git/t/t2024-checkout-dwim.sh
Junio C Hamano 273b0a1f58 Merge branch 'ab/checkout-default-remote'
* ab/checkout-default-remote:
  t2024: mark test using "checkout -p" with PERL prerequisite
2018-08-20 12:53:46 -07:00

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#!/bin/sh
test_description='checkout <branch>
Ensures that checkout on an unborn branch does what the user expects'
. ./test-lib.sh
# Is the current branch "refs/heads/$1"?
test_branch () {
printf "%s\n" "refs/heads/$1" >expect.HEAD &&
git symbolic-ref HEAD >actual.HEAD &&
test_cmp expect.HEAD actual.HEAD
}
# Is branch "refs/heads/$1" set to pull from "$2/$3"?
test_branch_upstream () {
printf "%s\n" "$2" "refs/heads/$3" >expect.upstream &&
{
git config "branch.$1.remote" &&
git config "branch.$1.merge"
} >actual.upstream &&
test_cmp expect.upstream actual.upstream
}
status_uno_is_clean () {
git status -uno --porcelain >status.actual &&
test_must_be_empty status.actual
}
test_expect_success 'setup' '
test_commit my_master &&
git init repo_a &&
(
cd repo_a &&
test_commit a_master &&
git checkout -b foo &&
test_commit a_foo &&
git checkout -b bar &&
test_commit a_bar
) &&
git init repo_b &&
(
cd repo_b &&
test_commit b_master &&
git checkout -b foo &&
test_commit b_foo &&
git checkout -b baz &&
test_commit b_baz
) &&
git remote add repo_a repo_a &&
git remote add repo_b repo_b &&
git config remote.repo_b.fetch \
"+refs/heads/*:refs/remotes/other_b/*" &&
git fetch --all
'
test_expect_success 'checkout of non-existing branch fails' '
git checkout -B master &&
test_might_fail git branch -D xyzzy &&
test_must_fail git checkout xyzzy &&
status_uno_is_clean &&
test_must_fail git rev-parse --verify refs/heads/xyzzy &&
test_branch master
'
test_expect_success 'checkout of branch from multiple remotes fails #1' '
git checkout -B master &&
test_might_fail git branch -D foo &&
test_must_fail git checkout foo &&
status_uno_is_clean &&
test_must_fail git rev-parse --verify refs/heads/foo &&
test_branch master
'
test_expect_success 'checkout of branch from multiple remotes fails with advice' '
git checkout -B master &&
test_might_fail git branch -D foo &&
test_must_fail git checkout foo 2>stderr &&
test_branch master &&
status_uno_is_clean &&
test_i18ngrep "^hint: " stderr &&
test_must_fail git -c advice.checkoutAmbiguousRemoteBranchName=false \
checkout foo 2>stderr &&
test_branch master &&
status_uno_is_clean &&
test_i18ngrep ! "^hint: " stderr
'
test_expect_success PERL 'checkout -p with multiple remotes does not print advice' '
git checkout -B master &&
test_might_fail git branch -D foo &&
git checkout -p foo 2>stderr &&
test_i18ngrep ! "^hint: " stderr &&
status_uno_is_clean
'
test_expect_success 'checkout of branch from multiple remotes succeeds with checkout.defaultRemote #1' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D foo &&
git -c checkout.defaultRemote=repo_a checkout foo &&
status_uno_is_clean &&
test_branch foo &&
test_cmp_rev remotes/repo_a/foo HEAD &&
test_branch_upstream foo repo_a foo
'
test_expect_success 'checkout of branch from a single remote succeeds #1' '
git checkout -B master &&
test_might_fail git branch -D bar &&
git checkout bar &&
status_uno_is_clean &&
test_branch bar &&
test_cmp_rev remotes/repo_a/bar HEAD &&
test_branch_upstream bar repo_a bar
'
test_expect_success 'checkout of branch from a single remote succeeds #2' '
git checkout -B master &&
test_might_fail git branch -D baz &&
git checkout baz &&
status_uno_is_clean &&
test_branch baz &&
test_cmp_rev remotes/other_b/baz HEAD &&
test_branch_upstream baz repo_b baz
'
test_expect_success '--no-guess suppresses branch auto-vivification' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D bar &&
test_must_fail git checkout --no-guess bar &&
test_must_fail git rev-parse --verify refs/heads/bar &&
test_branch master
'
test_expect_success 'setup more remotes with unconventional refspecs' '
git checkout -B master &&
status_uno_is_clean &&
git init repo_c &&
(
cd repo_c &&
test_commit c_master &&
git checkout -b bar &&
test_commit c_bar &&
git checkout -b spam &&
test_commit c_spam
) &&
git init repo_d &&
(
cd repo_d &&
test_commit d_master &&
git checkout -b baz &&
test_commit d_baz &&
git checkout -b eggs &&
test_commit d_eggs
) &&
git remote add repo_c repo_c &&
git config remote.repo_c.fetch \
"+refs/heads/*:refs/remotes/extra_dir/repo_c/extra_dir/*" &&
git remote add repo_d repo_d &&
git config remote.repo_d.fetch \
"+refs/heads/*:refs/repo_d/*" &&
git fetch --all
'
test_expect_success 'checkout of branch from multiple remotes fails #2' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D bar &&
test_must_fail git checkout bar &&
status_uno_is_clean &&
test_must_fail git rev-parse --verify refs/heads/bar &&
test_branch master
'
test_expect_success 'checkout of branch from multiple remotes fails #3' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D baz &&
test_must_fail git checkout baz &&
status_uno_is_clean &&
test_must_fail git rev-parse --verify refs/heads/baz &&
test_branch master
'
test_expect_success 'checkout of branch from a single remote succeeds #3' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D spam &&
git checkout spam &&
status_uno_is_clean &&
test_branch spam &&
test_cmp_rev refs/remotes/extra_dir/repo_c/extra_dir/spam HEAD &&
test_branch_upstream spam repo_c spam
'
test_expect_success 'checkout of branch from a single remote succeeds #4' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D eggs &&
git checkout eggs &&
status_uno_is_clean &&
test_branch eggs &&
test_cmp_rev refs/repo_d/eggs HEAD &&
test_branch_upstream eggs repo_d eggs
'
test_expect_success 'checkout of branch with a file having the same name fails' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D spam &&
>spam &&
test_must_fail git checkout spam &&
status_uno_is_clean &&
test_must_fail git rev-parse --verify refs/heads/spam &&
test_branch master
'
test_expect_success 'checkout of branch with a file in subdir having the same name fails' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D spam &&
>spam &&
mkdir sub &&
mv spam sub/spam &&
test_must_fail git -C sub checkout spam &&
status_uno_is_clean &&
test_must_fail git rev-parse --verify refs/heads/spam &&
test_branch master
'
test_expect_success 'checkout <branch> -- succeeds, even if a file with the same name exists' '
git checkout -B master &&
status_uno_is_clean &&
test_might_fail git branch -D spam &&
>spam &&
git checkout spam -- &&
status_uno_is_clean &&
test_branch spam &&
test_cmp_rev refs/remotes/extra_dir/repo_c/extra_dir/spam HEAD &&
test_branch_upstream spam repo_c spam
'
test_expect_success 'loosely defined local base branch is reported correctly' '
git checkout master &&
status_uno_is_clean &&
git branch strict &&
git branch loose &&
git commit --allow-empty -m "a bit more" &&
test_config branch.strict.remote . &&
test_config branch.loose.remote . &&
test_config branch.strict.merge refs/heads/master &&
test_config branch.loose.merge master &&
git checkout strict | sed -e "s/strict/BRANCHNAME/g" >expect &&
status_uno_is_clean &&
git checkout loose | sed -e "s/loose/BRANCHNAME/g" >actual &&
status_uno_is_clean &&
test_cmp expect actual
'
test_done