new file mode 100755
@@ -0,0 +1,151 @@
+#!/bin/sh
+
+test_description='test the `scalar clone` subcommand'
+
+. ./test-lib.sh
+
+GIT_TEST_MAINT_SCHEDULER="crontab:test-tool crontab cron.txt,launchctl:true,schtasks:true"
+export GIT_TEST_MAINT_SCHEDULER
+
+test_expect_success 'set up repository to clone' '
+ rm -rf .git &&
+ git init to-clone &&
+ (
+ cd to-clone &&
+ git branch -m base &&
+
+ test_commit first &&
+ test_commit second &&
+ test_commit third &&
+
+ git switch -c parallel first &&
+ mkdir -p 1/2 &&
+ test_commit 1/2/3 &&
+
+ git switch base &&
+
+ # By default, permit
+ git config uploadpack.allowfilter true &&
+ git config uploadpack.allowanysha1inwant true
+ )
+'
+
+cleanup_clone () {
+ rm -rf "$1"
+}
+
+test_expect_success 'creates content in enlistment root' '
+ enlistment=cloned &&
+
+ scalar clone "file://$(pwd)/to-clone" $enlistment &&
+ ls -A $enlistment >enlistment-root &&
+ test_line_count = 1 enlistment-root &&
+ test_path_is_dir $enlistment/src &&
+ test_path_is_dir $enlistment/src/.git &&
+
+ cleanup_clone $enlistment
+'
+
+test_expect_success 'with spaces' '
+ enlistment="cloned with space" &&
+
+ scalar clone "file://$(pwd)/to-clone" "$enlistment" &&
+ test_path_is_dir "$enlistment" &&
+ test_path_is_dir "$enlistment/src" &&
+ test_path_is_dir "$enlistment/src/.git" &&
+
+ cleanup_clone "$enlistment"
+'
+
+test_expect_success 'partial clone if supported by server' '
+ enlistment=partial-clone &&
+
+ scalar clone "file://$(pwd)/to-clone" $enlistment &&
+
+ (
+ cd $enlistment/src &&
+
+ # Two promisor packs: one for refs, the other for blobs
+ ls .git/objects/pack/pack-*.promisor >promisorlist &&
+ test_line_count = 2 promisorlist
+ ) &&
+
+ cleanup_clone $enlistment
+'
+
+test_expect_success 'fall back on full clone if partial unsupported' '
+ enlistment=no-partial-support &&
+
+ test_config -C to-clone uploadpack.allowfilter false &&
+ test_config -C to-clone uploadpack.allowanysha1inwant false &&
+
+ scalar clone "file://$(pwd)/to-clone" $enlistment 2>err &&
+ grep "filtering not recognized by server, ignoring" err &&
+
+ (
+ cd $enlistment/src &&
+
+ # Still get a refs promisor file, but none for blobs
+ ls .git/objects/pack/pack-*.promisor >promisorlist &&
+ test_line_count = 1 promisorlist
+ ) &&
+
+ cleanup_clone $enlistment
+'
+
+test_expect_success 'initializes sparse-checkout by default' '
+ enlistment=sparse &&
+
+ scalar clone "file://$(pwd)/to-clone" $enlistment &&
+ (
+ cd $enlistment/src &&
+ test_cmp_config true core.sparseCheckout &&
+ test_cmp_config true core.sparseCheckoutCone
+ ) &&
+
+ cleanup_clone $enlistment
+'
+
+test_expect_success '--full-clone does not create sparse-checkout' '
+ enlistment=full-clone &&
+
+ scalar clone --full-clone "file://$(pwd)/to-clone" $enlistment &&
+ (
+ cd $enlistment/src &&
+ test_cmp_config "" --default "" core.sparseCheckout &&
+ test_cmp_config "" --default "" core.sparseCheckoutCone
+ ) &&
+
+ cleanup_clone $enlistment
+'
+
+test_expect_success '--single-branch clones HEAD only' '
+ enlistment=single-branch &&
+
+ scalar clone --single-branch "file://$(pwd)/to-clone" $enlistment &&
+ (
+ cd $enlistment/src &&
+ git for-each-ref refs/remotes/origin >out &&
+ test_line_count = 1 out &&
+ grep "refs/remotes/origin/base" out
+ ) &&
+
+ cleanup_clone $enlistment
+'
+
+test_expect_success '--no-single-branch clones all branches' '
+ enlistment=no-single-branch &&
+
+ scalar clone --no-single-branch "file://$(pwd)/to-clone" $enlistment &&
+ (
+ cd $enlistment/src &&
+ git for-each-ref refs/remotes/origin >out &&
+ test_line_count = 2 out &&
+ grep "refs/remotes/origin/base" out &&
+ grep "refs/remotes/origin/parallel" out
+ ) &&
+
+ cleanup_clone $enlistment
+'
+
+test_done