#!/bin/sh
#
# Copyright (c) 2010 Sverre Rabbelier
#

test_description='Test remote-helper import and export commands'

. ./test-lib.sh

if ! type "${BASH-bash}" >/dev/null 2>&1; then
        skip_all='skipping remote-testgit tests, bash not available'
        test_done
fi

compare_refs() {
        git --git-dir="$1/.git" rev-parse --verify $2 >expect &&
        git --git-dir="$3/.git" rev-parse --verify $4 >actual &&
        test_cmp expect actual
}

test_expect_success 'setup repository' '
        git init server &&
        (cd server &&
         echo content >file &&
         git add file &&
         git commit -m one)
'

test_expect_success 'cloning from local repo' '
        git clone "testgit::${PWD}/server" local &&
        test_cmp server/file local/file
'

test_expect_success 'create new commit on remote' '
        (cd server &&
         echo content >>file &&
         git commit -a -m two)
'

test_expect_success 'pulling from local repo' '
        (cd local && git pull) &&
        test_cmp server/file local/file
'

test_expect_success 'pushing to local repo' '
        (cd local &&
        echo content >>file &&
        git commit -a -m three &&
        git push) &&
        compare_refs local HEAD server HEAD
'

test_expect_success 'fetch new branch' '
        (cd server &&
         git reset --hard &&
         git checkout -b new &&
         echo content >>file &&
         git commit -a -m five
        ) &&
        (cd local &&
         git fetch origin new
        ) &&
        compare_refs server HEAD local FETCH_HEAD
'

test_expect_success 'fetch multiple branches' '
        (cd local &&
         git fetch
        ) &&
        compare_refs server master local refs/remotes/origin/master &&
        compare_refs server new local refs/remotes/origin/new
'

test_expect_success 'push when remote has extra refs' '
        (cd local &&
         git reset --hard origin/master &&
         echo content >>file &&
         git commit -a -m six &&
         git push
        ) &&
        compare_refs local master server master
'

test_expect_success 'push new branch by name' '
        (cd local &&
         git checkout -b new-name  &&
         echo content >>file &&
         git commit -a -m seven &&
         git push origin new-name
        ) &&
        compare_refs local HEAD server refs/heads/new-name
'

test_expect_failure 'push new branch with old:new refspec' '
        (cd local &&
         git push origin new-name:new-refspec
        ) &&
        compare_refs local HEAD server refs/heads/new-refspec
'

test_expect_success 'cloning without refspec' '
        GIT_REMOTE_TESTGIT_REFSPEC="" \
        git clone "testgit::${PWD}/server" local2 2>error &&
        grep "This remote helper should implement refspec capability" error &&
        compare_refs local2 HEAD server HEAD
'

test_expect_success 'pulling without refspecs' '
        (cd local2 &&
        git reset --hard &&
        GIT_REMOTE_TESTGIT_REFSPEC="" git pull 2>../error) &&
        grep "This remote helper should implement refspec capability" error &&
        compare_refs local2 HEAD server HEAD
'

test_expect_success 'pushing without refspecs' '
        test_when_finished "(cd local2 && git reset --hard origin)" &&
        (cd local2 &&
        echo content >>file &&
        git commit -a -m ten &&
        GIT_REMOTE_TESTGIT_REFSPEC="" &&
        export GIT_REMOTE_TESTGIT_REFSPEC &&
        test_must_fail git push 2>../error) &&
        grep "remote-helper doesn.t support push; refspec needed" error
'

test_expect_success 'pulling without marks' '
        (cd local2 &&
        GIT_REMOTE_TESTGIT_NO_MARKS=1 git pull) &&
        compare_refs local2 HEAD server HEAD
'

test_expect_failure 'pushing without marks' '
        test_when_finished "(cd local2 && git reset --hard origin)" &&
        (cd local2 &&
        echo content >>file &&
        git commit -a -m twelve &&
        GIT_REMOTE_TESTGIT_NO_MARKS=1 git push) &&
        compare_refs local2 HEAD server HEAD
'

test_expect_success 'push all with existing object' '
        (cd local &&
        git branch dup2 master &&
        git push origin --all
        ) &&
        compare_refs local dup2 server dup2
'

test_expect_success 'push ref with existing object' '
        (cd local &&
        git branch dup master &&
        git push origin dup
        ) &&
        compare_refs local dup server dup
'

test_expect_success 'push update refs' '
        (cd local &&
        git checkout -b update master &&
        echo update >>file &&
        git commit -a -m update &&
        git push origin update
        git rev-parse --verify remotes/origin/update >expect &&
        git rev-parse --verify testgit/origin/heads/update >actual &&
        test_cmp expect actual
        )
'

test_expect_success 'proper failure checks for fetching' '
        (GIT_REMOTE_TESTGIT_FAILURE=1 &&
        export GIT_REMOTE_TESTGIT_FAILURE &&
        cd local &&
        test_must_fail git fetch 2> error &&
        cat error &&
        grep -q "Error while running fast-import" error
        )
'

test_expect_success 'proper failure checks for pushing' '
        (GIT_REMOTE_TESTGIT_FAILURE=1 &&
        export GIT_REMOTE_TESTGIT_FAILURE &&
        cd local &&
        test_must_fail git push --all 2> error &&
        cat error &&
        grep -q "Reading from helper .git-remote-testgit. failed" error
        )
'

test_expect_success 'push messages' '
        (cd local &&
        git checkout -b new_branch master &&
        echo new >>file &&
        git commit -a -m new &&
        git push origin new_branch &&
        git fetch origin &&
        echo new >>file &&
        git commit -a -m new &&
        git push origin new_branch 2> msg &&
        ! grep "\[new branch\]" msg
        )
'

test_done