#!/bin/sh

global test_description := ''push from/to a shallow clone''

source ./test-lib.sh

proc commit {
	echo $1 >tracked &&
	git add tracked &&
	git commit -m $1
}

test_expect_success 'setup' '
	git config --global transfer.fsckObjects true &&
	commit 1 &&
	commit 2 &&
	commit 3 &&
	commit 4 &&
	git clone . full &&
	(
	git init full-abc &&
	cd full-abc &&
	commit a &&
	commit b &&
	commit c
	) &&
	git clone --no-local --depth=2 .git shallow &&
	git --git-dir=shallow/.git log --format=%s >actual &&
	cat <<EOF >expect &&
4
3
EOF
	test_cmp expect actual &&
	git clone --no-local --depth=2 full-abc/.git shallow2 &&
	git --git-dir=shallow2/.git log --format=%s >actual &&
	cat <<EOF >expect &&
c
b
EOF
	test_cmp expect actual
'

test_expect_success 'push from shallow clone' '
	(
	cd shallow &&
	commit 5 &&
	git push ../.git +master:refs/remotes/shallow/master
	) &&
	git log --format=%s shallow/master >actual &&
	git fsck &&
	cat <<EOF >expect &&
5
4
3
2
1
EOF
	test_cmp expect actual
'

test_expect_success 'push from shallow clone, with grafted roots' '
	(
	cd shallow2 &&
	test_must_fail git push ../.git +master:refs/remotes/shallow2/master 2>err &&
	grep "shallow2/master.*shallow update not allowed" err
	) &&
	test_must_fail git rev-parse shallow2/master &&
	git fsck
'

test_expect_success 'add new shallow root with receive.updateshallow on' '
	test_config receive.shallowupdate true &&
	(
	cd shallow2 &&
	git push ../.git +master:refs/remotes/shallow2/master
	) &&
	git log --format=%s shallow2/master >actual &&
	git fsck &&
	cat <<EOF >expect &&
c
b
EOF
	test_cmp expect actual
'

test_expect_success 'push from shallow to shallow' '
	(
	cd shallow &&
	git --git-dir=../shallow2/.git config receive.shallowupdate true &&
	git push ../shallow2/.git +master:refs/remotes/shallow/master &&
	git --git-dir=../shallow2/.git config receive.shallowupdate false
	) &&
	(
	cd shallow2 &&
	git log --format=%s shallow/master >actual &&
	git fsck &&
	cat <<EOF >expect &&
5
4
3
EOF
	test_cmp expect actual
	)
'

test_expect_success 'push from full to shallow' '
	! git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) &&
	commit 1 &&
	git push shallow2/.git +master:refs/remotes/top/master &&
	(
	cd shallow2 &&
	git log --format=%s top/master >actual &&
	git fsck &&
	cat <<EOF >expect &&
1
4
3
EOF
	test_cmp expect actual &&
	git cat-file blob $(echo 1|git hash-object --stdin) >/dev/null
	)
'
test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"push from/to a shallow clone">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (FuncDef
      name: commit
      body: 
        (BraceGroup
          children: [
            (AndOr
              children: [
                (SimpleCommand
                  words: [{(echo)} {(DQ ($ VSub_Number "$1"))}]
                  redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(tracked)} spids:[28])]
                )
                (AndOr
                  children: [
                    (C {(git)} {(add)} {(tracked)})
                    (C {(git)} {(commit)} {(-m)} {(DQ ($ VSub_Number "$1"))})
                  ]
                  op_id: Op_DAmp
                )
              ]
              op_id: Op_DAmp
            )
          ]
          spids: [19]
        )
      spids: [15 18]
    )
    (C {(test_expect_success)} {(SQ <setup>)} 
      {
        (SQ <"\n"> <"\tgit config --global transfer.fsckObjects true &&\n"> <"\tcommit 1 &&\n"> 
          <"\tcommit 2 &&\n"> <"\tcommit 3 &&\n"> <"\tcommit 4 &&\n"> <"\tgit clone . full &&\n"> <"\t(\n"> 
          <"\tgit init full-abc &&\n"> <"\tcd full-abc &&\n"> <"\tcommit a &&\n"> <"\tcommit b &&\n"> <"\tcommit c\n"> <"\t) &&\n"> 
          <"\tgit clone --no-local --depth=2 .git shallow &&\n"> <"\tgit --git-dir=shallow/.git log --format=%s >actual &&\n"> <"\tcat <<EOF >expect &&\n"> <"4\n"> 
          <"3\n"> <"EOF\n"> <"\ttest_cmp expect actual &&\n"> 
          <"\tgit clone --no-local --depth=2 full-abc/.git shallow2 &&\n"> <"\tgit --git-dir=shallow2/.git log --format=%s >actual &&\n"> <"\tcat <<EOF >expect &&\n"> <"c\n"> 
          <"b\n"> <"EOF\n"> <"\ttest_cmp expect actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"push from shallow clone">)} 
      {
        (SQ <"\n"> <"\t(\n"> <"\tcd shallow &&\n"> <"\tcommit 5 &&\n"> 
          <"\tgit push ../.git +master:refs/remotes/shallow/master\n"> <"\t) &&\n"> <"\tgit log --format=%s shallow/master >actual &&\n"> <"\tgit fsck &&\n"> 
          <"\tcat <<EOF >expect &&\n"> <"5\n"> <"4\n"> <"3\n"> <"2\n"> <"1\n"> <"EOF\n"> <"\ttest_cmp expect actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"push from shallow clone, with grafted roots">)} 
      {
        (SQ <"\n"> <"\t(\n"> <"\tcd shallow2 &&\n"> 
          <"\ttest_must_fail git push ../.git +master:refs/remotes/shallow2/master 2>err &&\n"> <"\tgrep \"shallow2/master.*shallow update not allowed\" err\n"> <"\t) &&\n"> 
          <"\ttest_must_fail git rev-parse shallow2/master &&\n"> <"\tgit fsck\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"add new shallow root with receive.updateshallow on">)} 
      {
        (SQ <"\n"> <"\ttest_config receive.shallowupdate true &&\n"> <"\t(\n"> <"\tcd shallow2 &&\n"> 
          <"\tgit push ../.git +master:refs/remotes/shallow2/master\n"> <"\t) &&\n"> <"\tgit log --format=%s shallow2/master >actual &&\n"> <"\tgit fsck &&\n"> 
          <"\tcat <<EOF >expect &&\n"> <"c\n"> <"b\n"> <"EOF\n"> <"\ttest_cmp expect actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"push from shallow to shallow">)} 
      {
        (SQ <"\n"> <"\t(\n"> <"\tcd shallow &&\n"> 
          <"\tgit --git-dir=../shallow2/.git config receive.shallowupdate true &&\n"> <"\tgit push ../shallow2/.git +master:refs/remotes/shallow/master &&\n"> 
          <"\tgit --git-dir=../shallow2/.git config receive.shallowupdate false\n"> <"\t) &&\n"> <"\t(\n"> <"\tcd shallow2 &&\n"> <"\tgit log --format=%s shallow/master >actual &&\n"> 
          <"\tgit fsck &&\n"> <"\tcat <<EOF >expect &&\n"> <"5\n"> <"4\n"> <"3\n"> <"EOF\n"> <"\ttest_cmp expect actual\n"> <"\t)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"push from full to shallow">)} 
      {
        (SQ <"\n"> 
          <"\t! git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) &&\n"> <"\tcommit 1 &&\n"> <"\tgit push shallow2/.git +master:refs/remotes/top/master &&\n"> <"\t(\n"> 
          <"\tcd shallow2 &&\n"> <"\tgit log --format=%s top/master >actual &&\n"> <"\tgit fsck &&\n"> <"\tcat <<EOF >expect &&\n"> 
          <"1\n"> <"4\n"> <"3\n"> <"EOF\n"> <"\ttest_cmp expect actual &&\n"> 
          <"\tgit cat-file blob $(echo 1|git hash-object --stdin) >/dev/null\n"> <"\t)\n">
        )
      }
    )
    (C {(test_done)})
  ]
)