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Merge branch 'sg/rerere-gc-old-still-used' into maint

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* sg/rerere-gc-old-still-used:
  rerere: fix overeager gc
  mingw_utime(): handle NULL times parameter
This commit is contained in:
Junio C Hamano 2010-09-01 13:57:23 -07:00
commit c7f649a794
4 changed files with 41 additions and 11 deletions
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21
builtin/rerere.c
View File

@ -19,6 +19,12 @@ static time_t rerere_created_at(const char *name)
return stat(rerere_path(name, "preimage"), &st) ? (time_t) 0 : st.st_mtime;
}
static time_t rerere_last_used_at(const char *name)
{
struct stat st;
return stat(rerere_path(name, "postimage"), &st) ? (time_t) 0 : st.st_mtime;
}
static void unlink_rr_item(const char *name)
{
unlink(rerere_path(name, "thisimage"));
@ -53,11 +59,16 @@ static void garbage_collect(struct string_list *rr)
while ((e = readdir(dir))) {
if (is_dot_or_dotdot(e->d_name))
continue;
then = rerere_created_at(e->d_name);
if (!then)
continue;
cutoff = (has_rerere_resolution(e->d_name)
? cutoff_resolve : cutoff_noresolve);
then = rerere_last_used_at(e->d_name);
if (then) {
cutoff = cutoff_resolve;
} else {
then = rerere_created_at(e->d_name);
if (!then)
continue;
cutoff = cutoff_noresolve;
}
if (then < now - cutoff * 86400)
string_list_append(&to_remove, e->d_name);
}

9
compat/mingw.c
View File

@ -304,8 +304,13 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
goto revert_attrs;
}
time_t_to_filetime(times->modtime, &mft);
time_t_to_filetime(times->actime, &aft);
if (times) {
time_t_to_filetime(times->modtime, &mft);
time_t_to_filetime(times->actime, &aft);
} else {
GetSystemTimeAsFileTime(&mft);
aft = mft;
}
if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
errno = EINVAL;
rc = -1;

8
rerere.c
View File

@ -378,7 +378,13 @@ static int merge(const char *name, const char *path)
}
ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", 0);
if (!ret) {
FILE *f = fopen(path, "w");
FILE *f;
if (utime(rerere_path(name, "postimage"), NULL) < 0)
warning("failed utime() on %s: %s",
rerere_path(name, "postimage"),
strerror(errno));
f = fopen(path, "w");
if (!f)
return error("Could not open %s: %s", path,
strerror(errno));

14
t/t4200-rerere.sh
View File

@ -132,6 +132,8 @@ test_expect_success 'commit succeeds' \
test_expect_success 'recorded postimage' "test -f $rr/postimage"
oldmtimepost=$(test-chmtime -v -60 $rr/postimage |cut -f 1)
test_expect_success 'another conflicting merge' '
git checkout -b third master &&
git show second^:a1 | sed "s/To die: t/To die! T/" > a1 &&
@ -144,6 +146,11 @@ test_expect_success 'rerere kicked in' "! grep ^=======$ a1"
test_expect_success 'rerere prefers first change' 'test_cmp a1 expect'
test_expect_success 'rerere updates postimage timestamp' '
newmtimepost=$(test-chmtime -v +0 $rr/postimage |cut -f 1) &&
test $oldmtimepost -lt $newmtimepost
'
rm $rr/postimage
echo "$sha1 a1" | perl -pe 'y/\012/\000/' > .git/MERGE_RR
@ -165,15 +172,16 @@ just_over_15_days_ago=$((-1-15*86400))
almost_60_days_ago=$((60-60*86400))
just_over_60_days_ago=$((-1-60*86400))
test-chmtime =$almost_60_days_ago $rr/preimage
test-chmtime =$just_over_60_days_ago $rr/preimage
test-chmtime =$almost_60_days_ago $rr/postimage
test-chmtime =$almost_15_days_ago $rr2/preimage
test_expect_success 'garbage collection (part1)' 'git rerere gc'
test_expect_success 'young records still live' \
test_expect_success 'young or recently used records still live' \
"test -f $rr/preimage && test -f $rr2/preimage"
test-chmtime =$just_over_60_days_ago $rr/preimage
test-chmtime =$just_over_60_days_ago $rr/postimage
test-chmtime =$just_over_15_days_ago $rr2/preimage
test_expect_success 'garbage collection (part2)' 'git rerere gc'