[PATCH v2 2/2] Support nvim as merge tool

[pudinha <rogi@skylittlesystem.org>]

---
 contrib/completion/git-completion.bash |  4 ++--
 git-mergetool--lib.sh                  |  7 +++++--
 mergetools/nvimdiff                    |  1 +
 mergetools/vimdiff                     | 15 +++++++++------
 4 files changed, 17 insertions(+), 10 deletions(-)
 create mode 100644 mergetools/nvimdiff

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ee468ea3b0..aed08f8df5 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1712,8 +1712,8 @@ _git_diff ()
 }
 
 __git_mergetools_common="diffuse diffmerge ecmerge emerge kdiff3 meld opendiff
-			tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc
-			codecompare smerge
+			tkdiff vimdiff nvimdiff gvimdiff xxdiff araxis p4merge
+			bc codecompare smerge
 "
 
 _git_difftool ()
diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 29fecc340f..2defef28cd 100644
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -304,11 +304,14 @@ list_merge_tool_candidates () {
 		tools="$tools smerge"
 	fi
 	case "${VISUAL:-$EDITOR}" in
+	*nvim*)
+		tools="$tools nvimdiff vimdiff emerge"
+		;;
 	*vim*)
-		tools="$tools vimdiff emerge"
+		tools="$tools vimdiff nvimdiff emerge"
 		;;
 	*)
-		tools="$tools emerge vimdiff"
+		tools="$tools emerge vimdiff nvimdiff"
 		;;
 	esac
 }
diff --git a/mergetools/nvimdiff b/mergetools/nvimdiff
new file mode 100644
index 0000000000..04a5bb0ea8
--- /dev/null
+++ b/mergetools/nvimdiff
@@ -0,0 +1 @@
+. "$MERGE_TOOLS_DIR/vimdiff"
diff --git a/mergetools/vimdiff b/mergetools/vimdiff
index 3925e1fc3e..abc8ce4ec4 100644
--- a/mergetools/vimdiff
+++ b/mergetools/vimdiff
@@ -5,7 +5,7 @@ diff_cmd () {
 
 merge_cmd () {
 	case "$1" in
-	gvimdiff|vimdiff)
+	*vimdiff)
 		if $base_present
 		then
 			"$merge_tool_path" -f -d -c '4wincmd w | wincmd J' \
@@ -15,11 +15,11 @@ merge_cmd () {
 				"$LOCAL" "$MERGED" "$REMOTE"
 		fi
 		;;
-	gvimdiff2|vimdiff2)
+	*vimdiff2)
 		"$merge_tool_path" -f -d -c 'wincmd l' \
 			"$LOCAL" "$MERGED" "$REMOTE"
 		;;
-	gvimdiff3|vimdiff3)
+	*vimdiff3)
 		if $base_present
 		then
 			"$merge_tool_path" -f -d -c 'hid | hid | hid' \
@@ -34,10 +34,13 @@ merge_cmd () {
 
 translate_merge_tool_path() {
 	case "$1" in
-	gvimdiff|gvimdiff2|gvimdiff3)
+	nvimdiff*)
+		echo nvim
+		;;
+	gvimdiff*)
 		echo gvim
 		;;
-	vimdiff|vimdiff2|vimdiff3)
+	vimdiff*)
 		echo vim
 		;;
 	esac
@@ -48,7 +51,7 @@ exit_code_trustable () {
 }
 
 list_tool_variants () {
-	for prefix in '' g; do
+	for prefix in '' g n; do
 		for suffix in '' 2 3; do
 			echo "${prefix}vimdiff${suffix}"
 		done
-- 
2.27.0