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authorMartin Langhoff <martin@catalyst.net.nz>2006-06-28 10:13:23 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-06-28 10:53:37 (GMT)
commitc5f448b0f2dcba3b14cd8fcae7414def4d3f4e45 (patch)
tree7e61c3b050dc0f300c3ade616f10ec26cd830aac
parent3b44f15a35b3550f34a4f796706fceccdc90d506 (diff)
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cvsimport - cleanup of the multi-indexes handling
Indexes are only needed when we are about preparing to commit. Prime them inside commit() when we have all the info we need, and remove all the redundant index setups. While we are at it, make sure that index handling is correct when opening new branches, and on initial import. Signed-off-by: Martin Langhoff <martin@catalyst.net.nz> Signed-off-by: Junio C Hamano <junkio@cox.net>
-rwxr-xr-xgit-cvsimport.perl62
1 files changed, 24 insertions, 38 deletions
diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 50f5d96..e5a00a1 100755
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -467,11 +467,6 @@ my $orig_git_index;
$orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
my %index; # holds filenames of one index per branch
-$index{$opt_o} = tmpnam();
-
-$ENV{GIT_INDEX_FILE} = $index{$opt_o};
-system("git-read-tree", $opt_o);
-die "read-tree failed: $?\n" if $?;
unless(-d $git_dir) {
system("git-init-db");
@@ -499,14 +494,6 @@ unless(-d $git_dir) {
$orig_branch = $last_branch;
$tip_at_start = `git-rev-parse --verify HEAD`;
- # populate index
- unless ($index{$last_branch}) {
- $index{$last_branch} = tmpnam();
- }
- $ENV{GIT_INDEX_FILE} = $index{$last_branch};
- system('git-read-tree', $last_branch);
- die "read-tree failed: $?\n" if $?;
-
# Get the last import timestamps
opendir(D,"$git_dir/refs/heads");
while(defined(my $head = readdir(D))) {
@@ -623,6 +610,27 @@ my(@old,@new,@skipped,%ignorebranch);
$ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
sub commit {
+ if ($branch eq $opt_o && !$index{branch} && !get_headref($branch, $git_dir)) {
+ # looks like an initial commit
+ # use the index primed by git-init-db
+ $ENV{GIT_INDEX_FILE} = '.git/index';
+ $index{$branch} = '.git/index';
+ } else {
+ # use an index per branch to speed up
+ # imports of projects with many branches
+ unless ($index{$branch}) {
+ $index{$branch} = tmpnam();
+ $ENV{GIT_INDEX_FILE} = $index{$branch};
+ if ($ancestor) {
+ system("git-read-tree", $ancestor);
+ } else {
+ system("git-read-tree", $branch);
+ }
+ die "read-tree failed: $?\n" if $?;
+ }
+ }
+ $ENV{GIT_INDEX_FILE} = $index{$branch};
+
update_index(@old, @new);
@old = @new = ();
my $tree = write_tree();
@@ -811,30 +819,6 @@ while(<CVS>) {
close(H)
or die "Could not write branch $branch: $!";
}
- if(($ancestor || $branch) ne $last_branch) {
- print "Switching from $last_branch to $branch\n" if $opt_v;
- unless ($index{$branch}) {
- $index{$branch} = tmpnam();
- $ENV{GIT_INDEX_FILE} = $index{$branch};
- system("git-read-tree", $branch);
- die "read-tree failed: $?\n" if $?;
- }
- # just in case
- $ENV{GIT_INDEX_FILE} = $index{$branch};
- if ($ancestor) {
- print "have ancestor $ancestor" if $opt_v;
- system("git-read-tree", $ancestor);
- die "read-tree failed: $?\n" if $?;
- }
- } else {
- # just in case
- unless ($index{$branch}) {
- $index{$branch} = tmpnam();
- $ENV{GIT_INDEX_FILE} = $index{$branch};
- system("git-read-tree", $branch);
- die "read-tree failed: $?\n" if $?;
- }
- }
$last_branch = $branch if $branch ne $last_branch;
$state = 9;
} elsif($state == 8) {
@@ -898,7 +882,9 @@ while(<CVS>) {
commit() if $branch and $state != 11;
foreach my $git_index (values %index) {
- unlink($git_index);
+ if ($git_index ne '.git/index') {
+ unlink($git_index);
+ }
}
if (defined $orig_git_index) {