tg-import.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # (c) Petr Baudis <pasky@suse.cz>  2008
   4 # (c) Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>  2008
   5 # GPLv2
   6
   7
   8 tg_get_commit_msg()
   9 {
  10         commit="$1"
  11         git log -1 --pretty=format:"From: %an <%ae>%n%n%s%n%n%b" "$commit"
  12 }
  13
  14 tg_get_branch_name()
  15 {
  16         # nice sed script from git-format-patch.sh
  17         commit="$1"
  18         titleScript='
  19         s/[^-a-z.A-Z_0-9]/-/g
  20         s/\.\.\.*/\./g
  21         s/\.*$//
  22         s/--*/-/g
  23         s/^-//
  24         s/-$//
  25         q
  26 '
  27         git log -1 --pretty=format:"%s" "$commit" | sed -e "$titleScript"
  28 }
  29
  30 tg_process_commit()
  31 {
  32         commit="$1"
  33         branch_name=$(tg_get_branch_name "$commit")
  34         echo "Importing $commit to $branch_name"
  35         tg create tp/"$branch_name"
  36         git read-tree "$commit"
  37         tg_get_commit_msg "$commit" > .topmsg
  38         git add -f .topmsg .topdeps
  39         git commit -C "$commit"
  40 }
  41
  42 # nice arg verification stolen from git-format-patch.sh
  43 for revpair
  44 do
  45         case "$revpair" in
  46         ?*..?*)
  47                 rev1=`expr "z$revpair" : 'z\(.*\)\.\.'`
  48                 rev2=`expr "z$revpair" : 'z.*\.\.\(.*\)'`
  49                 ;;
  50         *)
  51                 die "Unknow range spec $revpair"
  52                 ;;
  53         esac
  54         git rev-parse --verify "$rev1^0" >/dev/null 2>&1 ||
  55                 die "Not a valid rev $rev1 ($revpair)"
  56         git rev-parse --verify "$rev2^0" >/dev/null 2>&1 ||
  57                 die "Not a valid rev $rev2 ($revpair)"
  58         git cherry -v "$rev1" "$rev2" |
  59         while read sign rev comment
  60         do
  61                 case "$sign" in
  62                 '-')
  63                         info "Merged already: $comment"
  64                         ;;
  65                 *)
  66                         tg_process_commit "$rev"
  67                         ;;
  68                 esac
  69         done
  70 done