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pull: handle git-fetch's options as well

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While parsing the command-line arguments, git-pull stops parsing at the
first unrecognized option, assuming that any subsequent options are for
git-fetch, and can thus be kept in the shell's positional parameters
list, so that it can be passed to git-fetch via the expansion of "$@".

However, certain functions in git-pull assume that the positional
parameters do not contain any options:

* error_on_no_merge_candidates() uses the number of positional
  parameters to determine which error message to print out, and will
  thus print the wrong message if git-fetch's options are passed in as
  well.

* the call to get_remote_merge_branch() assumes that the positional
  parameters only contains the optional repo and refspecs, and will
  thus silently fail if git-fetch's options are passed in as well.

* --dry-run is a valid git-fetch option, but if provided after any
  git-fetch options, it is not recognized by git-pull and thus git-pull
  will continue to run the merge or rebase.

Fix these bugs by teaching git-pull to parse git-fetch's options as
well. Add tests to prevent regressions.

This removes the limitation where git-fetch's options have to come after
git-merge's and git-rebase's options on the command line. Update the
documentation to reflect this.

Signed-off-by: Paul Tan <pyokagan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Paul Tan
2015-06-02 22:22:52 +08:00
committed by Junio C Hamano
parent 2c9c1c5178
commit eb2a8d9ed3
4 changed files with 68 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
t/t5520-pull.sh
View File

@ -160,6 +160,18 @@ test_expect_success 'fail if no configuration for current branch' '
test "$(cat file)" = file
'
test_expect_success 'pull --all: fail if no configuration for current branch' '
git remote add test_remote . &&
test_when_finished "git remote remove test_remote" &&
git checkout -b test copy^ &&
test_when_finished "git checkout -f copy && git branch -D test" &&
test_config branch.test.remote test_remote &&
test "$(cat file)" = file &&
test_must_fail git pull --all 2>err &&
test_i18ngrep "There is no tracking information" err &&
test "$(cat file)" = file
'
test_expect_success 'fail if upstream branch does not exist' '
git checkout -b test copy^ &&
test_when_finished "git checkout -f copy && git branch -D test" &&
@ -365,6 +377,14 @@ test_expect_success '--rebase with rebased upstream' '
'
test_expect_success '--rebase -f with rebased upstream' '
test_when_finished "test_might_fail git rebase --abort" &&
git reset --hard to-rebase-orig &&
git pull --rebase -f me copy &&
test "conflicting modification" = "$(cat file)" &&
test file = "$(cat file2)"
'
test_expect_success '--rebase with rebased default upstream' '
git update-ref refs/remotes/me/copy copy-orig &&

14
t/t5521-pull-options.sh
View File

@ -130,4 +130,18 @@ test_expect_success 'git pull --dry-run' '
)
'
test_expect_success 'git pull --all --dry-run' '
test_when_finished "rm -rf cloneddry" &&
git init clonedry &&
(
cd clonedry &&
git remote add origin ../parent &&
git pull --all --dry-run &&
test_path_is_missing .git/FETCH_HEAD &&
test_path_is_missing .git/refs/remotes/origin/master &&
test_path_is_missing .git/index &&
test_path_is_missing file
)
'
test_done