Revert "Strip trailing whitespace for scm fetch_revision"

This reverts commit ad8682d. The original change to SSHKit which made stripping necessary was reverted in capistrano/sshkit#249, so we no longer need to strip in capistrano.

CHANGELOG.md

@@ -13,6 +13,7 @@ https://github.com/capistrano/capistrano/compare/v3.4.0...HEAD
   * Added options to set username and password when using Subversion as SCM (@dsthode)
   * Allow after() to refer to tasks that have not been loaded yet (@jcoglan)
   * Ensure scm fetch_revision methods strip trailing whitespace (@mattbrictson)
+    * Reverted due to [SSHKit PR249](https://github.com/capistrano/sshkit/pull/249) (@robd)
   * Allow use "all" as string for server filtering (@theist)
 
 ## `3.4.0`

lib/capistrano/git.rb

@@ -40,7 +40,7 @@ def release
     end
 
     def fetch_revision
-      context.capture(:git, "rev-list --max-count=1 --abbrev-commit #{fetch(:branch)}").strip
+      context.capture(:git, "rev-list --max-count=1 --abbrev-commit #{fetch(:branch)}")
     end
   end
 end

lib/capistrano/hg.rb

@@ -37,7 +37,7 @@ def release
     end
 
     def fetch_revision
-      context.capture(:hg, "log --rev #{fetch(:branch)} --template \"{node}\n\"").strip
+      context.capture(:hg, "log --rev #{fetch(:branch)} --template \"{node}\n\"")
     end
   end
 end

lib/capistrano/svn.rb

@@ -36,7 +36,7 @@ def release
     end
 
     def fetch_revision
-      context.capture(:svnversion, repo_path).strip
+      context.capture(:svnversion, repo_path)
     end
   end
 end

spec/lib/capistrano/git_spec.rb

@@ -79,9 +79,9 @@ module Capistrano
     end
 
     describe "#fetch_revision" do
-      it "should strip trailing whitespace" do
+      it "should capture git rev-list" do
         context.expects(:fetch).with(:branch).returns(:branch)
-        context.expects(:capture).with(:git, "rev-list --max-count=1 --abbrev-commit branch").returns("01abcde\n")
+        context.expects(:capture).with(:git, "rev-list --max-count=1 --abbrev-commit branch").returns("01abcde")
         revision = subject.fetch_revision
         expect(revision).to eq("01abcde")
       end

spec/lib/capistrano/hg_spec.rb

@@ -79,9 +79,9 @@ module Capistrano
     end
 
     describe "#fetch_revision" do
-      it "should strip trailing whitespace" do
+      it "should capture hg log" do
         context.expects(:fetch).with(:branch).returns(:branch)
-        context.expects(:capture).with(:hg, "log --rev branch --template \"{node}\n\"").returns("01abcde\n")
+        context.expects(:capture).with(:hg, "log --rev branch --template \"{node}\n\"").returns("01abcde")
         revision = subject.fetch_revision
         expect(revision).to eq("01abcde")
       end

spec/lib/capistrano/svn_spec.rb

@@ -77,10 +77,10 @@ module Capistrano
     end
 
     describe "#fetch_revision" do
-      it "should run fetch revision and strip trailing whitespace" do
+      it "should capture svn version" do
         context.expects(:repo_path).returns(:path)
 
-        context.expects(:capture).with(:svnversion, :path).returns("12345\n")
+        context.expects(:capture).with(:svnversion, :path).returns("12345")
 
         revision = subject.fetch_revision
         expect(revision).to eq("12345")