From e580bd60607f2a4420eacd681ec029c8b3838953 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <karel.koci@nic.cz>
Date: Fri, 9 Sep 2016 11:09:38 +0200
Subject: install script support git repositories

---
 install | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'install')

diff --git a/install b/install
index a4a7b73..b71a5e1 100755
--- a/install
+++ b/install
@@ -34,19 +34,49 @@ diff() {
 			echo ERROR: Directory without trailing slash detected: $1
 			exit 1
 		fi
+		# Got trough all files ignoring git repositories
 		for f in `find "$1" \( -type d -exec test -e '{}'/.git \; \) -prune -o -type f -print`; do
 			F="${f#$1}"
-			echo $f
 			dodiff "$1/$F" "$2/$F"
 		done
+		# Check if we have all directories ignoring those in git repositories
+		for d in `find "$1" -type d -print -exec test -e '{}'/.git \; -prune`; do
+			D="${d#$1}"
+			if [ ! -d "$2/$D" ]; then
+				echo "Directory not installed: $1/$D => $2/$D"
+				read -p "Install? (Y/n) "
+				if [[ $REPLY =~ ^[Yy]?$ ]]; then
+					doinst "$1/$D/" "$2/$D"
+				fi
+			fi
+		done
+		# Now checkout git repositories
+		for g in `find "$1" -name .git -type f -printf '%h '`; do
+			G="${g#$1}"
+			COMMIT=$( cd "$1/$G" && git rev-parse HEAD )
+			echo "Checkout of git repository: $2/$G"
+			( cd "$2/$G" && git --work-tree=. checkout -f "$COMMIT" )
+		done
 	else
 		dodiff "$1" "$2"
 	fi
 }
 
+# Managing two git trees with master has small inconvenience that git allows only
+# single branch checkout in all work trees, so as it sets now git will execute all
+# commands not on deployed tree but on tree in this repository, so we need specify
+# work tree on command line every time we want target deployed work tree.
 doinst() {
 	echo rsync -rlpt $1 $2
 	rsync -rlpt $1 $2
+	# Now edit all .git files in target directory
+	for g in `find "$2" -name '.git' -type f`; do
+		if ! grep -q "gitdir: " "$g"; then
+			continue # Probably not a git repository or who knows.
+		fi
+		echo "Pointing git repository $g to this repository"
+		echo gitdir: $PWD/.git`sed "s/^gitdir: [./]*git//" "$g"` > "$g"
+	done
 }
 inst() {
 	if [ -e "$2" ]; then
-- 
cgit v1.2.3