swc-windows-installer.sh: Install nano source syntax highlighters

Make writing Python source code (and a number of other languages) a
bit more exciting for the eyes and easier on the brain by coloring
strings, comments, and such.

We need to install the source tarball because the compiled zip doesn't
include the syntax highlighting scripts.  To make that easier, I've
extracted out the download / hash-check functionality into a new
download(), which I use in both the old zip_install() and the new
tar_install().  If the user doesn't have an existing ~/.nanorc, we
populate it by adding 'include' options for each of the syntax files
in the Nano tarball.  If they do have an existing ~/.nanorc, I assume
they know what they're doing ;).

diff --git a/swc-windows-installer.sh b/swc-windows-installer.sh
index 8fc15f1c5fa2ac892c9e4319faa61f5c31441f04..7ee61b1bc51787cf594edf771b6fe5b0613af9bd 100755 (executable)
--- a/swc-windows-installer.sh
+++ b/swc-windows-installer.sh
@@ -6,6 +6,7 @@
 #
 # The script:
 # * Installs nano and makes it accessible from msysGit
+# * Creates ~/.nanorc with links to syntax highlighting configs
 # * Provides standard nosetests behavior (if Python and the nose
 #   module are installed) for msysGit
 #
@@ -28,25 +29,50 @@ die()
        exit 1
 }
 
+download()
+{
+       URL="${1}"
+       EXPECTED_MD5="${2}"
+       FILENAME=$(basename "${URL}")
+       msg "download ${URL} and install into ${INSTALL_DIRECTORY}"
+       curl -o "${FILENAME}" "${URL}" || die "couldn't download ${URL}"
+       MD5=$(md5sum "${FILENAME}" | cut -d ' ' -f 1) || die "couldn't hash ${FILENAME}"
+       if test "${MD5}" != "${EXPECTED_MD5}"
+       then
+               die "downloaded ${URL} has the wrong MD5 hash: ${MD5} != ${EXPECTED_MD5}"
+       fi
+}
+
+tar_install()
+{
+       URL="${1}"
+       EXPECTED_MD5="${2}"
+       INSTALL_DIRECTORY="${3}"
+       shift 3
+       TAR=$(basename "${URL}")
+       if test ! -d "${INSTALL_DIRECTORY}"
+       then
+               download "${URL}" "${EXPECTED_MD5}"
+               mkdir -p "${INSTALL_DIRECTORY}" ||
+                       die "couldn't create ${INSTALL_DIRECTORY}"
+               tar -xf "${FILENAME}" -C "${INSTALL_DIRECTORY}" "$@" ||
+                       die "couldn't unzip ${FILENAME} into ${INSTALL_DIRECTORY}"
+       fi
+}
+
 zip_install()
 {
        URL="${1}"
        EXPECTED_MD5="${2}"
        INSTALL_DIRECTORY="${3}"
-       ZIP=$(basename "${URL}")
+       FILENAME=$(basename "${URL}")
        if test ! -d "${INSTALL_DIRECTORY}"
        then
-               msg "download ${URL} and install into ${INSTALL_DIRECTORY}"
-               curl -o "${ZIP}" "${URL}" || die "couldn't download ${URL}"
-               MD5=$(md5sum "${ZIP}" | cut -d ' ' -f 1) || die "couldn't hash ${ZIP}"
-               if test "${MD5}" != "${EXPECTED_MD5}"
-               then
-                       die "downloaded ${URL} has the wrong MD5 hash: ${MD5} != ${EXPECTED_MD5}"
-               fi
+               download "${URL}" "${EXPECTED_MD5}"
                mkdir -p "${INSTALL_DIRECTORY}" ||
                        die "couldn't create ${INSTALL_DIRECTORY}"
-               unzip "${ZIP}" -d "${INSTALL_DIRECTORY}" ||
-                       die "couldn't unzip ${ZIP} into ${INSTALL_DIRECTORY}"
+               unzip "${FILENAME}" -d "${INSTALL_DIRECTORY}" ||
+                       die "couldn't unzip ${FILENAME} into ${INSTALL_DIRECTORY}"
        fi
 }
 
@@ -58,6 +84,22 @@ install_nano()
                "${INSTALL_DIRECTORY}"
 }
 
+install_nanorc()
+{
+       INSTALL_DIRECTORY="${1}"
+       tar_install 'http://www.nano-editor.org/dist/v2.2/nano-2.2.6.tar.gz' \
+               '03233ae480689a008eb98feb1b599807' \
+               "${INSTALL_DIRECTORY}" \
+               --strip-components 1 &&
+       if [ ! -f ~/.nanorc ]
+       then
+               for RCPATH in "${INSTALL_DIRECTORY}"/doc/syntax/*.nanorc
+               do
+                       echo "include ${RCPATH}" >> ~/.nanorc
+               done
+       fi
+}
+
 # Creates a terminal-based nosetests entry point for msysGit
 create_nosetests_entry_point()
 {
@@ -118,8 +160,10 @@ main()
        SWC_DIR=~/.swc
        BIN_DIR="${SWC_DIR}/bin"
        NANO_DIR="${SWC_DIR}/lib/nano"
+       NANORC_DIR="${SWC_DIR}/share/nanorc"
        create_nosetests_entry_point "${BIN_DIR}" || die "couldn't create nosetests"
        install_nano "${NANO_DIR}" || die "couldn't install nano"
+       install_nanorc "${NANORC_DIR}" || die "couldn't install nanorc"
        add_swc_paths "${NANO_DIR}" "${BIN_DIR}" || die "couldn't add SWC paths"
        set_default_editor nano || die "couldn't set EDITOR"
 }