[PATCH 2/6] move odb_* declarations out of git-compat-util.h

[Jeff King <peff@peff.net>]

These functions were originally conceived as wrapper
functions similar to xmkstemp(). They were later moved by
463db9b10 (wrapper: move odb_* to environment.c,
2010-11-06). The more appropriate place for a declaration is
in cache.h.

While we're at it, let's add some basic docstrings.

Signed-off-by: Jeff King <peff@peff.net>
---
 cache.h           | 12 ++++++++++++
 git-compat-util.h |  2 --
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/cache.h b/cache.h
index c95826971..68ad06e15 100644
--- a/cache.h
+++ b/cache.h
@@ -1634,6 +1634,18 @@ extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
 
 extern void pack_report(void);
 
+/*
+ * Create a temporary file rooted in the object database directory.
+ */
+extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
+
+/*
+ * Create a pack .keep file in the object database's pack directory, for
+ * a pack with checksum "sha1". The return value is a file descriptor opened
+ * for writing, or -1 on error. The name of the keep file is written to "name".
+ */
+extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
+
 /*
  * mmap the index file for the specified packfile (if it is not
  * already mmapped).  Return 0 on success.
diff --git a/git-compat-util.h b/git-compat-util.h
index e626851fe..8a4a3f85e 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -798,8 +798,6 @@ extern FILE *xfopen(const char *path, const char *mode);
 extern FILE *xfdopen(int fd, const char *mode);
 extern int xmkstemp(char *template);
 extern int xmkstemp_mode(char *template, int mode);
-extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
-extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
 extern char *xgetcwd(void);
 extern FILE *fopen_for_writing(const char *path);
 
-- 
2.12.0.613.g6e7c52a0d