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