[PATCH 2/2] git-p4: remove bash-ism in t9800

[Pete Wyckoff <pw@xxxxxxxx>]

This works in both bash and dash:

    arf$ bash -c 'VAR=1 env' | grep VAR
    VAR=1
    arf$ dash -c 'VAR=1 env' | grep VAR
    VAR=1

But the variables are not propagated through a function
in dash:

    arf$ bash -c 'f() { "$@"
    }; VAR=1 f "env"' | grep VAR
    VAR=1
    arf$ dash -c 'f() { "$@"
    }; VAR=1 f "env"' | grep VAR

Fix constructs like this, in particular, setting variables
through test_must_fail.

Based-on-patch-by: Vitor Antunes <vitor.hda@xxxxxxxxx>
Signed-off-by: Pete Wyckoff <pw@xxxxxxxx>
---
 t/t9800-git-p4-basic.sh |   25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/t/t9800-git-p4-basic.sh b/t/t9800-git-p4-basic.sh
index 04ee20e..9f17cdb 100755
--- a/t/t9800-git-p4-basic.sh
+++ b/t/t9800-git-p4-basic.sh
@@ -234,8 +234,11 @@ test_expect_success 'refuse to preserve users without perms' '
 		git config git-p4.skipSubmitEditCheck true &&
 		echo "username-noperms: a change by alice" >>file1 &&
 		git commit --author "Alice <alice@localhost>" -m "perms: a change by alice" file1 &&
-		P4EDITOR=touch P4USER=bob P4PASSWD=secret test_must_fail "$GITP4" commit --preserve-user &&
-		test_must_fail git diff --exit-code HEAD..p4/master
+		# dashism: test_must_fail does not propagate variables
+		P4EDITOR=touch P4USER=bob P4PASSWD=secret &&
+		export P4EDITOR P4USER P4PASSWD &&
+		test_must_fail "$GITP4" commit --preserve-user &&
+		! git diff --exit-code HEAD..p4/master
 	)
 '
 
@@ -250,13 +253,15 @@ test_expect_success 'preserve user where author is unknown to p4' '
 		git commit --author "Bob <bob@localhost>" -m "preserve: a change by bob" file1 &&
 		echo "username-unknown: a change by charlie" >>file1 &&
 		git commit --author "Charlie <charlie@localhost>" -m "preserve: a change by charlie" file1 &&
-		P4EDITOR=touch P4USER=alice P4PASSWD=secret test_must_fail "$GITP4" commit --preserve-user &&
-		test_must_fail git diff --exit-code HEAD..p4/master &&
+		P4EDITOR=touch P4USER=alice P4PASSWD=secret &&
+		export P4EDITOR P4USER P4PASSWD &&
+		test_must_fail "$GITP4" commit --preserve-user &&
+		! git diff --exit-code HEAD..p4/master &&
 
 		echo "$0: repeat with allowMissingP4Users enabled" &&
 		git config git-p4.allowMissingP4Users true &&
 		git config git-p4.preserveUser true &&
-		P4EDITOR=touch P4USER=alice P4PASSWD=secret "$GITP4" commit &&
+		"$GITP4" commit &&
 		git diff --exit-code HEAD..p4/master &&
 		p4_check_commit_author file1 alice
 	)
@@ -275,20 +280,22 @@ test_expect_success 'not preserving user with mixed authorship' '
 		p4_add_user derek Derek &&
 
 		make_change_by_user usernamefile3 Derek derek@localhost &&
-		P4EDITOR=cat P4USER=alice P4PASSWD=secret "$GITP4" commit |\
+		P4EDITOR=cat P4USER=alice P4PASSWD=secret &&
+		export P4EDITOR P4USER P4PASSWD &&
+		"$GITP4" commit |\
 		grep "git author derek@localhost does not match" &&
 
 		make_change_by_user usernamefile3 Charlie charlie@localhost &&
-		P4EDITOR=cat P4USER=alice P4PASSWD=secret "$GITP4" commit |\
+		"$GITP4" commit |\
 		grep "git author charlie@localhost does not match" &&
 
 		make_change_by_user usernamefile3 alice alice@localhost &&
-		P4EDITOR=cat P4USER=alice P4PASSWD=secret "$GITP4" |\
+		"$GITP4" commit |\
 		test_must_fail grep "git author.*does not match" &&
 
 		git config git-p4.skipUserNameCheck true &&
 		make_change_by_user usernamefile3 Charlie charlie@localhost &&
-		P4EDITOR=cat P4USER=alice P4PASSWD=secret "$GITP4" commit |\
+		"$GITP4" commit |\
 		test_must_fail grep "git author.*does not match" &&
 
 		p4_check_commit_author usernamefile3 alice
-- 
1.7.9.2.288.g74b75

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