+# Helpers for dealing with large numbers of packs.
+
+# create $1 nonsense packs, each with a single blob
+create_packs () {
+ perl -le '
+ my ($n) = @ARGV;
+ for (1..$n) {
+ print "blob";
+ print "data <<EOF";
+ print "$_";
+ print "EOF";
+ }
+ ' "$@" |
+ git fast-import &&
+
+ git cat-file --batch-all-objects --batch-check='%(objectname)' |
+ while read sha1
+ do
+ echo $sha1 | git pack-objects .git/objects/pack/pack
+ done
+}
+
+# create a large number of packs, disabling any gc which might
+# cause us to repack them
+setup_many_packs () {
+ git config gc.auto 0 &&
+ git config gc.autopacklimit 0 &&
+ create_packs 500
+}