61e5894b54
Build pipeline: viash-hub.demultiplex.rework-transfer-complete-s2fsv
Source commit: 90a88dba6c
Source message: Merge branch 'main' into rework_transfer_complete
42 lines
1.7 KiB
Bash
42 lines
1.7 KiB
Bash
#!/usr/bin/env bash
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set -eo pipefail
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extra_args=()
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TMPDIR=$(mktemp -d "$meta_temp_dir/$meta_functionality_name-XXXXXX")
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function clean_up {
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[[ -d "$TMPDIR" ]] && rm -r "$TMPDIR"
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}
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trap clean_up EXIT
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# Check if tarball contains 1 top-level directory. If so, extract the contents of the
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# directory to the output directory instead of the directory itself.
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echo "Directory contents:"
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tar -taf "${par_input}" > "$TMPDIR/tar_contents.txt"
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cat "$TMPDIR/tar_contents.txt"
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printf "Checking if tarball contains only a single top-level directory: "
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if [[ $(grep -o -E '^[./]*[^/]+/$' "$TMPDIR/tar_contents.txt" | uniq | wc -l) -eq 1 ]]; then
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echo "It does."
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echo "Extracting the contents of the top-level directory to the output directory instead of the directory itself."
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# The directory can be both of the format './<directory>' (or ././<directory>) or just <directory>
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# Adjust the number of stripped components accordingly by looking for './' at the beginning of the file.
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starting_relative=$(grep -oP -m 1 '^(./)*' "$TMPDIR/tar_contents.txt" | tr -d '\n' | wc -c)
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n_strips=$(( ($starting_relative / 2)+1 ))
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extra_args+=("--strip-components=$n_strips")
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else
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echo "It does not."
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fi
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if [ "$par_exclude" != "" ]; then
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echo "Exclusion of files with wildcard '$par_exclude' requested."
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extra_args+=("--exclude=$par_exclude")
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fi
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echo "Starting extraction of tarball '$par_input' to output directory '$par_output'."
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mkdir -p "$par_output"
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echo "executing 'tar --no-same-owner --no-same-permissions --directory=$par_output ${extra_args[@]} -xavf $par_input'"
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tar --no-same-owner --no-same-permissions --directory="$par_output" ${extra_args[@]} -xavf "$par_input"
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