From 7bc5366af1abb572238aa24dfe2552aed1fab966 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Thu, 15 Nov 2018 01:18:46 +0100
Subject: [PATCH] Add tests for branch name vulnerability

---
 test/segments/vcs-git.spec | 11 +++++++++++
 test/segments/vcs-hg.spec  | 13 ++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/test/segments/vcs-git.spec b/test/segments/vcs-git.spec
index 17a277f..bb51766 100755
--- a/test/segments/vcs-git.spec
+++ b/test/segments/vcs-git.spec
@@ -490,4 +490,15 @@ function testDetectingUntrackedFilesInCleanSubdirectoryWorks() {
    assertEquals "%K{002} %F{000} master ? %k%F{002}%f " "$(build_left_prompt)"
 }
 
+function testBranchNameScriptingVulnerability() {
+  echo "#!/bin/sh\n\necho 'hacked'\n" > evil_script.sh
+  chmod +x evil_script.sh
+
+  git checkout -b "$(./evil_script.sh)" 2>/dev/null
+  git add . 2>/dev/null
+  git commit -m "Initial commit" >/dev/null
+
+  assertEquals "%K{002} %F{000} %f%F{000} \$(./evil_script.sh) %k%F{002}%f " "$(__p9k_build_left_prompt)"
+}
+
 source shunit2/shunit2
diff --git a/test/segments/vcs-hg.spec b/test/segments/vcs-hg.spec
index 2903f54..53afbaa 100755
--- a/test/segments/vcs-hg.spec
+++ b/test/segments/vcs-hg.spec
@@ -204,4 +204,15 @@ function testBookmarkIconWorks() {
   assertEquals "%K{002} %F{000} default Binitial %k%F{002}%f " "$(build_left_prompt)"
 }
 
-source shunit2/shunit2
\ No newline at end of file
+function testBranchNameScriptingVulnerability() {
+  echo "#!/bin/sh\n\necho 'hacked'\n" > evil_script.sh
+  chmod +x evil_script.sh
+
+  hg branch '$(./evil_script.sh)' >/dev/null
+  hg add . >/dev/null
+  hg commit -m "Initial commit" >/dev/null
+
+  assertEquals "%K{002} %F{000} %f%F{000} \$(./evil_script.sh) %k%F{002}%f " "$(build_left_prompt)"
+}
+
+source shunit2/shunit2