https://github.com/capistrano/capistrano/compare/v3.7.2...v3.8.0

Potentially breaking changes:

• #1846: add_host will add a new host in a case where it used to incorrectly update an existing one (potentially breaking) (@dbenamy)

New features:

• #1860: Allow cap to be run within subdir and still work - @mattbrictson

Fixes:

• #1835: Stopped printing parenthesis in ask prompt if no default or nil was passed as argument (@chamini2)
• #1840: Git plugin: shellescape git_wrapper_path (@olleolleolle)
• #1843: Properly shell escape git:wrapper steps - @mattbrictson
• #1846: Defining a role is now O(hosts) instead of O(hosts^2) (@dbenamy)
• Run svn switch to work with svn branches if repo_url is changed
• #1856: Fix hg repo_tree implementation - @mattbrictson
• #1857: Don't emit doctor warning when repo_tree is set - @mattbrictson

Other changes:

• capistrano-harrow#4: Drop dependency on capistrano-harrow gem. Gem can still be installed separately (@leehambley)
• #1859: Move git-specific repo_url logic into git plugin - @mattbrictson
• #1858: Unset the :scm variable when an SCM plugin is used - @mattbrictson