t/t7600: avoid GNUism in grep

[git.git] / git-svn.perl

diff --git a/git-svn.perl b/git-svn.perl
index d411a343170cf8dce9d968b84f123855b03e53d3..2c97b05885e4323fc175741e20a71f91bfbf27de 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -197,8 +197,8 @@ for (my $i = 0; $i < @ARGV; $i++) {
        }
 };
 
-# make sure we're always running
-unless ($cmd =~ /(?:clone|init|multi-init)$/) {
+# make sure we're always running at the top-level working directory
+unless ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
        unless (-d $ENV{GIT_DIR}) {
                if ($git_dir_user_set) {
                        die "GIT_DIR=$ENV{GIT_DIR} explicitly set, ",
@@ -418,7 +418,7 @@ sub cmd_dcommit {
                warn "Attempting to commit more than one change while ",
                     "--no-rebase is enabled.\n",
                     "If these changes depend on each other, re-running ",
-                    "without --no-rebase will be required."
+                    "without --no-rebase may be required."
        }
        while (1) {
                my $d = shift @$linear_refs or last;
@@ -453,6 +453,7 @@ sub cmd_dcommit {
                                                               $parents->{$d};
                        }
                        $_fetch_all ? $gs->fetch_all : $gs->fetch;
+                       $last_rev = $cmt_rev;
                        next if $_no_rebase;
 
                        # we always want to rebase against the current HEAD,
@@ -512,7 +513,6 @@ sub cmd_dcommit {
                                $parents = \%p;
                                $linear_refs = \@l;
                        }
-                       $last_rev = $cmt_rev;
                }
        }
        unlink $gs->{index};
@@ -1283,8 +1283,11 @@ BEGIN {
        }
 }
 
-my %LOCKFILES;
-END { unlink keys %LOCKFILES if %LOCKFILES }
+my (%LOCKFILES, %INDEX_FILES);
+END {
+       unlink keys %LOCKFILES if %LOCKFILES;
+       unlink keys %INDEX_FILES if %INDEX_FILES;
+}
 
 sub resolve_local_globs {
        my ($url, $fetch, $glob_spec) = @_;
@@ -1376,7 +1379,6 @@ sub fetch_all {
 
        ($base, $head) = parse_revision_argument($base, $head);
        $ra->gs_fetch_loop_common($base, $head, \@gs, \@globs);
-       unlink $_->{index} foreach @gs;
 }
 
 sub read_all_remotes {
@@ -2052,18 +2054,16 @@ sub full_url {
        $self->{url} . (length $self->{path} ? '/' . $self->{path} : '');
 }
 
-sub do_git_commit {
-       my ($self, $log_entry) = @_;
-       my $lr = $self->last_rev;
-       if (defined $lr && $lr >= $log_entry->{revision}) {
-               die "Last fetched revision of ", $self->refname,
-                   " was r$lr, but we are about to fetch: ",
-                   "r$log_entry->{revision}!\n";
-       }
-       if (my $c = $self->rev_map_get($log_entry->{revision})) {
-               croak "$log_entry->{revision} = $c already exists! ",
-                     "Why are we refetching it?\n";
+
+sub set_commit_header_env {
+       my ($log_entry) = @_;
+       my %env;
+       foreach my $ned (qw/NAME EMAIL DATE/) {
+               foreach my $ac (qw/AUTHOR COMMITTER/) {
+                       $env{"GIT_${ac}_${ned}"} = $ENV{"GIT_${ac}_${ned}"};
+               }
        }
+
        $ENV{GIT_AUTHOR_NAME} = $log_entry->{name};
        $ENV{GIT_AUTHOR_EMAIL} = $log_entry->{email};
        $ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date};
@@ -2074,7 +2074,36 @@ sub do_git_commit {
        $ENV{GIT_COMMITTER_EMAIL} = (defined $log_entry->{commit_email})
                                                ? $log_entry->{commit_email}
                                                : $log_entry->{email};
+       \%env;
+}
+
+sub restore_commit_header_env {
+       my ($env) = @_;
+       foreach my $ned (qw/NAME EMAIL DATE/) {
+               foreach my $ac (qw/AUTHOR COMMITTER/) {
+                       my $k = "GIT_${ac}_${ned}";
+                       if (defined $env->{$k}) {
+                               $ENV{$k} = $env->{$k};
+                       } else {
+                               delete $ENV{$k};
+                       }
+               }
+       }
+}
 
+sub do_git_commit {
+       my ($self, $log_entry) = @_;
+       my $lr = $self->last_rev;
+       if (defined $lr && $lr >= $log_entry->{revision}) {
+               die "Last fetched revision of ", $self->refname,
+                   " was r$lr, but we are about to fetch: ",
+                   "r$log_entry->{revision}!\n";
+       }
+       if (my $c = $self->rev_map_get($log_entry->{revision})) {
+               croak "$log_entry->{revision} = $c already exists! ",
+                     "Why are we refetching it?\n";
+       }
+       my $old_env = set_commit_header_env($log_entry);
        my $tree = $log_entry->{tree};
        if (!defined $tree) {
                $tree = $self->tmp_index_do(sub {
@@ -2089,6 +2118,7 @@ sub do_git_commit {
        defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec))
                                                                   or croak $!;
        print $msg_fh $log_entry->{log} or croak $!;
+       restore_commit_header_env($old_env);
        unless ($self->no_metadata) {
                print $msg_fh "\ngit-svn-id: $log_entry->{metadata}\n"
                              or croak $!;
@@ -3149,9 +3179,15 @@ sub close_file {
                }
                sysseek($fh, 0, 0) or croak $!;
                if ($fb->{mode_b} == 120000) {
-                       sysread($fh, my $buf, 5) == 5 or croak $!;
-                       $buf eq 'link ' or die "$path has mode 120000",
-                                              "but is not a link\n";
+                       eval {
+                               sysread($fh, my $buf, 5) == 5 or croak $!;
+                               $buf eq 'link ' or die "$path has mode 120000",
+                                                      " but is not a link";
+                       };
+                       if ($@) {
+                               warn "$@\n";
+                               sysseek($fh, 0, 0) or croak $!;
+                       }
                }
                defined(my $pid = open my $out,'-|') or die "Can't fork: $!\n";
                if (!$pid) {
@@ -3911,6 +3947,7 @@ sub gs_fetch_loop_common {
                                if ($log_entry) {
                                        $gs->do_git_commit($log_entry);
                                }
+                               $INDEX_FILES{$gs->{index}} = 1;
                        }
                        foreach my $g (@$globs) {
                                my $k = "svn-remote.$g->{remote}." .