hooks/pre-commit.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # (c) Petr Baudis <pasky@suse.cz>  2008
   4 # GPLv2
   5
   6
   7 ## Set up all the tg machinery
   8
   9 set -e
  10 tg__include=1
  11 tg_util() {
  12         . "@bindir@"/tg
  13 }
  14 tg_util
  15
  16
  17 ## Generally have fun
  18
  19 # Don't do anything on non-topgit branch
  20 if head_=$(git symbolic-ref -q HEAD); then
  21         case "$head_" in
  22                 refs/heads/*)
  23                         git rev-parse -q --verify "refs/top-bases${head_#refs/heads}" >/dev/null || exit 0;;
  24                 *)
  25                         exit 0;;
  26         esac
  27
  28 else
  29         exit 0;
  30 fi
  31
  32 check_topfile()
  33 {
  34         local tree file ls_line type size
  35         tree=$1
  36         file=$2
  37
  38         ls_line="$(git ls-tree --long "$tree" "$file")" ||
  39                 die "Can't ls tree for $file"
  40
  41         [ -n "$ls_line" ] ||
  42                 die "$file is missing"
  43
  44         # check for type and size
  45         set -- $ls_line
  46         type=$2
  47         size=$4
  48
  49         # check file is of type blob (file)
  50         [ "x$type" = "xblob" ] ||
  51                 die "$file is not a file"
  52
  53         # check for positive size
  54         [ "$size" -gt 0 ] ||
  55                 die "$file has empty size"
  56 }
  57
  58 tree=$(git write-tree) ||
  59         die "Can't write tree"
  60
  61 check_topfile "$tree" ".topdeps"
  62 check_topfile "$tree" ".topmsg"
  63
  64 # TODO: Verify .topdeps for valid branch names and against cycles