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authorJunio C Hamano <gitster@pobox.com>2012-02-26 23:05:38 -0800
committerJunio C Hamano <gitster@pobox.com>2012-02-26 23:05:38 -0800
commit31e3d834b39b773831c3c3e2637f2d99bfad9cbf (patch)
treed7367ae2ee53e3717a37e1bbe5eb9e264994fa75 /convert.c
parentce25054826693df3f3698ae2a64f706dc59c0a28 (diff)
parent4f22b1015d4203ccdf2b66f27ee5946504342ace (diff)
downloadgit-31e3d834b39b773831c3c3e2637f2d99bfad9cbf.tar.gz
Merge branch 'jk/maint-avoid-streaming-filtered-contents'
* jk/maint-avoid-streaming-filtered-contents: do not stream large files to pack when filters are in use teach dry-run convert_to_git not to require a src buffer teach convert_to_git a "dry run" mode
Diffstat (limited to 'convert.c')
-rw-r--r--convert.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/convert.c b/convert.c
index 33373b3ac0..4534e2c2b0 100644
--- a/convert.c
+++ b/convert.c
@@ -196,9 +196,17 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
char *dst;
if (crlf_action == CRLF_BINARY ||
- (crlf_action == CRLF_GUESS && auto_crlf == AUTO_CRLF_FALSE) || !len)
+ (crlf_action == CRLF_GUESS && auto_crlf == AUTO_CRLF_FALSE) ||
+ (src && !len))
return 0;
+ /*
+ * If we are doing a dry-run and have no source buffer, there is
+ * nothing to analyze; we must assume we would convert.
+ */
+ if (!buf && !src)
+ return 1;
+
gather_stats(src, len, &stats);
if (crlf_action == CRLF_AUTO || crlf_action == CRLF_GUESS) {
@@ -232,6 +240,13 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
if (!stats.cr)
return 0;
+ /*
+ * At this point all of our source analysis is done, and we are sure we
+ * would convert. If we are in dry-run mode, we can give an answer.
+ */
+ if (!buf)
+ return 1;
+
/* only grow if not in place */
if (strbuf_avail(buf) + buf->len < len)
strbuf_grow(buf, len - buf->len);
@@ -396,6 +411,9 @@ static int apply_filter(const char *path, const char *src, size_t len,
if (!cmd)
return 0;
+ if (!dst)
+ return 1;
+
memset(&async, 0, sizeof(async));
async.proc = filter_buffer;
async.data = &params;
@@ -527,9 +545,12 @@ static int ident_to_git(const char *path, const char *src, size_t len,
{
char *dst, *dollar;
- if (!ident || !count_ident(src, len))
+ if (!ident || (src && !count_ident(src, len)))
return 0;
+ if (!buf)
+ return 1;
+
/* only grow if not in place */
if (strbuf_avail(buf) + buf->len < len)
strbuf_grow(buf, len - buf->len);
@@ -759,13 +780,13 @@ int convert_to_git(const char *path, const char *src, size_t len,
filter = ca.drv->clean;
ret |= apply_filter(path, src, len, dst, filter);
- if (ret) {
+ if (ret && dst) {
src = dst->buf;
len = dst->len;
}
ca.crlf_action = input_crlf_action(ca.crlf_action, ca.eol_attr);
ret |= crlf_to_git(path, src, len, dst, ca.crlf_action, checksafe);
- if (ret) {
+ if (ret && dst) {
src = dst->buf;
len = dst->len;
}