commit 09209b8a13411e9d8464267c5e65c2c848455496
from: Stefan Sperling <stsp@stsp.name>
date: Fri Oct 08 08:34:39 2021 UTC

add test for merge result when lines are inserted at the top of a file

Based on a patch by Omar Polo

commit - aaef19b43a34ed335737d733fbfea51056f2e2bb
commit + 09209b8a13411e9d8464267c5e65c2c848455496
blob - 051f0bedccbe45d193bdeb08943bd0f9767a2f04
blob + 3dc4a6ab158e29a3c8676f7101028ffc33ea2efc
--- regress/cmdline/histedit.sh
+++ regress/cmdline/histedit.sh
@@ -1916,7 +1916,63 @@ EOF
 	fi
 	test_done "$testroot" "$ret"
 }
+
+test_histedit_prepend_line() {
+	local testroot=`test_init histedit_prepend_line`
+	local orig_commit=`git_show_head $testroot/repo`
+
+	got checkout $testroot/repo $testroot/wt > /dev/null
+
+	ed "$testroot/wt/alpha" <<EOF >/dev/null 2>&1
+0i
+first line
+.
+wq
+EOF
+
+	cp $testroot/wt/alpha $testroot/content.expected
 
+	(cd $testroot/wt/ && got commit -m 'modified alpha on master' \
+		alpha > /dev/null)
+	ret="$?"
+	if [ "$?" != 0 ]; then
+		echo "got commit failed unexpectedly" >&2
+		test_done "$testroot" "$ret"
+		return 1
+	fi
+
+	local top_commit=`git_show_head $testroot/repo`
+	echo "pick $top_commit" > "$testroot/histedit-script"
+
+	(cd $testroot/wt/ && got update -c $orig_commit > /dev/null)
+	ret="$?"
+	if [ "$?" != 0 ]; then
+		echo "got update failed unexpectedly" >&2
+		test_done "$testroot" "$ret"
+		return 1
+	fi
+
+	(cd $testroot/wt && got histedit -F "$testroot/histedit-script" \
+		> /dev/null)
+	ret="$?"
+	if [ "$?" != 0 ]; then
+		echo "got histedit failed unexpectedly" >&2
+		test_done "$testroot" "$ret"
+		return 1
+	fi
+
+	cp $testroot/wt/alpha $testroot/content
+	cmp -s $testroot/content.expected $testroot/content
+	ret="$?"
+	if [ "$ret" != "0" ]; then
+		diff -u $testroot/content.expected $testroot/content
+		test_done "$testroot" "$ret"
+		return 1
+	fi
+
+	test_done "$testroot" $ret
+}
+
 test_parseargs "$@"
 run_test test_histedit_no_op
 run_test test_histedit_swap
@@ -1936,3 +1992,4 @@ run_test test_histedit_fold_add_delete
 run_test test_histedit_fold_only
 run_test test_histedit_fold_only_empty_logmsg
 run_test test_histedit_edit_only
+run_test test_histedit_prepend_line