diff options
| -rw-r--r-- | Documentation/git-name-rev.txt | 3 | ||||
| -rw-r--r-- | builtin-name-rev.c | 83 |
2 files changed, 47 insertions, 39 deletions
diff --git a/Documentation/git-name-rev.txt b/Documentation/git-name-rev.txt index 6e77ab135..abd2237e5 100644 --- a/Documentation/git-name-rev.txt +++ b/Documentation/git-name-rev.txt @@ -38,8 +38,7 @@ OPTIONS Instead of printing both the SHA-1 and the name, print only the name. If given with --tags the usual tag prefix of "tags/" is also omitted from the name, matching the output - of 'git-describe' more closely. This option - cannot be combined with --stdin. + of `git-describe` more closely. --no-undefined:: Die with error code != 0 when a reference is undefined, diff --git a/builtin-name-rev.c b/builtin-name-rev.c index 85612c4dc..7055ac310 100644 --- a/builtin-name-rev.c +++ b/builtin-name-rev.c @@ -176,6 +176,50 @@ static char const * const name_rev_usage[] = { NULL }; +static void name_rev_line(char *p, struct name_ref_data *data) +{ + int forty = 0; + char *p_start; + for (p_start = p; *p; p++) { +#define ishex(x) (isdigit((x)) || ((x) >= 'a' && (x) <= 'f')) + if (!ishex(*p)) + forty = 0; + else if (++forty == 40 && + !ishex(*(p+1))) { + unsigned char sha1[40]; + const char *name = NULL; + char c = *(p+1); + + forty = 0; + + *(p+1) = 0; + if (!get_sha1(p - 39, sha1)) { + struct object *o = + lookup_object(sha1); + if (o) + name = get_rev_name(o); + } + *(p+1) = c; + + if (!name) + continue; + + if (data->name_only) { + fwrite(p_start, p - p_start + 1 - 40, 1, stdout); + printf(name); + } else { + fwrite(p_start, p - p_start + 1, 1, stdout); + printf(" (%s)", name); + } + p_start = p + 1; + } + } + + /* flush */ + if (p_start != p) + fwrite(p_start, p - p_start, 1, stdout); +} + int cmd_name_rev(int argc, const char **argv, const char *prefix) { struct object_array revs = { 0, 0, NULL }; @@ -234,47 +278,12 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) if (transform_stdin) { char buffer[2048]; - char *p, *p_start; while (!feof(stdin)) { - int forty = 0; - p = fgets(buffer, sizeof(buffer), stdin); + char *p = fgets(buffer, sizeof(buffer), stdin); if (!p) break; - - for (p_start = p; *p; p++) { -#define ishex(x) (isdigit((x)) || ((x) >= 'a' && (x) <= 'f')) - if (!ishex(*p)) - forty = 0; - else if (++forty == 40 && - !ishex(*(p+1))) { - unsigned char sha1[40]; - const char *name = NULL; - char c = *(p+1); - - forty = 0; - - *(p+1) = 0; - if (!get_sha1(p - 39, sha1)) { - struct object *o = - lookup_object(sha1); - if (o) - name = get_rev_name(o); - } - *(p+1) = c; - - if (!name) - continue; - - fwrite(p_start, p - p_start + 1, 1, stdout); - printf(" (%s)", name); - p_start = p + 1; - } - } - - /* flush */ - if (p_start != p) - fwrite(p_start, p - p_start, 1, stdout); + name_rev_line(p, &data); } } else if (all) { int i, max; |