1 files changed, 147 insertions, 0 deletions
diff --git a/git-remote-testgit.sh b/git-remote-testgit.sh
new file mode 100755
index 0000000..752c763
--- /dev/null
+++ b/git-remote-testgit.sh
@@ -0,0 +1,147 @@
+#!/bin/sh
+# Copyright (c) 2012 Felipe Contreras
+
+# The first argument can be a url when the fetch/push command was a url
+# instead of a configured remote. In this case, use a generic alias.
+if test "$1" = "testgit::$2"; then
+	alias=_
+else
+	alias=$1
+fi
+url=$2
+
+dir="$GIT_DIR/testgit/$alias"
+prefix="refs/testgit/$alias"
+
+default_refspec="refs/heads/*:${prefix}/heads/*"
+
+refspec="${GIT_REMOTE_TESTGIT_REFSPEC-$default_refspec}"
+
+test -z "$refspec" && prefix="refs"
+
+GIT_DIR="$url/.git"
+export GIT_DIR
+
+force=
+
+mkdir -p "$dir"
+
+if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
+then
+	gitmarks="$dir/git.marks"
+	testgitmarks="$dir/testgit.marks"
+	test -e "$gitmarks" || >"$gitmarks"
+	test -e "$testgitmarks" || >"$testgitmarks"
+fi
+
+while read line
+do
+	case $line in
+	capabilities)
+		echo 'import'
+		echo 'export'
+		test -n "$refspec" && echo "refspec $refspec"
+		if test -n "$gitmarks"
+		then
+			echo "*import-marks $gitmarks"
+			echo "*export-marks $gitmarks"
+		fi
+		test -n "$GIT_REMOTE_TESTGIT_SIGNED_TAGS" && echo "signed-tags"
+		test -n "$GIT_REMOTE_TESTGIT_NO_PRIVATE_UPDATE" && echo "no-private-update"
+		echo 'option'
+		echo
+		;;
+	list)
+		git for-each-ref --format='? %(refname)' 'refs/heads/'
+		head=$(git symbolic-ref HEAD)
+		echo "@$head HEAD"
+		echo
+		;;
+	import*)
+		# read all import lines
+		while true
+		do
+			ref="${line#* }"
+			refs="$refs $ref"
+			read line
+			test "${line%% *}" != "import" && break
+		done
+
+		if test -n "$gitmarks"
+		then
+			echo "feature import-marks=$gitmarks"
+			echo "feature export-marks=$gitmarks"
+		fi
+
+		if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
+		then
+			echo "feature done"
+			exit 1
+		fi
+
+		echo "feature done"
+		git fast-export \
+			${testgitmarks:+"--import-marks=$testgitmarks"} \
+			${testgitmarks:+"--export-marks=$testgitmarks"} \
+			$refs |
+		sed -e "s#refs/heads/#${prefix}/heads/#g"
+		echo "done"
+		;;
+	export)
+		if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
+		then
+			# consume input so fast-export doesn't get SIGPIPE;
+			# git would also notice that case, but we want
+			# to make sure we are exercising the later
+			# error checks
+			while read line; do
+				test "done" = "$line" && break
+			done
+			exit 1
+		fi
+
+		before=$(git for-each-ref --format=' %(refname) %(objectname) ')
+
+		git fast-import \
+			${force:+--force} \
+			${testgitmarks:+"--import-marks=$testgitmarks"} \
+			${testgitmarks:+"--export-marks=$testgitmarks"} \
+			--quiet
+
+		# figure out which refs were updated
+		git for-each-ref --format='%(refname) %(objectname)' |
+		while read ref a
+		do
+			case "$before" in
+			*" $ref $a "*)
+				continue ;;	# unchanged
+			esac
+			if test -z "$GIT_REMOTE_TESTGIT_PUSH_ERROR"
+			then
+				echo "ok $ref"
+			else
+				echo "error $ref $GIT_REMOTE_TESTGIT_PUSH_ERROR"
+			fi
+		done
+
+		echo
+		;;
+	option\ *)
+		read cmd opt val <<-EOF
+		$line
+		EOF
+		case $opt in
+		force)
+			test $val = "true" && force="true" || force=
+			echo "ok"
+			;;
+		*)
+			echo "unsupported"
+			;;
+		esac
+		;;
+	'')
+		exit
+		;;
+	esac
+done