ref-filter: add an 'rstrip=<N>' option to atoms which deal with refnames
[gitweb.git] / transport.c
index e0651a5bfc9cb01cab5fc15322c493a8ebb42a73..04e5d6623e39014622e0a185d37f8a456fd352e6 100644 (file)
@@ -307,7 +307,9 @@ void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int v
        }
 }
 
-static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain)
+static void print_ref_status(char flag, const char *summary,
+                            struct ref *to, struct ref *from, const char *msg,
+                            int porcelain, int summary_width)
 {
        if (porcelain) {
                if (from)
@@ -319,7 +321,7 @@ static void print_ref_status(char flag, const char *summary, struct ref *to, str
                else
                        fprintf(stdout, "%s\n", summary);
        } else {
-               fprintf(stderr, " %c %-*s ", flag, TRANSPORT_SUMMARY_WIDTH, summary);
+               fprintf(stderr, " %c %-*s ", flag, summary_width, summary);
                if (from)
                        fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
                else
@@ -333,15 +335,16 @@ static void print_ref_status(char flag, const char *summary, struct ref *to, str
        }
 }
 
-static void print_ok_ref_status(struct ref *ref, int porcelain)
+static void print_ok_ref_status(struct ref *ref, int porcelain, int summary_width)
 {
        if (ref->deletion)
-               print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
+               print_ref_status('-', "[deleted]", ref, NULL, NULL,
+                                porcelain, summary_width);
        else if (is_null_oid(&ref->old_oid))
                print_ref_status('*',
                        (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
                        "[new branch]"),
-                       ref, ref->peer_ref, NULL, porcelain);
+                       ref, ref->peer_ref, NULL, porcelain, summary_width);
        else {
                struct strbuf quickref = STRBUF_INIT;
                char type;
@@ -361,12 +364,14 @@ static void print_ok_ref_status(struct ref *ref, int porcelain)
                strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash,
                                         DEFAULT_ABBREV);
 
-               print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg, porcelain);
+               print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg,
+                                porcelain, summary_width);
                strbuf_release(&quickref);
        }
 }
 
-static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain)
+static int print_one_push_status(struct ref *ref, const char *dest, int count,
+                                int porcelain, int summary_width)
 {
        if (!count) {
                char *url = transport_anonymize_url(dest);
@@ -376,62 +381,87 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count, i
 
        switch(ref->status) {
        case REF_STATUS_NONE:
-               print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain);
+               print_ref_status('X', "[no match]", ref, NULL, NULL,
+                                porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_NODELETE:
                print_ref_status('!', "[rejected]", ref, NULL,
-                                                "remote does not support deleting refs", porcelain);
+                                "remote does not support deleting refs",
+                                porcelain, summary_width);
                break;
        case REF_STATUS_UPTODATE:
                print_ref_status('=', "[up to date]", ref,
-                                                ref->peer_ref, NULL, porcelain);
+                                ref->peer_ref, NULL, porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_NONFASTFORWARD:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "non-fast-forward", porcelain);
+                                "non-fast-forward", porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_ALREADY_EXISTS:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "already exists", porcelain);
+                                "already exists", porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_FETCH_FIRST:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "fetch first", porcelain);
+                                "fetch first", porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_NEEDS_FORCE:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "needs force", porcelain);
+                                "needs force", porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_STALE:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "stale info", porcelain);
+                                "stale info", porcelain, summary_width);
                break;
        case REF_STATUS_REJECT_SHALLOW:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "new shallow roots not allowed", porcelain);
+                                "new shallow roots not allowed",
+                                porcelain, summary_width);
                break;
        case REF_STATUS_REMOTE_REJECT:
                print_ref_status('!', "[remote rejected]", ref,
-                                                ref->deletion ? NULL : ref->peer_ref,
-                                                ref->remote_status, porcelain);
+                                ref->deletion ? NULL : ref->peer_ref,
+                                ref->remote_status, porcelain, summary_width);
                break;
        case REF_STATUS_EXPECTING_REPORT:
                print_ref_status('!', "[remote failure]", ref,
-                                                ref->deletion ? NULL : ref->peer_ref,
-                                                "remote failed to report status", porcelain);
+                                ref->deletion ? NULL : ref->peer_ref,
+                                "remote failed to report status",
+                                porcelain, summary_width);
                break;
        case REF_STATUS_ATOMIC_PUSH_FAILED:
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                                                "atomic push failed", porcelain);
+                                "atomic push failed", porcelain, summary_width);
                break;
        case REF_STATUS_OK:
-               print_ok_ref_status(ref, porcelain);
+               print_ok_ref_status(ref, porcelain, summary_width);
                break;
        }
 
        return 1;
 }
 
+static int measure_abbrev(const struct object_id *oid, int sofar)
+{
+       char hex[GIT_SHA1_HEXSZ + 1];
+       int w = find_unique_abbrev_r(hex, oid->hash, DEFAULT_ABBREV);
+
+       return (w < sofar) ? sofar : w;
+}
+
+int transport_summary_width(const struct ref *refs)
+{
+       int maxw = -1;
+
+       for (; refs; refs = refs->next) {
+               maxw = measure_abbrev(&refs->old_oid, maxw);
+               maxw = measure_abbrev(&refs->new_oid, maxw);
+       }
+       if (maxw < 0)
+               maxw = FALLBACK_DEFAULT_ABBREV;
+       return (2 * maxw + 3);
+}
+
 void transport_print_push_status(const char *dest, struct ref *refs,
                                  int verbose, int porcelain, unsigned int *reject_reasons)
 {
@@ -439,25 +469,29 @@ void transport_print_push_status(const char *dest, struct ref *refs,
        int n = 0;
        unsigned char head_sha1[20];
        char *head;
+       int summary_width = transport_summary_width(refs);
 
        head = resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
 
        if (verbose) {
                for (ref = refs; ref; ref = ref->next)
                        if (ref->status == REF_STATUS_UPTODATE)
-                               n += print_one_push_status(ref, dest, n, porcelain);
+                               n += print_one_push_status(ref, dest, n,
+                                                          porcelain, summary_width);
        }
 
        for (ref = refs; ref; ref = ref->next)
                if (ref->status == REF_STATUS_OK)
-                       n += print_one_push_status(ref, dest, n, porcelain);
+                       n += print_one_push_status(ref, dest, n,
+                                                  porcelain, summary_width);
 
        *reject_reasons = 0;
        for (ref = refs; ref; ref = ref->next) {
                if (ref->status != REF_STATUS_NONE &&
                    ref->status != REF_STATUS_UPTODATE &&
                    ref->status != REF_STATUS_OK)
-                       n += print_one_push_status(ref, dest, n, porcelain);
+                       n += print_one_push_status(ref, dest, n,
+                                                  porcelain, summary_width);
                if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
                        if (head != NULL && !strcmp(head, ref->name))
                                *reject_reasons |= REJECT_NON_FF_HEAD;
@@ -1112,9 +1146,7 @@ static int refs_from_alternate_cb(struct alternate_object_database *e,
        const struct ref *extra;
        struct alternate_refs_data *cb = data;
 
-       e->name[-1] = '\0';
-       other = xstrdup(real_path(e->base));
-       e->name[-1] = '/';
+       other = xstrdup(real_path(e->path));
        len = strlen(other);
 
        while (other[len-1] == '/')