git-branch: let caller specify logmsg

This changes the signature of rename_ref() in refs.[hc] to include a
logmessage for the reflogs.

Also, builtin-branch.c is modified to provide a proper logmessage + call
setup_ident() before any logmessages are written.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-branch.c b/builtin-branch.c
index 153682601e2f77514edab0e6ba9d3077cd3114e7..3fc6f84773268379d355c69c0a32d4d9c4b0f630 100644 (file)
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -247,7 +247,7 @@ static void create_branch(const char *name, const char *start,
 
 static void rename_branch(const char *oldname, const char *newname, int force)
 {
-       char oldref[PATH_MAX], newref[PATH_MAX];
+       char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100];
        unsigned char sha1[20];
 
        if (snprintf(oldref, sizeof(oldref), "refs/heads/%s", oldname) > sizeof(oldref))
@@ -265,7 +265,10 @@ static void rename_branch(const char *oldname, const char *newname, int force)
        if (resolve_ref(newref, sha1, 1, NULL) && !force)
                die("A branch named '%s' already exists.", newname);
 
-       if (rename_ref(oldref, newref))
+       snprintf(logmsg, sizeof(logmsg), "Branch: renamed %s to %s",
+                oldref, newref);
+
+       if (rename_ref(oldref, newref, logmsg))
                die("Branch rename failed");
 
        if (!strcmp(oldname, head) && create_symref("HEAD", newref))
@@ -281,6 +284,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        int kinds = REF_LOCAL_BRANCH;
        int i;
 
+       setup_ident();
        git_config(git_default_config);
 
        for (i = 1; i < argc; i++) {

diff --git a/refs.c b/refs.c
index c23561e1582980e01c827540de0e0a43bf2547d3..2ac8273ea475ebf169f86840587d48bf1e1b8a91 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -784,13 +784,12 @@ 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 = !lstat(git_path("logs/%s", oldref), &loginfo);
 
@@ -806,14 +805,11 @@ 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")))
@@ -866,7 +862,7 @@ 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;
        }

diff --git a/refs.h b/refs.h
index ce73d5c7ae394c012f828536dd4df8b143819718..51aab1e6bf592ed6412289695d6fe33e5140fab2 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -48,6 +48,6 @@ extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned
 extern int check_ref_format(const char *target);
 
 /** rename ref, return 0 on success **/
-extern int rename_ref(const char *oldref, const char *newref);
+extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);
 
 #endif /* REFS_H */