diff options
Diffstat (limited to 't/test-lib-functions.sh')
| -rw-r--r-- | t/test-lib-functions.sh | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 502f892fad..5eb57914ab 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -14,7 +14,7 @@ # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program. If not, see http://www.gnu.org/licenses/ . +# along with this program. If not, see https://www.gnu.org/licenses/ . # The semantics of the editor variables are that of invoking # sh -c "$EDITOR \"$@\"" files ... @@ -251,6 +251,61 @@ debug () { done } +# Usage: test_ref_exists [options] <ref> +# +# -C <dir>: +# Run all git commands in directory <dir> +# +# This helper function checks whether a reference exists. Symrefs or object IDs +# will not be resolved. Can be used to check references with bad names. +test_ref_exists () { + local indir= + + while test $# != 0 + do + case "$1" in + -C) + indir="$2" + shift + ;; + *) + break + ;; + esac + shift + done && + + indir=${indir:+"$indir"/} && + + if test "$#" != 1 + then + BUG "expected exactly one reference" + fi && + + git ${indir:+ -C "$indir"} show-ref --exists "$1" +} + +# Behaves the same as test_ref_exists, except that it checks for the absence of +# a reference. This is preferable to `! test_ref_exists` as this function is +# able to distinguish actually-missing references from other, generic errors. +test_ref_missing () { + test_ref_exists "$@" + case "$?" in + 2) + # This is the good case. + return 0 + ;; + 0) + echo >&4 "test_ref_missing: reference exists" + return 1 + ;; + *) + echo >&4 "test_ref_missing: generic error" + return 1 + ;; + esac +} + # Usage: test_commit [options] <message> [<file> [<contents> [<tag>]]] # -C <dir>: # Run all git commands in directory <dir> |