diff options
Diffstat (limited to 'pkgs/build-support/setup-hooks/strip.sh')
-rw-r--r-- | pkgs/build-support/setup-hooks/strip.sh | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/pkgs/build-support/setup-hooks/strip.sh b/pkgs/build-support/setup-hooks/strip.sh index ce41e6ea0562a..49a350af1fa5c 100644 --- a/pkgs/build-support/setup-hooks/strip.sh +++ b/pkgs/build-support/setup-hooks/strip.sh @@ -74,13 +74,17 @@ stripDirs() { echo "stripping (with command $cmd and flags $stripFlags) in $paths" local striperr striperr="$(mktemp --tmpdir="$TMPDIR" 'striperr.XXXXXX')" - # Do not strip lib/debug. This is a directory used by setup-hooks/separate-debug-info.sh. - find $paths -type f "${excludeFlags[@]}" -a '!' -path "$prefix/lib/debug/*" -print0 | - # Make sure we process files under symlinks only once. Otherwise - # 'strip` can corrupt files when writes to them in parallel: - # https://github.com/NixOS/nixpkgs/issues/246147#issuecomment-1657072039 - xargs -r -0 -n1 -- realpath -z | sort -u -z | + # Make sure we process files only once. `strip`ping the same file through different + # links in parallel can corrupt it: + # https://github.com/NixOS/nixpkgs/issues/246147#issuecomment-1657072039 + # Do not strip lib/debug. This is a directory used by setup-hooks/separate-debug-info.sh. + # Print out each file's device and inode (which will be the same if two files are hardlinked + # or are the same file found through different symlinks), followed by its path... + find $paths -type f "${excludeFlags[@]}" -a '!' -path "$prefix/lib/debug/*" -printf '%D-%i,%p\0' | + # ... sort/uniq by device/inode, then cut them out and keep the path, ... + sort -t, -k1,1 -u -z | cut -d, -f2- -z | + # and finally strip each unique path in parallel. xargs -r -0 -n1 -P "$NIX_BUILD_CORES" -- $cmd $stripFlags 2>"$striperr" || exit_code=$? # xargs exits with status code 123 if some but not all of the # processes fail. We don't care if some of the files couldn't |