link: Update documentation.

[gnulib.git] / tests / test-update-copyright.sh

diff --git a/tests/test-update-copyright.sh b/tests/test-update-copyright.sh
index e8a71ce..2d1022a 100755 (executable)
--- a/tests/test-update-copyright.sh
+++ b/tests/test-update-copyright.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Test suite for update-copyright.
-# Copyright (C) 2009 Free Software Foundation, Inc.
+# Copyright (C) 2009-2010 Free Software Foundation, Inc.
 # This file is part of the GNUlib Library.
 #
 # This program is free software: you can redistribute it and/or modify
@@ -24,6 +24,32 @@ else
 fi
 
 TMP_BASE=update-copyright.test
+trap 'rm -f $TMP_BASE*' 0 1 2 3 15
+
+## --------------------------------- ##
+## Skip if user does not have perl.  ##
+## --------------------------------- ##
+
+TMP=$TMP_BASE
+s=$TMP-script
+cat <<\EOF > $s
+eval '(exit $?0)' && eval 'exec perl -wS -0777 -pi "$0" ${1+"$@"}'
+  & eval 'exec perl -wS -0777 -pi "$0" $argv:q'
+    if 0;
+s/a/b/
+EOF
+chmod a+x $s
+echo a > $TMP-in
+./$s $TMP-in 2>/dev/null && test b = "`cat $TMP-in 2>/dev/null`" ||
+  {
+    printf '%s\n' "$0: skipping this test;" \
+      'your system has insufficient support for Perl' 1>&2
+    exit 77
+  }
+
+# Do not let a different envvar setting perturb results.
+UPDATE_COPYRIGHT_MAX_LINE_LENGTH=72
+export UPDATE_COPYRIGHT_MAX_LINE_LENGTH
 
 ## ----------------------------- ##
 ## Examples from documentation.  ##
@@ -65,6 +91,7 @@ Copyright (C) 1990-2005, 2007-2009 Acme, Inc.
 # Foundation, Inc.
 EOF
 
+rm -f $TMP.*.bak
 UPDATE_COPYRIGHT_YEAR=2009 \
   update-copyright $TMP.* 1> $TMP-stdout 2> $TMP-stderr
 compare /dev/null $TMP-stdout || exit 1
@@ -107,6 +134,7 @@ Copyright (C) 1990-2005, 2007-2009 Acme, Inc.
 # Foundation, Inc.
 EOF
 
+rm -f $TMP.*.bak
 UPDATE_COPYRIGHT_YEAR=2010 UPDATE_COPYRIGHT_USE_INTERVALS=1 \
   update-copyright $TMP.* 1> $TMP-stdout 2> $TMP-stderr
 compare /dev/null $TMP-stdout || exit 1
@@ -145,6 +173,7 @@ Copyright (C) 1990-2005, 2007-2009 Acme, Inc.
 # Copyright (C) 1990-2005, 2007-2010 Free Software Foundation, Inc.
 EOF
 
+rm -f $TMP.*.bak
 UPDATE_COPYRIGHT_YEAR=2010 UPDATE_COPYRIGHT_FORCE=1 \
   update-copyright $TMP.* 1> $TMP-stdout 2> $TMP-stderr
 compare /dev/null $TMP-stdout || exit 1
@@ -198,7 +227,7 @@ rm $TMP*
 ## -------------- ##
 
 TMP=$TMP_BASE-current-year
-YEAR=`/usr/bin/perl -e 'print [localtime]->[5] + 1900'`;
+YEAR=`date +%Y`
 cat > $TMP <<EOF
 '\" Copyright (C) 2006
 '\" Free Software Foundation,