diff options
| -rw-r--r-- | Documentation/technical/api-strbuf.txt | 18 | ||||
| -rw-r--r-- | bundle.c | 36 | ||||
| -rw-r--r-- | strbuf.c | 16 | ||||
| -rw-r--r-- | strbuf.h | 1 | ||||
| -rwxr-xr-x | t/t5704-bundle.sh | 47 |
5 files changed, 67 insertions, 51 deletions
diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt index afe2759951..95a8bf3846 100644 --- a/Documentation/technical/api-strbuf.txt +++ b/Documentation/technical/api-strbuf.txt @@ -255,8 +255,24 @@ same behaviour as well. `strbuf_getline`:: - Read a line from a FILE* pointer. The second argument specifies the line + Read a line from a FILE *, overwriting the existing contents + of the strbuf. The second argument specifies the line terminator character, typically `'\n'`. + Reading stops after the terminator or at EOF. The terminator + is removed from the buffer before returning. Returns 0 unless + there was nothing left before EOF, in which case it returns `EOF`. + +`strbuf_getwholeline`:: + + Like `strbuf_getline`, but keeps the trailing terminator (if + any) in the buffer. + +`strbuf_getwholeline_fd`:: + + Like `strbuf_getwholeline`, but operates on a file descriptor. + It reads one character at a time, so it is very slow. Do not + use it unless you need the correct position in the file + descriptor. `stripspace`:: @@ -23,23 +23,6 @@ static void add_to_ref_list(const unsigned char *sha1, const char *name, list->nr++; } -/* Eventually this should go to strbuf.[ch] */ -static int strbuf_readline_fd(struct strbuf *sb, int fd) -{ - strbuf_reset(sb); - - while (1) { - char ch; - ssize_t len = xread(fd, &ch, 1); - if (len <= 0) - return len; - strbuf_addch(sb, ch); - if (ch == '\n') - break; - } - return 0; -} - static int parse_bundle_header(int fd, struct bundle_header *header, const char *report_path) { @@ -47,7 +30,7 @@ static int parse_bundle_header(int fd, struct bundle_header *header, int status = 0; /* The bundle header begins with the signature */ - if (strbuf_readline_fd(&buf, fd) || + if (strbuf_getwholeline_fd(&buf, fd, '\n') || strcmp(buf.buf, bundle_signature)) { if (report_path) error("'%s' does not look like a v2 bundle file", @@ -57,7 +40,7 @@ static int parse_bundle_header(int fd, struct bundle_header *header, } /* The bundle header ends with an empty line */ - while (!strbuf_readline_fd(&buf, fd) && + while (!strbuf_getwholeline_fd(&buf, fd, '\n') && buf.len && buf.buf[0] != '\n') { unsigned char sha1[20]; int is_prereq = 0; @@ -251,7 +234,7 @@ int create_bundle(struct bundle_header *header, const char *path, const char **argv_boundary = xmalloc((argc + 4) * sizeof(const char *)); const char **argv_pack = xmalloc(6 * sizeof(const char *)); int i, ref_count = 0; - char buffer[1024]; + struct strbuf buf = STRBUF_INIT; struct rev_info revs; struct child_process rls; FILE *rls_fout; @@ -283,20 +266,21 @@ int create_bundle(struct bundle_header *header, const char *path, if (start_command(&rls)) return -1; rls_fout = xfdopen(rls.out, "r"); - while (fgets(buffer, sizeof(buffer), rls_fout)) { + while (strbuf_getwholeline(&buf, rls_fout, '\n') != EOF) { unsigned char sha1[20]; - if (buffer[0] == '-') { - write_or_die(bundle_fd, buffer, strlen(buffer)); - if (!get_sha1_hex(buffer + 1, sha1)) { + if (buf.len > 0 && buf.buf[0] == '-') { + write_or_die(bundle_fd, buf.buf, buf.len); + if (!get_sha1_hex(buf.buf + 1, sha1)) { struct object *object = parse_object(sha1); object->flags |= UNINTERESTING; - add_pending_object(&revs, object, buffer); + add_pending_object(&revs, object, buf.buf); } - } else if (!get_sha1_hex(buffer, sha1)) { + } else if (!get_sha1_hex(buf.buf, sha1)) { struct object *object = parse_object(sha1); object->flags |= SHOWN; } } + strbuf_release(&buf); fclose(rls_fout); if (finish_command(&rls)) return error("rev-list died"); @@ -383,6 +383,22 @@ int strbuf_getline(struct strbuf *sb, FILE *fp, int term) return 0; } +int strbuf_getwholeline_fd(struct strbuf *sb, int fd, int term) +{ + strbuf_reset(sb); + + while (1) { + char ch; + ssize_t len = xread(fd, &ch, 1); + if (len <= 0) + return EOF; + strbuf_addch(sb, ch); + if (ch == term) + break; + } + return 0; +} + int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint) { int fd, len; @@ -116,6 +116,7 @@ extern int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint); extern int strbuf_getwholeline(struct strbuf *, FILE *, int); extern int strbuf_getline(struct strbuf *, FILE *, int); +extern int strbuf_getwholeline_fd(struct strbuf *, int, int); extern void stripspace(struct strbuf *buf, int skip_comments); extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env); diff --git a/t/t5704-bundle.sh b/t/t5704-bundle.sh index 4ae127d106..a51c8b0560 100755 --- a/t/t5704-bundle.sh +++ b/t/t5704-bundle.sh @@ -4,59 +4,58 @@ test_description='some bundle related tests' . ./test-lib.sh test_expect_success 'setup' ' - - : > file && - git add file && - test_tick && - git commit -m initial && + test_commit initial && test_tick && git tag -m tag tag && - : > file2 && - git add file2 && - : > file3 && - test_tick && - git commit -m second && - git add file3 && - test_tick && - git commit -m third - + test_commit second && + test_commit third && + git tag -d initial && + git tag -d second && + git tag -d third ' test_expect_success 'tags can be excluded by rev-list options' ' - git bundle create bundle --all --since=7.Apr.2005.15:16:00.-0700 && git ls-remote bundle > output && ! grep tag output - ' test_expect_success 'die if bundle file cannot be created' ' - mkdir adir && test_must_fail git bundle create adir --all - ' test_expect_failure 'bundle --stdin' ' - echo master | git bundle create stdin-bundle.bdl --stdin && git ls-remote stdin-bundle.bdl >output && grep master output - ' test_expect_failure 'bundle --stdin <rev-list options>' ' - echo master | git bundle create hybrid-bundle.bdl --stdin tag && git ls-remote hybrid-bundle.bdl >output && grep master output - ' test_expect_success 'empty bundle file is rejected' ' + : >empty-bundle && + test_must_fail git fetch empty-bundle +' - >empty-bundle && test_must_fail git fetch empty-bundle - +# This triggers a bug in older versions where the resulting line (with +# --pretty=oneline) was longer than a 1024-char buffer. +test_expect_success 'ridiculously long subject in boundary' ' + : >file4 && + test_tick && + git add file4 && + printf "%01200d\n" 0 | git commit -F - && + test_commit fifth && + git bundle create long-subject-bundle.bdl HEAD^..HEAD && + git bundle list-heads long-subject-bundle.bdl >heads && + test -s heads && + git fetch long-subject-bundle.bdl && + sed -n "/^-/{p;q}" long-subject-bundle.bdl >boundary && + grep "^-$_x40 " boundary ' test_done |