build system overhaul

[oweals/busybox.git] / applets / install.sh

diff --git a/applets/install.sh b/applets/install.sh
index 5f0d2d5da09dd5694e96c9caccea888affba2142..4ec96c254a0ea46ca38e811c1542818b4ac4d2d0 100755 (executable)
--- a/applets/install.sh
+++ b/applets/install.sh
@@ -1,25 +1,94 @@
 #!/bin/sh
 
-set -e
+export LC_ALL=POSIX
+export LC_CTYPE=POSIX
 
-if [ "$1" == "" ]; then
-    echo "No installation directory, aborting."
-    exit 1;
+prefix=${1}
+if [ -z "$prefix" ]; then
+       echo "usage: applets/install.sh DESTINATION [--symlinks/--hardlinks]"
+       exit 1;
 fi
-rm -rf $1
-
 h=`sort busybox.links | uniq`
+cleanup="0"
+noclobber="0"
+case "$2" in
+       --hardlinks) linkopts="-f";;
+       --symlinks)  linkopts="-fs";;
+       --cleanup)   cleanup="1";;
+       --noclobber) noclobber="1";;
+       "")          h="";;
+       *)           echo "Unknown install option: $2"; exit 1;;
+esac
+
+if [ -n "$DO_INSTALL_LIBS" ] && [ "$DO_INSTALL_LIBS" != "n" ]; then
+       # get the target dir for the libs
+       # assume it starts with lib
+       libdir=$($CC -print-file-name=libc.so | \
+                sed -n 's%^.*\(/lib[^\/]*\)/libc.so%\1%p')
+       if test -z "$libdir"; then
+               libdir=/lib
+       fi
+
+       mkdir -p $prefix/$libdir || exit 1
+       for i in $DO_INSTALL_LIBS; do
+               rm -f $prefix/$libdir/$i || exit 1
+               if [ -f $i ]; then
+                       cp -a $i $prefix/$libdir/ || exit 1
+                       chmod 0644 $prefix/$libdir/$i || exit 1
+               fi
+       done
+fi
+
+if [ "$cleanup" = "1" ] && [ -e "$prefix/bin/busybox" ]; then
+       inode=`ls -i "$prefix/bin/busybox" | awk '{print $1}'`
+       sub_shell_it=`
+       cd "$prefix"
+       for d in usr/sbin usr/bin sbin bin ; do
+               pd=$PWD
+               if [ -d "$d" ]; then
+                       cd $d
+                       ls -iL . | grep "^ *$inode" | awk '{print $2}' | env -i xargs rm -f
+               fi
+               cd "$pd"
+       done
+       `
+fi
+
+rm -f $prefix/bin/busybox || exit 1
+mkdir -p $prefix/bin || exit 1
+install -m 755 busybox $prefix/bin/busybox || exit 1
 
 for i in $h ; do
-       echo "working on $i now"
-       mypath=`echo $i | sed -e 's/\(^.*\/\)\(.*\)/\1/g' `;
-       myapp=`echo $i | sed -e 's/\(^.*\/\)\(.*\)/\2/g' `;
-       echo "mkdir -p $1$mypath"
-       echo "(cd $1$mypath ; ln -s /bin/busybox $1$mypath$myapp )"
-       mkdir -p $1$mypath
-       (cd $1$mypath ; ln -s /bin/busybox $1$mypath$myapp )
+       appdir=`dirname $i`
+       mkdir -p $prefix/$appdir || exit 1
+       if [ "$2" = "--hardlinks" ]; then
+               bb_path="$prefix/bin/busybox"
+       else
+               case "$appdir" in
+               /)
+                       bb_path="bin/busybox"
+               ;;
+               /bin)
+                       bb_path="busybox"
+               ;;
+               /sbin)
+                       bb_path="../bin/busybox"
+               ;;
+               /usr/bin|/usr/sbin)
+                       bb_path="../../bin/busybox"
+               ;;
+               *)
+               echo "Unknown installation directory: $appdir"
+               exit 1
+               ;;
+               esac
+       fi
+       if [ "$noclobber" = "0" ] || [ ! -e "$prefix$i" ]; then
+               echo "  $prefix$i -> $bb_path"
+               ln $linkopts $bb_path $prefix$i || exit 1
+       else
+               echo "  $prefix$i already exists"
+       fi
 done
-rm -f $1/bin/busybox
-install -m 755 busybox $1/bin/busybox
-
 
+exit 0