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submodule update: respect depth in subsequent fetches 

When depth is given the user may have a reasonable expectation that
any remote operation is using the given depth. Add a test to demonstrate
we still get the desired sha1 even if the depth is too short to
include the actual commit.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller 2016-07-28 17:44:04 -07:00 committed by Junio C Hamano
parent d4470c5a46
commit 6cbf454a2e
2 changed files with 21 additions and 4 deletions
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9
git-submodule.sh
View File

@ -479,7 +479,8 @@ fetch_in_submodule () (
'')
git fetch ;;
*)
git fetch $(get_default_remote) "$2" ;;
shift
git fetch $(get_default_remote) "$@" ;;
esac
)
@ -617,7 +618,7 @@ cmd_update()
if test -z "$nofetch"
then
# Fetch remote before determining tracking $sha1
fetch_in_submodule "$sm_path" ||
fetch_in_submodule "$sm_path" $depth ||
die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
fi
remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
@ -640,13 +641,13 @@ cmd_update()
# Run fetch only if $sha1 isn't present or it
# is not reachable from a ref.
is_tip_reachable "$sm_path" "$sha1" ||
fetch_in_submodule "$sm_path" ||
fetch_in_submodule "$sm_path" $depth ||
die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
# Now we tried the usual fetch, but $sha1 may
# not be reachable from any of the refs
is_tip_reachable "$sm_path" "$sha1" ||
fetch_in_submodule "$sm_path" "$sha1" ||
fetch_in_submodule "$sm_path" $depth "$sha1" ||
die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
fi

16
t/t7406-submodule-update.sh
View File

@ -856,6 +856,22 @@ test_expect_success 'submodule update clone shallow submodule' '
)
'
test_expect_success 'submodule update clone shallow submodule outside of depth' '
test_when_finished "rm -rf super3" &&
git clone cloned super3 &&
pwd=$(pwd) &&
(
cd super3 &&
sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
mv -f .gitmodules.tmp .gitmodules &&
test_must_fail git submodule update --init --depth=1 2>actual &&
test_i18ngrep "Direct fetching of that commit failed." actual &&
git -C ../submodule config uploadpack.allowReachableSHA1InWant true &&
git submodule update --init --depth=1 >actual &&
test 1 = $(git -C submodule log --oneline | wc -l)
)
'
test_expect_success 'submodule update --recursive drops module name before recursing' '
(cd super2 &&
(cd deeper/submodule/subsubmodule &&