${MAP_TO_PATH}/${DEST#${MOUNT_PATH}}"
         fi
         if [ -L "$EQUIV" ]
         then
            EQUIV="$(follow_link "$EQUIV")"
         fi
         if [ "$EQUIV" = "${EQUIV#$MOUNT_PATH}" -a -e "$EQUIV" ]
         then
        echo "check: Replace link at $FILE with $EQUIV"
            replace_link "$FILE" "$EQUIV"
         fi
      else
         EQUIV="${LINK#$MOUNT_PATH}"
         if [ -e "$EQUIV" -a ! -L "$EQUIV" ]
         then
            echo "check: Replace $FILE with link to eqiv $EQUIV"
            replace_link "$FILE" "$EQUIV"
         fi
      fi
   fi
done
@