--- a/docs/prompt-session-git.sh	Thu Sep 04 03:33:16 2014 +0900
+++ b/docs/prompt-session-git.sh	Thu Sep 04 14:26:58 2014 +0900
@@ -1,13 +1,13 @@
 #!/bin/false
 # paste this into an interactive shell
 
-cd /tmp/ && git init gitrepo && cd gitrepo/
+cd "$(mktemp -d)" && git init gitrepo && cd gitrepo
 echo 'a' > foo
 git add foo
 git commit -m 'a'
 echo 'b' >> foo
 git commit -a -m 'b'
-git checkout HEAD@{1}
+git checkout -q HEAD@{1}
 git checkout -b secret
 echo 's' >> foo && git commit -a -m 's'
 git merge master --strategy=ours --no-commit

--- a/docs/prompt-session-hg.sh	Thu Sep 04 03:33:16 2014 +0900
+++ b/docs/prompt-session-hg.sh	Thu Sep 04 14:26:58 2014 +0900
@@ -1,7 +1,7 @@
 #!/bin/false
 # paste this into an interactive shell
 
-cd /tmp/ && hg init hgrepo && cd hgrepo/
+cd "$(mktemp -d)" && hg init hgrepo && cd hgrepo
 echo 'a' > foo && hg add foo
 hg ci -m 'a'
 echo 'b' >> foo && hg ci -m 'b'