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