tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1fixupOutputHooks+=('if [ -z "${dontGzipMan-}" ]; then compressManPages "$prefix"; fi')
2
3compressManPages() {
4 local dir="$1"
5
6 if [ -L "$dir"/share ] || [ -L "$dir"/share/man ] || [ ! -d "$dir/share/man" ]
7 then return
8 fi
9 echo "gzipping man pages under $dir/share/man/"
10
11 # Compress all uncompressed manpages. Don't follow symlinks, etc.
12 # gzip -f is needed to not error out on hard links.
13 find "$dir"/share/man/ -type f -a '!' -regex '.*\.\(bz2\|gz\|xz\)$' -print0 \
14 | xargs -0 -n1 -P "$NIX_BUILD_CORES" gzip -f
15
16 # Point symlinks to compressed manpages.
17 find "$dir"/share/man/ -type l -a '!' -regex '.*\.\(bz2\|gz\|xz\)$' -print0 \
18 | sort -z \
19 | while IFS= read -r -d $'\0' f
20 do
21 local target
22 target="$(readlink -f "$f")"
23 if [ -f "$target".gz ]; then
24 ln -sf "$target".gz "$f".gz && rm "$f"
25 fi
26 done
27}