From b4c4591d2651892124a1a40d169b960da1f5e966 Mon Sep 17 00:00:00 2001
From: Andrew Chin <achin@eminence32.net>
Date: Mon, 2 Nov 2015 13:38:31 -0500
Subject: [PATCH] Add a --pin option to `ipfs add` (allowing --pin=false)

Implements a solution for #1908

This PR replaces #1909

License: MIT
Signed-off-by: Andrew Chin <achin@eminence32.net>
---
 core/commands/add.go                |  8 ++++++++
 core/coreunix/add.go                |  3 +++
 test/sharness/t0081-repo-pinning.sh | 31 +++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/core/commands/add.go b/core/commands/add.go
index 895e12c6651..4eccc6aaebd 100644
--- a/core/commands/add.go
+++ b/core/commands/add.go
@@ -24,6 +24,7 @@ const (
 	hiddenOptionName   = "hidden"
 	onlyHashOptionName = "only-hash"
 	chunkerOptionName  = "chunker"
+	pinOptionName      = "pin"
 )
 
 var AddCmd = &cmds.Command{
@@ -49,6 +50,7 @@ remains to be implemented.
 		cmds.BoolOption(wrapOptionName, "w", "Wrap files with a directory object"),
 		cmds.BoolOption(hiddenOptionName, "H", "Include files that are hidden"),
 		cmds.StringOption(chunkerOptionName, "s", "chunking algorithm to use"),
+		cmds.BoolOption(pinOptionName, "Pin this object when adding.  Default true"),
 	},
 	PreRun: func(req cmds.Request) error {
 		if quiet, _, _ := req.Option(quietOptionName).Bool(); quiet {
@@ -94,6 +96,11 @@ remains to be implemented.
 		hash, _, _ := req.Option(onlyHashOptionName).Bool()
 		hidden, _, _ := req.Option(hiddenOptionName).Bool()
 		chunker, _, _ := req.Option(chunkerOptionName).String()
+		dopin, pin_found, _ := req.Option(pinOptionName).Bool()
+
+		if !pin_found { // default
+			dopin = true
+		}
 
 		if hash {
 			nilnode, err := core.NewNode(n.Context(), &core.BuildCfg{
@@ -117,6 +124,7 @@ remains to be implemented.
 		fileAdder.Hidden = hidden
 		fileAdder.Trickle = trickle
 		fileAdder.Wrap = wrap
+		fileAdder.Pin = dopin
 
 		// addAllFiles loops over a convenience slice file to
 		// add each file individually. e.g. 'ipfs add a b c'
diff --git a/core/coreunix/add.go b/core/coreunix/add.go
index dfc7b522f48..7f817f90bce 100644
--- a/core/coreunix/add.go
+++ b/core/coreunix/add.go
@@ -140,6 +140,9 @@ func (params *Adder) PinRoot() error {
 	if err != nil {
 		return err
 	}
+	if !params.Pin {
+		return nil
+	}
 
 	rnk, err := root.Key()
 	if err != nil {
diff --git a/test/sharness/t0081-repo-pinning.sh b/test/sharness/t0081-repo-pinning.sh
index 61561c81f4e..f57a8630392 100755
--- a/test/sharness/t0081-repo-pinning.sh
+++ b/test/sharness/t0081-repo-pinning.sh
@@ -71,6 +71,9 @@ HASH_DIR4="QmW98gV71Ns4bX7QbgWAqLiGF3SDC1JpveZSgBh4ExaSAd"
 HASH_DIR3="QmRsCaNBMkweZ9vHT5PJRd2TT9rtNKEKyuognCEVxZxF1H"
 HASH_DIR2="QmTUTQAgeVfughDSFukMZLbfGvetDJY7Ef5cDXkKK4abKC"
 HASH_DIR1="QmNyZVFbgvmzguS2jVMRb8PQMNcCMJrn9E3doDhBbcPNTY"
+HASH_NOPINDIR="QmWHjrRJYSfYKz5V9dWWSKu47GdY7NewyRhyTiroXgWcDU"
+HASH_NOPIN_FILE1="QmUJT3GQi1dxQyTZbkaWeer9GkCn1d3W3HHRLSDr6PTcpx"
+HASH_NOPIN_FILE2="QmarR7m9JT7qHEGhuFNZUEMAnoZ8E9QAfsthHCQ9Y2GfoT"
 
 DIR1="dir1"
 DIR2="dir1/dir2"
@@ -248,6 +251,34 @@ test_expect_success "recursive pin fails without objects" '
 	test_fsh cat err_expected8
 '
 
+test_expect_success "test add nopin file" '
+	echo "test nopin data" > test_nopin_data &&
+	NOPINHASH=$(ipfs add -q --pin=false test_nopin_data) &&
+	test_pin_flag "$NOPINHASH" direct false &&
+	test_pin_flag "$NOPINHASH" indirect false &&
+	test_pin_flag "$NOPINHASH" recursive false
+'
+
+
+test_expect_success "test add nopin dir" '
+	mkdir nopin_dir1 &&
+	echo "some nopin text 1" >nopin_dir1/file1 &&
+	echo "some nopin text 2" >nopin_dir1/file2 &&
+	ipfs add -q -r --pin=false nopin_dir1 | tail -n1 >actual1 &&
+	echo "$HASH_NOPINDIR" >expected1 &&
+	test_cmp actual1 expected1 &&
+	test_pin_flag "$HASH_NOPINDIR" direct false &&
+	test_pin_flag "$HASH_NOPINDIR" indirect false &&
+	test_pin_flag "$HASH_NOPINDIR" recursive false &&
+	test_pin_flag "$HASH_NOPIN_FILE1" direct false &&
+	test_pin_flag "$HASH_NOPIN_FILE1" indirect false &&
+	test_pin_flag "$HASH_NOPIN_FILE1" recursive false &&
+	test_pin_flag "$HASH_NOPIN_FILE2" direct false &&
+	test_pin_flag "$HASH_NOPIN_FILE2" indirect false &&
+	test_pin_flag "$HASH_NOPIN_FILE2" recursive false
+
+'
+
 # test_kill_ipfs_daemon
 
 test_done