From e7086db0959d70e51cb04d8821d6b8b13ebf8878 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Sat, 25 Feb 2017 19:30:37 +0100
Subject: Update the way git repositories are handled

---
 install    |  8 ++++----
 utils/inst | 19 ++++++++++++++-----
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/install b/install
index 0768586..ceee9be 100755
--- a/install
+++ b/install
@@ -42,15 +42,15 @@ fi
 read -p "Install VIM scripts? (Y/n) "
 YCM_PATH=~/.vim/bundle/YouCompleteMe
 if [[ $REPLY =~ ^[Yy]?$ ]]; then
-	YCM_REV="$(cd $YCM_PATH && git --work-tree=. rev-parse HEAD)"
+	# See if we have anything different from what we have in repository
+	YCM_REV="$(cd $YCM_PATH && git --work-tree=. diff --exit-code -s && echo y)"
 	inst vimrc ~/.vimrc
 	inst vim/ ~/.vim
 	inst local/bin/vim-project-gen ~/.local/bin/vim-project-gen
 	mkdir -p ~/.cache/vim # directory for *.swp files
 	mkdir -p ~/.cache/vim-undo # directory for undo files
-	# Check if YCM was updated and if so recompile
-	if [ "$YCM_REV" != "$(cd $YCM_PATH && git --work-tree=. rev-parse HEAD)" ]; then (
-		cd ~/.vim/bundle/YouCompleteMe
+	if [ "$YCM_REV" != "y" ]; then (
+		cd $YCM_PATH
 		./install.py --clang-completer --system-libclang --racer-completer
 	); else
 		echo "YouCompleteMe is not required to be recompiled"
diff --git a/utils/inst b/utils/inst
index c3c26e2..cb1f658 100644
--- a/utils/inst
+++ b/utils/inst
@@ -51,12 +51,21 @@ checkdiff() {
 			fi
 		done
 		# Now checkout git repositories
-		for g in `find "$1" -name .git -type f -printf '%h '`; do
+		for g in `find "$1" -type d -exec test -e '{}'/.git \; -print -prune`; do
 			G="${g#$1}"
-			COMMIT=$( cd "$1/$G" && git rev-parse HEAD )
-			echo "Checkout of git repository: $2/$G"
-			# TODO this doesn't  seems to work
-			( cd "$2/$G" && git --work-tree=. checkout -f "$COMMIT" )
+			PREV="$(pwd)"
+			cd "$2/$G"
+			# Check if we have any change at all
+			if git --work-tree=. diff --exit-code -s; then
+				echo "No difference detected in git: $2/$G"
+			else
+				echo "Checkout of git repository: $2/$G"
+				# Checkout all files to HEAD
+				git --work-tree=. checkout -f HEAD
+				# Update all submodules
+				git --work-tree=. submodule update
+			fi
+			cd "$PREV"
 		done
 	else
 		dodiff "$1" "$2"
-- 
cgit v1.2.3