#!/bin/sh
EMPTY_BLOB=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
set -e
depth=5
width=10
files=9
while test "$#" -ne 0
do
case "$1" in
-r)
shift;
test "$#" -ne 0 || { echo 'error: -r requires an argument' >&2; exit 1; }
repo=$1;
shift ;;
-d)
shift;
test "$#" -ne 0 || { echo 'error: -d requires an argument' >&2; exit 1; }
depth=$1;
shift ;;
-w)
shift;
test "$#" -ne 0 || { echo 'error: -w requires an argument' >&2; exit 1; }
width=$1;
shift ;;
-f)
shift;
test "$#" -ne 0 || { echo 'error: -f requires an argument' >&2; exit 1; }
files=$1;
shift ;;
*)
echo "error: unknown option '$1'" >&2; exit 1 ;;
esac
done
fill_index() {
awk -v arg_dir=$1 -v arg_depth=$2 -v arg_width=$3 -v arg_files=$4 '
function make_paths(dir, depth, width, files, f, w) {
for (f = 1; f <= files; f++) {
print dir "/file" f
}
if (depth > 0) {
for (w = 1; w <= width; w++) {
make_paths(dir "/dir" w, depth - 1, width, files)
}
}
}
END { make_paths(arg_dir, arg_depth, arg_width, arg_files) }
' </dev/null |
sed "s/^/100644 $EMPTY_BLOB /" |
git update-index --index-info
return 0
}
[ -z "$repo" ] && repo=gen-many-files-$depth.$width.$files.git
mkdir $repo
cd $repo
git init .
touch many-files.empty
echo "$depth $width $files" >many-files.params
git add many-files.*
git commit -q -m params
git checkout -b p0006-ballast
fill_index "ballast" $depth $width $files
git commit -q -m "ballast"
nr_files=$(git ls-files | wc -l)
echo "$depth $width $files" >>many-files.params
git add many-files.params
git commit -q -m "ballast plus 1"
git checkout master
echo "Repository "$repo" ($depth, $width, $files) created. Ballast $nr_files."
exit 0