debian/prune-unused-deps

   1 #!/bin/bash
   2 # Run this script in an unpacked upstream tarball directory, and it will update
   3 # (i.e. overwrite) the "unused deps" part of Files-Excluded in d/copyright.
   4
   5 set -e
   6
   7 scriptdir=$(dirname "$(dirname "$(readlink -f "$0")")")
   8 had_config_toml=$(if test -e "$scriptdir/debian/config.toml"; then echo true; else echo false; fi)
   9
  10 ( cd "$scriptdir" && debian/rules debian/config.toml )
  11 cp "$scriptdir/debian/config.toml" config.toml
  12
  13 for i in "$scriptdir/debian/patches"/d-00*.patch; do
  14         "$scriptdir/debian/ensure-patch" -N "$i"
  15 done
  16
  17 test -f Cargo.lock.orig || cp Cargo.lock Cargo.lock.orig
  18 test -f src/bootstrap/Cargo.lock.orig || cp src/bootstrap/Cargo.lock src/bootstrap/Cargo.lock.orig
  19 test -f src/tools/rust-analyzer/Cargo.lock.orig || cp src/tools/rust-analyzer/Cargo.lock src/tools/rust-analyzer/Cargo.lock.orig
  20 test -f src/tools/cargo/Cargo.lock.orig || cp src/tools/cargo/Cargo.lock src/tools/cargo/Cargo.lock.orig
  21 rm -f Cargo.lock src/bootstrap/Cargo.lock src/tools/rust-analyzer/Cargo.lock src/tools/cargo/Cargo.lock
  22
  23 find vendor -name .cargo-checksum.json -execdir "$scriptdir/debian/prune-checksums" "{}" +
  24
  25 # re-generate Cargo.lock after patching
  26 cargo update --offline
  27
  28 # re-generate src/bootstrap/Cargo.lock after patching
  29 (cd src/bootstrap && cargo update --offline)
  30
  31 # re-generate src/tools/rust-analyzer/Cargo.lock after patching
  32 ( cd src/tools/rust-analyzer && cargo update --offline )
  33
  34 # re-generate src/tools/cargo/Cargo.lock after patching
  35 ( cd src/tools/cargo && cargo update --offline )
  36
  37 needed_crates() {
  38         cat Cargo.lock \
  39             src/bootstrap/Cargo.lock \
  40             src/tools/rust-analyzer/Cargo.lock \
  41             src/tools/cargo/Cargo.lock \
  42           | sed -z -e 's/\nname = /name = /g' -e 's/\nversion = /version = /g' \
  43           | sed -ne 's/\[\[package\]\]name = "\(.*\)"version = "\(.*\)"/\1 \2/gp'
  44 }
  45
  46 ghetto_parse_cargo() {
  47         cat "$1" \
  48          | tr '\n' '\t' \
  49          | sed -e 's/\t\[/\n[/g' \
  50          | perl -ne 'print if s/^\[(?:package|project)\].*\tname\s*=\s*"(.*?)".*\tversion\s*=\s*"(.*?)".*/\1 \2/g'
  51 }
  52
  53 pruned_paths() {
  54         for i in vendor/*/Cargo.toml; do
  55                 pkgnamever=
  56                 pkgnamever=$(ghetto_parse_cargo "$i")
  57                 if [ -z "$pkgnamever" ]; then
  58                         echo >&2 "failed to parse: $i"
  59                         exit 1
  60                 fi
  61                 echo "$pkgnamever $i"
  62         done | grep -v -F -f <(needed_crates) | cut '-d ' -f3 | while read x; do
  63                 echo " $(dirname $x)"
  64         done
  65 }
  66
  67 header='# DO NOT EDIT below, AUTOGENERATED'
  68 footer='# DO NOT EDIT above, AUTOGENERATED'
  69 {
  70 echo "$header"
  71 pruned_paths
  72 echo "$footer"
  73 } > $scriptdir/debian/copyright.unused-deps
  74
  75 cd $scriptdir/debian
  76 sed -i -e "/^$header/,/^$footer/d" -e '/^# unused dependencies/rcopyright.unused-deps' copyright
  77 rm copyright.unused-deps
  78 $had_config_toml || rm "$scriptdir/debian/config.toml"