Stefan Beller <sbel...@google.com> writes:
> We may want to discuss the error message. It is the same as in the case
> before (git-fetch <no args>), this is good for translation, but may be bad
> for the user as we may want to give extra information.
> ("We fetched for you and it worked, however the sha1 was not included,
> so we fetched again the server broke it, so we error out. You used to
> see error message: ....")
>
> Although this may be too much information?
Now the "go to that submodule directory and see if $sha1 is
reachable from any of the ref" check is written twice exactly the
same way, it deserves to become a small helper function, I think.
Perhaps something along this line?
git-submodule.sh | 29 ++++++++++++++++++++++++++---
1 file changed, 26 insertions(+), 3 deletions(-)
diff --git a/git-submodule.sh b/git-submodule.sh
index 9bc5c5f..836348f 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -591,6 +591,24 @@ cmd_deinit()
done
}
+is_tip_reachable () (
+ clear_local_git_env
+ cd "$1" &&
+ rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
+ test -z "$rev"
+)
+
+fetch_in_submodule () (
+ clear_local_git_env
+ cd "$1" &&
+ case "$2" in
+ '')
+ git fetch ;;
+ *)
+ git fetch $(get_default_remote) "$2" ;;
+ esac
+)
+
#
# Update each submodule path to correct revision, using clone and checkout as
needed
#
@@ -745,9 +763,14 @@ Maybe you want to use 'update --init'?")"
then
# Run fetch only if $sha1 isn't present or it
# is not reachable from a ref.
- (clear_local_git_env; cd "$sm_path" &&
- ( (rev=$(git rev-list -n 1 $sha1 --not
--all 2>/dev/null) &&
- test -z "$rev") || git-fetch)) ||
+ is_tip_reachable "$sm_path" "$sha1" ||
+ fetch_in_submodule "$sm_path" ||
+ die "$(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" "$sha1" ||
die "$(eval_gettext "Unable to fetch in
submodule path '\$displaypath'")"
fi
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