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53 lines
1.8 KiB
53 lines
1.8 KiB
# set of utilities that assure the cwd of a build
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# is completely clean after the build, meaning all
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# files were either discarded or moved to outputs.
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# This ensures nothing is forgotten and new files
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# are correctly handled on update.
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{ lib, stdenv, file, writeScript }:
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let
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globWith = lib.concatMapStringsSep "\n";
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rmNoise = noiseGlobs: globWith (f:
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"rm -rf ${f}") noiseGlobs;
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mvDoc = docGlobs: globWith
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(f: ''mv ${f} "$DOCDIR" 2>/dev/null || true'')
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docGlobs;
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# Shell script that implements common move & remove actions
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# $1 is the doc directory (will be created).
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# Best used in conjunction with checkForRemainingFiles
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commonFileActions =
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{ # list of fileglobs that are removed from the source dir
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noiseFiles
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# files that are moved to the doc directory ($1)
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# TODO(Profpatsch): allow to set target dir with
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# { glob = …; to = "html" } (relative to docdir)
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, docFiles }:
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writeScript "common-file-actions.sh" ''
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#!${stdenv.shell}
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set -e
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DOCDIR="''${1?commonFileActions: DOCDIR as argv[1] required}"
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shopt -s globstar extglob nullglob
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mkdir -p "$DOCDIR"
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${mvDoc docFiles}
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${rmNoise noiseFiles}
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'';
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# Shell script to check whether the build directory is empty.
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# If there are still files remaining, exit 1 with a helpful
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# listing of all remaining files and their types.
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checkForRemainingFiles = writeScript "check-for-remaining-files.sh" ''
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#!${stdenv.shell}
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echo "Checking for remaining source files"
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rem=$(find -mindepth 1 -xtype f -print0 \
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| tee $TMP/remaining-files)
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if [[ "$rem" != "" ]]; then
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echo "ERROR: These files should be either moved or deleted:"
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cat $TMP/remaining-files | xargs -0 ${file}/bin/file
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exit 1
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fi
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'';
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in {
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inherit commonFileActions checkForRemainingFiles;
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}
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