Commit d9a88584 authored by Miles Bader's avatar Miles Bader

Initial checkin.

parent e8b1643c
#!/bin/sh
# quick-install-emacs -- do a halfway-decent job of installing emacs quickly
# Written by Miles Bader <miles@gnu.org>
# This script is mainly intended for emacs maintainer or pretesters who
# install emacs very often. See the --help output for more details.
PUBLIC_LIBSRC_BINARIES='b2m emacsclient etags ctags ebrowse'
PUBLIC_LIBSRC_SCRIPTS='grep-changelog rcs-checkin'
AVOID="CVS -DIC README COPYING ChangeLog ~ Makefile makefile stamp-subdir .cvsignore \.[cho]$ make-docfile testfile test-distrib"
# Prune old binaries lying around in the source tree
PRUNE=no
# Re-install files even if they already exist
FORCE=no
# Command verbose flag
VERBOSE=''
me="`basename $0`"
# Install commands (these commands are also expected to understand the
# GNU -v (--verbose) option)
LINK='cp -lf'
COPY='cp -f'
REMOVE='rm -r'
# Used to execute commands once once we create them
EXEC='sh'
MKDIR='mkdir --verbose -p'
NAWK=/usr/bin/nawk
# Some messages
USAGE="Usage: $me [OPTION...] BUILD_TREE [PREFIX]"
TRY="Try "\`"$me --help' for more information."
# Parse command-line options
while :; do
case "$1" in
-n|--dry-run)
EXEC=cat; shift;;
-p|--prune)
PRUNE=yes; shift;;
-P|--no-prune)
PRUNE=no; shift;;
--prune-only)
PRUNE=only; shift;;
-f|--force)
FORCE=yes; shift;;
-v|--verbose)
VERBOSE="-v"; shift;;
--help)
cat <<EOF
$USAGE
Install emacs quickly
-n, --dry-run print installation commands instead of
executing them
-f, --force install even files that haven't changed
-v, --verbose print messages describing what is done
-p, --prune prune old generated files
-P, --no-prune don't prune old generated files (default)
--prune-only prune old generated files, but don't install
--help display this help and exit
--version output version information and exit
$me install emacs \`incrementally,' that is, it will
install only those files that have changed since the last time it was
invoked, and remove any obsolete files from the installation
directories. It also uses hard-links into the source and build trees to
do the install, so it uses much less space than the default Makefile
install target; however, this also means that $me can
not install onto a disk partition other than the one on which the source
and build directories reside.
Optionally, $me can also remove old versions of
automatically generated files that are version-specific (such as the
versioned emacs executables in the \`src' directory, and the DOC-* files
in the \`etc' directory). The latter action is called \`pruning,' and
can be enabled using the \`-p' or \`--prune' options.
EOF
exit 0
;;
--version)
cat <<EOF
$me 1.5
Written by Miles Bader <miles@gnu.org>
EOF
exit 0
;;
-[^-]?*)
# split concatenated single-letter options apart
FIRST="$1"; shift
set -- `echo $FIRST | sed 's/-\(.\)\(.*\)/-\1 -\2/'` "$@"
;;
-*)
echo 1>&2 "$me: unrecognized option "\`"$1'"
echo 1>&2 "$TRY"
exit 1
;;
*)
break;
esac
done
LINK_CMD="$LINK $VERBOSE"
REMOVE_CMD="$REMOVE $VERBOSE"
case $# in
1) BUILD="$1";;
2) BUILD="$1"; prefix="$2";;
*)
echo 1>&2 "$USAGE"
echo 1>&2 "$TRY"
exit 1
;;
esac
if test ! -d "$BUILD"; then
echo 1>&2 "$me: $BUILD: Build tree not found"
exit 2
elif test ! -r "$BUILD/config.status"; then
echo 1>&2 "$me: $BUILD: Not a proper build tree, config.status not found"
exit 2
fi
CONFIG_STATUS="$BUILD/config.status"
function get_config_var () {
if ! $NAWK -F% '$2 == "@'$1'@" { print $3; ok=1; exit; }; END { exit(!ok); }' $CONFIG_STATUS
then
echo 1>&2 "$me: $1: Configuration variable not found in $CONFIG_STATUS"
exit 4
fi
}
test x"$SRC" = x && SRC="`get_config_var srcdir`"
test x"$prefix" = x && prefix="`get_config_var prefix`"
test x"$VERSION" = x && VERSION="`get_config_var version`"
test x"$ARCH" = x && ARCH="`get_config_var host`"
DST_SHARE="$prefix/share/emacs/$VERSION"
DST_BIN="$prefix/bin"
DST_LIBEXEC="$prefix/libexec/emacs/$VERSION/$ARCH"
DST_INFO="$prefix/info"
function maybe_mkdir () {
if ! test -d "$1"; then
$MKDIR "$1" 2>&1 | sed "s/^mkdir:/$me:/" 1>&2
fi
}
maybe_mkdir "$DST_BIN"
maybe_mkdir "$DST_SHARE"
maybe_mkdir "$DST_SHARE/site-lisp"
maybe_mkdir "$DST_LIBEXEC"
maybe_mkdir "$DST_INFO"
( # start of command-generating sub-shell
PRUNED=""
if test x"$PRUNE" != xno; then
for D in `ls -1t $BUILD/etc/DOC-* | tail +2`; do
echo $REMOVE_CMD $D
PRUNED="$PRUNED $D"
done
for D in `ls -1t $BUILD/src/emacs-$VERSION.* | tail +2`; do
echo $REMOVE_CMD $D
PRUNED="$PRUNED $D"
done
for D in `ls -1t $BUILD/lib-src/fns-* | tail +2`; do
echo $REMOVE_CMD $D
PRUNED="$PRUNED $D"
done
fi
test x"$PRUNE" = xonly && exit 0
function maybe_emit_copy () {
if test "$FORCE" = yes || ! cmp -s $1 $2; then
echo $LINK_CMD $1 $2
fi
}
maybe_emit_copy $BUILD/src/emacs $DST_BIN/emacs
maybe_emit_copy $BUILD/src/emacs $DST_BIN/emacs-$VERSION
for F in $PUBLIC_LIBSRC_BINARIES; do
maybe_emit_copy $BUILD/lib-src/$F $DST_BIN/$F
done
for F in $PUBLIC_LIBSRC_SCRIPTS; do
maybe_emit_copy $SRC/lib-src/$F $DST_BIN/$F
done
if test x"$SRC" = x"$BUILD"; then
PFXS="$BUILD"
else
PFXS="$SRC $BUILD"
fi
for SUBDIR in lisp leim etc lib-src info; do
# defaults
SHARED=no
FORCED=''
AVOID_PAT="`echo "($AVOID)" | tr ' ' '|'`"
# Set subdir-specific values
case $SUBDIR in
lisp|leim)
DST="$DST_SHARE/$SUBDIR"
;;
etc)
DST="$DST_SHARE/$SUBDIR"
# COPYING is in the avoid list, but there should be a copy of it in
# the install etc dir, so make that here.
FORCED="$DST/COPYING"
;;
lib-src)
DST="$DST_LIBEXEC"
AVOID_PAT="`echo "($AVOID ($PUBLIC_LIBSRC_BINARIES $PUBLIC_LIBSRC_SCRIPTS)\$)" | tr ' ' '|'`"
;;
info)
DST="$DST_INFO"
SHARED=yes
;;
esac
for PFX in $PFXS; do
if [ -d $PFX/$SUBDIR ]; then
for DIR in `(cd $PFX/$SUBDIR; find . -type d -print | sed 's@^./@@')`; do
if [ -d $DST/$DIR ]; then
echo Directory $DST/$DIR exists
else
echo Directory $DST/$DIR non-existant
if [ "`echo $DIR | egrep -v "$AVOID_PAT"`" ]; then
maybe_mkdir $DST/$DIR
fi
fi
done
diff -sqr $PFX/$SUBDIR $DST
fi
done | $NAWK '
BEGIN {
src_pat = "^'"$SRC"'/'"$SUBDIR"'/"
build_pat = "^'"$BUILD"'/'"$SUBDIR"'/"
dst_pat = "^'"$DST"'/"
dst_pfx = "'"$DST"'/"
avoid_pat = "'"$AVOID_PAT"'"
force = ("'"$FORCE"'" == "yes")
shared = ("'"$SHARED"'" == "yes")
init_bool_array(pruned, "'"$PRUNED"'")
init_bool_array(forced, "'"$FORCED"'")
}
function init_bool_array(array, string, a,k)
{
split (string, a)
for (k in a)
array[a[k]] = 1
}
function install(src, dst)
{
if (! (src in pruned)) {
cp[src] = dst;
from[dst] = src;
delete rm[dst];
}
}
function update(src, dst, copy)
{
if (src in pruned) {
rm[dst] = 1;
delete from[dst]
} else {
if (copy)
cp[src] = dst;
from[dst] = src;
delete rm[dst];
}
}
function uninstall(dst)
{
if (!(dst in from))
rm[dst] = 1;
}
/^Directory / {
if ($2 ~ avoid_pat) {
if ($NF == "exists")
uninstall($2)
} else
update(0, $2, 0)
next
}
/^Files / {
if ($4 ~ avoid_pat && !($4 in forced))
uninstall($4)
else if ($NF == "identical")
update($2, $4, force)
else
update($2, $4, 1)
next
}
/^Only / {
pfx = $3
sub (/:$/, "/", pfx)
if (pfx ~ dst_pat) {
if (! shared)
uninstall(pfx $4)
} else {
subdir = pfx
if (subdir ~ src_pat)
sub (src_pat, "", subdir)
else
sub (build_pat, "", subdir)
dst = dst_pfx subdir $4
if (! (dst ~ avoid_pat))
install(pfx $4, dst)
}
next
}
END {
for (f in rm)
print "'"$REMOVE_CMD"' " f
for (f in cp)
print "'"$LINK_CMD"' " f " " cp[f]
}
'
done
) | eval $EXEC
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