Use cache file (for expensive calls)

.gitignore

@@ -1,2 +1,3 @@
+.cache.sh
 system/.custom
 bin/subl

install.sh

@@ -2,8 +2,9 @@
 
 # Get current dir (so run this script from anywhere)
 
-export DOTFILES_DIR EXTRA_DIR
+export DOTFILES_DIR DOTFILES_CACHE EXTRA_DIR
 DOTFILES_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+DOTFILES_CACHE="$DOTFILES_DIR/.cache.sh"
 EXTRA_DIR="$HOME/.extra"
 
 # Common functions

install/brew.sh

@@ -47,3 +47,6 @@ apps=(
 )
 
 brew install "${apps[@]}"
+
+export BREW_PREFIX_COREUTILS=`brew --prefix coreutils`
+set-config "BREW_PREFIX_COREUTILS" "$BREW_PREFIX_COREUTILS" "$DOTFILES_CACHE"

install/npm.sh

@@ -4,6 +4,10 @@ if ! is-executable brew -o ! is-executable git; then
 fi
 
 brew install nvm
+
+export BREW_PREFIX_NVM=`brew --prefix nvm`
+set-config "BREW_PREFIX_NVM" "$BREW_PREFIX_NVM" "$DOTFILES_CACHE"
+
 . "${DOTFILES_DIR}/system/.nvm"
 nvm install 6
 

runcom/.bash_profile

@@ -25,6 +25,11 @@ else
   return
 fi
 
+# Read cache
+
+DOTFILES_CACHE="$DOTFILES_DIR/.cache.sh"
+[ -f "$DOTFILES_CACHE" ] && . "$DOTFILES_CACHE"
+
 # Finally we can source the dotfiles (order matters)
 
 for DOTFILE in "$DOTFILES_DIR"/system/.{function,function_*,path,env,alias,completion,grep,prompt,nvm,rvm,custom}; do

system/.function

@@ -29,6 +29,20 @@ prepend-path() {
   [ -d $1 ] && PATH="$1:$PATH"
 }
 
+# Update config file
+
+set-config() {
+  local KEY="$1"
+  local VALUE="$2"
+  local FILE="$3"
+  touch "$FILE"
+  if grep -q "$1=" "$FILE"; then
+    sed "s@$KEY=.*@$KEY=\"$VALUE\"@" -i "$FILE"
+  else
+    echo "export $KEY=$VALUE" >> "$FILE"
+  fi
+}
+
 # Show 256 TERM colors
 
 colors() {

system/.nvm

@@ -1,2 +1,2 @@
 export NVM_DIR=~/.nvm
-source $(brew --prefix nvm)/nvm.sh
+source "$BREW_PREFIX_NVM/nvm.sh"

system/.path

@@ -8,7 +8,7 @@ is-executable getconf && PATH=$(`command -v getconf` PATH)
 prepend-path "/bin"
 prepend-path "/usr/bin"
 prepend-path "/usr/local/bin"
-is-executable brew && prepend-path "$(brew --prefix coreutils)/libexec/gnubin"
+is-executable brew && prepend-path "$BREW_PREFIX_COREUTILS/libexec/gnubin"
 prepend-path "$DOTFILES_DIR/bin"
 prepend-path "$HOME/bin"
 prepend-path "/sbin"