t/t6000-lib.sh

   1 [ -d .git/refs/tags ] || mkdir -p .git/refs/tags
   2
   3 sed_script="";
   4
   5 # Answer the sha1 has associated with the tag. The tag must exist in .git or .git/refs/tags
   6 tag()
   7 {
   8         _tag=$1
   9         [ -f .git/refs/tags/$_tag ] || error "tag: \"$_tag\" does not exist"
  10         cat .git/refs/tags/$_tag
  11 }
  12
  13 # Generate a commit using the text specified to make it unique and the tree
  14 # named by the tag specified.
  15 unique_commit()
  16 {
  17         _text=$1
  18         _tree=$2
  19         shift 2
  20         echo $_text | git-commit-tree $(tag $_tree) "$@"
  21 }
  22
  23 # Save the output of a command into the tag specified. Prepend
  24 # a substitution script for the tag onto the front of $sed_script
  25 save_tag()
  26 {
  27         _tag=$1
  28         [ -n "$_tag" ] || error "usage: save_tag tag commit-args ..."
  29         shift 1
  30         "$@" >.git/refs/tags/$_tag
  31         sed_script="s/$(tag $_tag)/$_tag/g${sed_script+;}$sed_script"
  32 }
  33
  34 # Replace unhelpful sha1 hashses with their symbolic equivalents
  35 entag()
  36 {
  37         sed "$sed_script"
  38 }
  39
  40 # Execute a command after first saving, then setting the GIT_AUTHOR_EMAIL
  41 # tag to a specified value. Restore the original value on return.
  42 as_author()
  43 {
  44         _author=$1
  45         shift 1
  46         _save=$GIT_AUTHOR_EMAIL
  47
  48         export GIT_AUTHOR_EMAIL="$_author"
  49         "$@"
  50         export GIT_AUTHOR_EMAIL="$_save"
  51 }
  52
  53 commit_date()
  54 {
  55         _commit=$1
  56         git-cat-file commit $_commit | sed -n "s/^committer .*> \([0-9]*\) .*/\1/p"
  57 }
  58
  59 on_committer_date()
  60 {
  61     _date=$1
  62     shift 1
  63     GIT_COMMITTER_DATE=$_date "$@"
  64 }
  65
  66 # Execute a command and suppress any error output.
  67 hide_error()
  68 {
  69         "$@" 2>/dev/null
  70 }
  71
  72 check_output()
  73 {
  74         _name=$1
  75         shift 1
  76         if eval "$*" | entag > $_name.actual
  77         then
  78                 diff $_name.expected $_name.actual
  79         else
  80                 return 1;
  81         fi
  82 }
  83
  84 # Turn a reasonable test description into a reasonable test name.
  85 # All alphanums translated into -'s which are then compressed and stripped
  86 # from front and back.
  87 name_from_description()
  88 {
  89         tr "'" '-' | tr '~`!@#$%^&*()_+={}[]|\;:"<>,/? ' '-' | tr -s '-' | tr '[A-Z]' '[a-z]' | sed "s/^-*//;s/-*\$//"
  90 }
  91
  92
  93 # Execute the test described by the first argument, by eval'ing
  94 # command line specified in the 2nd argument. Check the status code
  95 # is zero and that the output matches the stream read from
  96 # stdin.
  97 test_output_expect_success()
  98 {
  99         _description=$1
 100         _test=$2
 101         [ $# -eq 2 ] || error "usage: test_output_expect_success description test <<EOF ... EOF"
 102         _name=$(echo $_description | name_from_description)
 103         cat > $_name.expected
 104         test_expect_success "$_description" "check_output $_name \"$_test\""
 105 }