mirror of
https://github.com/jb55/nostril.git
synced 2024-11-24 00:49:07 -05:00
43 lines
1.0 KiB
Bash
Executable File
43 lines
1.0 KiB
Bash
Executable File
#! /bin/sh
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if [ $# = 0 ]; then
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echo "Usage: $0 <submoduledir1>..." >&2
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exit 1
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fi
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# If no git dir (or, if we're a submodule, git file), forget it.
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[ -e .git ] || exit 0
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# git submodule can't run in parallel. Really.
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# Wait for it to finish if in parallel.
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if ! mkdir .refresh-submodules 2>/dev/null ; then
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# If we don't make progress in ~60 seconds, force delete and retry.
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LIMIT=$((50 + $$ % 20))
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i=0
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while [ $i -lt $LIMIT ]; do
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[ -d .refresh-submodules ] || exit 0
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sleep 1
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i=$((i + 1))
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done
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rmdir .refresh-submodules
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exec "$0" "$@" || exit 1
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fi
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trap "rmdir .refresh-submodules" EXIT
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# Be a little careful here, since we do rm -rf!
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for m in "$@"; do
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if ! grep -q "path = $m\$" .gitmodules; then
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echo "$m is not a submodule!" >&2
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exit 1
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fi
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done
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# git submodule can segfault. Really.
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if [ "$(git submodule status "$@" | grep -c '^ ')" != $# ]; then
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echo Reinitializing submodules "$@" ...
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git submodule sync "$@"
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rm -rf "$@"
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git submodule update --init --recursive "$@"
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fi
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