pack-objects: document about thread synchronization

diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh
index d97d2bebc9850c8ba96a8263ed081fced2ecc153..8417e5a4b105a54a8de23af8bae2bdaf28c257cb 100755 (executable)
--- a/t/t4200-rerere.sh
+++ b/t/t4200-rerere.sh
@@ -166,7 +166,7 @@ test_expect_success 'first postimage wins' '
        git commit -q -a -m "prefer first over second" &&
        test -f $rr/postimage &&
 
-       oldmtimepost=$(test-chmtime -v -60 $rr/postimage | cut -f 1) &&
+       oldmtimepost=$(test-tool chmtime --get -60 $rr/postimage) &&
 
        git checkout -b third master &&
        git show second^:a1 | sed "s/To die: t/To die! T/" >a1 &&
@@ -179,7 +179,7 @@ test_expect_success 'first postimage wins' '
 '
 
 test_expect_success 'rerere updates postimage timestamp' '
-       newmtimepost=$(test-chmtime -v +0 $rr/postimage | cut -f 1) &&
+       newmtimepost=$(test-tool chmtime --get $rr/postimage) &&
        test $oldmtimepost -lt $newmtimepost
 '
 
@@ -220,9 +220,9 @@ test_expect_success 'set up for garbage collection tests' '
        almost_60_days_ago=$((60-60*86400)) &&
        just_over_60_days_ago=$((-1-60*86400)) &&
 
-       test-chmtime =$just_over_60_days_ago $rr/preimage &&
-       test-chmtime =$almost_60_days_ago $rr/postimage &&
-       test-chmtime =$almost_15_days_ago $rr2/preimage
+       test-tool chmtime =$just_over_60_days_ago $rr/preimage &&
+       test-tool chmtime =$almost_60_days_ago $rr/postimage &&
+       test-tool chmtime =$almost_15_days_ago $rr2/preimage
 '
 
 test_expect_success 'gc preserves young or recently used records' '
@@ -232,8 +232,8 @@ test_expect_success 'gc preserves young or recently used records' '
 '
 
 test_expect_success 'old records rest in peace' '
-       test-chmtime =$just_over_60_days_ago $rr/postimage &&
-       test-chmtime =$just_over_15_days_ago $rr2/preimage &&
+       test-tool chmtime =$just_over_60_days_ago $rr/postimage &&
+       test-tool chmtime =$just_over_15_days_ago $rr2/preimage &&
        git rerere gc &&
        ! test -f $rr/preimage &&
        ! test -f $rr2/preimage
@@ -243,14 +243,14 @@ rerere_gc_custom_expiry_test () {
        five_days="$1" right_now="$2"
        test_expect_success "rerere gc with custom expiry ($five_days, $right_now)" '
                rm -fr .git/rr-cache &&
-               rr=.git/rr-cache/$_z40 &&
+               rr=.git/rr-cache/$ZERO_OID &&
                mkdir -p "$rr" &&
                >"$rr/preimage" &&
                >"$rr/postimage" &&
 
                two_days_ago=$((-2*86400)) &&
-               test-chmtime =$two_days_ago "$rr/preimage" &&
-               test-chmtime =$two_days_ago "$rr/postimage" &&
+               test-tool chmtime =$two_days_ago "$rr/preimage" &&
+               test-tool chmtime =$two_days_ago "$rr/postimage" &&
 
                find .git/rr-cache -type f | sort >original &&
 
@@ -512,7 +512,7 @@ test_expect_success 'multiple identical conflicts' '
        count_pre_post 2 0 &&
 
        # Pretend that the conflicts were made quite some time ago
-       find .git/rr-cache/ -type f | xargs test-chmtime -172800 &&
+       test-tool chmtime -172800 $(find .git/rr-cache/ -type f) &&
 
        # Unresolved entries have not expired yet
        git -c gc.rerereresolved=5 -c gc.rerereunresolved=5 rerere gc &&
@@ -568,7 +568,7 @@ test_expect_success 'multiple identical conflicts' '
        git rerere &&
 
        # Pretend that the resolutions are old again
-       find .git/rr-cache/ -type f | xargs test-chmtime -172800 &&
+       test-tool chmtime -172800 $(find .git/rr-cache/ -type f) &&
 
        # Resolved entries have not expired yet
        git -c gc.rerereresolved=5 -c gc.rerereunresolved=5 rerere gc &&