diff options
Diffstat (limited to 'ref-filter.c')
| -rw-r--r-- | ref-filter.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ref-filter.c b/ref-filter.c index 7bef7f8..f097176 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -763,6 +763,29 @@ static inline char *copy_advance(char *dst, const char *src) return dst; } +static const char *strip_ref_components(const char *refname, const char *nr_arg) +{ + char *end; + long nr = strtol(nr_arg, &end, 10); + long remaining = nr; + const char *start = refname; + + if (nr < 1 || *end != '\0') + die(":strip= requires a positive integer argument"); + + while (remaining) { + switch (*start++) { + case '\0': + die("ref '%s' does not have %ld components to :strip", + refname, nr); + case '/': + remaining--; + break; + } + } + return start; +} + /* * Parse the object referred by ref, and grab needed value. */ @@ -909,11 +932,14 @@ static void populate_value(struct ref_array_item *ref) formatp = strchr(name, ':'); if (formatp) { int num_ours, num_theirs; + const char *arg; formatp++; if (!strcmp(formatp, "short")) refname = shorten_unambiguous_ref(refname, warn_ambiguous_refs); + else if (skip_prefix(formatp, "strip=", &arg)) + refname = strip_ref_components(refname, arg); else if (!strcmp(formatp, "track") && (starts_with(name, "upstream") || starts_with(name, "push"))) { |