}
test_set_prereq () {
+ if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL"
+ then
+ case "$1" in
+ # The "!" case is handled below with
+ # test_unset_prereq()
+ !*)
+ ;;
+ # (Temporary?) whitelist of things we can't easily
+ # pretend not to support
+ SYMLINKS)
+ ;;
+ # Inspecting whether GIT_TEST_FAIL_PREREQS is on
+ # should be unaffected.
+ FAIL_PREREQS)
+ ;;
+ *)
+ return
+ esac
+ fi
+
case "$1" in
!*)
test_unset_prereq "${1#!}"
command "$PERL_PATH" "$@" 2>&7
} 7>&2 2>&4
-# Is the value one of the various ways to spell a boolean true/false?
-test_normalize_bool () {
- git -c magic.variable="$1" config --bool magic.variable 2>/dev/null
-}
-
-# Given a variable $1, normalize the value of it to one of "true",
-# "false", or "auto" and store the result to it.
-#
-# test_tristate GIT_TEST_HTTPD
-#
-# A variable set to an empty string is set to 'false'.
-# A variable set to 'false' or 'auto' keeps its value.
-# Anything else is set to 'true'.
-# An unset variable defaults to 'auto'.
-#
-# The last rule is to allow people to set the variable to an empty
-# string and export it to decline testing the particular feature
-# for versions both before and after this change. We used to treat
-# both unset and empty variable as a signal for "do not test" and
-# took any non-empty string as "please test".
-
-test_tristate () {
- if eval "test x\"\${$1+isset}\" = xisset"
- then
- # explicitly set
- eval "
- case \"\$$1\" in
- '') $1=false ;;
- auto) ;;
- *) $1=\$(test_normalize_bool \$$1 || echo true) ;;
- esac
- "
- else
- eval "$1=auto"
- fi
-}
-
# Exit the test suite, either by skipping all remaining tests or by
-# exiting with an error. If "$1" is "auto", we then we assume we were
-# opportunistically trying to set up some tests and we skip. If it is
-# "true", then we report a failure.
+# exiting with an error. If our prerequisite variable $1 falls back
+# on a default assume we were opportunistically trying to set up some
+# tests and we skip. If it is explicitly "true", then we report a failure.
#
# The error/skip message should be given by $2.
#
test_skip_or_die () {
- case "$1" in
- auto)
+ if ! git env--helper --type=bool --default=false --exit-code $1
+ then
skip_all=$2
test_done
- ;;
- true)
- error "$2"
- ;;
- *)
- error "BUG: test tristate is '$1' (real error: $2)"
- esac
+ fi
+ error "$2"
}
# The following mingw_* functions obey POSIX shell syntax, but are actually