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pull: handle git-fetch's options as well
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>
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@ -74,9 +74,6 @@ pulling or stash them away with linkgit:git-stash[1].
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OPTIONS
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-------
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Options meant for 'git pull' itself and the underlying 'git merge'
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must be given before the options meant for 'git fetch'.
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-q::
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--quiet::
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This is passed to both underlying git-fetch to squelch reporting of
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37
git-pull.sh
37
git-pull.sh
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@ -44,7 +44,8 @@ bool_or_string_config () {
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strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
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log_arg= verbosity= progress= recurse_submodules= verify_signatures=
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merge_args= edit= rebase_args=
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merge_args= edit= rebase_args= all= append= upload_pack= force= tags= prune=
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keep= depth= unshallow= update_shallow= refmap=
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curr_branch=$(git symbolic-ref -q HEAD)
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curr_branch_short="${curr_branch#refs/heads/}"
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rebase=$(bool_or_string_config branch.$curr_branch_short.rebase)
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@ -166,11 +167,39 @@ do
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--d|--dr|--dry|--dry-|--dry-r|--dry-ru|--dry-run)
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dry_run=--dry-run
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;;
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--all|--no-all)
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all=$1 ;;
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-a|--append|--no-append)
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append=$1 ;;
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--upload-pack=*|--no-upload-pack)
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upload_pack=$1 ;;
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-f|--force|--no-force)
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force="$force $1" ;;
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-t|--tags|--no-tags)
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tags=$1 ;;
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-p|--prune|--no-prune)
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prune=$1 ;;
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-k|--keep|--no-keep)
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keep=$1 ;;
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--depth=*|--no-depth)
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depth=$1 ;;
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--unshallow|--no-unshallow)
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unshallow=$1 ;;
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--update-shallow|--no-update-shallow)
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update_shallow=$1 ;;
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--refmap=*|--no-refmap)
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refmap=$1 ;;
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-h|--help-all)
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usage
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;;
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--)
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shift
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break
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;;
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-*)
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usage
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;;
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*)
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# Pass thru anything that may be meant for fetch.
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break
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;;
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esac
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@ -248,7 +277,9 @@ test true = "$rebase" && {
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oldremoteref=$(git merge-base --fork-point "$remoteref" $curr_branch 2>/dev/null)
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}
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orig_head=$(git rev-parse -q --verify HEAD)
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git fetch $verbosity $progress $dry_run $recurse_submodules --update-head-ok "$@" || exit 1
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git fetch $verbosity $progress $dry_run $recurse_submodules $all $append \
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$upload_pack $force $tags $prune $keep $depth $unshallow $update_shallow \
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$refmap --update-head-ok "$@" || exit 1
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test -z "$dry_run" || exit 0
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curr_head=$(git rev-parse -q --verify HEAD)
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@ -160,6 +160,18 @@ test_expect_success 'fail if no configuration for current branch' '
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test "$(cat file)" = file
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'
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test_expect_success 'pull --all: fail if no configuration for current branch' '
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git remote add test_remote . &&
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test_when_finished "git remote remove test_remote" &&
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git checkout -b test copy^ &&
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test_when_finished "git checkout -f copy && git branch -D test" &&
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test_config branch.test.remote test_remote &&
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test "$(cat file)" = file &&
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test_must_fail git pull --all 2>err &&
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test_i18ngrep "There is no tracking information" err &&
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test "$(cat file)" = file
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'
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test_expect_success 'fail if upstream branch does not exist' '
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git checkout -b test copy^ &&
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test_when_finished "git checkout -f copy && git branch -D test" &&
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@ -365,6 +377,14 @@ test_expect_success '--rebase with rebased upstream' '
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'
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test_expect_success '--rebase -f with rebased upstream' '
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test_when_finished "test_might_fail git rebase --abort" &&
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git reset --hard to-rebase-orig &&
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git pull --rebase -f me copy &&
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test "conflicting modification" = "$(cat file)" &&
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test file = "$(cat file2)"
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'
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test_expect_success '--rebase with rebased default upstream' '
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git update-ref refs/remotes/me/copy copy-orig &&
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@ -130,4 +130,18 @@ test_expect_success 'git pull --dry-run' '
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)
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'
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test_expect_success 'git pull --all --dry-run' '
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test_when_finished "rm -rf cloneddry" &&
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git init clonedry &&
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(
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cd clonedry &&
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git remote add origin ../parent &&
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git pull --all --dry-run &&
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test_path_is_missing .git/FETCH_HEAD &&
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test_path_is_missing .git/refs/remotes/origin/master &&
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test_path_is_missing .git/index &&
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test_path_is_missing file
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)
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'
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test_done
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