am: release strbuf after use in safe_to_abort()

diff --git a/builtin/am.c b/builtin/am.c
index 40cc6d6fe8e7d440d544e88cba03be15e675c93f..d7513f53759bc5834aa02bd904432f64e036ccb6 100644 (file)
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -31,6 +31,7 @@
 #include "mailinfo.h"
 #include "apply.h"
 #include "string-list.h"
+#include "packfile.h"
 
 /**
  * Returns 1 if the file is empty or does not exist, 0 otherwise.
@@ -431,6 +432,14 @@ static void am_load(struct am_state *state)
        read_state_file(&sb, state, "utf8", 1);
        state->utf8 = !strcmp(sb.buf, "t");
 
+       if (file_exists(am_path(state, "rerere-autoupdate"))) {
+               read_state_file(&sb, state, "rerere-autoupdate", 1);
+               state->allow_rerere_autoupdate = strcmp(sb.buf, "t") ?
+                       RERERE_NOAUTOUPDATE : RERERE_AUTOUPDATE;
+       } else {
+               state->allow_rerere_autoupdate = 0;
+       }
+
        read_state_file(&sb, state, "keep", 1);
        if (!strcmp(sb.buf, "t"))
                state->keep = KEEP_TRUE;
@@ -662,9 +671,7 @@ static int detect_patch_format(const char **paths)
                goto done;
        }
 
-       strbuf_reset(&l2);
        strbuf_getline(&l2, fp);
-       strbuf_reset(&l3);
        strbuf_getline(&l3, fp);
 
        /*
@@ -687,6 +694,8 @@ static int detect_patch_format(const char **paths)
 done:
        fclose(fp);
        strbuf_release(&l1);
+       strbuf_release(&l2);
+       strbuf_release(&l3);
        return ret;
 }
 
@@ -872,6 +881,7 @@ static int split_mail_stgit_series(struct am_state *state, const char **paths,
 static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
 {
        struct strbuf sb = STRBUF_INIT;
+       int rc = 0;
 
        while (!strbuf_getline_lf(&sb, in)) {
                const char *str;
@@ -885,19 +895,27 @@ static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
 
                        errno = 0;
                        timestamp = parse_timestamp(str, &end, 10);
-                       if (errno)
-                               return error(_("invalid timestamp"));
+                       if (errno) {
+                               rc = error(_("invalid timestamp"));
+                               goto exit;
+                       }
 
-                       if (!skip_prefix(end, " ", &str))
-                               return error(_("invalid Date line"));
+                       if (!skip_prefix(end, " ", &str)) {
+                               rc = error(_("invalid Date line"));
+                               goto exit;
+                       }
 
                        errno = 0;
                        tz = strtol(str, &end, 10);
-                       if (errno)
-                               return error(_("invalid timezone offset"));
+                       if (errno) {
+                               rc = error(_("invalid timezone offset"));
+                               goto exit;
+                       }
 
-                       if (*end)
-                               return error(_("invalid Date line"));
+                       if (*end) {
+                               rc = error(_("invalid Date line"));
+                               goto exit;
+                       }
 
                        /*
                         * mercurial's timezone is in seconds west of UTC,
@@ -922,9 +940,9 @@ static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
                fwrite(sb.buf, 1, sb.len, out);
                strbuf_reset(&sb);
        }
-
+exit:
        strbuf_release(&sb);
-       return 0;
+       return rc;
 }
 
 /**
@@ -1003,6 +1021,10 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
        write_state_bool(state, "sign", state->signoff);
        write_state_bool(state, "utf8", state->utf8);
 
+       if (state->allow_rerere_autoupdate)
+               write_state_bool(state, "rerere-autoupdate",
+                        state->allow_rerere_autoupdate == RERERE_AUTOUPDATE);
+
        switch (state->keep) {
        case KEEP_FALSE:
                str = "f";
@@ -1181,34 +1203,10 @@ static void NORETURN die_user_resolve(const struct am_state *state)
  */
 static void am_append_signoff(struct am_state *state)
 {
-       char *cp;
-       struct strbuf mine = STRBUF_INIT;
        struct strbuf sb = STRBUF_INIT;
 
        strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
-
-       /* our sign-off */
-       strbuf_addf(&mine, "\n%s%s\n",
-                   sign_off_header,
-                   fmt_name(getenv("GIT_COMMITTER_NAME"),
-                            getenv("GIT_COMMITTER_EMAIL")));
-
-       /* Does sb end with it already? */
-       if (mine.len < sb.len &&
-           !strcmp(mine.buf, sb.buf + sb.len - mine.len))
-               goto exit; /* no need to duplicate */
-
-       /* Does it have any Signed-off-by: in the text */
-       for (cp = sb.buf;
-            cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
-            cp = strchr(cp, '\n')) {
-               if (sb.buf == cp || cp[-1] == '\n')
-                       break;
-       }
-
-       strbuf_addstr(&sb, mine.buf + !!cp);
-exit:
-       strbuf_release(&mine);
+       append_signoff(&sb, 0, 0);
        state->msg = strbuf_detach(&sb, &state->msg_len);
 }
 
@@ -2107,6 +2105,7 @@ static int safe_to_abort(const struct am_state *state)
                        die(_("could not parse %s"), am_path(state, "abort-safety"));
        } else
                oidclr(&abort_safety);
+       strbuf_release(&sb);
 
        if (get_oid("HEAD", &head))
                oidclr(&head);