patch 8.1.0553: it is not easy to edit a script that was sourced
Problem: It is not easy to edit a script that was sourced.
Solution: Add a count to ":scriptnames", so that ":script 40" edits the
script with script ID 40.
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 45f45d7..5b85156 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -158,6 +158,7 @@
test_registers.res \
test_retab.res \
test_ruby.res \
+ test_scriptnames.res \
test_scrollbind.res \
test_search.res \
test_shortpathname.res \
diff --git a/src/testdir/test_scriptnames.vim b/src/testdir/test_scriptnames.vim
new file mode 100644
index 0000000..fc6c910
--- /dev/null
+++ b/src/testdir/test_scriptnames.vim
@@ -0,0 +1,26 @@
+" Test for :scriptnames
+
+func Test_scriptnames()
+ call writefile(['let did_load_script = 123'], 'Xscripting')
+ source Xscripting
+ call assert_equal(123, g:did_load_script)
+
+ let scripts = split(execute('scriptnames'), "\n")
+ let last = scripts[-1]
+ call assert_match('\<Xscripting\>', last)
+ let lastnr = substitute(last, '\D*\(\d\+\):.*', '\1', '')
+ exe 'script ' . lastnr
+ call assert_equal('Xscripting', expand('%:t'))
+
+ call assert_fails('script ' . (lastnr + 1), 'E474:')
+ call assert_fails('script 0', 'E939:')
+
+ new
+ call setline(1, 'nothing')
+ call assert_fails('script ' . lastnr, 'E37:')
+ exe 'script! ' . lastnr
+ call assert_equal('Xscripting', expand('%:t'))
+
+ bwipe
+ call delete('Xscripting')
+endfunc