[PATCH 2/2] test-lib-functions: use user's TERM and HOME for 'debug'

From: Philippe Blain <redacted>

The 'debug' function in test-lib-functions.sh is used to invoke a
debugger at a specific line in a test. It inherits the value of HOME and
TERM set by 'test-lib.sh': HOME="$TRASH_DIRECTORY" and TERM=dumb.

Changing the value of HOME means that any customization configured in a
developers' debugger configuration file (like $HOME/.gdbinit or
$HOME/.lldbinit) are not available in the debugger invoked by
'test_pause'.

Changing the value of TERM to 'dumb' means that colored output
is disabled in the debugger.

To make the debugging experience with 'debug' more pleasant, leverage
the variables USER_HOME and USER_TERM, added in the previous commit, to
set HOME and TERM before invoking the debugger.

Signed-off-by: Philippe Blain <redacted>
---
 t/test-lib-functions.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 662cfc4c3e0..86680b1177d 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh

@@ -163,7 +163,7 @@ debug () {
 		GIT_DEBUGGER=1
 		;;
 	esac &&
-	GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
+	TERM="$USER_TERM" HOME="$USER_HOME" GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
 }
 
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