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|
#!/bin/sh
shout() { echo "$0: $@" >&2; }
barf() { shout "fatal: $@"; exit 111; }
safe() { "$@" || barf "cannot $@"; }
safe umask 022
[ -d package ] || barf "no package directory"
[ -d src ] || barf "no src directory"
[ -d compile ] || barf "no compile directory"
for i in `sed -e '/^it-/!d' -e 's/^it-//' < compile/it=d`
do
all="$all $i"
done
usage() { shout "usage: package/upgrade [ [-]$all ]"; exit 100; }
targets=""
if [ $# -eq 0 ]
then
for i in $all
do
targets="$all"
done
else
if [ "$1" = "-" ]
then
shift
suppress=":"
for i in ${1+"$@"}
do
case "$all " in
*\ $i\ *)
;;
*)
usage
;;
esac
suppress="$suppress$i:"
done
for i in $all
do
case "$suppress" in
*:$i:*)
;;
*)
targets="$targets $i"
;;
esac
done
else
for i in ${1+"$@"}
do
case "$all " in
*\ $i\ *)
;;
*)
usage
;;
esac
targets="$targets $i"
done
fi
fi
[ "X$targets" = "X" ] && barf "no targets"
version="`head -1 package/version`"
here="`pwd`"
command="`echo $here | sed -e 's/-'$version'$//'`/command"
package="`basename $here | sed -e 's/-'$version'$//'`"
shout "symlink $package -> $package-$version"
safe rm -f $package
safe ln -s $package-$version $package
safe mv -f $package ..
commands=""
for i in $targets
do
commands="$commands `cat package/commands-$i`"
done
if [ -r package/command-cp ]
then
for i in `sed -e '/^$/q' < package/command-cp`
do
shout "copying commands into $i"
safe mkdir -p $i
for j in $commands
do
j=${j%:}
safe rm -f $i/$j'{new}'
safe cp -p command/$j $i/$j'{new}'
safe mv -f $i/$j'{new}' $i/$j
done
done
fi
if [ -r package/command-ln ]
then
for i in `sed -e '/^$/q' < package/command-ln`
do
safe mkdir -p $i
for j in $commands
do
k=${j%:}
[ "$j" = "$k:" ] && \
shout "linking command $k into $i" && \
safe rm -f $i/$k'{new}' && \
safe ln -s $command/$k $i/$k'{new}' && \
safe mv -f $i/$k'{new}' $i/$k
done
done
fi
exit 0
|
