add no-compact-flags test

Author: DannyBen

spec/approvals/fixtures/no-compact-flags

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+creating user files in src
+skipped src/initialize.sh (exists)
+skipped src/root_command.sh (exists)
+created ./cli
+run ./cli --help to test your bash script
++ ./cli -abc --delta
+# this file is located in 'src/root_command.sh'
+# you can edit it freely and regenerate (it will not be overwritten)
+args:
+- ${args[--alpha]} = 1
+- ${args[--bravo]} = 1
+- ${args[--charlie]} = 1
+- ${args[--delta]} = 1
++ BASHLY_COMPACT_SHORT_FLAGS=no
++ bundle exec bashly generate
+creating user files in src
+skipped src/initialize.sh (exists)
+skipped src/root_command.sh (exists)
+created ./cli
+run ./cli --help to test your bash script
++ ./cli -abc --delta
+invalid option: -abc
++ ./cli -a -b -c
+# this file is located in 'src/root_command.sh'
+# you can edit it freely and regenerate (it will not be overwritten)
+args:
+- ${args[--alpha]} = 1
+- ${args[--bravo]} = 1
+- ${args[--charlie]} = 1

spec/fixtures/workspaces/no-compact-flags/.gitignore

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+cli

spec/fixtures/workspaces/no-compact-flags/README.md

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+This fixture tests that setting `compact_short_flags` to `false` indeed ignores
+this `-abc` pattern.

spec/fixtures/workspaces/no-compact-flags/src/bashly.yml

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+name: cli
+help: Sample application
+version: 0.1.0
+
+flags:
+- long: --alpha
+  short: -a
+  help: Alpha
+- long: --bravo
+  short: -b
+  help: Bravo
+- long: --charlie
+  short: -c
+  help: Charlie
+- long: --delta
+  short: -d
+  help: Delta
+
+
+
+

spec/fixtures/workspaces/no-compact-flags/src/initialize.sh

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+## Code here runs inside the initialize() function
+## Use it for anything that you need to run before any other function, like
+## setting environment variables:
+## CONFIG_FILE=settings.ini
+##
+## Feel free to empty (but not delete) this file.

spec/fixtures/workspaces/no-compact-flags/src/root_command.sh

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+echo "# this file is located in 'src/root_command.sh'"
+echo "# you can edit it freely and regenerate (it will not be overwritten)"
+inspect_args

spec/fixtures/workspaces/no-compact-flags/test.sh

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+#!/usr/bin/env bash
+
+# This fixture tests that setting `compact_short_flags` to `false` indeed ignores
+# this `-abc` pattern.
+
+bundle exec bashly generate
+
+set -x
+
+./cli -abc --delta
+
+# Use ad-hoc setting through an environment variable
+BASHLY_COMPACT_SHORT_FLAGS="no" bundle exec bashly generate
+
+./cli -abc --delta
+./cli -a -b -c