test-churn: force COLUMNS to be set

tests/test-churn

@@ -1,31 +1,33 b''
 #!/bin/sh
 
 echo "[extensions]" >> $HGRCPATH
 echo "churn=" >> $HGRCPATH
 
+COLUMNS=80; export COLUMNS
+
 echo % create test repository
 hg init repo
 cd repo
 echo a > a
 hg ci -Am adda -u user1
 echo b >> a
 echo b > b
 hg ci -Am addb -u user2
 echo c >> a
 echo c >> b
 echo c > c
 hg ci -Am addc -u user3
 
 echo % churn all
 hg churn
 echo % churn up to rev 1
 hg churn -r :1
 echo % churn with aliases
 cat > ../aliases <<EOF
 user1 alias1
 user3 alias3
 EOF
 hg churn --aliases ../aliases
 echo % churn with column specifier
 COLUMNS=40 hg churn