purge-packages.sh

   1 #!/bin/sh
   2 # Purges packages/ checkouts
   3 #
   4 # - if package has clean state, the dir is cleaned up (moved to purge dir)
   5 # - otherwise git gc is called if CALL_GC=yes
   6 # Stashes aside packages/ that do not have .git dir
   7 # - these dirs are usually created by rpmbuild if Name does not match .spec file
   8
   9 set -e
  10
  11 CALL_GC=${CALL_GC:-no}
  12
  13 topdir="${1:-$(rpm -E %_topdir)}"
  14 topdir=$(readlink -f "$topdir")
  15 purgedir=$topdir/purged
  16 stashdir=$topdir/stashed
  17 cd "$topdir"
  18
  19 echo "Purging in $topdir, press ENTER to continue"
  20 read a
  21
  22 if [ -d "$purgedir" ]; then
  23         echo >&2 "Previous pruge dir exists: $purgedir, remove it to continue"
  24         exit 1
  25 fi
  26
  27 install -d $purgedir
  28 for pkg in */.git; do
  29         continue
  30         pkg=${pkg%/.git}
  31         cd "$pkg"
  32         purge='yes'
  33
  34         status=$(git status --porcelain)
  35         stash=$(git stash list)
  36
  37         # FIXME: does not currently handle if some pushes are not made!
  38         if [ -n "$status" ] || [ -n "$stash" ]; then
  39                 cat <<-EOF
  40                 * Package $pkg - Untracked files or stash not empty.
  41                 $status
  42                 EOF
  43                 purge='no'
  44                 [ "$CALL_GC" != 'no' ] && git gc
  45         fi
  46         git show-ref --heads |\
  47         { while read sha1 branch; do
  48                 short_branch=${branch#refs/heads/}
  49                 if ! upstream=$(git rev-parse -q --verify $short_branch@{u}) 2>/dev/null; then
  50                         echo "* Package $pkg - Branch $short_branch has not defined upstream"
  51                         purge='no'
  52                         continue
  53                 fi
  54                 if [ -n "$(git rev-list "$upstream..$branch")" ]; then
  55                         echo "* Package $pkg - Branch $short_branch is not fully merged to its upstream"
  56                         purge='no'
  57                         continue
  58                 fi
  59         done
  60         if [ "$purge" = 'yes' ]; then
  61                 cat <<-EOF
  62                 * Package $pkg - State clean. Purging
  63                 EOF
  64                 mv ../$pkg $purgedir
  65         fi }
  66         cd ..
  67 done
  68
  69 rmdir --ignore-fail-on-non-empty $purgedir
  70
  71 # go over packages that do not have .git
  72 if [ -d "$stashdir" ]; then
  73         echo >&2 "Previous stash dir exists: $stashdir, remove it to continue"
  74         exit 1
  75 fi
  76 install -d $stashdir
  77 stashdir=$(readlink -f $stashdir)
  78 for pkg in */; do
  79         # skip symlinks
  80         test -L "${pkg%/}" && continue
  81         # skip packages which do have .git
  82         test -d "$pkg/.git" && continue
  83         # skip if it's the stash dir itself
  84         pkg=$(readlink -f $pkg)
  85         test "$pkg" = "$stashdir" && continue
  86
  87         echo "* Package $pkg does not have .git, stashing"
  88         mv $pkg $stashdir
  89 done
  90 rmdir --ignore-fail-on-non-empty $stashdir
  91
  92 # vi:syntax=sh:ts=4:sw=4:noet