get_sha1_basic(): corner case ambiguity fix

[git.git] / t / t0000-basic.sh

diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index bc3e711..ffa723e 100755 (executable)
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -205,4 +205,52 @@ test_expect_success \
     'no diff after checkout and git-update-index --refresh.' \
     'git-diff-files >current && cmp -s current /dev/null'
 
+
+# extended sha1 parsing and ambiguity resolution
+
+GIT_AUTHOR_DATE='1995-01-29T16:00:00 -0800'
+GIT_AUTHOR_EMAIL=a.u.thor@example.com
+GIT_AUTHOR_NAME='A U Thor'
+GIT_COMMITTER_DATE='1995-01-29T16:00:00 -0800'
+GIT_COMMITTER_EMAIL=c.o.mmitter@example.com
+GIT_COMMITTER_NAME='C O Mmitter'
+export GIT_AUTHOR_DATE
+export GIT_AUTHOR_EMAIL
+export GIT_AUTHOR_NAME
+export GIT_COMMITTER_DATE
+export GIT_COMMITTER_EMAIL
+export GIT_COMMITTER_NAME
+
+test_expect_success \
+       'initial commit.' \
+       'commit=$(echo Initial commit | git-commit-tree $tree) &&
+        echo "$commit" >.git/refs/heads/master &&
+        git-ls-tree HEAD &&
+        test "$commit" = 51a092e9ef6cbbe66d258acd17599d3f80be6162'
+
+test_expect_success \
+       'Ambiguous' \
+       'echo "$commit" >.git/refs/heads/nasty &&
+        echo "$commit" >.git/refs/tags/nasty &&
+        if git-rev-parse --verify nasty
+        then
+               echo "should have barfed"
+               false
+        else
+               :
+        fi &&
+        # names directly underneath .git/ should not interfere
+        echo "$commit" >.git/refs/heads/description &&
+        git-rev-parse --verify description &&
+        # broken object name
+        echo fffffffffffffffffffffffffffffffffffffffg \
+               >.git/refs/heads/nasty &&
+        if git-rev-parse --verify nasty
+        then
+               echo "should have barfed"
+               false
+        else
+               :
+        fi'
+
 test_done