archive: add --add-file

Allow users to append non-tracked files.  This simplifies the generation
of source packages with a few extra files, e.g. containing version
information.  They get the same access times and user information as
tracked files.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2 files changed, 57 insertions, 0 deletions

diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh
index 37655a237c..3ebb0d3b65 100755
--- a/t/t5000-tar-tree.sh
+++ b/t/t5000-tar-tree.sh
@@ -94,6 +94,16 @@ check_tar() {
 	'
 }
 
+check_added() {
+	dir=$1
+	path_in_fs=$2
+	path_in_archive=$3
+
+	test_expect_success " validate extra file $path_in_archive" '
+		diff -r $path_in_fs $dir/$path_in_archive
+	'
+}
+
 test_expect_success 'setup' '
 	test_oid_cache <<-EOF
 	obj sha1:19f9c8273ec45a8938e6999cb59b3ff66739902a
@@ -164,6 +174,25 @@ test_expect_success 'git-archive --prefix=olde-' '
 
 check_tar with_olde-prefix olde-
 
+test_expect_success 'git archive --add-file' '
+	echo untracked >untracked &&
+	git archive --add-file=untracked HEAD >with_untracked.tar
+'
+
+check_tar with_untracked
+check_added with_untracked untracked untracked
+
+test_expect_success 'git archive --add-file twice' '
+	echo untracked >untracked &&
+	git archive --prefix=one/ --add-file=untracked \
+		--prefix=two/ --add-file=untracked \
+		--prefix= HEAD >with_untracked2.tar
+'
+
+check_tar with_untracked2
+check_added with_untracked2 untracked one/untracked
+check_added with_untracked2 untracked two/untracked
+
 test_expect_success 'git archive on large files' '
     test_config core.bigfilethreshold 1 &&
     git archive HEAD >b3.tar &&
diff --git a/t/t5003-archive-zip.sh b/t/t5003-archive-zip.sh
index 3b76d2eb65..1e6d18b140 100755
--- a/t/t5003-archive-zip.sh
+++ b/t/t5003-archive-zip.sh
@@ -72,6 +72,16 @@ check_zip() {
 	"
 }
 
+check_added() {
+	dir=$1
+	path_in_fs=$2
+	path_in_archive=$3
+
+	test_expect_success UNZIP " validate extra file $path_in_archive" '
+		diff -r $path_in_fs $dir/$path_in_archive
+	'
+}
+
 test_expect_success \
     'populate workdir' \
     'mkdir a &&
@@ -188,4 +198,22 @@ test_expect_success 'git archive --format=zip on large files' '
 
 check_zip large-compressed
 
+test_expect_success 'git archive --format=zip --add-file' '
+	echo untracked >untracked &&
+	git archive --format=zip --add-file=untracked HEAD >with_untracked.zip
+'
+
+check_zip with_untracked
+check_added with_untracked untracked untracked
+
+test_expect_success 'git archive --format=zip --add-file twice' '
+	echo untracked >untracked &&
+	git archive --format=zip --prefix=one/ --add-file=untracked \
+		--prefix=two/ --add-file=untracked \
+		--prefix= HEAD >with_untracked2.zip
+'
+check_zip with_untracked2
+check_added with_untracked2 untracked one/untracked
+check_added with_untracked2 untracked two/untracked
+
 test_done