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60858f343a
The automatic tree-matching in "git merge -s subtree" was broken 5 years ago and nobody has noticed since then, which is now fixed. * jk/merge-subtree-heuristics: score_trees(): fix iteration over trees with missing entries
152 lines
3.5 KiB
Bash
Executable file
152 lines
3.5 KiB
Bash
Executable file
#!/bin/sh
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test_description='subtree merge strategy'
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. ./test-lib.sh
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test_expect_success setup '
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s="1 2 3 4 5 6 7 8" &&
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for i in $s; do echo $i; done >hello &&
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git add hello &&
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git commit -m initial &&
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git checkout -b side &&
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echo >>hello world &&
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git add hello &&
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git commit -m second &&
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git checkout master &&
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for i in mundo $s; do echo $i; done >hello &&
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git add hello &&
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git commit -m master
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'
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test_expect_success 'subtree available and works like recursive' '
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git merge -s subtree side &&
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for i in mundo $s world; do echo $i; done >expect &&
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test_cmp expect hello
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'
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test_expect_success 'setup branch sub' '
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git checkout --orphan sub &&
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git rm -rf . &&
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test_commit foo
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'
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test_expect_success 'setup branch main' '
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git checkout -b main master &&
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git merge -s ours --no-commit --allow-unrelated-histories sub &&
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git read-tree --prefix=dir/ -u sub &&
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git commit -m "initial merge of sub into main" &&
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test_path_is_file dir/foo.t &&
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test_path_is_file hello
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'
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test_expect_success 'update branch sub' '
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git checkout sub &&
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test_commit bar
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'
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test_expect_success 'update branch main' '
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git checkout main &&
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git merge -s subtree sub -m "second merge of sub into main" &&
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test_path_is_file dir/bar.t &&
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test_path_is_file dir/foo.t &&
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test_path_is_file hello
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'
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test_expect_success 'setup' '
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mkdir git-gui &&
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cd git-gui &&
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git init &&
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echo git-gui > git-gui.sh &&
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o1=$(git hash-object git-gui.sh) &&
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git add git-gui.sh &&
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git commit -m "initial git-gui" &&
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cd .. &&
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mkdir git &&
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cd git &&
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git init &&
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echo git >git.c &&
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o2=$(git hash-object git.c) &&
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git add git.c &&
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git commit -m "initial git"
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'
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test_expect_success 'initial merge' '
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git remote add -f gui ../git-gui &&
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git merge -s ours --no-commit --allow-unrelated-histories gui/master &&
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git read-tree --prefix=git-gui/ -u gui/master &&
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git commit -m "Merge git-gui as our subdirectory" &&
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git checkout -b work &&
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 git-gui/git-gui.sh" &&
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echo "100644 $o2 0 git.c"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge update' '
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cd ../git-gui &&
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echo git-gui2 > git-gui.sh &&
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o3=$(git hash-object git-gui.sh) &&
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git add git-gui.sh &&
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git checkout -b master2 &&
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git commit -m "update git-gui" &&
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cd ../git &&
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git pull -s subtree gui master2 &&
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git ls-files -s >actual &&
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(
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echo "100644 $o3 0 git-gui/git-gui.sh" &&
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echo "100644 $o2 0 git.c"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'initial ambiguous subtree' '
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cd ../git &&
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git reset --hard master &&
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git checkout -b master2 &&
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git merge -s ours --no-commit gui/master &&
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git read-tree --prefix=git-gui2/ -u gui/master &&
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git commit -m "Merge git-gui2 as our subdirectory" &&
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git checkout -b work2 &&
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 git-gui/git-gui.sh" &&
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echo "100644 $o1 0 git-gui2/git-gui.sh" &&
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echo "100644 $o2 0 git.c"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge using explicit' '
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cd ../git &&
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git reset --hard master2 &&
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git pull -Xsubtree=git-gui gui master2 &&
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git ls-files -s >actual &&
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(
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echo "100644 $o3 0 git-gui/git-gui.sh" &&
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echo "100644 $o1 0 git-gui2/git-gui.sh" &&
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echo "100644 $o2 0 git.c"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge2 using explicit' '
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cd ../git &&
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git reset --hard master2 &&
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git pull -Xsubtree=git-gui2 gui master2 &&
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 git-gui/git-gui.sh" &&
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echo "100644 $o3 0 git-gui2/git-gui.sh" &&
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echo "100644 $o2 0 git.c"
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) >expected &&
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test_cmp expected actual
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'
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test_done
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