From 260a2696e636ecf5db23e738d48c6d0c68bf95f2 Mon Sep 17 00:00:00 2001
From: Ciro Santilli <ciro.santilli@gmail.com>
Date: Thu, 1 Oct 2020 02:00:01 +0000
Subject: [PATCH] filter-repo

---
 other-test-repos/README.md        |  1 +
 other-test-repos/filter-repo.sh   | 61 +++++++++++++++++++++++++++++++
 other-test-repos/partial-clone.sh |  4 +-
 3 files changed, 63 insertions(+), 3 deletions(-)
 create mode 100755 other-test-repos/filter-repo.sh

diff --git a/other-test-repos/README.md b/other-test-repos/README.md
index e4c6bee..b7797b8 100644
--- a/other-test-repos/README.md
+++ b/other-test-repos/README.md
@@ -17,6 +17,7 @@ There are also some tests that could not be included here conveniently:
 - <https://github.com/cirosantilli/test-empty-commit>
 - <https://github.com/cirosantilli/test-empty-subdir>
 - <https://github.com/cirosantilli/test-git-partial-clone>: [partial-clone.sh](partial-clone.sh) | https://stackoverflow.com/questions/600079/how-do-i-clone-a-subdirectory-only-of-a-git-repository/52269934#52269934
+- <https://github.com/cirosantilli/test-git-filter-repo>: [filter-repo.sh](filter-repo.sh)
 - <https://github.com/cirosantilli/test-invalid-utf8>
 - <https://github.com/cirosantilli/test-large-file>
 - <https://github.com/cirosantilli/test-long-filename-1024>
diff --git a/other-test-repos/filter-repo.sh b/other-test-repos/filter-repo.sh
new file mode 100755
index 00000000..cfdd895
--- /dev/null
+++ b/other-test-repos/filter-repo.sh
@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+set -eu
+
+# Reproducibility.
+export GIT_COMMITTER_NAME='a'
+export GIT_COMMITTER_EMAIL='a'
+export GIT_AUTHOR_NAME='a'
+export GIT_AUTHOR_EMAIL='a'
+export GIT_COMMITTER_DATE='2000-01-01T00:00:00+0000'
+export GIT_AUTHOR_DATE='2000-01-01T00:00:00+0000'
+
+# https://stackoverflow.com/questions/600079/how-do-i-clone-a-subdirectory-only-of-a-git-repository/52269934#52269934
+rm -rf filter-repo.tmp
+mkdir -p filter-repo.tmp
+cd filter-repo.tmp
+git init
+
+# Create repo.
+git init --quiet
+
+# First commit.
+# Directories present in all branches.
+mkdir d1 d2
+printf 'd1/a' > ./d1/a
+printf 'd1/b' > ./d1/b
+printf 'd2/a' > ./d2/a
+printf 'd2/b' > ./d2/b
+# Present only in root.
+mkdir 'root'
+printf 'root' > ./root/root
+git add .
+git commit -m 'root' --quiet
+root_commmit_sha="$(git log -1 --format="%H")"
+
+# Second commit only on master.
+git rm --quiet -r ./root
+mkdir 'master'
+printf 'master' > ./master/master
+printf 'd1/a' > ./d1/a2
+git add .
+git commit -m 'master commit' --quiet
+
+# Third commit only on master.
+printf 'd1/b' > ./d1/b2
+git add .
+git commit -m 'master commit' --quiet
+
+# Second commit only on mybranch.
+git checkout -b mybranch --quiet "$root_commmit_sha"
+git rm --quiet -r ./root
+mkdir 'mybranch'
+printf 'mybranch' > ./mybranch/mybranch
+git add .
+git commit -m 'mybranch commit' --quiet
+
+# Restore master.
+git checkout --quiet master
+
+# To easily compare with the original repo.
+git remote add origin https://github.com/cirosantilli/test-git-filter-repository
+git fetch
diff --git a/other-test-repos/partial-clone.sh b/other-test-repos/partial-clone.sh
index 444a645..8686f9b 100755
--- a/other-test-repos/partial-clone.sh
+++ b/other-test-repos/partial-clone.sh
@@ -1,13 +1,11 @@
 #!/usr/bin/env bash
+set -eu
 
 # https://stackoverflow.com/questions/600079/how-do-i-clone-a-subdirectory-only-of-a-git-repository/52269934#52269934
 rm -rf partial-clone.tmp
 mkdir -p partial-clone.tmp
 cd partial-clone.tmp
 
-#!/usr/bin/env bash
-set -eu
-
 list-objects() (
   git rev-list --all --objects
   echo "master commit SHA: $(git log -1 --format="%H")"