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76 lines
1.3 KiB
76 lines
1.3 KiB
#!/bin/sh
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set -eu
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brute_find() {
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local op="$1" cue="$2" dir="$3"
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while true; do
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if [ $op "$dir/$cue" ]; then
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echo "$dir"
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elif [ / != "${dir:-/}" ]; then
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dir="${dir%/*}"
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continue
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fi
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return
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done
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}
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find_run_sh() {
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local dir="${1:-$PWD}"
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local try_repo=true
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local ws=
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while true; do
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[ "$PWD" = "$dir" ] || cd "$dir"
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# find root of repo workspace
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if $try_repo; then
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ws="$(brute_find -d .repo "$PWD")"
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[ -d "$ws" ] || try_repo=false
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fi
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# or find root of .git repository
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if [ ! -d "$ws" ]; then
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ws="$(git rev-parse --show-superproject-working-tree 2> /dev/null || true)"
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[ -d "$ws" ] || ws="$(git rev-parse --show-toplevel 2> /dev/null || true)"
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fi
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if [ ! -d "$ws" ]; then
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# no repo? find anything then
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dir="$(brute_find -x run.sh "$PWD")"
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[ -z "$dir" ] || echo "$dir/run.sh"
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elif [ -x "$ws/run.sh" ]; then
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# found at repo's root
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echo "$ws/run.sh"
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elif [ / != "${ws:-/}" ]; then
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# check on the parent's then
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dir="${ws%/*}"
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ws=
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continue
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fi
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return
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done
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}
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run_sh="$(find_run_sh)"
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if test "x--root" = "x${1:-}"; then
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if [ -x "$run_sh" ]; then
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# found
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echo "$(dirname "$run_sh")"
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exit 0
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fi
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# failed to find workspace
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exit 1
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elif [ -x "$run_sh" ]; then
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exec "$run_sh" "$@"
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elif [ "$#" -gt 0 ]; then
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exec "$@"
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fi
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