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104 lines
2.6 KiB
104 lines
2.6 KiB
/* |
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* Licensed under a two-clause BSD-style license. |
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* See LICENSE for details. |
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*/ |
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#include "git-compat-util.h" |
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#include "fast_export.h" |
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#include "line_buffer.h" |
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#include "repo_tree.h" |
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#include "string_pool.h" |
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#define MAX_GITSVN_LINE_LEN 4096 |
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static uint32_t first_commit_done; |
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static struct line_buffer report_buffer = LINE_BUFFER_INIT; |
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void fast_export_init(int fd) |
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{ |
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if (buffer_fdinit(&report_buffer, fd)) |
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die_errno("cannot read from file descriptor %d", fd); |
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} |
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void fast_export_deinit(void) |
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{ |
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if (buffer_deinit(&report_buffer)) |
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die_errno("error closing fast-import feedback stream"); |
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} |
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void fast_export_reset(void) |
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{ |
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buffer_reset(&report_buffer); |
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} |
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void fast_export_delete(uint32_t depth, uint32_t *path) |
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{ |
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putchar('D'); |
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putchar(' '); |
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pool_print_seq(depth, path, '/', stdout); |
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putchar('\n'); |
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} |
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void fast_export_modify(uint32_t depth, uint32_t *path, uint32_t mode, |
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uint32_t mark) |
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{ |
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/* Mode must be 100644, 100755, 120000, or 160000. */ |
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printf("M %06"PRIo32" :%"PRIu32" ", mode, mark); |
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pool_print_seq(depth, path, '/', stdout); |
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putchar('\n'); |
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} |
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static char gitsvnline[MAX_GITSVN_LINE_LEN]; |
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void fast_export_commit(uint32_t revision, uint32_t author, char *log, |
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uint32_t uuid, uint32_t url, |
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unsigned long timestamp) |
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{ |
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if (!log) |
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log = ""; |
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if (~uuid && ~url) { |
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snprintf(gitsvnline, MAX_GITSVN_LINE_LEN, |
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"\n\ngit-svn-id: %s@%"PRIu32" %s\n", |
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pool_fetch(url), revision, pool_fetch(uuid)); |
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} else { |
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*gitsvnline = '\0'; |
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} |
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printf("commit refs/heads/master\n"); |
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printf("committer %s <%s@%s> %ld +0000\n", |
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~author ? pool_fetch(author) : "nobody", |
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~author ? pool_fetch(author) : "nobody", |
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~uuid ? pool_fetch(uuid) : "local", timestamp); |
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printf("data %"PRIu32"\n%s%s\n", |
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(uint32_t) (strlen(log) + strlen(gitsvnline)), |
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log, gitsvnline); |
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if (!first_commit_done) { |
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if (revision > 1) |
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printf("from refs/heads/master^0\n"); |
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first_commit_done = 1; |
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} |
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repo_diff(revision - 1, revision); |
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fputc('\n', stdout); |
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printf("progress Imported commit %"PRIu32".\n\n", revision); |
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} |
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static const char *get_response_line(void) |
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{ |
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const char *line = buffer_read_line(&report_buffer); |
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if (line) |
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return line; |
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if (buffer_ferror(&report_buffer)) |
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die_errno("error reading from fast-import"); |
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die("unexpected end of fast-import feedback"); |
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} |
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void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len, struct line_buffer *input) |
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{ |
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if (mode == REPO_MODE_LNK) { |
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/* svn symlink blobs start with "link " */ |
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buffer_skip_bytes(input, 5); |
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len -= 5; |
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} |
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printf("blob\nmark :%"PRIu32"\ndata %"PRIu32"\n", mark, len); |
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buffer_copy_bytes(input, len); |
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fputc('\n', stdout); |
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}
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