зеркало из https://github.com/microsoft/git.git
Merge branch 'js/cvsexportcommit'
* js/cvsexportcommit: cvsexportcommit: introduce -W for shared working trees (between Git and CVS) cvsexportcommit: chomp only removes trailing whitespace Conflicts: git-cvsexportcommit.perl
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Коммит
6c99f18660
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@ -8,7 +8,7 @@ git-cvsexportcommit - Export a single commit to a CVS checkout
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SYNOPSIS
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--------
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'git-cvsexportcommit' [-h] [-u] [-v] [-c] [-P] [-p] [-a] [-d cvsroot] [-w cvsworkdir] [-f] [-m msgprefix] [PARENTCOMMIT] COMMITID
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'git-cvsexportcommit' [-h] [-u] [-v] [-c] [-P] [-p] [-a] [-d cvsroot] [-w cvsworkdir] [-W] [-f] [-m msgprefix] [PARENTCOMMIT] COMMITID
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DESCRIPTION
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@ -68,6 +68,11 @@ OPTIONS
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current directory is within a git repository. The default is the
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value of 'cvsexportcommit.cvsdir'.
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-W::
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Tell cvsexportcommit that the current working directory is not only
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a Git checkout, but also the CVS checkout. Therefore, Git will
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reset the working directory to the parent commit before proceeding.
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-v::
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Verbose.
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@ -8,9 +8,9 @@ use File::Basename qw(basename dirname);
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use File::Spec;
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use Git;
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our ($opt_h, $opt_P, $opt_p, $opt_v, $opt_c, $opt_f, $opt_a, $opt_m, $opt_d, $opt_u, $opt_w);
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our ($opt_h, $opt_P, $opt_p, $opt_v, $opt_c, $opt_f, $opt_a, $opt_m, $opt_d, $opt_u, $opt_w, $opt_W);
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getopts('uhPpvcfam:d:w:');
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getopts('uhPpvcfam:d:w:W');
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$opt_h && usage();
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@ -20,7 +20,7 @@ die "Need at least one commit identifier!" unless @ARGV;
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my $repo = Git->repository();
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$opt_w = $repo->config('cvsexportcommit.cvsdir') unless defined $opt_w;
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if ($opt_w) {
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if ($opt_w || $opt_W) {
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# Remember where GIT_DIR is before changing to CVS checkout
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unless ($ENV{GIT_DIR}) {
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# No GIT_DIR set. Figure it out for ourselves
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@ -30,7 +30,9 @@ if ($opt_w) {
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}
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# Make sure GIT_DIR is absolute
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$ENV{GIT_DIR} = File::Spec->rel2abs($ENV{GIT_DIR});
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}
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if ($opt_w) {
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if (! -d $opt_w."/CVS" ) {
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die "$opt_w is not a CVS checkout";
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}
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@ -121,6 +123,15 @@ if ($parent) {
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}
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}
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my $go_back_to = 0;
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if ($opt_W) {
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$opt_v && print "Resetting to $parent\n";
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$go_back_to = `git symbolic-ref HEAD 2> /dev/null ||
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git rev-parse HEAD` || die "Could not determine current branch";
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system("git checkout -q $parent^0") && die "Could not check out $parent^0";
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}
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$opt_v && print "Applying to CVS commit $commit from parent $parent\n";
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# grab the commit message
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@ -215,7 +226,8 @@ if (@canstatusfiles) {
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my $basename = basename($name);
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$basename = "no file " . $basename if (exists($added{$basename}));
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chomp($basename);
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$basename =~ s/^\s+//;
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$basename =~ s/\s+$//;
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if (!exists($fullname{$basename})) {
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$fullname{$basename} = $name;
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@ -264,7 +276,11 @@ if ($dirty) {
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}
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print "Applying\n";
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`GIT_DIR= git-apply $context --summary --numstat --apply <.cvsexportcommit.diff` || die "cannot patch";
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if ($opt_W) {
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system("git checkout -q $commit^0") && die "cannot patch";
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} else {
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`GIT_DIR= git-apply $context --summary --numstat --apply <.cvsexportcommit.diff` || die "cannot patch";
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}
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print "Patch applied successfully. Adding new files and directories to CVS\n";
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my $dirtypatch = 0;
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@ -317,7 +333,9 @@ if ($dirtypatch) {
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print "using a patch program. After applying the patch and resolving the\n";
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print "problems you may commit using:";
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print "\n cd \"$opt_w\"" if $opt_w;
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print "\n $cmd\n\n";
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print "\n $cmd\n";
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print "\n git checkout $go_back_to\n" if $go_back_to;
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print "\n";
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exit(1);
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}
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@ -337,6 +355,14 @@ if ($opt_c) {
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# clean up
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unlink(".cvsexportcommit.diff");
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if ($opt_W) {
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system("git checkout $go_back_to") && die "cannot move back to $go_back_to";
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if (!($go_back_to =~ /^[0-9a-fA-F]{40}$/)) {
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system("git symbolic-ref HEAD $go_back_to") &&
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die "cannot move back to $go_back_to";
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}
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}
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# CVS version 1.11.x and 1.12.x sleeps the wrong way to ensure the timestamp
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# used by CVS and the one set by subsequence file modifications are different.
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# If they are not different CVS will not detect changes.
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@ -297,4 +297,21 @@ test_expect_success 'commit a file with leading spaces in the name' '
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'
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test_expect_success 'use the same checkout for Git and CVS' '
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(mkdir shared &&
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cd shared &&
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unset GIT_DIR &&
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cvs co . &&
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git init &&
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git add " space" &&
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git commit -m "fake initial commit" &&
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echo Hello >> " space" &&
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git commit -m "Another change" " space" &&
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git cvsexportcommit -W -p -u -c HEAD &&
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grep Hello " space" &&
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git diff-files)
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'
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test_done
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