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vcs-svn: Combine repo_replace and repo_modify functions

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There are two functions to change the staged content for a path in the
svn importer's active commit: repo_replace, which changes the text and
returns the mode, and repo_modify, which changes the text and mode and
returns nothing.

Worse, there are more subtle differences:

 - A mark of 0 passed to repo_modify means "use the existing content".
   repo_replace uses it as mark :0 and produces a corrupt stream.

 - When passed a path that is not part of the active commit,
   repo_replace returns without doing anything.  repo_modify
   transparently adds a new directory entry.

Get rid of both and introduce a new function with the best features of
both: repo_modify_path modifies the mode, content, or both for a path,
depending on which arguments are zero.  If no such dirent already
exists, it does nothing and reports the error by returning 0.
Otherwise, the return value is the resulting mode.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2010-11-19 18:51:50 -06:00 committed by Junio C Hamano
parent 6ee4a9be48
commit 08c39b5c44
3 changed files with 12 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
vcs-svn/repo_tree.c
View File

@ -175,25 +175,18 @@ void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark)
repo_write_dirent(path, mode, blob_mark, 0);
}
uint32_t repo_replace(uint32_t *path, uint32_t blob_mark)
{
uint32_t mode = 0;
struct repo_dirent *src_dent;
src_dent = repo_read_dirent(active_commit, path);
if (src_dent != NULL) {
mode = src_dent->mode;
repo_write_dirent(path, mode, blob_mark, 0);
}
return mode;
}
void repo_modify(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)
{
struct repo_dirent *src_dent;
src_dent = repo_read_dirent(active_commit, path);
if (src_dent != NULL && blob_mark == 0)
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)

3
vcs-svn/repo_tree.h
View File

@ -14,8 +14,7 @@
uint32_t next_blob_mark(void);
uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst);
void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark);
uint32_t repo_replace(uint32_t *path, uint32_t blob_mark);
void repo_modify(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);
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);

8
vcs-svn/svndump.c
View File

@ -182,14 +182,14 @@ static void handle_node(void)
if (node_ctx.action == NODEACT_CHANGE) {
if (have_props)
repo_modify(node_ctx.dst, node_ctx.type, mark);
repo_modify_path(node_ctx.dst, node_ctx.type, mark);
else if (mark)
old_mode = repo_replace(node_ctx.dst, mark);
old_mode = repo_modify_path(node_ctx.dst, 0, mark);
} else if (node_ctx.action == NODEACT_ADD) {
if (node_ctx.srcRev && have_props)
repo_modify(node_ctx.dst, node_ctx.type, mark);
repo_modify_path(node_ctx.dst, node_ctx.type, mark);
else if (node_ctx.srcRev && mark)
old_mode = repo_replace(node_ctx.dst, mark);
old_mode = repo_modify_path(node_ctx.dst, 0, mark);
else if ((node_ctx.type == REPO_MODE_DIR && !node_ctx.srcRev) ||
mark)
repo_add(node_ctx.dst, node_ctx.type, mark);