-
/*
* install-mh.c -- initialize the nmh environment of a new user
*
* $Id$
+ *
+ * This code is Copyright (c) 2002, by the authors of nmh. See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
*/
-#include <h/mh.h>
-#include <pwd.h>
+#include <h/mh.h> /* mh internals */
+#include <h/utils.h>
+#include <pwd.h> /* structure for getpwuid() results */
static struct swit switches[] = {
#define AUTOSW 0
{ "version", 0 },
#define HELPSW 2
{ "help", 0 },
+#define CHECKSW 3
+ { "check", 1 },
{ NULL, 0 }
};
-static char *message[] = {
- "Prior to using nmh, it is necessary to have a file in your login",
- "directory (%s) named %s which contains information",
- "to direct certain nmh operations. The only item which is required",
- "is the path to use for all nmh folder operations. The suggested nmh",
- "path for you is %s/Mail...",
- NULL
-};
-
/*
* static prototypes
*/
int
main (int argc, char **argv)
{
- int i, autof = 0;
- char *cp, *path, buf[BUFSIZ];
+ int autof = 0;
+ char *cp, *pathname, buf[BUFSIZ];
char *dp, **arguments, **argp;
struct node *np;
struct passwd *pw;
struct stat st;
FILE *in, *out;
+ int check;
#ifdef LOCALE
setlocale(LC_ALL, "");
arguments = getarguments (invo_name, argc, argv, 0);
argp = arguments;
+ check = 0;
+
while ((dp = *argp++)) {
if (*dp == '-') {
switch (smatch (++dp, switches)) {
case AUTOSW:
autof++;
continue;
+
+ case CHECKSW:
+ check = 1;
+ continue;
}
} else {
adios (NULL, "%s is invalid argument", dp);
}
}
- /* straight from context_read ... */
- if (mypath == NULL) {
- if ((mypath = getenv ("HOME"))) {
- mypath = getcpy (mypath);
- } else {
- if ((pw = getpwuid (getuid ())) == NULL
- || pw->pw_dir == NULL
- || *pw->pw_dir == 0)
- adios (NULL, "no HOME envariable");
- else
- mypath = getcpy (pw->pw_dir);
- }
- if ((cp = mypath + strlen (mypath) - 1) > mypath && *cp == '/')
- *cp = 0;
+ /*
+ * Find user's home directory. Try the HOME environment variable first,
+ * the home directory field in the password file if that's not found.
+ */
+
+ if ((mypath = getenv("HOME")) == (char *)0) {
+ if ((pw = getpwuid(getuid())) == (struct passwd *)0 || *pw->pw_dir == '\0')
+ adios(NULL, "cannot determine your home directory");
+ else
+ mypath = pw->pw_dir;
}
- defpath = concat (mypath, "/", mh_profile, NULL);
+
+ /*
+ * Find the user's profile. Check for the existence of an MH environment
+ * variable first with non-empty contents. Convert any relative path name
+ * found there to an absolute one. Look for the profile in the user's home
+ * directory if the MH environment variable isn't set.
+ */
+
+ if ((cp = getenv("MH")) && *cp != '\0')
+ defpath = path(cp, TFILE);
+ else
+ defpath = concat(mypath, "/", mh_profile, NULL);
+
+ /*
+ * Check for the existence of the profile file. It's an error if it exists and
+ * this isn't an installation check. An installation check fails if it does not
+ * exist, succeeds if it does.
+ */
if (stat (defpath, &st) != NOTOK) {
- if (autof)
+ if (check)
+ done(0);
+
+ else if (autof)
adios (NULL, "invocation error");
else
- adios (NULL,
- "You already have an nmh profile, use an editor to modify it");
+ adios (NULL, "You already have an nmh profile, use an editor to modify it");
+ }
+ else if (check) {
+ done(1);
}
if (!autof && gans ("Do you want help? ", anoyes)) {
- putchar ('\n');
- for (i = 0; message[i]; i++) {
- printf (message[i], mypath, mh_profile);
- putchar ('\n');
- }
- putchar ('\n');
+ (void)printf(
+ "\n"
+ "Prior to using nmh, it is necessary to have a file in your login\n"
+ "directory (%s) named %s which contains information\n"
+ "to direct certain nmh operations. The only item which is required\n"
+ "is the path to use for all nmh folder operations. The suggested nmh\n"
+ "path for you is %s/Mail...\n"
+ "\n", mypath, mh_profile, mypath);
}
cp = concat (mypath, "/", "Mail", NULL);
cp = concat ("You already have the standard nmh directory \"",
cp, "\".\nDo you want to use it for nmh? ", NULL);
if (gans (cp, anoyes))
- path = "Mail";
+ pathname = "Mail";
else
goto query;
} else {
cp = concat ("Do you want the standard nmh path \"",
mypath, "/", "Mail\"? ", NULL);
if (autof || gans (cp, anoyes))
- path = "Mail";
+ pathname = "Mail";
else {
query:
if (gans ("Do you want a path below your login directory? ",
anoyes)) {
printf ("What is the path? %s/", mypath);
- path = geta ();
+ pathname = geta ();
} else {
printf ("What is the whole path? /");
- path = concat ("/", geta (), NULL);
+ pathname = concat ("/", geta (), NULL);
}
}
}
chdir (mypath);
- if (chdir (path) == NOTOK) {
- cp = concat ("\"", path, "\" doesn't exist; Create it? ", NULL);
+ if (chdir (pathname) == NOTOK) {
+ cp = concat ("\"", pathname, "\" doesn't exist; Create it? ", NULL);
if (autof || gans (cp, anoyes))
- if (makedir (path) == 0)
- adios (NULL, "unable to create %s", path);
+ if (makedir (pathname) == 0)
+ adios (NULL, "unable to create %s", pathname);
} else {
printf ("[Using existing directory]\n");
}
/*
* Add some initial elements to the profile/context list
*/
- if (!(m_defs = (struct node *) malloc (sizeof *np)))
- adios (NULL, "unable to allocate profile storage");
+ m_defs = (struct node *) mh_xmalloc (sizeof *np);
np = m_defs;
np->n_name = getcpy ("Path");
- np->n_field = getcpy (path);
+ np->n_field = getcpy (pathname);
np->n_context = 0;
np->n_next = NULL;
fprintf (out, "%s: %s\n", np->n_name, np->n_field);
}
fclose (out);
- return done (0);
+ done (0);
+ return 1;
}
projects / mmh / blobdiff