Fix minimal/do and tests when built in a path containing spaces.

Basically all just missing quotes around shell strings that use $PWD.
Most paths inside a project, since redo uses relative paths, only need
to worry when project-internal directories or filenames have spaces in
them.

Reported-by: Jeff Stearns <jeff.stearns@gmail.com>

install.do

@@ -19,24 +19,25 @@ read py <redo/whichpython
 echo "Installing to: $DESTDIR$PREFIX"
 
 # make dirs
-$INSTALL -d $MANDIR/man1 $DOCDIR $BINDIR $LIBDIR $LIBDIR/version
+"$INSTALL" -d "$MANDIR/man1" "$DOCDIR" "$BINDIR" \
+	"$LIBDIR" "$LIBDIR/version"
 
 # docs
 for d in docs/*.1; do
 	[ "$d" = "docs/*.1" ] && continue
-	$INSTALL -m 0644 $d $MANDIR/man1
+	"$INSTALL" -m 0644 $d "$MANDIR/man1"
 done
-$INSTALL -m 0644 README.md $DOCDIR
+"$INSTALL" -m 0644 README.md "$DOCDIR"
 
 # .py files (precompiled to .pyc files for speed)
-$INSTALL -m 0644 redo/*.py $LIBDIR/
-$INSTALL -m 0644 redo/version/*.py $LIBDIR/version/
-$py -mcompileall $LIBDIR
+"$INSTALL" -m 0644 redo/*.py "$LIBDIR/"
+"$INSTALL" -m 0644 redo/version/*.py "$LIBDIR/version/"
+"$py" -mcompileall "$LIBDIR"
 
 # It's important for the file to actually be named 'sh'.  Some shells (like
 # bash and zsh) only go into POSIX-compatible mode if they have that name.
-cp -R redo/sh $LIBDIR/sh
+cp -R redo/sh "$LIBDIR/sh"
 
 # binaries
 bins=$(ls bin/redo* | grep '^bin/redo[-a-z]*$')
-$INSTALL -m 0755 $bins $BINDIR/
+"$INSTALL" -m 0755 $bins "$BINDIR/"

minimal/do

@@ -4,7 +4,7 @@
 # For the full version, visit http://github.com/apenwarr/redo
 #
 # The author disclaims copyright to this source file and hereby places it in
-# the public domain. (2010 12 14; updated 2018 12 04)
+# the public domain. (2010 12 14; updated 2018 12 11)
 #
 USAGE="
 usage: do [-d] [-x] [-v] [-c] <targets...>
@@ -44,7 +44,8 @@ dirname()
 )
 
 _dirsplit "$0"
-export REDO=$(cd "${_dirsplit_dir:-.}" && echo "$PWD/$_dirsplit_base")
+REDO=$(cd "${_dirsplit_dir:-.}" && echo "$PWD/$_dirsplit_base")
+export REDO
 _cmd=$_dirsplit_base
 
 DO_TOP=
@@ -76,7 +77,7 @@ if [ -z "$DO_BUILT" -a "$_cmd" != "redo-whichdo" ]; then
 	if [ "$#" -eq 0 ] && [ "$_cmd" = "do" -o "$_cmd" = "redo" ]; then
 		set all  # only toplevel redo has a default target
 	fi
-	export DO_BUILT=$PWD/.do_built
+	export DO_BUILT="$PWD/.do_built"
 	if [ -z "$_do_opt_clean" -a -e "$DO_BUILT" ]; then
 		echo "do: Incremental mode. Use -c for clean rebuild." >&2
 	fi
@@ -89,7 +90,7 @@ if [ -z "$DO_BUILT" -a "$_cmd" != "redo-whichdo" ]; then
 	xargs -0 rm -f 2>/dev/null
 	mv "$DO_BUILT.new" "$DO_BUILT"
 	DO_PATH=$DO_BUILT.dir
-	export PATH=$DO_PATH:$PATH
+	export PATH="$DO_PATH:$PATH"
 	rm -rf "$DO_PATH"
 	mkdir "$DO_PATH"
 	for d in redo redo-ifchange redo-whichdo; do

minimal/do.test

@@ -102,8 +102,8 @@ check_s "" "$_dirsplit_base"
 
 
 SECTION _relpath
-check "a/b/c"  _relpath $PWD/a/b/c
-check "../a/b/c"  _relpath $PWD/../a/b/c
+check "a/b/c"  _relpath "$PWD/a/b/c"
+check "../a/b/c"  _relpath "$PWD/../a/b/c"
 check ""  _relpath "$PWD"
 (cd / && check "a/b/c"  _relpath a/b/c)
 (cd / && check "a/b/c"  _relpath /a/b/c)

redo/sh.do

@@ -25,7 +25,7 @@ for sh in dash /usr/xpg4/bin/sh ash posh mksh ksh ksh88 ksh93 pdksh \
 	SH=$PWD/$1.new/sh
 	
 	set +e
-	( cd ../t && $SH shelltest.od ) >shelltest.tmp 2>&1
+	( cd ../t && "$SH" shelltest.od ) >shelltest.tmp 2>&1
 	RV=$?
 	set -e
 	

t/360-symlinks/a.do

@@ -2,6 +2,6 @@ printf x >>a.ran
 rm -f dir/$2.1 $2.2 $2.3 $2.final
 echo foo >$2.final
 ln -s $2.final $2.3
-ln -s $PWD/$2.3 $2.2
+ln -s "$PWD/$2.3" $2.2
 ln -s ../$2.2 dir/$2.1
 ln -s dir/$2.1 $3

t/999-installer/all.do

@@ -1,2 +1,2 @@
 rm -rf test.tmp
-DESTDIR=$PWD/test.tmp redo ../../install >install.log 2>&1
+DESTDIR="$PWD/test.tmp" redo ../../install >install.log 2>&1