home *** CD-ROM | disk | FTP | other *** search
- /*
- * .cvsignore file support contributed by David G. Grubbs <dgg@odi.com>
- */
-
- #include "cvs.h"
-
- /*
- * Ignore file section.
- *
- * "!" may be included any time to reset the list (i.e. ignore nothing);
- * "*" may be specified to ignore everything. It stays as the first
- * element forever, unless a "!" clears it out.
- */
-
- static char **ign_list; /* List of files to ignore in update
- * and import */
- static char **s_ign_list = NULL;
- static int ign_count; /* Number of active entries */
- static int s_ign_count = 0;
- static int ign_size; /* This many slots available (plus
- * one for a NULL) */
- static int ign_hold; /* Index where first "temporary" item
- * is held */
-
- const char *ign_default = ". .. core RCSLOG tags TAGS RCS SCCS .make.state\
- .nse_depinfo #* .#* cvslog.* ,* CVS CVS.adm .del-* *.a *.olb *.o *.obj\
- *.so *.Z *~ *.old *.elc *.ln *.bak *.BAK *.orig *.rej *.exe _$* *$";
-
- #define IGN_GROW 16 /* grow the list by 16 elements at a
- * time */
-
- /* Nonzero if we have encountered an -I ! directive, which means one should
- no longer ask the server about what is in CVSROOTADM_IGNORE. */
- int ign_inhibit_server;
-
- /*
- * To the "ignore list", add the hard-coded default ignored wildcards above,
- * the wildcards found in $CVSROOT/CVSROOT/cvsignore, the wildcards found in
- * ~/.cvsignore and the wildcards found in the CVSIGNORE environment
- * variable.
- */
- void
- ign_setup ()
- {
- struct passwd *pw;
- char file[PATH_MAX];
- char *tmp;
-
- ign_inhibit_server = 0;
-
- /* Start with default list and special case */
- tmp = xstrdup (ign_default);
- ign_add (tmp, 0);
- free (tmp);
-
- #ifdef CLIENT_SUPPORT
- /* The client handles another way, by (after it does its own ignore file
- processing, and only if !ign_inhibit_server), letting the server
- know about the files and letting it decide whether to ignore
- them based on CVSROOOTADM_IGNORE. */
- if (!client_active)
- #endif
- {
- /* Then add entries found in repository, if it exists */
- (void) sprintf (file, "%s/%s/%s", CVSroot, CVSROOTADM,
- CVSROOTADM_IGNORE);
- ign_add_file (file, 0);
- }
-
- /* Then add entries found in home dir, (if user has one) and file exists */
- if ((pw = (struct passwd *) getpwuid (getuid ())) && pw->pw_dir)
- {
- (void) sprintf (file, "%s/%s", pw->pw_dir, CVSDOTIGNORE);
- ign_add_file (file, 0);
- }
-
- /* Then add entries found in CVSIGNORE environment variable. */
- ign_add (getenv (IGNORE_ENV), 0);
-
- /* Later, add ignore entries found in -I arguments */
- }
-
- /*
- * Open a file and read lines, feeding each line to a line parser. Arrange
- * for keeping a temporary list of wildcards at the end, if the "hold"
- * argument is set.
- */
- void
- ign_add_file (file, hold)
- char *file;
- int hold;
- {
- FILE *fp;
- char line[1024];
-
- /* restore the saved list (if any) */
- if (s_ign_list != NULL)
- {
- int i;
-
- for (i = 0; i < s_ign_count; i++)
- ign_list[i] = s_ign_list[i];
- ign_count = s_ign_count;
- ign_list[ign_count] = NULL;
-
- s_ign_count = 0;
- free (s_ign_list);
- s_ign_list = NULL;
- }
-
- /* is this a temporary ignore file? */
- if (hold)
- {
- /* re-set if we had already done a temporary file */
- if (ign_hold)
- {
- int i;
-
- for (i = ign_hold; i < ign_count; i++)
- free (ign_list[i]);
- ign_count = ign_hold;
- ign_list[ign_count] = NULL;
- }
- else
- {
- ign_hold = ign_count;
- }
- }
-
- /* load the file */
- fp = fopen (file, "r");
- if (fp == NULL)
- {
- if (! existence_error (errno))
- error (0, errno, "cannot open %s", file);
- return;
- }
- while (fgets (line, sizeof (line), fp))
- ign_add (line, hold);
- if (fclose (fp) < 0)
- error (0, errno, "cannot close %s", file);
- }
-
- /* Parse a line of space-separated wildcards and add them to the list. */
- void
- ign_add (ign, hold)
- char *ign;
- int hold;
- {
- if (!ign || !*ign)
- return;
-
- for (; *ign; ign++)
- {
- char *mark;
- char save;
-
- /* ignore whitespace before the token */
- if (isspace (*ign))
- continue;
-
- /*
- * if we find a single character !, we must re-set the ignore list
- * (saving it if necessary). We also catch * as a special case in a
- * global ignore file as an optimization
- */
- if ((!*(ign+1) || isspace (*(ign+1))) && (*ign == '!' || *ign == '*'))
- {
- if (!hold)
- {
- /* permanently reset the ignore list */
- int i;
-
- for (i = 0; i < ign_count; i++)
- free (ign_list[i]);
- ign_count = 0;
- ign_list[0] = NULL;
-
- /* if we are doing a '!', continue; otherwise add the '*' */
- if (*ign == '!')
- {
- ign_inhibit_server = 1;
- continue;
- }
- }
- else if (*ign == '!')
- {
- /* temporarily reset the ignore list */
- int i;
-
- if (ign_hold)
- {
- for (i = ign_hold; i < ign_count; i++)
- free (ign_list[i]);
- ign_hold = 0;
- }
- s_ign_list = (char **) xmalloc (ign_count * sizeof (char *));
- for (i = 0; i < ign_count; i++)
- s_ign_list[i] = ign_list[i];
- s_ign_count = ign_count;
- ign_count = 0;
- ign_list[0] = NULL;
- continue;
- }
- }
-
- /* If we have used up all the space, add some more */
- if (ign_count >= ign_size)
- {
- ign_size += IGN_GROW;
- ign_list = (char **) xrealloc ((char *) ign_list,
- (ign_size + 1) * sizeof (char *));
- }
-
- /* find the end of this token */
- for (mark = ign; *mark && !isspace (*mark); mark++)
- /* do nothing */ ;
-
- save = *mark;
- *mark = '\0';
-
- ign_list[ign_count++] = xstrdup (ign);
- ign_list[ign_count] = NULL;
-
- *mark = save;
- if (save)
- ign = mark;
- else
- ign = mark - 1;
- }
- }
-
- /* Set to 1 if ignore file patterns should be matched in a case-insensitive
- fashion. */
- int ign_case;
-
- /* Return 1 if the given filename should be ignored by update or import. */
- int
- ign_name (name)
- char *name;
- {
- char **cpp = ign_list;
-
- if (cpp == NULL)
- return (0);
-
- if (ign_case)
- {
- /* We do a case-insensitive match by calling fnmatch on copies of
- the pattern and the name which have been converted to
- lowercase. */
- char *name_lower;
- char *pat_lower;
- char *p;
-
- name_lower = xstrdup (name);
- for (p = name_lower; *p != '\0'; ++p)
- *p = tolower (*p);
- while (*cpp)
- {
- pat_lower = xstrdup (*cpp++);
- for (p = pat_lower; *p != '\0'; ++p)
- *p = tolower (*p);
- if (fnmatch (pat_lower, name_lower, 0) == 0)
- goto matched;
- free (pat_lower);
- }
- free (name_lower);
- return 0;
- matched:
- free (name_lower);
- free (pat_lower);
- return 1;
- }
- else
- {
- while (*cpp)
- if (fnmatch (*cpp++, name, 0) == 0)
- return 1;
- return 0;
- }
- }
-
- /* FIXME: This list of dirs to ignore stuff seems not to be used. */
-
- static char **dir_ign_list = NULL;
- static int dir_ign_max = 0;
- static int dir_ign_current = 0;
-
- /* add a directory to list of dirs to ignore */
- void ign_dir_add (name)
- char *name;
- {
- /* make sure we've got the space for the entry */
- if (dir_ign_current <= dir_ign_max)
- {
- dir_ign_max += IGN_GROW;
- dir_ign_list = (char **) xrealloc ((char *) dir_ign_list, (dir_ign_max+1) * sizeof(char*));
- }
-
- dir_ign_list[dir_ign_current] = name;
-
- dir_ign_current += 1 ;
- }
-
-
- /* this function returns 1 (true) if the given directory name is part of
- * the list of directories to ignore
- */
-
- int ignore_directory (name)
- char *name;
- {
- int i;
-
- if (!dir_ign_list)
- return 0;
-
- i = dir_ign_current;
- while (i--)
- {
- if (strncmp(name, dir_ign_list[i], strlen(dir_ign_list[i])) == 0)
- return 1;
- }
-
- return 0;
- }
-
- /*
- * Process the current directory, looking for files not in ILIST and not on
- * the global ignore list for this directory. If we find one, call PROC
- * passing it the name of the file and the update dir.
- */
- void
- ignore_files (ilist, update_dir, proc)
- List *ilist;
- char *update_dir;
- Ignore_proc proc;
- {
- DIR *dirp;
- struct dirent *dp;
- struct stat sb;
- char *file;
- char *xdir;
-
- /* we get called with update_dir set to "." sometimes... strip it */
- if (strcmp (update_dir, ".") == 0)
- xdir = "";
- else
- xdir = update_dir;
-
- dirp = opendir (".");
- if (dirp == NULL)
- return;
-
- ign_add_file (CVSDOTIGNORE, 1);
- wrap_add_file (CVSDOTWRAPPER, 1);
-
- while ((dp = readdir (dirp)) != NULL)
- {
- file = dp->d_name;
- if (strcmp (file, ".") == 0 || strcmp (file, "..") == 0)
- continue;
- if (findnode_fn (ilist, file) != NULL)
- continue;
-
- if (
- #ifdef DT_DIR
- dp->d_type != DT_UNKNOWN ||
- #endif
- lstat(file, &sb) != -1)
- {
-
- if (
- #ifdef DT_DIR
- dp->d_type == DT_DIR || dp->d_type == DT_UNKNOWN &&
- #endif
- S_ISDIR(sb.st_mode))
- {
- char temp[PATH_MAX];
-
- (void) sprintf (temp, "%s/%s", file, CVSADM);
- if (isdir (temp))
- continue;
- }
- #ifdef S_ISLNK
- else if (
- #ifdef DT_DIR
- dp->d_type == DT_LNK || dp->d_type == DT_UNKNOWN &&
- #endif
- S_ISLNK(sb.st_mode))
- {
- continue;
- }
- #endif
- }
-
- /* We could be ignoring FIFOs and other files which are neither
- regular files nor directories here. */
- if (ign_name (file))
- continue;
- (*proc) (file, xdir);
- }
- (void) closedir (dirp);
- }
-