Add installing software from a Brewfile

.gitignore

@@ -0,0 +1,2 @@
+Brewfile.lock.json
+tests/alternate-brewfile.lock.json

documentation/kitfile.markdown

@@ -73,3 +73,8 @@ Available commands are:
     Sets the default directory for `clone` commands to _DIRECTORY_;
     if _DIRECTORY_ is not specified, the original value of
     $HOME/Code is restored.
+
+* brewfile [_FILE_]
+
+    Runs `brew bundle` with _FILE_. If _FILE_ is not specified, it will
+    use "`Brewfile`".

kitout.sh

@@ -98,7 +98,15 @@ function epad {
 }
 
 function process_kitfile {
-    while read command argument; do
+    # cache the kitfile in memory, rather than relying on streaming
+    # from disk; in some cases (brew bundle...) that gets interrupted
+    local -a kitfile
+    while IFS= read -r line; do
+        kitfile+=("$line")
+    done < "$1"
+
+    for line in "${kitfile[@]}"; do
+        read command argument <<<"$line"
         case "$command" in
             \#|'')  : ;;
             echo)       output "$argument" ;;
@@ -107,10 +115,11 @@ function process_kitfile {
 
             repodir)    set_repodir "$argument" ;;
             clone)      clone_repository $argument ;;
+            brewfile)   brewfile "$argument" ;;
 
             *)      error "Unknown command: '$command'" ;;
         esac
-    done < <(cat "$1")
+    done
 }
 
 function set_repodir {
@@ -194,4 +203,15 @@ function clone_repository {
     fi
 }
 
+function brewfile {
+    local file="${1:-Brewfile}"
+
+    if [ -f "$file" ]; then
+        action "installing from $file"
+        HOMEBREW_NO_COLOR=1 brew bundle --file "$file"
+    else
+        error "brewfile '$file' does not exist"
+    fi
+}
+
 main "$@"

tests/alternate-brewfile

@@ -0,0 +1,6 @@
+# already installed
+brew 'bats-core'
+
+# to be installed (obviously this could break if gimme
+# is ever actually deliberately installed)
+brew 'gimme'

tests/brewfile.bats

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+bold=$'\e'[1m
+magenta=$'\e'[35m
+reset=$'\e'[0m
+
+@test brewfile {
+    run ./kitout.sh tests/brewfile.kitfile
+    echo "$output"
+    [ "${lines[1]}" == "Using bats-core" ]
+    [ "${lines[4]}" == "Using bats-core" ]
+    [ "${lines[5]}" == "Installing gimme" ]
+    [ "${lines[7]}" == "${bold}${magenta}*** brewfile 'i-dont-exist' does not exist${reset}" ]
+    [ $status -eq 1 ]
+}
+
+function setup_file {
+    brew update
+    teardown
+}
+
+function teardown {
+    brew uninstall --force gimme
+}

tests/brewfile.kitfile

@@ -0,0 +1,3 @@
+brewfile
+brewfile tests/alternate-brewfile
+brewfile i-dont-exist