git-migrate-fast.sh

   1 #!/bin/bash
   2 set -e
   3
   4 SVN=${1:-/mit/xvm/svn}
   5
   6 mako-render rules.mako > rules
   7
   8 rm git -rf
   9 mkdir git
  10 cd git
  11
  12 sed -n 's/^create repository // p' ../rules | while read repo; do
  13     mkdir -p "$repo" && GIT_DIR="$repo" git init --bare
  14 done
  15
  16 svn-all-fast-export --identity-map <(sed 's/= //' ../authors) ../rules "$SVN"
  17
  18 sed -n 's/^create repository // p' ../rules | while read repo; do
  19     ! [ -e "$repo/refs/heads/tags" ] || \
  20         cp -a "$repo/refs/heads/tags/." "$repo/refs/tags" && \
  21         rm -rf "$repo/refs/heads/tags"
  22 done
  23
  24 pushd packages/invirt-remote.git
  25 echo $(git rev-parse 0.2.0 invirt-remote-server invirt-remote-host) >> info/grafts
  26 git filter-branch --tag-name-filter cat -- ^invirt-remote-server ^invirt-remote-host --all
  27 rm -rf info/grafts refs/original refs/heads/invirt-remote-server refs/heads/invirt-remote-host
  28 popd
  29
  30 pushd packages/invirt-console.git
  31 echo $(git rev-parse 0.2.0 0.2.0^ invirt-console-host) >> info/grafts
  32 git filter-branch --tag-name-filter cat -- ^0.2.0^ ^invirt-console-host --all
  33 rm -rf info/grafts refs/original refs/heads/invirt-console-host
  34 popd
  35
  36 pushd packages/invirt-dns.git
  37 echo $(git rev-parse sipb-xen-dns/1~10 sipb-xen-dns/1~11 dns) >> info/grafts
  38 git filter-branch --tag-name-filter cat -- ^sipb-xen-dns/1~11 ^dns --all
  39 rm -rf info/grafts refs/original refs/heads/dns
  40 popd
  41
  42 pushd packages/libyaml.git
  43 git fetch git://andersk.mit.edu/libyaml.git refs/tags/upstream/0.1.1:refs/tags/upstream/0.1.1 refs/tags/debian/0.1.1-1:refs/tags/debian/0.1.1-1
  44 git branch upstream upstream/0.1.1
  45 echo $(git rev-parse 0.1.1-1_andersk1 debian/0.1.1-1^0) >> info/grafts
  46 git filter-branch --tag-name-filter cat -- ^debian/0.1.1-1 --all
  47 rm -rf info/grafts refs/original
  48 popd
  49
  50 pushd packages/python-routefs.git
  51 git fetch git://github.com/ebroder/python-routefs.git debian:refs/heads/debian
  52 git tag -f 1.0.1-1 2fc1d90
  53 git branch -f master 1.0.1-1
  54 git branch -d debian
  55 popd
  56
  57 echo
  58 echo 'The Git migration was successful.'