Initial working prototype.

.gitignore

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+modules/

README.md

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+# What is it?
+
+A tool to make it easier to manage bash modules.
+
+# Installation
+
+1. Checkout basher on `~/.basher`
+
+    ~~~ sh
+    $ git clone git://github.com/juanibiapina/basher.git ~/.basher
+    ~~~
+
+2. Add `~/.basher/bin` to `$PATH` for easy access to the basher command-line utility.
+
+    ~~~ sh
+    $ echo 'export PATH="$HOME/.basher/bin:$PATH"' >> ~/.bash_profile
+    ~~~
+
+    **Ubuntu note**: Modify your `~/.profile` instead of `~/.bash_profile`.
+
+    **Zsh note**: Modify your `~/.zshrc` file instead of `~/.bash_profile`.
+
+3. Add `basher init` to your shell to enable basher runtime functions
+
+    ~~~ sh
+    $ echo 'eval "$(basher init -)"' >> ~/.bash_profile
+    ~~~
+
+    _Same as in previous step, use `~/.profile` on Ubuntu, `~/.zshrc` for Zsh._
+
+# Usage
+
+## Runtime functions
+
+### require
+
+`require module_name`

bin/basher

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+../libexec/basher

lib/basher.bash

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+#!/usr/bin/env bash
+
+require() {
+  local module_name="$1"
+  source "$BASHER_ROOT/modules/$module_name/lib/$module_name.bash"
+}

libexec/basher

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+#!/usr/bin/env bash
+
+resolve_link() {
+  $(type -p greadlink readlink | head -1) "$1"
+}
+
+abs_dirname() {
+  local cwd="$(pwd)"
+  local path="$1"
+
+  while [ -n "$path" ]; do
+    cd "${path%/*}"
+    local name="${path##*/}"
+    path="$(resolve_link "$name" || true)"
+  done
+
+  pwd
+  cd "$cwd"
+}
+
+if [ -z "$BASHER_ROOT" ]; then
+  BASHER_ROOT="$HOME/.basher"
+fi
+export BASHER_ROOT
+
+bin_path="$(abs_dirname "$0")"
+export PATH="${bin_path}:${PATH}"
+
+command="$1"
+case "$command" in
+* )
+  command_path="$(command -v "basher-$command" || true)"
+  if [ -z "$command_path" ]; then
+    echo "basher: no such command '$command'" >&2
+    exit 1
+  fi
+
+  shift 1
+  exec "$command_path" "$@"
+  ;;
+esac

libexec/basher-init

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+#!/usr/bin/env bash
+
+echo "export BASHER_ROOT=$BASHER_ROOT"
+echo "source $BASHER_ROOT/lib/basher.bash"

tests/assertions.bash

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+flunk() {
+  if [ "$#" -eq 0 ]; then
+    cat -
+  else
+    echo "$@"
+  fi
+  return 1
+}
+
+assert_success() {
+  if [ "$status" -ne 0 ]; then
+    flunk "command failed with exit status $status"
+  elif [ "$#" -gt 0 ]; then
+    assert_output "$1"
+  fi
+}
+
+assert_failure() {
+  if [ "$status" -eq 0 ]; then
+    flunk "expected failed exit status"
+  elif [ "$#" -gt 0 ]; then
+    assert_output "$1"
+  fi
+}
+
+assert_equal() {
+  if [ "$1" != "$2" ]; then
+    { echo "expected: $1"
+      echo "actual:   $2"
+    } | flunk
+  fi
+}
+
+assert_output() {
+  local expected
+  if [ $# -eq 0 ]; then expected="$(cat -)"
+  else expected="$1"
+  fi
+  assert_equal "$expected" "$output"
+}
+
+assert_line() {
+  if [ "$1" -ge 0 ] 2>/dev/null; then
+    assert_equal "$2" "${lines[$1]}"
+  else
+    local line
+    for line in "${lines[@]}"; do
+      if [ "$line" = "$1" ]; then return 0; fi
+    done
+    flunk "expected line \`$1'"
+  fi
+}
+
+refute_line() {
+  if [ "$1" -ge 0 ] 2>/dev/null; then
+    local num_lines="${#lines[@]}"
+    if [ "$1" -lt "$num_lines" ]; then
+      flunk "output has $num_lines lines"
+    fi
+  else
+    local line
+    for line in "${lines[@]}"; do
+      if [ "$line" = "$1" ]; then
+        flunk "expected to not find line \`$line'"
+      fi
+    done
+  fi
+}
+
+assert() {
+  if ! "$@"; then
+    flunk "failed: $@"
+  fi
+}

tests/basher.bats

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+#!/usr/bin/env bats
+
+load test_helper
+
+@test "default BASHER_ROOT" {
+  BASHER_ROOT= run basher echo BASHER_ROOT
+  assert_output "$HOME/.basher"
+}
+
+@test "inherited BASHER_ROOT" {
+  BASHER_ROOT=/tmp/basher run basher echo BASHER_ROOT
+  assert_output "/tmp/basher"
+}

tests/init.bats

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+#!/usr/bin/env bats
+
+load test_helper
+
+@test "sources main basher lib" {
+  run basher-init -
+  assert_line "source $BASHER_ROOT/lib/basher.bash"
+}
+
+@test "exports BASHER_ROOT" {
+  BASHER_ROOT=/lol run basher-init -
+  assert_line 0 "export BASHER_ROOT=/lol"
+}

tests/libexec/basher-echo

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+#!/usr/bin/env bash
+
+eval "echo \$$1"

tests/test_helper.bash

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+load assertions
+
+export PATH="${BATS_TEST_DIRNAME}/libexec:$PATH"
+export PATH="${BATS_TEST_DIRNAME}/../libexec:$PATH"
+
+setup() {
+  export BASHER_ROOT="$BATS_TEST_DIRNAME/.."
+  eval "$(basher init -)"
+}