Expose all bournish commands as external command.

* bin/builtin.in: New file.
* bin/tar.in: Remove.
* configure: Generate bin/<builtin> for all bournish-commands.
* build-aux/build-guile.sh: Compile them.
* .gitignore: Ignore them.

.gitignore

@@ -1,7 +1,15 @@
 *.go
 *~
+/bin/cat
+/bin/cp
+/bin/find
 /bin/gash
+/bin/grep
+/bin/ls
+/bin/reboot
 /bin/tar
+/bin/wc
+/bin/which
 /.config.make
 /doc/version.texi
 /gash/config.scm

bin/builtin.in

@@ -20,4 +20,4 @@
 ;;; along with Gash.  If not, see <http://www.gnu.org/licenses/>.
 
 (define (main args)
-  ((@ (gash gash) main) (cons* (car (command-line)) "--" "tar" (cdr (command-line)))))
+  ((@ (gash gash) main) (cons* (car (command-line)) "--" "@builtin@" (cdr (command-line)))))

bin/gash

@@ -1,6 +0,0 @@
-#! /home/janneke/.guix-profile/bin/guile \
---no-auto-compile -e main -L "/usr/local/share/guile/site/" -C "/usr/local/lib/guile//site-ccache" -L . -C . -s
-!#
-(define (main args)
-  (setenv "SHELL" ((compose canonicalize-path car command-line)))
-  ((@ (gash gash) main) (command-line)))

build-aux/build-guile.sh

@@ -51,7 +51,6 @@ gash/job.scm
 gash/peg.scm
 gash/pipe.scm
 gash/script.scm
-gash/tar.scm
 gash/ustar.scm
 gash/util.scm
 "
@@ -68,8 +67,16 @@ for i in $SCM_FILES; do
 done
 
 SCRIPTS="
+bin/cat
+bin/cp
+bin/find
 bin/gash
+bin/grep
+bin/ls
+bin/reboot
 bin/tar
+bin/wc
+bin/which
 "
 
 for i in $SCRIPTS; do

configure

@@ -34,12 +34,26 @@ sed \
     -e s,@GUILE_SITE_CCACHE_DIR@,$GUILE_SITE_CCACHE_DIR,\
     bin/gash.in > bin/gash
 chmod +x bin/gash
-sed \
-    -e s,@GUILE@,$GUILE,\
-    -e s,@GUILE_SITE_DIR@,$GUILE_SITE_DIR,\
-    -e s,@GUILE_SITE_CCACHE_DIR@,$GUILE_SITE_CCACHE_DIR,\
-    bin/tar.in > bin/tar
-chmod +x bin/tar
+BUILTINS="
+cat
+cp
+find
+grep
+ls
+reboot
+tar
+wc 
+which
+"
+for builtin in $BUILTINS; do
+    sed \
+        -e s,@GUILE@,$GUILE,\
+        -e s,@GUILE_SITE_DIR@,$GUILE_SITE_DIR,\
+        -e s,@GUILE_SITE_CCACHE_DIR@,$GUILE_SITE_CCACHE_DIR,\
+        -e s,@builtin@,$builtin,\
+    bin/builtin.in > bin/$builtin
+    chmod +x bin/$builtin
+done
 cat > .config.make <<EOF
 BASH=$BASH
 GUILE=$GUILE