cvsimport: skip commits that are too recent (option and documentation)

diff --git a/refs.c b/refs.c
index cdedb45f00d2a9c379b5cfbf78086f8d2f9eaba1..52057455a20cb4641005c9248b5499cca83c77c1 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -1,10 +1,8 @@
-#include "refs.h"
 #include "cache.h"
+#include "refs.h"
 #include "object.h"
 #include "tag.h"
 
-#include <errno.h>
-
 /* ISSYMREF=01 and ISPACKED=02 are public interfaces */
 #define REF_KNOWS_PEELED 04
 
@@ -534,7 +532,7 @@ int check_ref_format(const char *ref)
                level++;
                if (!ch) {
                        if (level < 2)
-                               return -1; /* at least of form "heads/blah" */
+                               return -2; /* at least of form "heads/blah" */
                        return 0;
                }
        }
@@ -728,7 +726,6 @@ static int repack_without_ref(const char *refname)
        }
        if (!found)
                return 0;
-       memset(&packlock, 0, sizeof(packlock));
        fd = hold_lock_file_for_update(&packlock, git_path("packed-refs"), 0);
        if (fd < 0)
                return error("cannot delete '%s' from packed refs", refname);
@@ -784,15 +781,14 @@ int delete_ref(const char *refname, unsigned char *sha1)
        return ret;
 }
 
-int rename_ref(const char *oldref, const char *newref)
+int rename_ref(const char *oldref, const char *newref, const char *logmsg)
 {
        static const char renamed_ref[] = "RENAMED-REF";
        unsigned char sha1[20], orig_sha1[20];
        int flag = 0, logmoved = 0;
        struct ref_lock *lock;
-       char msg[PATH_MAX*2 + 100];
        struct stat loginfo;
-       int log = !stat(git_path("logs/%s", oldref), &loginfo);
+       int log = !lstat(git_path("logs/%s", oldref), &loginfo);
 
        if (S_ISLNK(loginfo.st_mode))
                return error("reflog for %s is a symlink", oldref);
@@ -806,14 +802,11 @@ int rename_ref(const char *oldref, const char *newref)
        if (!is_refname_available(newref, oldref, get_loose_refs(), 0))
                return 1;
 
-       if (snprintf(msg, sizeof(msg), "renamed %s to %s", oldref, newref) > sizeof(msg))
-               return error("Refnames to long");
-
        lock = lock_ref_sha1_basic(renamed_ref, NULL, NULL);
        if (!lock)
                return error("unable to lock %s", renamed_ref);
        lock->force_write = 1;
-       if (write_ref_sha1(lock, orig_sha1, msg))
+       if (write_ref_sha1(lock, orig_sha1, logmsg))
                return error("unable to save current sha1 in %s", renamed_ref);
 
        if (log && rename(git_path("logs/%s", oldref), git_path("tmp-renamed-log")))
@@ -866,11 +859,21 @@ int rename_ref(const char *oldref, const char *newref)
 
        lock->force_write = 1;
        hashcpy(lock->old_sha1, orig_sha1);
-       if (write_ref_sha1(lock, orig_sha1, msg)) {
+       if (write_ref_sha1(lock, orig_sha1, logmsg)) {
                error("unable to write current sha1 into %s", newref);
                goto rollback;
        }
 
+       if (!strncmp(oldref, "refs/heads/", 11) &&
+                       !strncmp(newref, "refs/heads/", 11)) {
+               char oldsection[1024], newsection[1024];
+
+               snprintf(oldsection, 1024, "branch.%s", oldref + 11);
+               snprintf(newsection, 1024, "branch.%s", newref + 11);
+               if (git_config_rename_section(oldsection, newsection) < 0)
+                       return 1;
+       }
+
        return 0;
 
  rollback:
@@ -921,7 +924,8 @@ static int log_ref_write(struct ref_lock *lock,
        const char *committer;
 
        if (log_all_ref_updates &&
-           !strncmp(lock->ref_name, "refs/heads/", 11)) {
+           (!strncmp(lock->ref_name, "refs/heads/", 11) ||
+            !strncmp(lock->ref_name, "refs/remotes/", 13))) {
                if (safe_create_leading_directories(lock->log_file) < 0)
                        return error("unable to create directory for %s",
                                lock->log_file);
@@ -1009,7 +1013,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
 {
        const char *logfile, *logdata, *logend, *rec, *lastgt, *lastrec;
        char *tz_c;
-       int logfd, tz;
+       int logfd, tz, reccnt = 0;
        struct stat st;
        unsigned long date;
        unsigned char logged_sha1[20];
@@ -1021,12 +1025,13 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
        fstat(logfd, &st);
        if (!st.st_size)
                die("Log %s is empty.", logfile);
-       logdata = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, logfd, 0);
+       logdata = xmmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, logfd, 0);
        close(logfd);
 
        lastrec = NULL;
        rec = logend = logdata + st.st_size;
        while (logdata < rec) {
+               reccnt++;
                if (logdata < rec && *(rec-1) == '\n')
                        rec--;
                lastgt = NULL;
@@ -1083,7 +1088,37 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
        if (get_sha1_hex(logdata, sha1))
                die("Log %s is corrupt.", logfile);
        munmap((void*)logdata, st.st_size);
-       fprintf(stderr, "warning: Log %s only goes back to %s.\n",
-               logfile, show_rfc2822_date(date, tz));
+       if (at_time)
+               fprintf(stderr, "warning: Log %s only goes back to %s.\n",
+                       logfile, show_rfc2822_date(date, tz));
+       else
+               fprintf(stderr, "warning: Log %s only has %d entries.\n",
+                       logfile, reccnt);
        return 0;
 }
+
+void for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data)
+{
+       const char *logfile;
+       FILE *logfp;
+       char buf[1024];
+
+       logfile = git_path("logs/%s", ref);
+       logfp = fopen(logfile, "r");
+       if (!logfp)
+               return;
+       while (fgets(buf, sizeof(buf), logfp)) {
+               unsigned char osha1[20], nsha1[20];
+               int len;
+
+               /* old SP new SP name <email> SP time TAB msg LF */
+               len = strlen(buf);
+               if (len < 83 || buf[len-1] != '\n' ||
+                   get_sha1_hex(buf, osha1) || buf[40] != ' ' ||
+                   get_sha1_hex(buf + 41, nsha1) || buf[81] != ' ')
+                       continue; /* corrupt? */
+               fn(osha1, nsha1, buf+82, cb_data);
+       }
+       fclose(logfp);
+}
+