Andrew's git / gitweb.git /
01f796e9c827aff02c3161ac940626dd4d8edb9b
   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
   6tag()
   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.
  15unique_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
  25save_tag()
  26{
  27        _tag=$1 
  28        [ -n "$_tag" ] || error "usage: save_tag tag commit-args ..."
  29        shift 1
  30        "$@" >.git/refs/tags/$_tag
  31
  32        echo "s/$(tag $_tag)/$_tag/g" > sed.script.tmp
  33        cat sed.script >> sed.script.tmp
  34        rm sed.script
  35        mv sed.script.tmp sed.script
  36}
  37
  38# Replace unhelpful sha1 hashses with their symbolic equivalents 
  39entag()
  40{
  41        sed -f sed.script
  42}
  43
  44# Execute a command after first saving, then setting the GIT_AUTHOR_EMAIL
  45# tag to a specified value. Restore the original value on return.
  46as_author()
  47{
  48        _author=$1
  49        shift 1
  50        _save=$GIT_AUTHOR_EMAIL
  51
  52        export GIT_AUTHOR_EMAIL="$_author"
  53        "$@"
  54        export GIT_AUTHOR_EMAIL="$_save"
  55}
  56
  57commit_date()
  58{
  59        _commit=$1
  60        git-cat-file commit $_commit | sed -n "s/^committer .*> \([0-9]*\) .*/\1/p" 
  61}
  62
  63on_committer_date()
  64{
  65    _date=$1
  66    shift 1
  67    GIT_COMMITTER_DATE=$_date "$@"
  68}
  69
  70# Execute a command and suppress any error output.
  71hide_error()
  72{
  73        "$@" 2>/dev/null
  74}
  75
  76check_output()
  77{
  78        _name=$1
  79        shift 1
  80        if eval "$*" | entag > $_name.actual
  81        then
  82                diff $_name.expected $_name.actual
  83        else
  84                return 1;
  85        fi
  86}
  87
  88# Turn a reasonable test description into a reasonable test name.
  89# All alphanums translated into -'s which are then compressed and stripped
  90# from front and back.
  91name_from_description()
  92{
  93        tr "'" '-' | tr '~`!@#$%^&*()_+={}[]|\;:"<>,/? ' '-' | tr -s '-' | tr '[A-Z]' '[a-z]' | sed "s/^-*//;s/-*\$//"
  94}
  95
  96
  97# Execute the test described by the first argument, by eval'ing
  98# command line specified in the 2nd argument. Check the status code
  99# is zero and that the output matches the stream read from 
 100# stdin.
 101test_output_expect_success()
 102{       
 103        _description=$1
 104        _test=$2
 105        [ $# -eq 2 ] || error "usage: test_output_expect_success description test <<EOF ... EOF"
 106        _name=$(echo $_description | name_from_description)
 107        cat > $_name.expected
 108        test_expect_success "$_description" "check_output $_name \"$_test\"" 
 109}