1[-d .git/refs/tags ] ||mkdir-p .git/refs/tags 2 3sed_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:\"$_tag\"does not exist" 10cat .git/refs/tags/$_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=$2 19shift2 20echo$_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 ..." 29shift1 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 35entag() 36{ 37sed"$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. 42as_author() 43{ 44 _author=$1 45shift1 46 _save=$GIT_AUTHOR_EMAIL 47 48export GIT_AUTHOR_EMAIL="$_author" 49"$@" 50export GIT_AUTHOR_EMAIL="$_save" 51} 52 53commit_date() 54{ 55 _commit=$1 56 git-cat-file commit $_commit|sed-n"s/^committer .*> \([0-9]*\) .*/\1/p" 57} 58 59on_committer_date() 60{ 61 _date=$1 62shift1 63 GIT_COMMITTER_DATE=$_date"$@" 64} 65 66# Execute a command and suppress any error output. 67hide_error() 68{ 69"$@"2>/dev/null 70} 71 72check_output() 73{ 74 _name=$1 75shift1 76ifeval"$*"| entag >$_name.actual 77then 78diff$_name.expected $_name.actual 79else 80return1; 81fi 82} 83 84# Turn a reasonable test description into a reasonable test name. 85# All alphanums translated into -'s which are then compressed and stripped 86# from front and back. 87name_from_description() 88{ 89tr"'"'-'|tr'~`!@#$%^&*()_+={}[]|\;:"<>,/? ''-'|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. 97test_output_expect_success() 98{ 99 _description=$1 100 _test=$2 101[$#-eq2] || error "usage: test_output_expect_success description test <<EOF ... EOF" 102 _name=$(echo $_description | name_from_description) 103cat>$_name.expected 104 test_expect_success "$_description""check_output$_name\"$_test\"" 105}