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git-submodule.sh: allow running in validate mode without previous update

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The call to git-submodule.sh done in configure may happen without a
previous checkout of the roms/SLOF submodule, or even without a
previous run of the script.

So, handle creating a .git-submodule-status file even in validate
mode.  If git is absent, ensure that all passed directories exists
(because you should be in a fresh untar and will not have stale
arguments to git-submodule.sh) but do no other checks.  If git
is present, ensure that .git-submodule-status contains an entry
for all submodules passed on the command line.

With this change, "ignore" mode is not needed anymore.

Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Fixes: b11f9bd96f ("configure: move SLOF submodule handling to pc-bios/s390-ccw", 2023-06-06)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-06-18 23:10:39 +02:00
parent 63fd8ef080
commit 8edddaa23d
2 changed files with 42 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
configure vendored
View file

@ -758,7 +758,7 @@ done
if ! test -e "$source_path/.git"
then
git_submodules_action="ignore"
git_submodules_action="validate"
fi
# test for any invalid configuration combinations

73
scripts/git-submodule.sh
View file

@ -9,13 +9,22 @@ command=$1
shift
maybe_modules="$@"
# if not running in a git checkout, do nothing
test "$command" = "ignore" && exit 0
test -z "$maybe_modules" && exit 0
test -z "$GIT" && GIT=$(command -v git)
cd "$(dirname "$0")/.."
no_git_error=
if ! test -e ".git"; then
no_git_error='no git checkout exists'
elif test -z "$GIT"; then
no_git_error='git binary not found'
fi
is_git() {
test -z "$no_git_error"
}
update_error() {
echo "$0: $*"
echo
@ -34,7 +43,7 @@ update_error() {
}
validate_error() {
if test "$1" = "validate"; then
if is_git && test "$1" = "validate"; then
echo "GIT submodules checkout is out of date, and submodules"
echo "configured for validate only. Please run"
echo " scripts/git-submodule.sh update $maybe_modules"
@ -51,42 +60,42 @@ check_updated() {
test "$CURSTATUS" = "$OLDSTATUS"
}
if test -n "$maybe_modules" && ! test -e ".git"
then
echo "$0: unexpectedly called with submodules but no git checkout exists"
exit 1
if is_git; then
test -e $substat || touch $substat
modules=""
for m in $maybe_modules
do
$GIT submodule status $m 1> /dev/null 2>&1
if test $? = 0
then
modules="$modules $m"
grep $m $substat > /dev/null 2>&1 || $GIT submodule status $module >> $substat
else
echo "warn: ignoring non-existent submodule $m"
fi
done
else
modules=$maybe_modules
fi
if test -n "$maybe_modules" && test -z "$GIT"
then
echo "$0: unexpectedly called with submodules but git binary not found"
exit 1
fi
modules=""
for m in $maybe_modules
do
$GIT submodule status $m 1> /dev/null 2>&1
if test $? = 0
then
modules="$modules $m"
else
echo "warn: ignoring non-existent submodule $m"
fi
done
case "$command" in
status|validate)
test -f "$substat" || validate_error "$command"
test -z "$maybe_modules" && exit 0
for module in $modules; do
check_updated $module || validate_error "$command"
if is_git; then
check_updated $module || validate_error "$command"
elif ! (set xyz "$module"/* && test -e "$2"); then
# The directory does not exist or it contains no files
echo "$0: sources not available for $module and $no_git_error"
validate_error "$command"
fi
done
exit 0
;;
update)
test -e $substat || touch $substat
test -z "$maybe_modules" && exit 0
is_git || {
echo "$0: unexpectedly called with submodules but $no_git_error"
exit 1
}
$GIT submodule update --init $modules 1>/dev/null
test $? -ne 0 && update_error "failed to update modules"