39 lines
740 B
Bash
Executable File
39 lines
740 B
Bash
Executable File
#!/bin/sh
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#
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# This code is licensed under the GPL version 2 or later. See
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# the COPYING file in the top-level directory.
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set -e
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substat=".git-submodule-status"
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command=$1
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shift
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modules="$@"
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if test -z "$modules"
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then
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test -e $substat || touch $substat
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exit 0
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fi
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if ! test -e ".git"
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then
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echo "$0: unexpectedly called with submodules but no git checkout exists"
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exit 1
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fi
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case "$command" in
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status)
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test -f "$substat" || exit 1
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trap "rm -f ${substat}.tmp" EXIT
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git submodule status $modules > "${substat}.tmp"
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diff "${substat}" "${substat}.tmp" >/dev/null
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exit $?
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;;
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update)
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git submodule update --init $modules 1>/dev/null 2>&1
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git submodule status $modules > "${substat}"
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;;
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esac
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