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authorJunio C Hamano <gitster@pobox.com>2016-08-19 22:34:14 (GMT)
committerJunio C Hamano <gitster@pobox.com>2016-08-19 22:34:14 (GMT)
commit643b62213e7da395354b578271f37711b6aed61b (patch)
tree2717fddbdc452d5b147c5e2ce8a9207f0a3d46d2
parentaeb1b7f55d5db4eda968de5eb27f04d42df9edc1 (diff)
parenta0ad53c18100226cb1a138cb9b3bc3615170be8f (diff)
downloadgit-643b62213e7da395354b578271f37711b6aed61b.zip
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Merge branch 'tb/t0027-raciness-fix'
The t0027 test for CRLF conversion was timing dependent and flaky. * tb/t0027-raciness-fix: convert: Correct NNO tests and missing `LF will be replaced by CRLF`
-rw-r--r--convert.c97
-rwxr-xr-xt/t0027-auto-crlf.sh6
2 files changed, 60 insertions, 43 deletions
diff --git a/convert.c b/convert.c
index 67d69b5..077f5e6 100644
--- a/convert.c
+++ b/convert.c
@@ -189,33 +189,25 @@ static enum eol output_eol(enum crlf_action crlf_action)
}
static void check_safe_crlf(const char *path, enum crlf_action crlf_action,
- struct text_stat *stats, enum safe_crlf checksafe)
+ struct text_stat *old_stats, struct text_stat *new_stats,
+ enum safe_crlf checksafe)
{
- if (!checksafe)
- return;
-
- if (output_eol(crlf_action) == EOL_LF) {
+ if (old_stats->crlf && !new_stats->crlf ) {
/*
- * CRLFs would not be restored by checkout:
- * check if we'd remove CRLFs
+ * CRLFs would not be restored by checkout
*/
- if (stats->crlf) {
- if (checksafe == SAFE_CRLF_WARN)
- warning("CRLF will be replaced by LF in %s.\nThe file will have its original line endings in your working directory.", path);
- else /* i.e. SAFE_CRLF_FAIL */
- die("CRLF would be replaced by LF in %s.", path);
- }
- } else if (output_eol(crlf_action) == EOL_CRLF) {
+ if (checksafe == SAFE_CRLF_WARN)
+ warning("CRLF will be replaced by LF in %s.\nThe file will have its original line endings in your working directory.", path);
+ else /* i.e. SAFE_CRLF_FAIL */
+ die("CRLF would be replaced by LF in %s.", path);
+ } else if (old_stats->lonelf && !new_stats->lonelf ) {
/*
- * CRLFs would be added by checkout:
- * check if we have "naked" LFs
+ * CRLFs would be added by checkout
*/
- if (stats->lonelf) {
- if (checksafe == SAFE_CRLF_WARN)
- warning("LF will be replaced by CRLF in %s.\nThe file will have its original line endings in your working directory.", path);
- else /* i.e. SAFE_CRLF_FAIL */
- die("LF would be replaced by CRLF in %s", path);
- }
+ if (checksafe == SAFE_CRLF_WARN)
+ warning("LF will be replaced by CRLF in %s.\nThe file will have its original line endings in your working directory.", path);
+ else /* i.e. SAFE_CRLF_FAIL */
+ die("LF would be replaced by CRLF in %s", path);
}
}
@@ -233,12 +225,35 @@ static int has_cr_in_index(const char *path)
return has_cr;
}
+static int will_convert_lf_to_crlf(size_t len, struct text_stat *stats,
+ enum crlf_action crlf_action)
+{
+ if (output_eol(crlf_action) != EOL_CRLF)
+ return 0;
+ /* No "naked" LF? Nothing to convert, regardless. */
+ if (!stats->lonelf)
+ return 0;
+
+ if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) {
+ /* If we have any CR or CRLF line endings, we do not touch it */
+ /* This is the new safer autocrlf-handling */
+ if (stats->lonecr || stats->crlf)
+ return 0;
+
+ if (convert_is_binary(len, stats))
+ return 0;
+ }
+ return 1;
+
+}
+
static int crlf_to_git(const char *path, const char *src, size_t len,
struct strbuf *buf,
enum crlf_action crlf_action, enum safe_crlf checksafe)
{
struct text_stat stats;
char *dst;
+ int convert_crlf_into_lf;
if (crlf_action == CRLF_BINARY ||
(src && !len))
@@ -252,6 +267,8 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
return 1;
gather_stats(src, len, &stats);
+ /* Optimization: No CRLF? Nothing to convert, regardless. */
+ convert_crlf_into_lf = !!stats.crlf;
if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) {
if (convert_is_binary(len, &stats))
@@ -263,12 +280,24 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
if (checksafe == SAFE_CRLF_RENORMALIZE)
checksafe = SAFE_CRLF_FALSE;
else if (has_cr_in_index(path))
- return 0;
+ convert_crlf_into_lf = 0;
}
- check_safe_crlf(path, crlf_action, &stats, checksafe);
-
- /* Optimization: No CRLF? Nothing to convert, regardless. */
- if (!stats.crlf)
+ if (checksafe && len) {
+ struct text_stat new_stats;
+ memcpy(&new_stats, &stats, sizeof(new_stats));
+ /* simulate "git add" */
+ if (convert_crlf_into_lf) {
+ new_stats.lonelf += new_stats.crlf;
+ new_stats.crlf = 0;
+ }
+ /* simulate "git checkout" */
+ if (will_convert_lf_to_crlf(len, &new_stats, crlf_action)) {
+ new_stats.crlf += new_stats.lonelf;
+ new_stats.lonelf = 0;
+ }
+ check_safe_crlf(path, crlf_action, &stats, &new_stats, checksafe);
+ }
+ if (!convert_crlf_into_lf)
return 0;
/*
@@ -314,21 +343,9 @@ static int crlf_to_worktree(const char *path, const char *src, size_t len,
return 0;
gather_stats(src, len, &stats);
-
- /* No "naked" LF? Nothing to convert, regardless. */
- if (!stats.lonelf)
+ if (!will_convert_lf_to_crlf(len, &stats, crlf_action))
return 0;
- if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) {
- /* If we have any CR or CRLF line endings, we do not touch it */
- /* This is the new safer autocrlf-handling */
- if (stats.lonecr || stats.crlf )
- return 0;
-
- if (convert_is_binary(len, &stats))
- return 0;
- }
-
/* are we "faking" in place editing ? */
if (src == buf->buf)
to_free = strbuf_detach(buf, NULL);
diff --git a/t/t0027-auto-crlf.sh b/t/t0027-auto-crlf.sh
index 2860d2d..90db54c 100755
--- a/t/t0027-auto-crlf.sh
+++ b/t/t0027-auto-crlf.sh
@@ -119,8 +119,7 @@ commit_chk_wrnNNO () {
fname=${pfx}_$f.txt &&
cp $f $fname &&
printf Z >>"$fname" &&
- git -c core.autocrlf=$crlf add $fname 2>/dev/null &&
- git -c core.autocrlf=$crlf commit -m "commit_$fname" $fname >"${pfx}_$f.err" 2>&1
+ git -c core.autocrlf=$crlf add $fname 2>"${pfx}_$f.err"
done
test_expect_success "commit NNO files crlf=$crlf attr=$attr LF" '
@@ -417,7 +416,8 @@ commit_chk_wrnNNO "text" "" false "$WILC" "$WICL" "$WAMIX" "$WILC
commit_chk_wrnNNO "text" "" true LF_CRLF "" LF_CRLF LF_CRLF ""
commit_chk_wrnNNO "text" "" input "" CRLF_LF CRLF_LF "" CRLF_LF
-test_expect_success 'create files cleanup' '
+test_expect_success 'commit NNO and cleanup' '
+ git commit -m "commit files on top of NNO" &&
rm -f *.txt &&
git -c core.autocrlf=false reset --hard
'