Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
cache.h | 3 +++
dir.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
dir.h | 1 +
read-cache.c | 12 +++++++++
4 files changed, 101 insertions(+)
diff --git a/cache.h b/cache.h
index dcf3a2a..b14d6e2 100644
--- a/cache.h
+++ b/cache.h
@@ -297,6 +297,8 @@ static inline unsigned int canon_mode(unsigned int mode)
#define SPLIT_INDEX_ORDERED (1 << 6)
struct split_index;
+struct untracked_cache;
+
struct index_state {
struct cache_entry **cache;
unsigned int version;
@@ -310,6 +312,7 @@ struct index_state {
struct hashmap name_hash;
struct hashmap dir_hash;
unsigned char sha1[20];
+ struct untracked_cache *untracked;
};
extern struct index_state the_index;
diff --git a/dir.c b/dir.c
index 5936c84..4e15f20 100644
--- a/dir.c
+++ b/dir.c
@@ -12,6 +12,7 @@
#include "refs.h"
#include "wildmatch.h"
#include "pathspec.h"
+#include "varint.h"
struct path_simplify {
int len;
@@ -2138,3 +2139,87 @@ void clear_directory(struct dir_struct *dir)
}
strbuf_release(&dir->basebuf);
}
+
+struct ondisk_untracked_cache {
+ struct stat_data info_exclude_stat;
+ struct stat_data excludes_file_stat;
+ uint32_t dir_flags;
+ unsigned char info_exclude_sha1[20];
+ unsigned char excludes_file_sha1[20];
+ char exclude_per_dir[1];
+};
+
+static void stat_data_to_disk(struct stat_data *to, const struct stat_data *from)
+{
+ to->sd_ctime.sec = htonl(from->sd_ctime.sec);
+ to->sd_ctime.nsec = htonl(from->sd_ctime.nsec);
+ to->sd_mtime.sec = htonl(from->sd_mtime.sec);
+ to->sd_mtime.nsec = htonl(from->sd_mtime.nsec);
+ to->sd_dev = htonl(from->sd_dev);
+ to->sd_ino = htonl(from->sd_ino);
+ to->sd_uid = htonl(from->sd_uid);
+ to->sd_gid = htonl(from->sd_gid);
+ to->sd_size = htonl(from->sd_size);
+}
+
+static void write_one_dir(struct strbuf *out, struct untracked_cache_dir *untracked)
+{
+ struct stat_data stat_data;
+ unsigned char intbuf[16];
+ unsigned int intlen, value;
+ int i;
+
+ stat_data_to_disk(&stat_data, &untracked->stat_data);
+ strbuf_add(out, &stat_data, sizeof(stat_data));
+ strbuf_add(out, untracked->exclude_sha1, 20);
+
+ /*
+ * untracked_nr should be reset whenever valid is clear, but
+ * for safety..
+ */
+ if (!untracked->valid) {
+ untracked->untracked_nr = 0;
+ untracked->check_only = 0;
+ }
+
+ value = untracked->valid;
+ value |= untracked->check_only << 1;
+ value |= untracked->untracked_nr << 2;
+ intlen = encode_varint(value, intbuf);
+ strbuf_add(out, intbuf, intlen);
+
+ /* skip non-recurse directories */
+ for (i = 0, value = 0; i < untracked->dirs_nr; i++)
+ if (untracked->dirs[i]->recurse)
+ value++;
+ intlen = encode_varint(value, intbuf);
+ strbuf_add(out, intbuf, intlen);
+
+ strbuf_add(out, untracked->name, strlen(untracked->name) + 1);
+
+ for (i = 0; i < untracked->untracked_nr; i++)
+ strbuf_add(out, untracked->untracked[i],
+ strlen(untracked->untracked[i]) + 1);
+
+ for (i = 0; i < untracked->dirs_nr; i++)
+ if (untracked->dirs[i]->recurse)
+ write_one_dir(out, untracked->dirs[i]);
+}
+
+void write_untracked_extension(struct strbuf *out, struct untracked_cache *untracked)
+{
+ struct ondisk_untracked_cache *ouc;
+ int len = 0;
+ if (untracked->exclude_per_dir)
+ len = strlen(untracked->exclude_per_dir);
+ ouc = xmalloc(sizeof(*ouc) + len);
+ stat_data_to_disk(&ouc->info_exclude_stat, &untracked->ss_info_exclude.stat);
+ stat_data_to_disk(&ouc->excludes_file_stat, &untracked->ss_excludes_file.stat);
+ hashcpy(ouc->info_exclude_sha1, untracked->ss_info_exclude.sha1);
+ hashcpy(ouc->excludes_file_sha1, untracked->ss_excludes_file.sha1);
+ ouc->dir_flags = htonl(untracked->dir_flags);
+ memcpy(ouc->exclude_per_dir, untracked->exclude_per_dir, len + 1);
+ strbuf_add(out, ouc, sizeof(*ouc) + len);
+ if (untracked->root)
+ write_one_dir(out, untracked->root);
+}
diff --git a/dir.h b/dir.h
index 5c688da..c771057 100644
--- a/dir.h
+++ b/dir.h
@@ -298,4 +298,5 @@ static inline int dir_path_match(const struct dir_entry *ent,
has_trailing_dir);
}
+void write_untracked_extension(struct strbuf *out, struct untracked_cache *untracked);
#endif
diff --git a/read-cache.c b/read-cache.c
index 6f0057f..26e938d 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -37,6 +37,7 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
#define CACHE_EXT_TREE 0x54524545 /* "TREE" */
#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUC" */
#define CACHE_EXT_LINK 0x6c696e6b /* "link" */
+#define CACHE_EXT_UNTRACKED 0x554E5452 /* "UNTR" */
/* changes that can be kept in $GIT_DIR/index (basically all extensions) */
#define EXTMASK (RESOLVE_UNDO_CHANGED | CACHE_TREE_CHANGED | \
@@ -2016,6 +2017,17 @@ static int do_write_index(struct index_state *istate, int newfd,
if (err)
return -1;
}
+ if (istate->untracked) {
+ struct strbuf sb = STRBUF_INIT;
+
+ write_untracked_extension(&sb, istate->untracked);
+ err = write_index_ext_header(&c, newfd, CACHE_EXT_UNTRACKED,
+ sb.len) < 0 ||
+ ce_write(&c, newfd, sb.buf, sb.len) < 0;
+ strbuf_release(&sb);
+ if (err)
+ return -1;
+ }
if (ce_flush(&c, newfd, istate->sha1) || fstat(newfd, &st))
return -1;
--
2.1.0.rc0.78.gc0d8480
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