home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Geek Gadgets 1
/
ADE-1.bin
/
ade-dist
/
cvs-1.8.7-src.tgz
/
tar.out
/
fsf
/
cvs
/
src
/
logmsg.c
< prev
next >
Wrap
C/C++ Source or Header
|
1996-09-28
|
15KB
|
574 lines
/*
* Copyright (c) 1992, Brian Berliner and Jeff Polk
* Copyright (c) 1989-1992, Brian Berliner
*
* You may distribute under the terms of the GNU General Public License as
* specified in the README file that comes with the CVS 1.4 kit.
*/
#include "cvs.h"
#include "getline.h"
static int find_type PROTO((Node * p, void *closure));
static int fmt_proc PROTO((Node * p, void *closure));
static int logfile_write PROTO((char *repository, char *filter, char *title,
char *message, FILE * logfp, List * changes));
static int rcsinfo_proc PROTO((char *repository, char *template));
static int title_proc PROTO((Node * p, void *closure));
static int update_logfile_proc PROTO((char *repository, char *filter));
static void setup_tmpfile PROTO((FILE * xfp, char *xprefix, List * changes));
static int editinfo_proc PROTO((char *repository, char *template));
static FILE *fp;
static char *str_list;
static char *editinfo_editor;
static Ctype type;
/*
* Puts a standard header on the output which is either being prepared for an
* editor session, or being sent to a logfile program. The modified, added,
* and removed files are included (if any) and formatted to look pretty. */
static char *prefix;
static int col;
static char *tag;
static void
setup_tmpfile (xfp, xprefix, changes)
FILE *xfp;
char *xprefix;
List *changes;
{
/* set up statics */
fp = xfp;
prefix = xprefix;
type = T_MODIFIED;
if (walklist (changes, find_type, NULL) != 0)
{
(void) fprintf (fp, "%sModified Files:\n", prefix);
col = 0;
(void) walklist (changes, fmt_proc, NULL);
(void) fprintf (fp, "\n");
if (tag != NULL)
{
free (tag);
tag = NULL;
}
}
type = T_ADDED;
if (walklist (changes, find_type, NULL) != 0)
{
(void) fprintf (fp, "%sAdded Files:\n", prefix);
col = 0;
(void) walklist (changes, fmt_proc, NULL);
(void) fprintf (fp, "\n");
if (tag != NULL)
{
free (tag);
tag = NULL;
}
}
type = T_REMOVED;
if (walklist (changes, find_type, NULL) != 0)
{
(void) fprintf (fp, "%sRemoved Files:\n", prefix);
col = 0;
(void) walklist (changes, fmt_proc, NULL);
(void) fprintf (fp, "\n");
if (tag != NULL)
{
free (tag);
tag = NULL;
}
}
}
/*
* Looks for nodes of a specified type and returns 1 if found
*/
static int
find_type (p, closure)
Node *p;
void *closure;
{
struct logfile_info *li;
li = (struct logfile_info *) p->data;
if (li->type == type)
return (1);
else
return (0);
}
/*
* Breaks the files list into reasonable sized lines to avoid line wrap...
* all in the name of pretty output. It only works on nodes whose types
* match the one we're looking for
*/
static int
fmt_proc (p, closure)
Node *p;
void *closure;
{
struct logfile_info *li;
li = (struct logfile_info *) p->data;
if (li->type == type)
{
if (li->tag == NULL
? tag != NULL
: tag == NULL || strcmp (tag, li->tag) != 0)
{
if (col > 0)
(void) fprintf (fp, "\n");
(void) fprintf (fp, "%s", prefix);
col = strlen (prefix);
while (col < 6)
{
(void) fprintf (fp, " ");
++col;
}
if (li->tag == NULL)
(void) fprintf (fp, "No tag");
else
(void) fprintf (fp, "Tag: %s", li->tag);
if (tag != NULL)
free (tag);
tag = xstrdup (li->tag);
/* Force a new line. */
col = 70;
}
if (col == 0)
{
(void) fprintf (fp, "%s\t", prefix);
col = 8;
}
else if (col > 8 && (col + (int) strlen (p->key)) > 70)
{
(void) fprintf (fp, "\n%s\t", prefix);
col = 8;
}
(void) fprintf (fp, "%s ", p->key);
col += strlen (p->key) + 1;
}
return (0);
}
/*
* 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 (dir, messagep, repository, changes)
char *dir;
char **messagep;
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;
char *p;
if (noexec || reuse_log_message)
return;
/* Abort creation of temp file if no editor is defined */
if (strcmp (Editor, "") == 0 && !editinfo_editor)
error(1, 0, "no editor defined, must use -e or -m");
/* Create a temporary file */
fname = cvs_temp_name ();
again:
if ((fp = CVS_FOPEN (fname, "w+")) == NULL)
error (1, 0, "cannot create temporary file %s", fname);
if (*messagep)
{
(void) fprintf (fp, "%s", *messagep);
if ((*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, 1);
else
{
FILE *tfp;
char buf[1024];
char *p;
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))
{
n = fread (buf, 1, sizeof buf, tfp);
nwrite = n;
p = buf;
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, 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 ( CVS_STAT (fname, &pre_stbuf) == -1)
pre_stbuf.st_mtime = 0;
if (editinfo_editor)
free (editinfo_editor);
editinfo_editor = (char *) NULL;
if (repository != NULL)
(void) Parse_Info (CVSROOTADM_EDITINFO, repository, editinfo_proc, 0);
/* run the editor */
run_setup ("%s", editinfo_editor ? editinfo_editor : Editor);
run_arg (fname);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, RUN_TTY,
RUN_NORMAL | RUN_SIGIGNORE)) != 0)
error (editinfo_editor ? 1 : 0, retcode == -1 ? errno : 0,
editinfo_editor ? "Logfile verification failed" :
"warning: editor session failed");
/* put the entire message back into the *messagep variable */
fp = open_file (fname, "r");
if (*messagep)
free (*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)
{
p = *messagep;
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, sizeof (CVSEDITPREFIX) - 1) == 0)
continue;
(void) strcpy (p, line);
p += 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 (;;)
{
(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: (continue) ");
(void) fflush (stdout);
line_length = getline (&line, &line_chars_allocated, stdin);
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;
}
(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);
}
/*
* callback proc for Parse_Info for rcsinfo templates this routine basically
* copies the matching template onto the end of the tempfile we are setting
* up
*/
/* ARGSUSED */
static int
rcsinfo_proc (repository, template)
char *repository;
char *template;
{
static char *last_template;
FILE *tfp;
/* nothing to do if the last one included is the same as this one */
if (last_template && strcmp (last_template, template) == 0)
return (0);
if (last_template)
free (last_template);
last_template = xstrdup (template);
if ((tfp = CVS_FOPEN (template, "r")) != NULL)
{
char *line = NULL;
size_t line_chars_allocated = 0;
while (getline (&line, &line_chars_allocated, tfp) >= 0)
(void) fputs (line, fp);
if (ferror (tfp))
error (0, errno, "warning: cannot read %s", template);
if (fclose (tfp) < 0)
error (0, errno, "warning: cannot close %s", template);
if (line)
free (line);
return (0);
}
else
{
error (0, errno, "Couldn't open rcsinfo template file %s", template);
return (1);
}
}
/*
* Uses setup_tmpfile() to pass the updated message on directly to any
* logfile programs that have a regular expression match for the checked in
* directory in the source repository. The log information is fed into the
* specified program as standard input.
*/
static char *title;
static FILE *logfp;
static char *message;
static List *changes;
void
Update_Logfile (repository, xmessage, xlogfp, xchanges)
char *repository;
char *xmessage;
FILE *xlogfp;
List *xchanges;
{
char *srepos;
/* nothing to do if the list is empty */
if (xchanges == NULL || xchanges->list->next == xchanges->list)
return;
/* set up static vars for update_logfile_proc */
message = xmessage;
logfp = xlogfp;
changes = xchanges;
/* figure out a good title string */
srepos = Short_Repository (repository);
/* allocate a chunk of memory to hold the title string */
if (!str_list)
str_list = xmalloc (MAXLISTLEN);
str_list[0] = '\0';
type = T_TITLE;
(void) walklist (changes, title_proc, NULL);
type = T_ADDED;
(void) walklist (changes, title_proc, NULL);
type = T_MODIFIED;
(void) walklist (changes, title_proc, NULL);
type = T_REMOVED;
(void) walklist (changes, title_proc, NULL);
title = xmalloc (strlen (srepos) + strlen (str_list) + 1 + 2); /* for 's */
(void) sprintf (title, "'%s%s'", srepos, str_list);
/* to be nice, free up this chunk of memory */
free (str_list);
str_list = (char *) NULL;
/* call Parse_Info to do the actual logfile updates */
(void) Parse_Info (CVSROOTADM_LOGINFO, repository, update_logfile_proc, 1);
/* clean up */
free (title);
}
/*
* callback proc to actually do the logfile write from Update_Logfile
*/
static int
update_logfile_proc (repository, filter)
char *repository;
char *filter;
{
return (logfile_write (repository, filter, title, message, logfp,
changes));
}
/*
* concatenate each name onto str_list
*/
static int
title_proc (p, closure)
Node *p;
void *closure;
{
struct logfile_info *li;
li = (struct logfile_info *) p->data;
if (li->type == type)
{
(void) strcat (str_list, " ");
(void) strcat (str_list, p->key);
}
return (0);
}
/*
* Since some systems don't define this...
*/
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 256
#endif
/*
* Writes some stuff to the logfile "filter" and returns the status of the
* filter program.
*/
static int
logfile_write (repository, filter, title, message, logfp, changes)
char *repository;
char *filter;
char *title;
char *message;
FILE *logfp;
List *changes;
{
char cwd[PATH_MAX];
FILE *pipefp;
char *prog = xmalloc (MAXPROGLEN);
char *cp;
int c;
int pipestatus;
/*
* Only 1 %s argument is supported in the filter
*/
(void) sprintf (prog, filter, title);
if ((pipefp = run_popen (prog, "w")) == NULL)
{
if (!noexec)
error (0, 0, "cannot write entry to log filter: %s", prog);
free (prog);
return (1);
}
(void) fprintf (pipefp, "Update of %s\n", repository);
(void) fprintf (pipefp, "In directory %s:%s\n\n", hostname,
((cp = getwd (cwd)) != NULL) ? cp : cwd);
setup_tmpfile (pipefp, "", changes);
(void) fprintf (pipefp, "Log Message:\n%s\n", message);
if (logfp != (FILE *) 0)
{
(void) fprintf (pipefp, "Status:\n");
rewind (logfp);
while ((c = getc (logfp)) != EOF)
(void) putc ((char) c, pipefp);
}
free (prog);
pipestatus = pclose (pipefp);
return ((pipestatus == -1) || (pipestatus == 127)) ? 1 : 0;
}
/*
* We choose to use the *last* match within the editinfo file for this
* repository. This allows us to have a global editinfo program for the
* root of some hierarchy, for example, and different ones within different
* sub-directories of the root (like a special checker for changes made to
* the "src" directory versus changes made to the "doc" or "test"
* directories.
*/
/* ARGSUSED */
static int
editinfo_proc(repository, editor)
char *repository;
char *editor;
{
/* nothing to do if the last match is the same as this one */
if (editinfo_editor && strcmp (editinfo_editor, editor) == 0)
return (0);
if (editinfo_editor)
free (editinfo_editor);
editinfo_editor = xstrdup (editor);
return (0);
}