- {
- git cat-file blob "$1:.topdeps" 2>/dev/null |
- while read _dep; do
- _dep_is_tgish=1
- git rev-parse --verify "refs/top-bases/$_dep" >/dev/null 2>&1 ||
- _dep_is_tgish=
-
- # Shoo shoo, keep our environment alone!
- [ -z "$_dep_is_tgish" ] || (needs_update "$_dep" "$@")
-
- _dep_base_uptodate=1
- if [ -n "$_dep_is_tgish" ]; then
- branch_contains "$_dep" "refs/top-bases/$_dep" || _dep_base_uptodate=
- fi
-
- if [ -z "$_dep_base_uptodate" ]; then
- # _dep needs to be synced with its base
- echo ": $_dep $*"
- elif ! branch_contains "refs/top-bases/$1" "$_dep"; then
- # Some new commits in _dep
- echo "$_dep $*"
- fi
- done
- } || : # $1 is not tracked by TopGit anymore
+ depsfile="$(mktemp)"
+ git cat-file blob "$1:.topdeps" >"$depsfile"
+ _ret=0
+ while read _dep; do
+ if ! git rev-parse --verify "$_dep" >/dev/null 2>&1; then
+ # All hope is lost
+ missing_deps="$missing_deps $_dep"
+ continue
+ fi
+
+ _dep_is_tgish=1
+ git rev-parse --verify "refs/top-bases/$_dep" >/dev/null 2>&1 ||
+ _dep_is_tgish=
+
+ # Shoo shoo, keep our environment alone!
+ [ -z "$_dep_is_tgish" ] ||
+ (needs_update "$_dep" "$@") ||
+ _ret=$?
+
+ _dep_base_uptodate=1
+ if [ -n "$_dep_is_tgish" ]; then
+ branch_contains "$_dep" "refs/top-bases/$_dep" || _dep_base_uptodate=
+ fi
+
+ if [ -z "$_dep_base_uptodate" ]; then
+ # _dep needs to be synced with its base
+ echo ": $_dep $*"
+ _ret=1
+ elif ! branch_contains "refs/top-bases/$1" "$_dep"; then
+ # Some new commits in _dep
+ echo "$_dep $*"
+ _ret=1
+ fi
+ done <"$depsfile"
+ missing_deps="${missing_deps# }"
+ rm "$depsfile"
+ return $_ret