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1: included from 6002 and others
2
50e5a252 3mkdir -p .git/refs/tags
ce11895d 4
50e5a252 5>sed.script
ce11895d 6
cbc5cf7c 7# Answer the sha1 has associated with the tag. The tag must exist under refs/tags
50e5a252 8tag () {
ce11895d 9 _tag=$1
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10 git rev-parse --verify "refs/tags/$_tag" ||
11 error "tag: \"$_tag\" does not exist"
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12}
13
14# Generate a commit using the text specified to make it unique and the tree
15# named by the tag specified.
50e5a252 16unique_commit () {
ce11895d 17 _text=$1
50e5a252 18 _tree=$2
ce11895d 19 shift 2
50e5a252 20 echo "$_text" | git commit-tree $(tag "$_tree") "$@"
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21}
22
23# Save the output of a command into the tag specified. Prepend
28346d2d 24# a substitution script for the tag onto the front of sed.script
50e5a252 25save_tag () {
a6080a0a 26 _tag=$1
50e5a252 27 test -n "$_tag" || error "usage: save_tag tag commit-args ..."
ce11895d 28 shift 1
50e5a252 29 "$@" >".git/refs/tags/$_tag"
f6069c59 30
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31 echo "s/$(tag $_tag)/$_tag/g" >sed.script.tmp
32 cat sed.script >>sed.script.tmp
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33 rm sed.script
34 mv sed.script.tmp sed.script
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35}
36
98e023de 37# Replace unhelpful sha1 hashes with their symbolic equivalents
50e5a252 38entag () {
28346d2d 39 sed -f sed.script
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40}
41
42# Execute a command after first saving, then setting the GIT_AUTHOR_EMAIL
43# tag to a specified value. Restore the original value on return.
50e5a252 44as_author () {
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45 _author=$1
46 shift 1
50e5a252 47 _save=$GIT_AUTHOR_EMAIL
ce11895d 48
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49 GIT_AUTHOR_EMAIL="$_author"
50 export GIT_AUTHOR_EMAIL
ce11895d 51 "$@"
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52 if test -z "$_save"
53 then
54 unset GIT_AUTHOR_EMAIL
55 else
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56 GIT_AUTHOR_EMAIL="$_save"
57 export GIT_AUTHOR_EMAIL
47e013f9 58 fi
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59}
60
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61commit_date () {
62 _commit=$1
63 git cat-file commit $_commit |
64 sed -n "s/^committer .*> \([0-9]*\) .*/\1/p"
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65}
66
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67# Assign the value of fake date to a variable, but
68# allow fairly common "1971-08-16 00:00" to be omittd
69assign_fake_date () {
70 case "$2" in
71 ??:??:??) eval "$1='1971-08-16 $2'" ;;
72 ??:??) eval "$1='1971-08-16 00:$2'" ;;
73 ??) eval "$1='1971-08-16 00:00:$2'" ;;
74 *) eval "$1='$2'" ;;
75 esac
76}
77
50e5a252 78on_committer_date () {
841dc693 79 assign_fake_date GIT_COMMITTER_DATE "$1"
50e5a252 80 export GIT_COMMITTER_DATE
841dc693 81 shift 1
50e5a252 82 "$@"
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83}
84
85on_dates () {
86 assign_fake_date GIT_COMMITTER_DATE "$1"
87 assign_fake_date GIT_AUTHOR_DATE "$2"
88 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
89 shift 2
90 "$@"
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91}
92
93# Execute a command and suppress any error output.
50e5a252 94hide_error () {
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95 "$@" 2>/dev/null
96}
97
50e5a252 98check_output () {
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99 _name=$1
100 shift 1
50e5a252 101 if eval "$*" | entag >"$_name.actual"
ce11895d 102 then
50e5a252 103 test_cmp "$_name.expected" "$_name.actual"
ce11895d 104 else
50e5a252 105 return 1
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106 fi
107}
108
109# Turn a reasonable test description into a reasonable test name.
110# All alphanums translated into -'s which are then compressed and stripped
111# from front and back.
50e5a252 112name_from_description () {
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113 perl -pe '
114 s/[^A-Za-z0-9.]/-/g;
115 s/-+/-/g;
116 s/-$//;
117 s/^-//;
118 y/A-Z/a-z/;
119 '
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120}
121
122
123# Execute the test described by the first argument, by eval'ing
124# command line specified in the 2nd argument. Check the status code
a6080a0a 125# is zero and that the output matches the stream read from
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126# stdin.
127test_output_expect_success()
a6080a0a 128{
ce11895d 129 _description=$1
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130 _test=$2
131 test $# -eq 2 ||
132 error "usage: test_output_expect_success description test <<EOF ... EOF"
133
134 _name=$(echo $_description | name_from_description)
135 cat >"$_name.expected"
a6080a0a 136 test_expect_success "$_description" "check_output $_name \"$_test\""
ce11895d 137}