https://git.ruby-lang.org/ruby.git/commit/?id=7790b610b8

From 7790b610b8c11ae987e0f9a936418a7a34a8af0b Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 28 Apr 2019 02:00:39 +0900
Subject: Shorten git revision name without "r" prefix in snapshot


diff --git a/tool/make-snapshot b/tool/make-snapshot
index 4ba1da5..4cd47cf 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -301,14 +301,14 @@ def package(vcs, rev, destdir, tmp = nil) https://github.com/ruby/ruby/blob/trunk/tool/make-snapshot#L301
     unless tag.empty?
       versionhdr ||= IO.read("#{v}/version.h")
       patchlevel = versionhdr[/^\#define\s+RUBY_PATCHLEVEL\s+(\d+)/, 1]
-      tag = (patchlevel ? "p#{patchlevel}" : "r#{revision}")
+      tag = (patchlevel ? "p#{patchlevel}" : vcs.revision_name(revision))
     end
   elsif prerelease
     versionhdr ||= IO.read("#{v}/version.h")
     versionhdr.sub!(/^\#define\s+RUBY_PATCHLEVEL_STR\s+"\K.+?(?=")/, tag)
     IO.write("#{v}/version.h", versionhdr)
   else
-    tag ||= "r#{revision}"
+    tag ||= vcs.revision_name(revision)
   end
   unless v == $exported
     if $archname
diff --git a/tool/vcs.rb b/tool/vcs.rb
index 6078f1a..cf8a710 100644
--- a/tool/vcs.rb
+++ b/tool/vcs.rb
@@ -220,10 +220,18 @@ class VCS https://github.com/ruby/ruby/blob/trunk/tool/vcs.rb#L220
   def after_export(dir)
   end
 
+  def revision_name(rev)
+    self.class.revision_name(rev)
+  end
+
   class SVN < self
     register(".svn")
     COMMAND = ENV['SVN'] || 'svn'
 
+    def self.revision_name(rev)
+      "r#{rev}"
+    end
+
     def self.get_revisions(path, srcdir = nil)
       if srcdir and local_path?(path)
         path = File.join(srcdir, path)
@@ -374,20 +382,25 @@ class VCS https://github.com/ruby/ruby/blob/trunk/tool/vcs.rb#L382
 
     def self.get_revisions(path, srcdir = nil)
       gitcmd = [COMMAND]
-      last = cmd_read_at(srcdir, [[*gitcmd, 'rev-parse', 'HEAD']]).rstrip
+      last = cmd_read_at(srcdir, [[*gitcmd, 'rev-parse', '--short', 'HEAD']]).rstrip
       if path
         log = cmd_read_at(srcdir, [[*gitcmd, 'log', '-n1', '--date=iso', path]])
       else
         log = cmd_read_at(srcdir, [[*gitcmd, 'log', '-n1', '--date=iso']])
       end
       changed = log[/\Acommit (\h+)/, 1]
+      changed = changed[0, last.size]
       modified = log[/^Date:\s+(.*)/, 1]
-      branch = cmd_read_at(srcdir, [gitcmd + %W[symbolic-ref HEAD]])[%r'\A(?:refs/heads/)?(.+)', 1]
+      branch = cmd_read_at(srcdir, [gitcmd + %W[symbolic-ref --short HEAD]])
       title = cmd_read_at(srcdir, [gitcmd + %W[log --format=%s -n1 FETCH_HEAD..HEAD]])
       title = nil if title.empty?
       [last, changed, modified, branch, title]
     end
 
+    def self.revision_name(rev)
+      rev
+    end
+
     def initialize(*)
       super
       if srcdir = @srcdir and self.class.local_path?(srcdir)
@@ -488,6 +501,10 @@ class VCS https://github.com/ruby/ruby/blob/trunk/tool/vcs.rb#L501
   end
 
   class GITSVN < GIT
+    def self.revision_name(rev)
+      SVN.short_revision(rev)
+    end
+
     def format_changelog(r, path)
       open(path, 'w') do |w|
         sep = "-"*72
-- 
cgit v0.10.2


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