undef/git-commit-vandalism
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vcs-svn: add a comment before each commit

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Current svn-fe produces output like this:

	blob
	mark :7382321
	data 5
	hello

	blob
	mark :7382322
	data 5
	Hello

	commit
	mark :3
[...]
	M 100644 :7382321 hello.c
	M 100644 :7382322 hello2.c

This means svn-fe has to keep track of the paths modified in each
commit and the corresponding marks, instead of dealing with each file
as it arrives in input and then forgetting about it.  A better
strategy would be to use inline blobs:

	commit
	mark :3
[...]
	M 100644 inline hello.c
	data 5
	hello
[...]

As a first step towards that, teach svn-fe to notice when the
collection of blobs for each commit starts and write a comment
("# commit 3.") there.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
This commit is contained in:
Jonathan Nieder 2011-01-04 21:53:33 -06:00
parent 78e1a3ff23
commit 7e11902c99
3 changed files with 28 additions and 7 deletions
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5
vcs-svn/fast_export.c
View File

@ -48,6 +48,11 @@ void fast_export_modify(uint32_t depth, uint32_t *path, uint32_t mode,
putchar('\n');
}
void fast_export_begin_commit(uint32_t revision)
{
printf("# commit %"PRIu32".\n", revision);
}
static char gitsvnline[MAX_GITSVN_LINE_LEN];
void fast_export_commit(uint32_t revision, uint32_t author, char *log,
uint32_t uuid, uint32_t url,

1
vcs-svn/fast_export.h
View File

@ -10,6 +10,7 @@ void fast_export_reset(void);
void fast_export_delete(uint32_t depth, uint32_t *path);
void fast_export_modify(uint32_t depth, uint32_t *path, uint32_t mode,
uint32_t mark);
void fast_export_begin_commit(uint32_t revision);
void fast_export_commit(uint32_t revision, uint32_t author, char *log,
uint32_t uuid, uint32_t url, unsigned long timestamp);
void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len,

29
vcs-svn/svndump.c
View File

@ -22,9 +22,11 @@
#define NODEACT_CHANGE 1
#define NODEACT_UNKNOWN 0
#define DUMP_CTX 0
#define REV_CTX 1
#define NODE_CTX 2
/* States: */
#define DUMP_CTX 0 /* dump metadata */
#define REV_CTX 1 /* revision metadata */
#define NODE_CTX 2 /* node metadata */
#define INTERNODE_CTX 3 /* between nodes */
#define LENGTH_UNKNOWN (~0)
#define DATE_RFC2822_LEN 31
@ -269,7 +271,14 @@ static void handle_node(void)
node_ctx.textLength, &input);
}
static void handle_revision(void)
static void begin_revision(void)
{
if (!rev_ctx.revision) /* revision 0 gets no git commit. */
return;
fast_export_begin_commit(rev_ctx.revision);
}
static void end_revision(void)
{
if (rev_ctx.revision)
repo_commit(rev_ctx.revision, rev_ctx.author, rev_ctx.log,
@ -303,13 +312,17 @@ void svndump_read(const char *url)
} else if (key == keys.revision_number) {
if (active_ctx == NODE_CTX)
handle_node();
if (active_ctx == REV_CTX)
begin_revision();
if (active_ctx != DUMP_CTX)
handle_revision();
end_revision();
active_ctx = REV_CTX;
reset_rev_ctx(atoi(val));
} else if (key == keys.node_path) {
if (active_ctx == NODE_CTX)
handle_node();
if (active_ctx == REV_CTX)
begin_revision();
active_ctx = NODE_CTX;
reset_node_ctx(val);
} else if (key == keys.node_kind) {
@ -351,7 +364,7 @@ void svndump_read(const char *url)
read_props();
} else if (active_ctx == NODE_CTX) {
handle_node();
active_ctx = REV_CTX;
active_ctx = INTERNODE_CTX;
} else {
fprintf(stderr, "Unexpected content length header: %"PRIu32"\n", len);
buffer_skip_bytes(&input, len);
@ -360,8 +373,10 @@ void svndump_read(const char *url)
}
if (active_ctx == NODE_CTX)
handle_node();
if (active_ctx == REV_CTX)
begin_revision();
if (active_ctx != DUMP_CTX)
handle_revision();
end_revision();
}
int svndump_init(const char *filename)