-
/*
* 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>
-
-static struct swit switches[] = {
-#define AUTOSW 0
- { "auto", 0 },
-#define VERSIONSW 1
- { "version", 0 },
-#define HELPSW 2
- { "help", 0 },
- { 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
-};
+#include <h/mh.h> /* mh internals */
+#include <h/utils.h>
+#include <pwd.h> /* structure for getpwuid() results */
-/*
- * static prototypes
- */
-static char *geta(void);
+#define INSTALLMH_SWITCHES \
+ X("auto", 0, AUTOSW) \
+ X("version", 0, VERSIONSW) \
+ X("help", 0, HELPSW) \
+ X("check", 1, CHECKSW) \
+
+#define X(sw, minchars, id) id,
+DEFINE_SWITCH_ENUM(INSTALLMH);
+#undef X
+
+#define X(sw, minchars, id) { sw, minchars, id },
+DEFINE_SWITCH_ARRAY(INSTALLMH, switches);
+#undef X
int
main (int argc, char **argv)
{
- int i, autof = 0;
- char *cp, *path, buf[BUFSIZ];
+ int autof = 0;
+ char *cp, buf[BUFSIZ];
+ const char *pathname;
char *dp, **arguments, **argp;
struct node *np;
struct passwd *pw;
struct stat st;
FILE *in, *out;
+ int check;
+
+ if (nmh_init(argv[0], 0 /* use context_foil() */ )) { return 1; }
-#ifdef LOCALE
- setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
arguments = getarguments (invo_name, argc, argv, 0);
argp = arguments;
+ check = 0;
+
while ((dp = *argp++)) {
if (*dp == '-') {
switch (smatch (++dp, switches)) {
case HELPSW:
snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
print_help (buf, switches, 0);
- done (1);
+ done (0);
case VERSIONSW:
print_version(invo_name);
- done (1);
+ done (0);
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")) == NULL) {
+ if ((pw = getpwuid(getuid())) == NULL || *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');
+ if (!autof && read_switch ("Do you want help? ", anoyes)) {
+ (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);
if (S_ISDIR(st.st_mode)) {
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";
+ if (read_switch (cp, anoyes))
+ pathname = "Mail";
else
goto query;
} else {
else
cp = concat ("Do you want the standard nmh path \"",
mypath, "/", "Mail\"? ", NULL);
- if (autof || gans (cp, anoyes))
- path = "Mail";
+ if (autof || read_switch (cp, anoyes))
+ pathname = "Mail";
else {
query:
- if (gans ("Do you want a path below your login directory? ",
+ if (read_switch ("Do you want a path below your login directory? ",
anoyes)) {
printf ("What is the path? %s/", mypath);
- path = geta ();
+ pathname = read_line ();
+ if (pathname == NULL) done (1);
} else {
printf ("What is the whole path? /");
- path = concat ("/", geta (), NULL);
+ pathname = read_line ();
+ if (pathname == NULL) done (1);
+ pathname = concat ("/", pathname, NULL);
}
}
}
- chdir (mypath);
- if (chdir (path) == NOTOK) {
- cp = concat ("\"", path, "\" doesn't exist; Create it? ", NULL);
- if (autof || gans (cp, anoyes))
- if (makedir (path) == 0)
- adios (NULL, "unable to create %s", path);
+ if (chdir (mypath) < 0) {
+ advise (mypath, "chdir");
+ }
+ if (chdir (pathname) == NOTOK) {
+ cp = concat ("\"", pathname, "\" doesn't exist; Create it? ", NULL);
+ if (autof || read_switch (cp, anoyes))
+ 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");
- np = m_defs;
- np->n_name = getcpy ("Path");
- np->n_field = getcpy (path);
+ NEW(np);
+ m_defs = np;
+ np->n_name = mh_xstrdup("Path");
+ np->n_field = mh_xstrdup(pathname);
np->n_context = 0;
np->n_next = NULL;
*/
if ((out = fopen (defpath, "w")) == NULL)
adios (defpath, "unable to write");
+ /*
+ * The main purpose of this first line is to fool file(1).
+ * Without it, if the first line of the profile is Path:,
+ * file 5.19 reports its type as message/news. With it,
+ * it reports the type as text/plain.
+ */
+ fprintf (out, "MH-Profile-Version: 1.0\n");
for (np = m_defs; np; np = np->n_next) {
if (!np->n_context)
fprintf (out, "%s: %s\n", np->n_name, np->n_field);
}
fclose (out);
- return done (0);
-}
+ puts ("\nPlease see the nmh(7) man page for an introduction to nmh.\n");
+ print_intro (stdout, FALSE);
-static char *
-geta (void)
-{
- char *cp;
- static char line[BUFSIZ];
-
- fflush(stdout);
- if (fgets(line, sizeof(line), stdin) == NULL)
- done (1);
- if ((cp = strchr(line, '\n')))
- *cp = 0;
- return line;
+ /* Initialize the saved nmh version. The Path profile entry was added
+ above, that's all this needs. */
+ (void) nmh_version_changed (0);
+
+ done (0);
+ return 1;
}