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improve git repository detection

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* configure.in (AC_CONFIG_FILES): $srcdir/.git can be a file pointing
  the real git_dir, such as when the git working tree is a "linked
  working tree" (a working tree created by git-worktree). So use
  git-rev-parse --git-dir to check if $srcdir is the top-level of a git
  repository, not just checking if the $srcdir/.git directory does exist
  or not.  [ruby-core:74759] [Bug #12239]
* tool/change_maker.rb: use tool/vcs.rb to detect VCS. This used to have
  its own VCS detection code, while we have tool/vcs.rb.
* tool/vcs.rb (detect): remove code duplication

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-04-01 05:55:30 +00:00
parent 34c0c84086
commit 69d6e315b5
4 changed files with 36 additions and 14 deletions
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14
ChangeLog
View file

@ -1,3 +1,17 @@
Fri Apr 1 14:55:28 2016 Kazuki Yamaguchi <k@rhe.jp>
* configure.in (AC_CONFIG_FILES): $srcdir/.git can be a file pointing
the real git_dir, such as when the git working tree is a "linked
working tree" (a working tree created by git-worktree). So use
git-rev-parse --git-dir to check if $srcdir is the top-level of a git
repository, not just checking if the $srcdir/.git directory does exist
or not. [ruby-core:74759] [Bug #12239]
* tool/change_maker.rb: use tool/vcs.rb to detect VCS. This used to have
its own VCS detection code, while we have tool/vcs.rb.
* tool/vcs.rb (detect): remove code duplication
Fri Apr 1 04:50:44 2016 Eric Wong <e@80x24.org>
* ext/openssl/ossl_ssl.c (ossl_sslctx_s_alloc):

10
configure.in
View file

@ -4464,10 +4464,12 @@ AC_CONFIG_FILES(Makefile, [
:
elif svn info "$srcdir" > /dev/null 2>&1; then
VCS='svn'
elif test -d "$srcdir/.git/svn"; then
VCS='git svn'
elif test -d "$srcdir/.git"; then
VCS='git'
elif git_dir=`git --work-tree="$srcdir" --git-dir="$srcdir/.git" rev-parse --git-dir 2>/dev/null`; then
if test -d "$git_dir/svn"; then
VCS='git svn'
else
VCS='git'
fi
else
VCS='echo cannot'
fi

14
tool/change_maker.rb
View file

@ -1,5 +1,8 @@
#! ./miniruby
$:.unshift(File.expand_path("../../lib", __FILE__))
require File.expand_path("../vcs", __FILE__)
def diff2index(cmd, *argv)
lines = []
path = nil
@ -22,10 +25,17 @@ def diff2index(cmd, *argv)
lines.empty? ? nil : lines
end
if `svnversion` =~ /^\d+/
vcs = begin
VCS.detect(".")
rescue VCS::NotFoundError
nil
end
case vcs
when VCS::SVN
cmd = "svn diff --diff-cmd=diff -x-pU0"
change = diff2index(cmd, ARGV)
elsif File.directory?(".git")
when VCS::GIT
cmd = "git diff -U0"
change = diff2index(cmd, ARGV) || diff2index(cmd, "--cached", ARGV)
else

12
tool/vcs.rb
View file

@ -73,15 +73,11 @@ class VCS
def self.detect(path)
@@dirs.each do |dir, klass, pred|
if pred ? pred[path, dir] : File.directory?(File.join(path, dir))
return klass.new(path)
end
prev = path
curr = path
loop {
curr = File.realpath(File.join(prev, '..'))
break if curr == prev # stop at the root directory
return klass.new(path) if File.directory?(File.join(curr, dir))
prev = curr
return klass.new(curr) if pred ? pred[curr, dir] : File.directory?(File.join(curr, dir))
prev, curr = curr, File.realpath(File.join(curr, '..'))
break if curr == prev # stop at the root directory
}
end
raise VCS::NotFoundError, "does not seem to be under a vcs: #{path}"