Add an install script, with --long --symlink --force and --uninstall options.

diff --git a/scripts/install.sh b/scripts/install.sh
new file mode 100755 (executable)
index 0000000..b8e0368
--- /dev/null
+++ b/scripts/install.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# Grab default values for $CFLAGS and such.
+
+source ./configure
+
+# Parse command line arguments.
+
+[ -z "$PREFIX" ] && PREFIX="."
+
+LONG_PATH=""
+while [ ! -z "$1" ]
+do
+  # Create symlinks instead of hardlinks?
+
+  [ "$1" == "--symlink" ] && LINK_TYPE="-s"
+
+  # Uninstall?
+
+  [ "$1" == "--uninstall" ] && UNINSTALL=1
+
+  # Delete destination command if it exists?
+
+  [ "$1" == "--force" ] && DO_FORCE="-f"
+
+  # Use {,usr}/{bin,sbin} paths instead of all files in one directory?
+
+  if [ "$1" == "--long" ]
+  then
+    LONG_PATH="bin/"
+  fi
+
+  shift
+done
+
+echo "Compile instlist..."
+
+$DEBUG $HOSTCC $CCFLAGS -I . scripts/install.c -o instlist || exit 1
+COMMANDS="$(./instlist $LONG_PATH)"
+
+echo "Install commands..."
+
+# Copy toybox itself
+
+if [ -z "$UNINSTALL" ]
+then
+  mkdir -p ${PREFIX}/${LONG_PATH} || exit 1
+  cp toybox ${PREFIX}/${LONG_PATH} || exit 1
+else
+  rm "${PREFIX}/${LONG_PATH}/toybox" 2>/dev/null
+  rmdir "${PREFIX}/${LONG_PATH}" 2>/dev/null
+fi
+cd "${PREFIX}"
+
+# Make links to toybox
+
+for i in $COMMANDS
+do
+  # Figure out target of link
+
+  if [ -z "$LONG_PATH" ]
+  then
+    DOTPATH=""
+  else
+    # Create subdirectory for command to go in (if necessary)
+
+    DOTPATH="$(echo $i | sed 's@\(.*/\).*@\1@')"
+    if [ -z "$UNINSTALL" ]
+    then
+      mkdir -p "$DOTPATH" || exit 1
+    else
+      rmdir "$DOTPATH" 2>/dev/null
+    fi
+
+    if [ -z "$LINK_TYPE" ]
+    then
+      dotpath="bin/"
+    else
+      if [ "$DOTPATH" != "$LONG_PATH" ]
+      then
+        DOTPATH="$(echo $DOTPATH | sed -e 's@[^/]*/@../@g')"$LONG_PATH
+      else
+        DOTPATH=""
+      fi
+    fi
+  fi
+
+  # Create link
+  [ -z "$UNINSTALL" ] &&
+    ln $DO_FORCE $LINK_TYPE ${DOTPATH}toybox $i ||
+    rm $i 2>/dev/null
+done