/*
* Builds a temporary file using setup_tmpfile() and invokes the user's
* editor on the file. The header garbage in the resultant file is then
* stripped and the log message is stored in the "message" argument.
*
* If REPOSITORY is non-NULL, process rcsinfo for that repository; if it
* is NULL, use the CVSADM_TEMPLATE file instead. REPOSITORY should be
* NULL when running in client mode.
*
* GLOBALS
* Editor Set to a default value by configure and overridable using the
* -e option to the CVS executable.
*/
void
do_editor (const char *dir, char **messagep, const char *repository,
List *changes)
{
static int reuse_log_message = 0;
char *line;
int line_length;
size_t line_chars_allocated;
char *fname;
struct stat pre_stbuf, post_stbuf;
int retcode = 0;
assert (!current_parsed_root->isremote != !repository);
if (noexec || reuse_log_message)
return;
/* Abort before creation of the temp file if no editor is defined. */
if (strcmp (Editor, "") == 0)
error(1, 0, "no editor defined, must use -e or -m");
again:
/* Create a temporary file. */
if( ( fp = cvs_temp_file( &fname ) ) == NULL )
error( 1, errno, "cannot create temporary file" );
if (*messagep)
{
(void) fputs (*messagep, fp);
if ((*messagep)[0] == '\0' ||
(*messagep)[strlen (*messagep) - 1] != '\n')
(void) fprintf (fp, "\n");
}
else
(void) fprintf (fp, "\n");
if (repository != NULL)
/* tack templates on if necessary */
(void) Parse_Info (CVSROOTADM_RCSINFO, repository, rcsinfo_proc,
PIOPT_ALL, NULL);
else
{
FILE *tfp;
char buf[1024];
size_t n;
size_t nwrite;
/* Why "b"? */
tfp = CVS_FOPEN (CVSADM_TEMPLATE, "rb");
if (tfp == NULL)
{
if (!existence_error (errno))
error (1, errno, "cannot read %s", CVSADM_TEMPLATE);
}
else
{
while (!feof (tfp))
{
char *p = buf;
n = fread (buf, 1, sizeof buf, tfp);
nwrite = n;
while (nwrite > 0)
{
n = fwrite (p, 1, nwrite, fp);
nwrite -= n;
p += n;
}
if (ferror (tfp))
error (1, errno, "cannot read %s", CVSADM_TEMPLATE);
}
if (fclose (tfp) < 0)
error (0, errno, "cannot close %s", CVSADM_TEMPLATE);
}
}
(void) fprintf (fp,
"%s----------------------------------------------------------------------\n",
CVSEDITPREFIX);
(void) fprintf (fp,
"%sEnter Log. Lines beginning with `%.*s' are removed automatically\n%s\n",
CVSEDITPREFIX, CVSEDITPREFIXLEN, CVSEDITPREFIX,
CVSEDITPREFIX);
if (dir != NULL && *dir)
(void) fprintf (fp, "%sCommitting in %s\n%s\n", CVSEDITPREFIX,
dir, CVSEDITPREFIX);
if (changes != NULL)
setup_tmpfile (fp, CVSEDITPREFIX, changes);
(void) fprintf (fp,
"%s----------------------------------------------------------------------\n",
CVSEDITPREFIX);
/* finish off the temp file */
if (fclose (fp) == EOF)
error (1, errno, "%s", fname);
if (stat (fname, &pre_stbuf) == -1)
pre_stbuf.st_mtime = 0;
/* run the editor */
run_setup (Editor);
run_add_arg (fname);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, RUN_TTY,
RUN_NORMAL | RUN_SIGIGNORE | RUN_UNSETXID)) != 0)
error (0, retcode == -1 ? errno : 0, "warning: editor session failed");
/* put the entire message back into the *messagep variable */
fp = xfopen (fname, "r");
if (*messagep)
free (*messagep);
if (stat (fname, &post_stbuf) != 0)
error (1, errno, "cannot find size of temp file %s", fname);
if (post_stbuf.st_size == 0)
*messagep = NULL;
else
{
/* On NT, we might read less than st_size bytes, but we won't
read more. So this works. */
*messagep = (char *) xmalloc (post_stbuf.st_size + 1);
(*messagep)[0] = '\0';
}
line = NULL;
line_chars_allocated = 0;
if (*messagep)
{
size_t message_len = post_stbuf.st_size + 1;
size_t offset = 0;
while (1)
{
line_length = getline (&line, &line_chars_allocated, fp);
if (line_length == -1)
{
if (ferror (fp))
error (0, errno, "warning: cannot read %s", fname);
break;
}
if (strncmp (line, CVSEDITPREFIX, CVSEDITPREFIXLEN) == 0)
continue;
if (offset + line_length >= message_len)
expand_string (messagep, &message_len,
offset + line_length + 1);
(void) strcpy (*messagep + offset, line);
offset += line_length;
}
}
if (fclose (fp) < 0)
error (0, errno, "warning: cannot close %s", fname);
/* canonicalize emply messages */
if (*messagep != NULL &&
(**messagep == '\0' || strcmp (*messagep, "\n") == 0))
{
free (*messagep);
*messagep = NULL;
}
if (pre_stbuf.st_mtime == post_stbuf.st_mtime || *messagep == NULL)
{
for (;;)
{
(void) printf ("\nLog message unchanged or not specified\n");
(void) printf ("a)bort, c)ontinue, e)dit, !)reuse this message unchanged for remaining dirs\n");
(void) printf ("Action: (abort) ");
(void) fflush (stdout);
line_length = getline (&line, &line_chars_allocated, stdin);
if (line_length < 0)
{
error (0, errno, "cannot read from stdin");
if (unlink_file (fname) < 0)
error (0, errno,
"warning: cannot remove temp file %s", fname);
error (1, 0, "aborting");
}
else if (line_length == 0
|| *line == '\n' || *line == 'a' || *line == 'A')
{
if (unlink_file (fname) < 0)
error (0, errno, "warning: cannot remove temp file %s", fname);
error (1, 0, "aborted by user");
}
if (*line == 'c' || *line == 'C')
break;
if (*line == 'e' || *line == 'E')
goto again;
if (*line == '!')
{
reuse_log_message = 1;
break;
}
(void) printf ("Unknown input\n");
}
}
if (line)
free (line);
if (unlink_file (fname) < 0)
error (0, errno, "warning: cannot remove temp file %s", fname);
free (fname);
}
/*
* Builds a temporary file using setup_tmpfile() and invokes the user's
* editor on the file. The header garbage in the resultant file is then
* stripped and the log message is stored in the "message" argument.
*
* If REPOSITORY is non-NULL, process rcsinfo for that repository; if it
* is NULL, use the CVSADM_TEMPLATE file instead.
*/
void do_editor (const char *dir, char **messagep, const char *repository, List *changes)
{
static int reuse_log_message = 0;
char *line;
int line_length;
size_t line_chars_allocated;
char *fname;
struct stat pre_stbuf, post_stbuf;
int retcode = 0;
if (noexec || reuse_log_message)
return;
/* Abort creation of temp file if no editor is defined */
if (strcmp (Editor, "") == 0)
error(1, 0, "no editor defined, must use -e or -m");
/* Create a temporary file */
/* FIXME - It's possible we should be relying on cvs_temp_file to open
* the file here - we get race conditions otherwise.
*/
fname = cvs_temp_name ();
again:
if ((fp = CVS_FOPEN (fname, "w+")) == NULL)
error (1, 0, "cannot create temporary file %s", fname);
if (*messagep)
{
fprintf (fp, "%s", *messagep);
if ((*messagep)[0] == '\0' ||
(*messagep)[strlen (*messagep) - 1] != '\n')
fprintf (fp, "\n");
}
if (repository != NULL)
{
rcsinfo_param_t args;
args.directory = Short_Repository(repository);
args.message=NULL;
/* tack templates on if necessary */
TRACE(3,"run rcsinfo trigger");
if(!run_trigger(&args,rcsinfo_proc) && args.message)
{
fprintf(fp,"%s",args.message);
if (args.message[0] == '\0' || args.message[strlen(args.message) - 1] != '\n')
fprintf (fp, "\n");
}
}
else
{
FILE *tfp;
char buf[1024];
size_t n;
size_t nwrite;
/* Why "b"? */
tfp = CVS_FOPEN (CVSADM_TEMPLATE, "rb");
if (tfp == NULL)
{
if (!existence_error (errno))
error (1, errno, "cannot read %s", CVSADM_TEMPLATE);
}
else
{
while (!feof (tfp))
{
char *p = buf;
n = fread (buf, 1, sizeof buf, tfp);
nwrite = n;
while (nwrite > 0)
{
n = fwrite (p, 1, nwrite, fp);
nwrite -= n;
p += n;
}
if (ferror (tfp))
error (1, errno, "cannot read %s", CVSADM_TEMPLATE);
}
if (fclose (tfp) < 0)
error (0, errno, "cannot close %s", CVSADM_TEMPLATE);
}
}
fprintf (fp,"%s----------------------------------------------------------------------\n",CVSEDITPREFIX);
#ifdef _WIN32
#if (CVSNT_SPECIAL_BUILD_FLAG != 0)
if (strcasecmp(CVSNT_SPECIAL_BUILD,"Suite")!=0)
#endif
{
fprintf (fp,"%s Committed on the Free edition of March Hare Software CVSNT Server\n",CVSEDITPREFIX);
fprintf (fp,"%s Upgrade to CVS Suite for more features and support:\n",CVSEDITPREFIX);
fprintf (fp,"%s http://march-hare.com/cvsnt/\n",CVSEDITPREFIX);
fprintf (fp,"%s----------------------------------------------------------------------\n",CVSEDITPREFIX);
}
#endif
fprintf (fp,"%sEnter Log. Lines beginning with `%.*s' are removed automatically\n%s\n",
CVSEDITPREFIX, CVSEDITPREFIXLEN, CVSEDITPREFIX,CVSEDITPREFIX);
if (dir != NULL && *dir)
fprintf (fp, "%sCommitting in %s\n%s\n", CVSEDITPREFIX, dir, CVSEDITPREFIX);
if (changes != NULL)
setup_tmpfile (fp, CVSEDITPREFIX, changes);
fprintf (fp,"%s----------------------------------------------------------------------\n",
CVSEDITPREFIX);
/* finish off the temp file */
if (fclose (fp) == EOF)
error (1, errno, "%s", fname);
if ( CVS_STAT (fname, &pre_stbuf) == -1)
pre_stbuf.st_mtime = 0;
/* run the editor */
run_setup (Editor);
run_arg (fname);
if ((retcode = run_exec (true)) != 0)
error (0, retcode == -1 ? errno : 0, "warning: editor session failed");
/* put the entire message back into the *messagep variable */
fp = open_file (fname, "r");
if (*messagep)
xfree (*messagep);
if ( CVS_STAT (fname, &post_stbuf) != 0)
error (1, errno, "cannot find size of temp file %s", fname);
if (post_stbuf.st_size == 0)
*messagep = NULL;
else
{
/* On NT, we might read less than st_size bytes, but we won't
read more. So this works. */
*messagep = (char *) xmalloc (post_stbuf.st_size + 1);
*messagep[0] = '\0';
}
line = NULL;
line_chars_allocated = 0;
if (*messagep)
{
size_t message_len = post_stbuf.st_size + 1;
size_t offset = 0;
while (1)
{
line_length = getline (&line, &line_chars_allocated, fp);
if (line_length == -1)
{
if (ferror (fp))
error (0, errno, "warning: cannot read %s", fname);
break;
}
if (strncmp (line, CVSEDITPREFIX, CVSEDITPREFIXLEN) == 0)
continue;
if (offset + line_length >= message_len)
expand_string (messagep, &message_len, offset + line_length + 1);
strcpy (*messagep + offset, line);
offset += line_length;
}
}
if (fclose (fp) < 0)
error (0, errno, "warning: cannot close %s", fname);
if (pre_stbuf.st_mtime == post_stbuf.st_mtime || *messagep == NULL || strcmp (*messagep, "\n") == 0)
{
for (;;)
{
printf ("\nLog message unchanged or not specified\n");
printf ("a)bort, c)ontinue, e)dit, !)reuse this message unchanged for remaining dirs\n");
printf ("Action: (continue) ");
fflush (stderr);
fflush (stdout);
line_length = getline (&line, &line_chars_allocated, stdin);
if (line_length < 0)
{
error (0, errno, "cannot read from stdin");
if (unlink_file (fname) < 0)
error (0, errno, "warning: cannot remove temp file %s", fname);
error (1, 0, "aborting");
}
else if (line_length == 0 || *line == '\n' || *line == 'c' || *line == 'C')
break;
if (*line == 'a' || *line == 'A')
{
if (unlink_file (fname) < 0)
error (0, errno, "warning: cannot remove temp file %s", fname);
error (1, 0, "aborted by user");
}
if (*line == 'e' || *line == 'E')
goto again;
if (*line == '!')
{
reuse_log_message = 1;
break;
}
printf ("Unknown input\n");
}
}
if (line)
xfree (line);
if (unlink_file (fname) < 0)
error (0, errno, "warning: cannot remove temp file %s", fname);
xfree (fname);
}
