move all existing stuff to old/

old/_install.sh

@@ -0,0 +1,143 @@
+#!/bin/sh -e
+
+homedir=$HOME
+basedir=$homedir/.dotfiles
+bindir=$homedir/bin
+gitbase=git://github.com/Klowner/dotfiles.git
+gitorigin=git@github.com:Klowner/dotfiles.git
+gitbranch=${GIT_BRANCH:-master}
+tarball=http://github.com/Klowner/dotfiles/tarball/$gitbranch
+
+function has() {
+    return $( which $1 >/dev/null)
+}
+
+function note() {
+    echo -e "\e[32;1m * \e[0m$*"
+}
+
+function warn() {
+    echo -e "\e[31;1m * \e[0m$*"
+}
+
+function die() {
+    warn $*
+    exit 1
+}
+
+function install() {
+    method=$1
+    src=$2
+    dst=$3
+    if [ -e $dst ]; then
+        if [ -L $dst ]; then
+            # already symlinked
+            return
+        else
+            # rename files with an ".old" extension
+            warn "$dst already exists, renaming to $dst.old"
+            backup=$dst.old
+            # if [ -e $backup ]; then
+            #     die "$backup already exists. Aborting."
+            # fi
+            mv -v $dst $backup
+        fi
+    fi
+
+    case $method in
+        link)
+            # Update existing or create new symlinks
+            ln -vsf $src $dst
+            ;;
+        copy)
+            cp -a $src $dst
+            ;;
+        *)
+            warn "Unknown install method: $1"
+            ;;
+    esac
+}
+
+function link() {
+    install link $1 $2
+}
+
+function copy() {
+    install copy $1 $2
+}
+
+function unpack_tarball() {
+    note "Downloading tarball..."
+    mkdir -vp $basedir
+    cd $basedir
+    tempfile=TEMP.tar.gz
+    if has curl; then
+        curl -L $tarball >$tempfile
+    elif has wget; then
+        wget -O $tempfile $tarball
+    else:
+        die "Can't download tarball."
+    fi
+    tar --strip-components 1 -zxvf $tempfile
+    rm -v $tempfile
+}
+
+if [ -e $basedir ]; then
+    # basedir exists, update it.
+    cd $basedir
+    if [ -e .git ]; then
+        note "Updating dotfiles from git..."
+        git pull --rebase origin $gitbranch
+    else
+        unpack_tarball
+    fi
+else
+    # .dotfiles directory needs to be installed. Try downloading first
+    # with git and then fallback to tarball.
+    if has git; then
+        note "Cloning from git..."
+        git clone --single-branch --branch $gitbranch $gitbase $basedir
+        cd $basedir
+        git submodule init
+        git submodule update --init --recursive
+    else
+        warn "Git not installed."
+        unpack_tarball
+    fi
+fi
+
+note "Symlinking dotfiles..."
+for path in * ; do
+    # Skip any files beginning with underscores.
+    if [ $(expr match $path '^_') -eq 1 ]; then
+        continue
+    fi
+
+    src=$basedir/$path
+    dst=$homedir/.$path
+
+    if [ -L $src ]; then
+        copy $src $dst
+    else
+        link $src $dst
+    fi
+done
+
+mkdir -p $homedir/.config
+for path in _config/*; do
+    path=${path##*/}
+    link $basedir/_config/$path $homedir/.config/${path}
+done
+
+note "Installing bin/ directory..."
+mkdir -v -p $bindir
+if [ -d _bin ]; then
+    for path in _bin/*; do
+        relpath=${path##*/}
+        link $basedir/$path $bindir/$relpath
+    done
+fi
+
+note "Done."
+
+# vim:ts=4:sw=4:et: