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Merge branch 'ar/submodule-run-update-procedure'

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Reimplementation of parts of "git submodule" in C continues.

* ar/submodule-run-update-procedure:
  submodule--helper: run update procedures from C
This commit is contained in:
Junio C Hamano
2021-09-20 15:20:44 -07:00
parent 1b8bd2243e c51f8f94e5
commit e78db9d303
2 changed files with 289 additions and 72 deletions
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104
git-submodule.sh
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@ -251,13 +251,6 @@ cmd_deinit()
git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${force:+--force} ${deinit_all:+--all} -- "$@"
}
is_tip_reachable () (
sanitize_submodule_env &&
cd "$1" &&
rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
test -z "$rev"
)
# usage: fetch_in_submodule <module_path> [<depth>] [<sha1>]
# Because arguments are positional, use an empty string to omit <depth>
# but include <sha1>.
@ -401,14 +394,13 @@ cmd_update()
git submodule--helper ensure-core-worktree "$sm_path" || exit 1
update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
if test $just_cloned -eq 1
then
subsha1=
else
just_cloned=
subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
git rev-parse --verify HEAD) ||
die "fatal: $(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
@ -429,70 +421,38 @@ cmd_update()
die "fatal: $(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
fi
if test "$subsha1" != "$sha1" || test -n "$force"
then
subforce=$force
# If we don't already have a -f flag and the submodule has never been checked out
if test -z "$subsha1" && test -z "$force"
then
subforce="-f"
fi
out=$(git submodule--helper run-update-procedure \
${wt_prefix:+--prefix "$wt_prefix"} \
${GIT_QUIET:+--quiet} \
${force:+--force} \
${just_cloned:+--just-cloned} \
${nofetch:+--no-fetch} \
${depth:+"$depth"} \
${update:+--update "$update"} \
${prefix:+--recursive-prefix "$prefix"} \
${sha1:+--oid "$sha1"} \
${subsha1:+--suboid "$subsha1"} \
"--" \
"$sm_path")
if test -z "$nofetch"
then
# 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" $depth ||
say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'; trying to directly fetch \$sha1:")"
# 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" "$depth" "$sha1" ||
die "fatal: $(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
fi
must_die_on_failure=
case "$update_module" in
checkout)
command="git checkout $subforce -q"
die_msg="fatal: $(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
;;
rebase)
command="git rebase ${GIT_QUIET:+--quiet}"
die_msg="fatal: $(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
must_die_on_failure=yes
;;
merge)
command="git merge ${GIT_QUIET:+--quiet}"
die_msg="fatal: $(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
must_die_on_failure=yes
;;
!*)
command="${update_module#!}"
die_msg="fatal: $(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
must_die_on_failure=yes
;;
*)
die "fatal: $(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
esac
if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
then
say "$say_msg"
elif test -n "$must_die_on_failure"
then
die_with_status 2 "$die_msg"
else
err="${err};$die_msg"
continue
fi
fi
# exit codes for run-update-procedure:
# 0: update was successful, say command output
# 1: update procedure failed, but should not die
# 2 or 128: subcommand died during execution
# 3: no update procedure was run
res="$?"
case $res in
0)
say "$out"
;;
1)
err="${err};fatal: $out"
continue
;;
2|128)
die_with_status $res "fatal: $out"
;;
esac
if test -n "$recursive"
then