diff options
-rw-r--r-- | contrib/svn-fe/svn-fe.c | 3 | ||||
-rwxr-xr-x | t/t9010-svn-fe.sh | 703 | ||||
-rw-r--r-- | test-svn-fe.c | 3 | ||||
-rw-r--r-- | vcs-svn/repo_tree.c | 21 | ||||
-rw-r--r-- | vcs-svn/repo_tree.h | 3 | ||||
-rw-r--r-- | vcs-svn/svndump.c | 209 | ||||
-rw-r--r-- | vcs-svn/svndump.h | 2 |
7 files changed, 855 insertions, 89 deletions
diff --git a/contrib/svn-fe/svn-fe.c b/contrib/svn-fe/svn-fe.c index a2677b03e0..35db24f5ea 100644 --- a/contrib/svn-fe/svn-fe.c +++ b/contrib/svn-fe/svn-fe.c @@ -8,7 +8,8 @@ int main(int argc, char **argv) { - svndump_init(NULL); + if (svndump_init(NULL)) + return 1; svndump_read((argc > 1) ? argv[1] : NULL); svndump_deinit(); svndump_reset(); diff --git a/t/t9010-svn-fe.sh b/t/t9010-svn-fe.sh index 88a9751dd3..5a6a4b9b7a 100755 --- a/t/t9010-svn-fe.sh +++ b/t/t9010-svn-fe.sh @@ -9,6 +9,30 @@ reinit_git () { git init } +properties () { + while test "$#" -ne 0 + do + property="$1" && + value="$2" && + printf "%s\n" "K ${#property}" && + printf "%s\n" "$property" && + printf "%s\n" "V ${#value}" && + printf "%s\n" "$value" && + shift 2 || + return 1 + done +} + +text_no_props () { + text="$1 +" && + printf "%s\n" "Prop-content-length: 10" && + printf "%s\n" "Text-content-length: ${#text}" && + printf "%s\n" "Content-length: $((${#text} + 10))" && + printf "%s\n" "" "PROPS-END" && + printf "%s\n" "$text" +} + >empty test_expect_success 'empty dump' ' @@ -18,13 +42,686 @@ test_expect_success 'empty dump' ' git fast-import <stream ' -test_expect_success 'v3 dumps not supported' ' +test_expect_success 'v4 dumps not supported' ' reinit_git && - echo "SVN-fs-dump-format-version: 3" >input && - test_must_fail test-svn-fe input >stream && + echo "SVN-fs-dump-format-version: 4" >v4.dump && + test_must_fail test-svn-fe v4.dump >stream && test_cmp empty stream ' +test_expect_failure 'empty revision' ' + reinit_git && + printf "rev <nobody, nobody@local>: %s\n" "" "" >expect && + cat >emptyrev.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 0 + Content-length: 0 + + Revision-number: 2 + Prop-content-length: 0 + Content-length: 0 + + EOF + test-svn-fe emptyrev.dump >stream && + git fast-import <stream && + git log -p --format="rev <%an, %ae>: %s" HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'empty properties' ' + reinit_git && + printf "rev <nobody, nobody@local>: %s\n" "" "" >expect && + cat >emptyprop.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Revision-number: 2 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + EOF + test-svn-fe emptyprop.dump >stream && + git fast-import <stream && + git log -p --format="rev <%an, %ae>: %s" HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'author name and commit message' ' + reinit_git && + echo "<author@example.com, author@example.com@local>" >expect.author && + cat >message <<-\EOF && + A concise summary of the change + + A detailed description of the change, why it is needed, what + was broken and why applying this is the best course of action. + + * file.c + Details pertaining to an individual file. + EOF + { + properties \ + svn:author author@example.com \ + svn:log "$(cat message)" && + echo PROPS-END + } >props && + { + echo "SVN-fs-dump-format-version: 3" && + echo && + echo "Revision-number: 1" && + echo Prop-content-length: $(wc -c <props) && + echo Content-length: $(wc -c <props) && + echo && + cat props + } >log.dump && + test-svn-fe log.dump >stream && + git fast-import <stream && + git log -p --format="%B" HEAD >actual.log && + git log --format="<%an, %ae>" >actual.author && + test_cmp message actual.log && + test_cmp expect.author actual.author +' + +test_expect_success 'unsupported properties are ignored' ' + reinit_git && + echo author >expect && + cat >extraprop.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 56 + Content-length: 56 + + K 8 + nonsense + V 1 + y + K 10 + svn:author + V 6 + author + PROPS-END + EOF + test-svn-fe extraprop.dump >stream && + git fast-import <stream && + git log -p --format=%an HEAD >actual && + test_cmp expect actual +' + +test_expect_failure 'timestamp and empty file' ' + echo author@example.com >expect.author && + echo 1999-01-01 >expect.date && + echo file >expect.files && + reinit_git && + { + properties \ + svn:author author@example.com \ + svn:date "1999-01-01T00:01:002.000000Z" \ + svn:log "add empty file" && + echo PROPS-END + } >props && + { + cat <<-EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + EOF + echo Prop-content-length: $(wc -c <props) && + echo Content-length: $(wc -c <props) && + echo && + cat props && + cat <<-\EOF + + Node-path: empty-file + Node-kind: file + Node-action: add + Content-length: 0 + + EOF + } >emptyfile.dump && + test-svn-fe emptyfile.dump >stream && + git fast-import <stream && + git log --format=%an HEAD >actual.author && + git log --date=short --format=%ad HEAD >actual.date && + git ls-tree -r --name-only HEAD >actual.files && + test_cmp expect.author actual.author && + test_cmp expect.date actual.date && + test_cmp expect.files actual.files && + git checkout HEAD empty-file && + test_cmp empty file +' + +test_expect_success 'directory with files' ' + reinit_git && + printf "%s\n" directory/file1 directory/file2 >expect.files && + echo hi >hi && + echo hello >hello && + { + properties \ + svn:author author@example.com \ + svn:date "1999-02-01T00:01:002.000000Z" \ + svn:log "add directory with some files in it" && + echo PROPS-END + } >props && + { + cat <<-EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + EOF + echo Prop-content-length: $(wc -c <props) && + echo Content-length: $(wc -c <props) && + echo && + cat props && + cat <<-\EOF && + + Node-path: directory + Node-kind: dir + Node-action: add + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: directory/file1 + Node-kind: file + Node-action: add + EOF + text_no_props hello && + cat <<-\EOF && + Node-path: directory/file2 + Node-kind: file + Node-action: add + EOF + text_no_props hi + } >directory.dump && + test-svn-fe directory.dump >stream && + git fast-import <stream && + + git ls-tree -r --name-only HEAD >actual.files && + git checkout HEAD directory && + test_cmp expect.files actual.files && + test_cmp hello directory/file1 && + test_cmp hi directory/file2 +' + +test_expect_success 'node without action' ' + cat >inaction.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: directory + Node-kind: dir + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + EOF + test_must_fail test-svn-fe inaction.dump +' + +test_expect_success 'action: add node without text' ' + cat >textless.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: textless + Node-kind: file + Node-action: add + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + EOF + test_must_fail test-svn-fe textless.dump +' + +test_expect_failure 'change file mode but keep old content' ' + reinit_git && + cat >expect <<-\EOF && + OBJID + :120000 100644 OBJID OBJID T greeting + OBJID + :100644 120000 OBJID OBJID T greeting + OBJID + :000000 100644 OBJID OBJID A greeting + EOF + echo "link hello" >expect.blob && + echo hello >hello && + cat >filemode.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: add + Prop-content-length: 10 + Text-content-length: 11 + Content-length: 21 + + PROPS-END + link hello + + Revision-number: 2 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: change + Prop-content-length: 33 + Content-length: 33 + + K 11 + svn:special + V 1 + * + PROPS-END + + Revision-number: 3 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: change + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + EOF + test-svn-fe filemode.dump >stream && + git fast-import <stream && + { + git rev-list HEAD | + git diff-tree --root --stdin | + sed "s/$_x40/OBJID/g" + } >actual && + git show HEAD:greeting >actual.blob && + git show HEAD^:greeting >actual.target && + test_cmp expect actual && + test_cmp expect.blob actual.blob && + test_cmp hello actual.target +' + +test_expect_success 'change file mode and reiterate content' ' + reinit_git && + cat >expect <<-\EOF && + OBJID + :120000 100644 OBJID OBJID T greeting + OBJID + :100644 120000 OBJID OBJID T greeting + OBJID + :000000 100644 OBJID OBJID A greeting + EOF + echo "link hello" >expect.blob && + echo hello >hello && + cat >filemode.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: add + Prop-content-length: 10 + Text-content-length: 11 + Content-length: 21 + + PROPS-END + link hello + + Revision-number: 2 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: change + Prop-content-length: 33 + Text-content-length: 11 + Content-length: 44 + + K 11 + svn:special + V 1 + * + PROPS-END + link hello + + Revision-number: 3 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: change + Prop-content-length: 10 + Text-content-length: 11 + Content-length: 21 + + PROPS-END + link hello + EOF + test-svn-fe filemode.dump >stream && + git fast-import <stream && + { + git rev-list HEAD | + git diff-tree --root --stdin | + sed "s/$_x40/OBJID/g" + } >actual && + git show HEAD:greeting >actual.blob && + git show HEAD^:greeting >actual.target && + test_cmp expect actual && + test_cmp expect.blob actual.blob && + test_cmp hello actual.target +' + +test_expect_success 'deltas not supported' ' + { + # (old) h + (inline) ello + (old) \n + printf "SVNQ%b%b%s" "Q\003\006\005\004" "\001Q\0204\001\002" "ello" | + q_to_nul + } >delta && + { + properties \ + svn:author author@example.com \ + svn:date "1999-01-05T00:01:002.000000Z" \ + svn:log "add greeting" && + echo PROPS-END + } >props && + { + properties \ + svn:author author@example.com \ + svn:date "1999-01-06T00:01:002.000000Z" \ + svn:log "change it" && + echo PROPS-END + } >props2 && + { + echo SVN-fs-dump-format-version: 3 && + echo && + echo Revision-number: 1 && + echo Prop-content-length: $(wc -c <props) && + echo Content-length: $(wc -c <props) && + echo && + cat props && + cat <<-\EOF && + + Node-path: hello + Node-kind: file + Node-action: add + Prop-content-length: 10 + Text-content-length: 3 + Content-length: 13 + + PROPS-END + hi + + EOF + echo Revision-number: 2 && + echo Prop-content-length: $(wc -c <props2) && + echo Content-length: $(wc -c <props2) && + echo && + cat props2 && + cat <<-\EOF && + + Node-path: hello + Node-kind: file + Node-action: change + Text-delta: true + Prop-content-length: 10 + EOF + echo Text-content-length: $(wc -c <delta) && + echo Content-length: $((10 + $(wc -c <delta))) && + echo && + echo PROPS-END && + cat delta + } >delta.dump && + test_must_fail test-svn-fe delta.dump +' + +test_expect_success 'property deltas supported' ' + reinit_git && + cat >expect <<-\EOF && + OBJID + :100755 100644 OBJID OBJID M script.sh + EOF + { + properties \ + svn:author author@example.com \ + svn:date "1999-03-06T00:01:002.000000Z" \ + svn:log "make an executable, or chmod -x it" && + echo PROPS-END + } >revprops && + { + echo SVN-fs-dump-format-version: 3 && + echo && + echo Revision-number: 1 && + echo Prop-content-length: $(wc -c <revprops) && + echo Content-length: $(wc -c <revprops) && + echo && + cat revprops && + echo && + cat <<-\EOF && + Node-path: script.sh + Node-kind: file + Node-action: add + Text-content-length: 0 + Prop-content-length: 39 + Content-length: 39 + + K 14 + svn:executable + V 4 + true + PROPS-END + + EOF + echo Revision-number: 2 && + echo Prop-content-length: $(wc -c <revprops) && + echo Content-length: $(wc -c <revprops) && + echo && + cat revprops && + echo && + cat <<-\EOF + Node-path: script.sh + Node-kind: file + Node-action: change + Prop-delta: true + Prop-content-length: 30 + Content-length: 30 + + D 14 + svn:executable + PROPS-END + EOF + } >propdelta.dump && + test-svn-fe propdelta.dump >stream && + git fast-import <stream && + { + git rev-list HEAD | + git diff-tree --stdin | + sed "s/$_x40/OBJID/g" + } >actual && + test_cmp expect actual +' + +test_expect_success 'properties on /' ' + reinit_git && + cat <<-\EOF >expect && + OBJID + OBJID + :000000 100644 OBJID OBJID A greeting + EOF + sed -e "s/X$//" <<-\EOF >changeroot.dump && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: greeting + Node-kind: file + Node-action: add + Text-content-length: 0 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Revision-number: 2 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: X + Node-kind: dir + Node-action: change + Prop-delta: true + Prop-content-length: 43 + Content-length: 43 + + K 10 + svn:ignore + V 11 + build-area + + PROPS-END + EOF + test-svn-fe changeroot.dump >stream && + git fast-import <stream && + { + git rev-list HEAD | + git diff-tree --root --always --stdin | + sed "s/$_x40/OBJID/g" + } >actual && + test_cmp expect actual +' + +test_expect_success 'deltas for typechange' ' + reinit_git && + cat >expect <<-\EOF && + OBJID + :120000 100644 OBJID OBJID T test-file + OBJID + :100755 120000 OBJID OBJID T test-file + OBJID + :000000 100755 OBJID OBJID A test-file + EOF + cat >deleteprop.dump <<-\EOF && + SVN-fs-dump-format-version: 3 + + Revision-number: 1 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: test-file + Node-kind: file + Node-action: add + Prop-delta: true + Prop-content-length: 35 + Text-content-length: 17 + Content-length: 52 + + K 14 + svn:executable + V 0 + + PROPS-END + link testing 123 + + Revision-number: 2 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: test-file + Node-kind: file + Node-action: change + Prop-delta: true + Prop-content-length: 53 + Text-content-length: 17 + Content-length: 70 + + K 11 + svn:special + V 1 + * + D 14 + svn:executable + PROPS-END + link testing 231 + + Revision-number: 3 + Prop-content-length: 10 + Content-length: 10 + + PROPS-END + + Node-path: test-file + Node-kind: file + Node-action: change + Prop-delta: true + Prop-content-length: 27 + Text-content-length: 17 + Content-length: 44 + + D 11 + svn:special + PROPS-END + link testing 321 + EOF + test-svn-fe deleteprop.dump >stream && + git fast-import <stream && + { + git rev-list HEAD | + git diff-tree --root --stdin | + sed "s/$_x40/OBJID/g" + } >actual && + test_cmp expect actual +' + + test_expect_success 'set up svn repo' ' svnconf=$PWD/svnconf && mkdir -p "$svnconf" && diff --git a/test-svn-fe.c b/test-svn-fe.c index 77cf78abcf..b42ba789b1 100644 --- a/test-svn-fe.c +++ b/test-svn-fe.c @@ -9,7 +9,8 @@ int main(int argc, char *argv[]) { if (argc != 2) usage("test-svn-fe <file>"); - svndump_init(argv[1]); + if (svndump_init(argv[1])) + return 1; svndump_read(NULL); svndump_deinit(); svndump_reset(); diff --git a/vcs-svn/repo_tree.c b/vcs-svn/repo_tree.c index e3d1fa3544..491f0135a7 100644 --- a/vcs-svn/repo_tree.c +++ b/vcs-svn/repo_tree.c @@ -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 repo_modify_path(uint32_t *path, uint32_t mode, 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) -{ - 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) diff --git a/vcs-svn/repo_tree.h b/vcs-svn/repo_tree.h index 5476175922..68baeb582f 100644 --- a/vcs-svn/repo_tree.h +++ b/vcs-svn/repo_tree.h @@ -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); diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c index 4195da9cf8..ee7c0bb2ea 100644 --- a/vcs-svn/svndump.c +++ b/vcs-svn/svndump.c @@ -32,7 +32,7 @@ obj_pool_gen(log, char, 4096) static struct line_buffer input = LINE_BUFFER_INIT; -static char* log_copy(uint32_t length, char *log) +static char *log_copy(uint32_t length, const char *log) { char *buffer; log_free(log_pool.size); @@ -42,8 +42,9 @@ static char* log_copy(uint32_t length, char *log) } static struct { - uint32_t action, propLength, textLength, srcRev, srcMode, mark, type; + uint32_t action, propLength, textLength, srcRev, type; uint32_t src[REPO_MAX_PATH_DEPTH], dst[REPO_MAX_PATH_DEPTH]; + uint32_t text_delta, prop_delta; } node_ctx; static struct { @@ -60,7 +61,9 @@ static struct { uint32_t svn_log, svn_author, svn_date, svn_executable, svn_special, uuid, revision_number, node_path, node_kind, node_action, node_copyfrom_path, node_copyfrom_rev, text_content_length, - prop_content_length, content_length, svn_fs_dump_format_version; + prop_content_length, content_length, svn_fs_dump_format_version, + /* version 3 format */ + text_delta, prop_delta; } keys; static void reset_node_ctx(char *fname) @@ -71,9 +74,9 @@ static void reset_node_ctx(char *fname) node_ctx.textLength = LENGTH_UNKNOWN; node_ctx.src[0] = ~0; node_ctx.srcRev = 0; - node_ctx.srcMode = 0; pool_tok_seq(REPO_MAX_PATH_DEPTH, node_ctx.dst, "/", fname); - node_ctx.mark = 0; + node_ctx.text_delta = 0; + node_ctx.prop_delta = 0; } static void reset_rev_ctx(uint32_t revision) @@ -109,82 +112,148 @@ static void init_keys(void) keys.prop_content_length = pool_intern("Prop-content-length"); keys.content_length = pool_intern("Content-length"); keys.svn_fs_dump_format_version = pool_intern("SVN-fs-dump-format-version"); + /* version 3 format (Subversion 1.1.0) */ + keys.text_delta = pool_intern("Text-delta"); + keys.prop_delta = pool_intern("Prop-delta"); +} + +static void handle_property(uint32_t key, const char *val, uint32_t len, + uint32_t *type_set) +{ + if (key == keys.svn_log) { + if (!val) + die("invalid dump: unsets svn:log"); + /* Value length excludes terminating nul. */ + rev_ctx.log = log_copy(len + 1, val); + } else if (key == keys.svn_author) { + rev_ctx.author = pool_intern(val); + } else if (key == keys.svn_date) { + if (!val) + die("invalid dump: unsets svn:date"); + if (parse_date_basic(val, &rev_ctx.timestamp, NULL)) + warning("invalid timestamp: %s", val); + } else if (key == keys.svn_executable || key == keys.svn_special) { + if (*type_set) { + if (!val) + return; + die("invalid dump: sets type twice"); + } + if (!val) { + node_ctx.type = REPO_MODE_BLB; + return; + } + *type_set = 1; + node_ctx.type = key == keys.svn_executable ? + REPO_MODE_EXE : + REPO_MODE_LNK; + } } static void read_props(void) { - uint32_t len; uint32_t key = ~0; - char *val = NULL; - char *t; + const char *t; + /* + * NEEDSWORK: to support simple mode changes like + * K 11 + * svn:special + * V 1 + * * + * D 14 + * svn:executable + * we keep track of whether a mode has been set and reset to + * plain file only if not. We should be keeping track of the + * symlink and executable bits separately instead. + */ + uint32_t type_set = 0; while ((t = buffer_read_line(&input)) && strcmp(t, "PROPS-END")) { - if (!strncmp(t, "K ", 2)) { - len = atoi(&t[2]); - key = pool_intern(buffer_read_string(&input, len)); - buffer_read_line(&input); - } else if (!strncmp(t, "V ", 2)) { - len = atoi(&t[2]); - val = buffer_read_string(&input, len); - if (key == keys.svn_log) { - /* Value length excludes terminating nul. */ - rev_ctx.log = log_copy(len + 1, val); - } else if (key == keys.svn_author) { - rev_ctx.author = pool_intern(val); - } else if (key == keys.svn_date) { - if (parse_date_basic(val, &rev_ctx.timestamp, NULL)) - fprintf(stderr, "Invalid timestamp: %s\n", val); - } else if (key == keys.svn_executable) { - node_ctx.type = REPO_MODE_EXE; - } else if (key == keys.svn_special) { - node_ctx.type = REPO_MODE_LNK; - } + uint32_t len; + const char *val; + const char type = t[0]; + + if (!type || t[1] != ' ') + die("invalid property line: %s\n", t); + len = atoi(&t[2]); + val = buffer_read_string(&input, len); + buffer_skip_bytes(&input, 1); /* Discard trailing newline. */ + + switch (type) { + case 'K': + key = pool_intern(val); + continue; + case 'D': + key = pool_intern(val); + val = NULL; + len = 0; + /* fall through */ + case 'V': + handle_property(key, val, len, &type_set); key = ~0; - buffer_read_line(&input); + continue; + default: + die("invalid property line: %s\n", t); } } } static void handle_node(void) { - if (node_ctx.propLength != LENGTH_UNKNOWN && node_ctx.propLength) - read_props(); - - if (node_ctx.srcRev) - node_ctx.srcMode = repo_copy(node_ctx.srcRev, node_ctx.src, node_ctx.dst); - - if (node_ctx.textLength != LENGTH_UNKNOWN && - node_ctx.type != REPO_MODE_DIR) - node_ctx.mark = next_blob_mark(); + uint32_t mark = 0; + const uint32_t type = node_ctx.type; + const int have_props = node_ctx.propLength != LENGTH_UNKNOWN; + if (node_ctx.text_delta) + die("text deltas not supported"); + if (node_ctx.textLength != LENGTH_UNKNOWN) + mark = next_blob_mark(); if (node_ctx.action == NODEACT_DELETE) { + if (mark || have_props || node_ctx.srcRev) + die("invalid dump: deletion node has " + "copyfrom info, text, or properties"); + return repo_delete(node_ctx.dst); + } + if (node_ctx.action == NODEACT_REPLACE) { repo_delete(node_ctx.dst); - } else if (node_ctx.action == NODEACT_CHANGE || - node_ctx.action == NODEACT_REPLACE) { - if (node_ctx.action == NODEACT_REPLACE && - node_ctx.type == REPO_MODE_DIR) - repo_replace(node_ctx.dst, node_ctx.mark); - else if (node_ctx.propLength != LENGTH_UNKNOWN) - repo_modify(node_ctx.dst, node_ctx.type, node_ctx.mark); - else if (node_ctx.textLength != LENGTH_UNKNOWN) - node_ctx.srcMode = repo_replace(node_ctx.dst, node_ctx.mark); + node_ctx.action = NODEACT_ADD; + } + if (node_ctx.srcRev) { + repo_copy(node_ctx.srcRev, node_ctx.src, node_ctx.dst); + if (node_ctx.action == NODEACT_ADD) + node_ctx.action = NODEACT_CHANGE; + } + if (mark && type == REPO_MODE_DIR) + die("invalid dump: directories cannot have text attached"); + if (node_ctx.action == NODEACT_CHANGE && !~*node_ctx.dst) { + if (type != REPO_MODE_DIR) + die("invalid dump: root of tree is not a regular file"); + } else if (node_ctx.action == NODEACT_CHANGE) { + uint32_t mode = repo_modify_path(node_ctx.dst, 0, mark); + if (!mode) + die("invalid dump: path to be modified is missing"); + 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) + die("invalid dump: cannot modify a file into a directory"); + node_ctx.type = mode; } else if (node_ctx.action == NODEACT_ADD) { - if (node_ctx.srcRev && node_ctx.propLength != LENGTH_UNKNOWN) - repo_modify(node_ctx.dst, node_ctx.type, node_ctx.mark); - else if (node_ctx.srcRev && node_ctx.textLength != LENGTH_UNKNOWN) - node_ctx.srcMode = repo_replace(node_ctx.dst, node_ctx.mark); - else if ((node_ctx.type == REPO_MODE_DIR && !node_ctx.srcRev) || - node_ctx.textLength != LENGTH_UNKNOWN) - repo_add(node_ctx.dst, node_ctx.type, node_ctx.mark); + if (!mark && type != REPO_MODE_DIR) + die("invalid dump: adds node without text"); + repo_add(node_ctx.dst, type, mark); + } else { + die("invalid dump: Node-path block lacks Node-action"); } - - if (node_ctx.propLength == LENGTH_UNKNOWN && node_ctx.srcMode) - node_ctx.type = node_ctx.srcMode; - - if (node_ctx.mark) - fast_export_blob(node_ctx.type, - node_ctx.mark, node_ctx.textLength, &input); - else if (node_ctx.textLength != LENGTH_UNKNOWN) - buffer_skip_bytes(&input, node_ctx.textLength); + if (have_props) { + const uint32_t old_mode = node_ctx.type; + if (!node_ctx.prop_delta) + node_ctx.type = type; + if (node_ctx.propLength) + read_props(); + if (node_ctx.type != old_mode) + repo_modify_path(node_ctx.dst, node_ctx.type, mark); + } + if (mark) + fast_export_blob(node_ctx.type, mark, + node_ctx.textLength, &input); } static void handle_revision(void) @@ -213,8 +282,8 @@ void svndump_read(const char *url) if (key == keys.svn_fs_dump_format_version) { dump_ctx.version = atoi(val); - if (dump_ctx.version > 2) - die("expected svn dump format version <= 2, found %"PRIu32, + if (dump_ctx.version > 3) + die("expected svn dump format version <= 3, found %"PRIu32, dump_ctx.version); } else if (key == keys.uuid) { dump_ctx.uuid = pool_intern(val); @@ -258,6 +327,10 @@ void svndump_read(const char *url) node_ctx.textLength = atoi(val); } else if (key == keys.prop_content_length) { node_ctx.propLength = atoi(val); + } else if (key == keys.text_delta) { + node_ctx.text_delta = !strcmp(val, "true"); + } else if (key == keys.prop_delta) { + node_ctx.prop_delta = !strcmp(val, "true"); } else if (key == keys.content_length) { len = atoi(val); buffer_read_line(&input); @@ -278,14 +351,16 @@ void svndump_read(const char *url) handle_revision(); } -void svndump_init(const char *filename) +int svndump_init(const char *filename) { - buffer_init(&input, filename); + if (buffer_init(&input, filename)) + return error("cannot open %s: %s", filename, strerror(errno)); repo_init(); reset_dump_ctx(~0); reset_rev_ctx(0); reset_node_ctx(NULL); init_keys(); + return 0; } void svndump_deinit(void) diff --git a/vcs-svn/svndump.h b/vcs-svn/svndump.h index 93c412f14a..df9ceb0e8d 100644 --- a/vcs-svn/svndump.h +++ b/vcs-svn/svndump.h @@ -1,7 +1,7 @@ #ifndef SVNDUMP_H_ #define SVNDUMP_H_ -void svndump_init(const char *filename); +int svndump_init(const char *filename); void svndump_read(const char *url); void svndump_deinit(void); void svndump_reset(void); |