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submodule: port submodule subcommand 'sync' from shell to C

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Port the submodule subcommand 'sync' from shell to C using the same
mechanism as that used for porting submodule subcommand 'status'.
Hence, here the function cmd_sync() is ported from shell to C.
This is done by introducing four functions: module_sync(),
sync_submodule(), sync_submodule_cb() and print_default_remote().

The function print_default_remote() is introduced for getting
the default remote as stdout.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Prathamesh Chavan <pc44800@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Prathamesh Chavan
2018-01-15 02:45:28 +05:30
committed by Junio C Hamano
parent 36438dc19d
commit 13424764db
2 changed files with 194 additions and 56 deletions
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57
git-submodule.sh
View File

@ -1036,63 +1036,8 @@ cmd_sync()
;;
esac
done
cd_to_toplevel
{
git submodule--helper list --prefix "$wt_prefix" "$@" ||
echo "#unmatched" $?
} |
while read -r mode sha1 stage sm_path
do
die_if_unmatched "$mode" "$sha1"
# skip inactive submodules
if ! git submodule--helper is-active "$sm_path"
then
continue
fi
name=$(git submodule--helper name "$sm_path")
url=$(git config -f .gitmodules --get submodule."$name".url)
# Possibly a url relative to parent
case "$url" in
./*|../*)
# rewrite foo/bar as ../.. to find path from
# submodule work tree to superproject work tree
up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
# guarantee a trailing /
up_path=${up_path%/}/ &&
# path from submodule work tree to submodule origin repo
sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
# path from superproject work tree to submodule origin repo
super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
;;
*)
sub_origin_url="$url"
super_config_url="$url"
;;
esac
displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
git config submodule."$name".url "$super_config_url"
if test -e "$sm_path"/.git
then
(
sanitize_submodule_env
cd "$sm_path"
remote=$(get_default_remote)
git config remote."$remote".url "$sub_origin_url"
if test -n "$recursive"
then
prefix="$prefix$sm_path/"
eval cmd_sync
fi
)
fi
done
git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
}
cmd_absorbgitdirs()