purge-packages.sh

   1 #!/bin/sh
   2 # Purges packages/ checkouts
   3 # - if package has clean state, the dir is removed
   4 # - otherwise git gc is called
   5 set -e
   6
   7 CALL_GC=${CALL_GC:-'no'}
   8
   9 topdir=$(rpm -E %_topdir)
  10 purgedir=$topdir/purged
  11 cd "$topdir"
  12
  13 echo "Purging in $topdir, press ENTER to continue"
  14 read a
  15
  16 if [ -d "$purgedir" ]; then
  17         echo >&2 "Previous pruge dir exists: $purgedir, remove it to resume"
  18         exit 1
  19 fi
  20
  21 install -d $purgedir
  22 for pkg in */.git; do
  23         pkg=${pkg%/.git}
  24         cd "$pkg"
  25         purge='yes'
  26
  27         status=$(git status --porcelain)
  28         stash=$(git stash list)
  29
  30         # FIXME: does not currently handle if some pushes are not made!
  31         if [ -n "$status" ] || [ -n "$stash" ]; then
  32                 cat <<-EOF
  33                 * Package $pkg - Untracked files or stash not empty.
  34                 $status
  35                 EOF
  36                 purge='no'
  37                 [ "$CALL_GC" != 'no' ] && git gc
  38         fi
  39         git show-ref --heads |\
  40         { while read sha1 branch; do
  41                 short_branch=${branch#refs/heads/}
  42                 if ! upstream=$(git rev-parse -q --verify $short_branch@{u}) 2>/dev/null; then
  43                         echo "* Package $pkg - Branch $short_branch has not defined upstream"
  44                         purge='no'
  45                         continue
  46                 fi
  47                 if [ -n "$(git rev-list "$upstream..$branch")" ]; then
  48                         echo "* Package $pkg - Branch $short_branch is not fully merged to its upstream"
  49                         purge='no'
  50                         continue
  51                 fi
  52         done
  53         if [ "$purge" = 'yes' ]; then
  54                 cat <<-EOF
  55                 * Package $pkg - State clean. Removing
  56                 EOF
  57                 mv ../$pkg $purgedir
  58         fi }
  59         cd ..
  60 done
  61
  62 rmdir --ignore-fail-on-non-empty $purgedir
  63
  64 # vi:syntax=sh:ts=4:sw=4:noet