git/t/t1401-symbolic-ref.sh
Junio C Hamano e572fef9d4 Merge branch 'ep/shell-command-substitution-style'
A shell script style update to change `command substitution` into
$(command substitution).  Coverts contrib/ and much of the t/
directory contents.

* ep/shell-command-substitution-style: (92 commits)
  t9901-git-web--browse.sh: use the $( ... ) construct for command substitution
  t9501-gitweb-standalone-http-status.sh: use the $( ... ) construct for command substitution
  t9350-fast-export.sh: use the $( ... ) construct for command substitution
  t9300-fast-import.sh: use the $( ... ) construct for command substitution
  t9150-svk-mergetickets.sh: use the $( ... ) construct for command substitution
  t9145-git-svn-master-branch.sh: use the $( ... ) construct for command substitution
  t9138-git-svn-authors-prog.sh: use the $( ... ) construct for command substitution
  t9137-git-svn-dcommit-clobber-series.sh: use the $( ... ) construct for command substitution
  t9132-git-svn-broken-symlink.sh: use the $( ... ) construct for command substitution
  t9130-git-svn-authors-file.sh: use the $( ... ) construct for command substitution
  t9129-git-svn-i18n-commitencoding.sh: use the $( ... ) construct for command substitution
  t9119-git-svn-info.sh: use the $( ... ) construct for command substitution
  t9118-git-svn-funky-branch-names.sh: use the $( ... ) construct for command substitution
  t9114-git-svn-dcommit-merge.sh: use the $( ... ) construct for command substitution
  t9110-git-svn-use-svm-props.sh: use the $( ... ) construct for command substitution
  t9109-git-svn-multi-glob.sh: use the $( ... ) construct for command substitution
  t9108-git-svn-glob.sh: use the $( ... ) construct for command substitution
  t9107-git-svn-migrate.sh: use the $( ... ) construct for command substitution
  t9105-git-svn-commit-diff.sh: use the $( ... ) construct for command substitution
  t9104-git-svn-follow-parent.sh: use the $( ... ) construct for command substitution
  ...
2016-01-22 13:08:46 -08:00

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#!/bin/sh
test_description='basic symbolic-ref tests'
. ./test-lib.sh
# If the tests munging HEAD fail, they can break detection of
# the git repo, meaning that further tests will operate on
# the surrounding git repo instead of the trash directory.
reset_to_sane() {
echo ref: refs/heads/foo >.git/HEAD
}
test_expect_success 'symbolic-ref writes HEAD' '
git symbolic-ref HEAD refs/heads/foo &&
echo ref: refs/heads/foo >expect &&
test_cmp expect .git/HEAD
'
test_expect_success 'symbolic-ref reads HEAD' '
echo refs/heads/foo >expect &&
git symbolic-ref HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'symbolic-ref refuses non-ref for HEAD' '
test_must_fail git symbolic-ref HEAD foo
'
reset_to_sane
test_expect_success 'symbolic-ref refuses bare sha1' '
echo content >file && git add file && git commit -m one &&
test_must_fail git symbolic-ref HEAD $(git rev-parse HEAD)
'
reset_to_sane
test_expect_success 'symbolic-ref deletes HEAD' '
git symbolic-ref -d HEAD &&
test_path_is_file .git/refs/heads/foo &&
test_path_is_missing .git/HEAD
'
reset_to_sane
test_expect_success 'symbolic-ref deletes dangling HEAD' '
git symbolic-ref HEAD refs/heads/missing &&
git symbolic-ref -d HEAD &&
test_path_is_missing .git/refs/heads/missing &&
test_path_is_missing .git/HEAD
'
reset_to_sane
test_expect_success 'symbolic-ref fails to delete missing FOO' '
echo "fatal: Cannot delete FOO, not a symbolic ref" >expect &&
test_must_fail git symbolic-ref -d FOO >actual 2>&1 &&
test_cmp expect actual
'
reset_to_sane
test_expect_success 'symbolic-ref fails to delete real ref' '
echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect &&
test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 &&
test_path_is_file .git/refs/heads/foo &&
test_cmp expect actual
'
reset_to_sane
test_expect_success 'create large ref name' '
# make 256+ character ref; some systems may not handle that,
# so be gentle
long=0123456789abcdef &&
long=$long/$long/$long/$long &&
long=$long/$long/$long/$long &&
long_ref=refs/heads/$long &&
tree=$(git write-tree) &&
commit=$(echo foo | git commit-tree $tree) &&
if git update-ref $long_ref $commit; then
test_set_prereq LONG_REF
else
echo >&2 "long refs not supported"
fi
'
test_expect_success LONG_REF 'symbolic-ref can point to large ref name' '
git symbolic-ref HEAD $long_ref &&
echo $long_ref >expect &&
git symbolic-ref HEAD >actual &&
test_cmp expect actual
'
test_expect_success LONG_REF 'we can parse long symbolic ref' '
echo $commit >expect &&
git rev-parse --verify HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'symbolic-ref reports failure in exit code' '
test_when_finished "rm -f .git/HEAD.lock" &&
>.git/HEAD.lock &&
test_must_fail git symbolic-ref HEAD refs/heads/whatever
'
test_expect_success 'symbolic-ref writes reflog entry' '
git checkout -b log1 &&
test_commit one &&
git checkout -b log2 &&
test_commit two &&
git checkout --orphan orphan &&
git symbolic-ref -m create HEAD refs/heads/log1 &&
git symbolic-ref -m update HEAD refs/heads/log2 &&
cat >expect <<-\EOF &&
update
create
EOF
git log --format=%gs -g >actual &&
test_cmp expect actual
'
test_done