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reduce submodule clone time and size using depth option #1616

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reduce submodule clone time and size using depth option #1616

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824db42
reduce submodule clone time and size
karaketir16 Nov 15, 2024
470cc17
fix for some remotes
karaketir16 Nov 15, 2024
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3 changes: 1 addition & 2 deletions Makefile.in
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Original file line number Diff line number Diff line change
Expand Up @@ -346,8 +346,7 @@ endif

$(srcdir)/%/.git:
cd $(srcdir) && \
flock `git rev-parse --git-dir`/config git submodule init $(dir $@) && \
flock `git rev-parse --git-dir`/config git submodule update --progress $(dir $@)
flock `git rev-parse --git-dir`/config $(srcdir)/scripts/clone-submodule.sh $(dir $@) $(srcdir)

stamps/install-host-gcc: $(GCC_SRCDIR) $(GCC_SRC_GIT)
if test -f $</contrib/download_prerequisites && test "@NEED_GCC_EXTERNAL_LIBRARIES@" = "true"; then cd $< && ./contrib/download_prerequisites; fi
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30 changes: 30 additions & 0 deletions scripts/clone-submodule.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
#!/bin/bash

REPO_PATH=$1
SRCDIR=$2

# Convert REPO_PATH to a relative path with respect to SRCDIR
RELATIVE_PATH=$(realpath --relative-to="$SRCDIR" "$REPO_PATH")

echo "Attempting shallow submodule update..."
if git submodule update --init --depth 1 --progress $RELATIVE_PATH; then
echo "Shallow submodule update succeeded!"
else
echo "Shallow submodule update failed. Cleaning up and retrying with full submodule update..."

# Deinitialize the submodule
git submodule deinit -f -- $RELATIVE_PATH
rm -rf .git/modules/$RELATIVE_PATH
git prune

# Perform a fresh submodule update
git submodule update --init --progress $RELATIVE_PATH

# Check if the full update succeeded
if [ $? -eq 0 ]; then
echo "Full submodule update succeeded after cleanup!"
else
echo "Full submodule update failed even after cleanup."
exit 1
fi
fi