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-rwxr-xr-xt/t6409-merge-subtree.sh152
1 files changed, 152 insertions, 0 deletions
diff --git a/t/t6409-merge-subtree.sh b/t/t6409-merge-subtree.sh
new file mode 100755
index 0000000000..793f0c8bf3
--- /dev/null
+++ b/t/t6409-merge-subtree.sh
@@ -0,0 +1,152 @@
+#!/bin/sh
+
+test_description='subtree merge strategy'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+ s="1 2 3 4 5 6 7 8" &&
+ for i in $s; do echo $i; done >hello &&
+ git add hello &&
+ git commit -m initial &&
+ git checkout -b side &&
+ echo >>hello world &&
+ git add hello &&
+ git commit -m second &&
+ git checkout master &&
+ for i in mundo $s; do echo $i; done >hello &&
+ git add hello &&
+ git commit -m master
+
+'
+
+test_expect_success 'subtree available and works like recursive' '
+
+ git merge -s subtree side &&
+ for i in mundo $s world; do echo $i; done >expect &&
+ test_cmp expect hello
+
+'
+
+test_expect_success 'setup branch sub' '
+ git checkout --orphan sub &&
+ git rm -rf . &&
+ test_commit foo
+'
+
+test_expect_success 'setup branch main' '
+ git checkout -b main master &&
+ git merge -s ours --no-commit --allow-unrelated-histories sub &&
+ git read-tree --prefix=dir/ -u sub &&
+ git commit -m "initial merge of sub into main" &&
+ test_path_is_file dir/foo.t &&
+ test_path_is_file hello
+'
+
+test_expect_success 'update branch sub' '
+ git checkout sub &&
+ test_commit bar
+'
+
+test_expect_success 'update branch main' '
+ git checkout main &&
+ git merge -s subtree sub -m "second merge of sub into main" &&
+ test_path_is_file dir/bar.t &&
+ test_path_is_file dir/foo.t &&
+ test_path_is_file hello
+'
+
+test_expect_success 'setup' '
+ mkdir git-gui &&
+ cd git-gui &&
+ git init &&
+ echo git-gui > git-gui.sh &&
+ o1=$(git hash-object git-gui.sh) &&
+ git add git-gui.sh &&
+ git commit -m "initial git-gui" &&
+ cd .. &&
+ mkdir git &&
+ cd git &&
+ git init &&
+ echo git >git.c &&
+ o2=$(git hash-object git.c) &&
+ git add git.c &&
+ git commit -m "initial git"
+'
+
+test_expect_success 'initial merge' '
+ git remote add -f gui ../git-gui &&
+ git merge -s ours --no-commit --allow-unrelated-histories gui/master &&
+ git read-tree --prefix=git-gui/ -u gui/master &&
+ git commit -m "Merge git-gui as our subdirectory" &&
+ git checkout -b work &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 git-gui/git-gui.sh" &&
+ echo "100644 $o2 0 git.c"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'merge update' '
+ cd ../git-gui &&
+ echo git-gui2 > git-gui.sh &&
+ o3=$(git hash-object git-gui.sh) &&
+ git add git-gui.sh &&
+ git checkout -b master2 &&
+ git commit -m "update git-gui" &&
+ cd ../git &&
+ git pull -s subtree gui master2 &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o3 0 git-gui/git-gui.sh" &&
+ echo "100644 $o2 0 git.c"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'initial ambiguous subtree' '
+ cd ../git &&
+ git reset --hard master &&
+ git checkout -b master2 &&
+ git merge -s ours --no-commit gui/master &&
+ git read-tree --prefix=git-gui2/ -u gui/master &&
+ git commit -m "Merge git-gui2 as our subdirectory" &&
+ git checkout -b work2 &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 git-gui/git-gui.sh" &&
+ echo "100644 $o1 0 git-gui2/git-gui.sh" &&
+ echo "100644 $o2 0 git.c"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'merge using explicit' '
+ cd ../git &&
+ git reset --hard master2 &&
+ git pull -Xsubtree=git-gui gui master2 &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o3 0 git-gui/git-gui.sh" &&
+ echo "100644 $o1 0 git-gui2/git-gui.sh" &&
+ echo "100644 $o2 0 git.c"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'merge2 using explicit' '
+ cd ../git &&
+ git reset --hard master2 &&
+ git pull -Xsubtree=git-gui2 gui master2 &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 git-gui/git-gui.sh" &&
+ echo "100644 $o3 0 git-gui2/git-gui.sh" &&
+ echo "100644 $o2 0 git.c"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_done