Merge branch 'da/pull-ff-configuration'

"git pull" learned to pay attention to pull.ff configuration
variable.

* da/pull-ff-configuration:
  pull: add --ff-only to the help text
  pull: add pull.ff configuration
This commit is contained in:
Junio C Hamano 2014-02-27 14:01:11 -08:00
Родитель d637d1b9a8 ef93e3a49c
Коммит 7da5fd6895
3 изменённых файлов: 47 добавлений и 1 удалений

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@ -1889,6 +1889,16 @@ pretty.<name>::
Note that an alias with the same name as a built-in format
will be silently ignored.
pull.ff::
By default, Git does not create an extra merge commit when merging
a commit that is a descendant of the current commit. Instead, the
tip of the current branch is fast-forwarded. When set to `false`,
this variable tells Git to create an extra merge commit in such
a case (equivalent to giving the `--no-ff` option from the command
line). When set to `only`, only such fast-forward merges are
allowed (equivalent to giving the `--ff-only` option from the
command line).
pull.rebase::
When true, rebase branches on top of the fetched branch, instead
of merging the default branch from the default remote when "git

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@ -4,7 +4,7 @@
#
# Fetch one or more remote refs and merge it/them into the current HEAD.
USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff] [--[no-]rebase|--rebase=preserve] [-s strategy]... [<fetch-options>] <repo> <head>...'
USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff|--ff-only] [--[no-]rebase|--rebase=preserve] [-s strategy]... [<fetch-options>] <repo> <head>...'
LONG_USAGE='Fetch one or more remote refs and integrate it/them with the current HEAD.'
SUBDIRECTORY_OK=Yes
OPTIONS_SPEC=
@ -52,6 +52,21 @@ if test -z "$rebase"
then
rebase=$(bool_or_string_config pull.rebase)
fi
# Setup default fast-forward options via `pull.ff`
pull_ff=$(git config pull.ff)
case "$pull_ff" in
false)
no_ff=--no-ff
break
;;
only)
ff_only=--ff-only
break
;;
esac
dry_run=
while :
do

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@ -38,6 +38,27 @@ test_expect_success 'merge c1 with c2' '
test -f c2.c
'
test_expect_success 'fast-forward pull succeeds with "true" in pull.ff' '
git reset --hard c0 &&
test_config pull.ff true &&
git pull . c1 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse c1)"
'
test_expect_success 'fast-forward pull creates merge with "false" in pull.ff' '
git reset --hard c0 &&
test_config pull.ff false &&
git pull . c1 &&
test "$(git rev-parse HEAD^1)" = "$(git rev-parse c0)" &&
test "$(git rev-parse HEAD^2)" = "$(git rev-parse c1)"
'
test_expect_success 'pull prevents non-fast-forward with "only" in pull.ff' '
git reset --hard c1 &&
test_config pull.ff only &&
test_must_fail git pull . c3
'
test_expect_success 'merge c1 with c2 (ours in pull.twohead)' '
git reset --hard c1 &&
git config pull.twohead ours &&