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[PATCH 05/12] vcs-svn: simplify repo_modify_path and repo_copy

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Mar 6, 2011, 23:09 UTC
Message-ID
<20110306230923.GG24327@elie>
In-Reply-To
<20110306225419.GA24327@elie>
Date: Fri, 10 Dec 2010 00:53:54 -0600
Restrict the repo_tree API to functions that are actually needed.
 - decouple reading the mode and content of dirents from other
   operations.
 - remove repo_modify_path.  It is only used to read the mode from
   dirents.
 - remove the ability to use repo_read_mode on a missing path.  The
   existing code only errors out in that case, anyway.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: David Barr <david.barr@cordelta.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 vcs-svn/repo_tree.c |   27 ++++++++++-----------------
 vcs-svn/repo_tree.h |    4 ++--
 vcs-svn/svndump.c   |    4 +---
 3 files changed, 13 insertions(+), 22 deletions(-)
diff --git a/vcs-svn/repo_tree.c b/vcs-svn/repo_tree.c
index 23a9371..036a686 100644
--- a/vcs-svn/repo_tree.c
+++ b/vcs-svn/repo_tree.c
@@ -106,7 +106,7 @@ static struct repo_dirent *repo_read_dirent(uint32_t revision,
 	return dent;
 }
 
-static void repo_write_dirent(uint32_t *path, uint32_t mode,
+static void repo_write_dirent(const uint32_t *path, uint32_t mode,
 			      uint32_t content_offset, uint32_t del)
 {
 	uint32_t name, revision, dir_o = ~0, parent_dir_o = ~0;
@@ -167,7 +167,15 @@ uint32_t repo_read_path(const uint32_t *path)
 	return content_offset;
 }
 
-uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst)
+uint32_t repo_read_mode(const uint32_t *path)
+{
+	struct repo_dirent *dent = repo_read_dirent(active_commit, path);
+	if (dent == NULL)
+		die("invalid dump: path to be modified is missing");
+	return dent->mode;
+}
+
+void repo_copy(uint32_t revision, const uint32_t *src, const uint32_t *dst)
 {
 	uint32_t mode = 0, content_offset = 0;
 	struct repo_dirent *src_dent;
@@ -177,7 +185,6 @@ uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst)
 		content_offset = src_dent->content_offset;
 		repo_write_dirent(dst, mode, content_offset, 0);
 	}
-	return mode;
 }
 
 void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark)
@@ -185,20 +192,6 @@ void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark)
 	repo_write_dirent(path, mode, blob_mark, 0);
 }
 
-uint32_t repo_modify_path(uint32_t *path, uint32_t mode, uint32_t blob_mark)
-{
-	struct repo_dirent *src_dent;
-	src_dent = repo_read_dirent(active_commit, path);
-	if (!src_dent)
-		return 0;
-	if (!blob_mark)
-		blob_mark = src_dent->content_offset;
-	if (!mode)
-		mode = src_dent->mode;
-	repo_write_dirent(path, mode, blob_mark, 0);
-	return mode;
-}
-
 void repo_delete(uint32_t *path)
 {
 	repo_write_dirent(path, 0, 0, 1);
diff --git a/vcs-svn/repo_tree.h b/vcs-svn/repo_tree.h
index 3202bbe..11d48c2 100644
--- a/vcs-svn/repo_tree.h
+++ b/vcs-svn/repo_tree.h
@@ -12,10 +12,10 @@
 #define REPO_MAX_PATH_DEPTH 1000
 
 uint32_t next_blob_mark(void);
-uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst);
+void repo_copy(uint32_t revision, const uint32_t *src, const uint32_t *dst);
 void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark);
-uint32_t repo_modify_path(uint32_t *path, uint32_t mode, uint32_t blob_mark);
 uint32_t repo_read_path(const uint32_t *path);
+uint32_t repo_read_mode(const uint32_t *path);
 void repo_delete(uint32_t *path);
 void repo_commit(uint32_t revision, uint32_t author, char *log, uint32_t uuid,
 		 uint32_t url, long unsigned timestamp);
diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index f07376f..e6d84ba 100644
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -235,9 +235,7 @@ static void handle_node(void)
 		uint32_t mode;
 		if (!have_text)
 			mark = repo_read_path(node_ctx.dst);
-		mode = repo_modify_path(node_ctx.dst, 0, 0);
-		if (!mode)
-			die("invalid dump: path to be modified is missing");
+		mode = repo_read_mode(node_ctx.dst);
 		if (mode == REPO_MODE_DIR && type != REPO_MODE_DIR)
 			die("invalid dump: cannot modify a directory into a file");
 		if (mode != REPO_MODE_DIR && type == REPO_MODE_DIR)
-- 
1.7.4.1
Previous: Jonathan NiederNext: Jonathan Nieder
Message 26 of 37 in “vcs-svn: prepare for (implement?) incremental import”
  1. 00/10 vcs-svn: prepare for (implement?) incremental importJonathan Nieder, Dec 10, 2010
  2. 01/10 vcs-svn: use higher mark numbers for blobsJonathan Nieder, Dec 10, 2010
  3. 02/10 vcs-svn: save marks for imported commitsJonathan Nieder, Dec 10, 2010
  4. Jonathan NiederMar 6, 2011
  5. 03/10 vcs-svn: introduce cat_mark function to retrieve a marked blobJonathan Nieder, Dec 10, 2010
  6. 04/10 vcs-svn: make apply_delta caller retrieve preimageJonathan Nieder, Dec 10, 2010
  7. 05/10 vcs-svn: split off function to export result from delta applicationJonathan Nieder, Dec 10, 2010
  8. 06/10 vcs-svn: do not rely on marks for old blobsJonathan Nieder, Dec 10, 2010
  9. 07/10 vcs-svn: split off function to make 'ls' requestsJonathan Nieder, Dec 10, 2010
  10. 08/10 vcs-svn: prepare to eliminate repo_tree structureJonathan Nieder, Dec 10, 2010
  11. vcs-svn: prepare to eliminate repo_tree structureJonathan Nieder, Mar 6, 2011
  12. David BarrMar 6, 2011
  13. 09/10 vcs-svn: simplifications for repo_modify_path et alJonathan Nieder, Dec 10, 2010
  14. 10/10 vcs-svn: eliminate repo_tree structureJonathan Nieder, Dec 10, 2010
  15. 12/10 vcs-svn: quote paths correctly for ls commandDavid Michael Barr, Dec 11, 2010
  16. vcs-svn: quote all paths passed to fast-importJonathan Nieder, Dec 11, 2010
  17. 13/10 vcs-svn: use mark from previous import for parent commitDavid Michael Barr, Dec 12, 2010
  18. Jonathan NiederDec 12, 2010
  19. 00/12 vcs-svn: incremental importJonathan Nieder, Mar 6, 2011
  20. 01/12 vcs-svn: use higher mark numbers for blobsJonathan Nieder, Mar 6, 2011
  21. Junio C HamanoMar 8, 2011
  22. Jonathan NiederMar 9, 2011
  23. 02/12 vcs-svn: save marks for imported commitsJonathan Nieder, Mar 6, 2011
  24. 03/12 vcs-svn: introduce repo_read_path to check the content at a pathJonathan Nieder, Mar 6, 2011
  25. 04/12 vcs-svn: handle_node: use repo_read_pathJonathan Nieder, Mar 6, 2011
  26. 05/12 vcs-svn: simplify repo_modify_path and repo_copyJonathan Nieder, Mar 6, 2011
  27. 06/12 vcs-svn: add a comment before each commitJonathan Nieder, Mar 6, 2011
  28. 07/12 vcs-svn: allow input errors to be detected promptlyJonathan Nieder, Mar 6, 2011
  29. 08/12 vcs-svn: set up channel to read fast-import cat-blob responseJonathan Nieder, Mar 6, 2011
  30. 09/12 vcs-svn: eliminate repo_tree structureJonathan Nieder, Mar 6, 2011
  31. 10/12 vcs-svn: quote paths correctly for ls commandJonathan Nieder, Mar 6, 2011
  32. 11/12 vcs-svn: handle filenames with dq correctlyJonathan Nieder, Mar 6, 2011
  33. 12/12 vcs-svn: use mark from previous import for parent commitJonathan Nieder, Mar 6, 2011
  34. Sverre RabbelierMar 7, 2011
  35. Jonathan NiederMar 7, 2011
  36. fast-import: treat filemodify with empty tree as deleteJonathan Nieder, Dec 11, 2010
  37. vcs-svn: avoid git-isms in fast-import streamJonathan Nieder, Dec 11, 2010

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