t9300: factor out portable "head -c" replacement

diff --git a/t/lib-git-p4.sh b/t/lib-git-p4.sh
index ce3536e4a02fb000ed2404f4c7c4c26bb8ea9d99..54fd5a6ca02757f77004d0f8babfcc6d616162c0 100644 (file)
--- a/t/lib-git-p4.sh
+++ b/t/lib-git-p4.sh
@@ -50,7 +50,7 @@ native_path () {
 # at runtime (e.g. via NTP). The 'clock_gettime(CLOCK_MONOTONIC)'
 # function could fix that but it is not in Python until 3.3.
 time_in_seconds () {
-       python -c 'import time; print int(time.time())'
+       (cd / && "$PYTHON_PATH" -c 'import time; print(int(time.time()))')
 }
 
 # Try to pick a unique port: guess a large number, then hope
@@ -207,9 +207,10 @@ marshal_dump () {
        cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
        import marshal
        import sys
+       instream = getattr(sys.stdin, 'buffer', sys.stdin)
        for i in range($line):
-           d = marshal.load(sys.stdin)
-       print d['$what']
+           d = marshal.load(instream)
+       print(d[b'$what'].decode('utf-8'))
        EOF
        "$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
 }