new package: neomutt

Requested in https://github.com/termux/termux-packages/issues/6207.

packages/neomutt/autosetup-config.guess.patch

@@ -0,0 +1,13 @@
+diff --git a/autosetup/autosetup-config.guess b/autosetup/autosetup-config.guess
+index 256083a70..946ee1ea2 100755
+--- a/autosetup/autosetup-config.guess
++++ b/autosetup/autosetup-config.guess
+@@ -99,7 +99,7 @@ trap 'exit 1' 1 2 15
+ set_cc_for_build='
+ trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+ trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+-: ${TMPDIR=/tmp} ;
++: ${TMPDIR=@TERMUX_PREFIX@/tmp} ;
+  { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+  { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+  { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||

packages/neomutt/build.sh

@@ -0,0 +1,16 @@
+TERMUX_PKG_HOMEPAGE=https://neomutt.org/
+TERMUX_PKG_DESCRIPTION="A version of mutt with added features"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=20201127
+TERMUX_PKG_SRCURL=https://github.com/neomutt/neomutt/archive/${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=29ac51a5ac5b4524dfdbb5ac78b59a1cc28c1090c541fb3da7bc86f838ab64cd
+TERMUX_PKG_DEPENDS="gdbm, krb5, libiconv, libsasl, ncurses, openssl, zlib, zstd"
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_CONFFILES="etc/neomuttrc"
+
+termux_step_configure() {
+	./configure --host=$TERMUX_HOST_PLATFORM \
+		--prefix=$TERMUX_PREFIX --with-mailpath=$PREFIX/var/mail \
+		--disable-gpgme --disable-idn --zstd --sasl --ssl --gdbm --gss
+}

packages/neomutt/config.c.patch

@@ -0,0 +1,21 @@
+diff --git a/docs/config.c b/docs/config.c
+index 3e6c680f2..595cc6ddc 100644
+--- a/docs/config.c
++++ b/docs/config.c
+@@ -5091,14 +5091,14 @@
+ ** A value of zero or less will cause NeoMutt to never time out.
+ */
+ 
+-{ "tmpdir", DT_PATH, "/tmp" },
++{ "tmpdir", DT_PATH, "@TERMUX_PREFIX@/tmp" },
+ /*
+ ** .pp
+ ** This variable allows you to specify where NeoMutt will place its
+ ** temporary files needed for displaying and composing messages.
+ ** .pp
+ ** If this variable is not set, the environment variable \fC$$$TMPDIR\fP is
+-** used.  Failing that, then "\fC/tmp\fP" is used.
++** used.  Failing that, then "\fC@TERMUX_PREFIX@/tmp\fP" is used.
+ */
+ 
+ { "to_chars", DT_MBTABLE, " +TCFLR" },

packages/neomutt/file.c.patch

@@ -0,0 +1,16 @@
+diff --git a/mutt/file.c b/mutt/file.c
+index 05a4918d6..bd8b14620 100644
+--- a/mutt/file.c
++++ b/mutt/file.c
+@@ -353,6 +353,11 @@ int mutt_file_symlink(const char *oldpath, const char *newpath)
+  */
+ int mutt_file_safe_rename(const char *src, const char *target)
+ {
++/* Android (since 6.0) does not support hardlinks. */
++#ifdef __ANDROID__
++  return rename(src, target);
++#endif
++
+   struct stat ssb, tsb;
+   int link_errno;
+ 

packages/neomutt/jimsh0.c.patch

@@ -0,0 +1,13 @@
+diff --git a/autosetup/jimsh0.c b/autosetup/jimsh0.c
+index 63d459664..e7780ac7e 100644
+--- a/autosetup/jimsh0.c
++++ b/autosetup/jimsh0.c
+@@ -21931,7 +21931,7 @@ int Jim_MakeTempFile(Jim_Interp *interp, const char *filename_template, int unli
+     if (filename_template == NULL) {
+         const char *tmpdir = getenv("TMPDIR");
+         if (tmpdir == NULL || *tmpdir == '\0' || access(tmpdir, W_OK) != 0) {
+-            tmpdir = "/tmp/";
++            tmpdir = "@TERMUX_PREFIX@/tmp/";
+         }
+         filenameObj = Jim_NewStringObj(interp, tmpdir, -1);
+         if (tmpdir[0] && tmpdir[strlen(tmpdir) - 1] != '/') {

packages/neomutt/mutt_config.c.patch

@@ -0,0 +1,13 @@
+diff --git a/mutt_config.c b/mutt_config.c
+index 2ae78194a..e41cd8787 100644
+--- a/mutt_config.c
++++ b/mutt_config.c
+@@ -702,7 +702,7 @@ struct ConfigDef MainVars[] = {
+   { "timeout", DT_NUMBER|DT_NOT_NEGATIVE, &C_Timeout, 600, 0, NULL,
+     "Time to wait for user input in menus"
+   },
+-  { "tmpdir", DT_PATH|DT_PATH_DIR|DT_NOT_EMPTY, &C_Tmpdir, IP "/tmp", 0, NULL,
++  { "tmpdir", DT_PATH|DT_PATH_DIR|DT_NOT_EMPTY, &C_Tmpdir, IP "@TERMUX_PREFIX@/tmp", 0, NULL,
+     "Directory for temporary files"
+   },
+   { "toggle_quoted_show_levels", DT_NUMBER|DT_NOT_NEGATIVE, &C_ToggleQuotedShowLevels, 0, 0, NULL,

packages/neomutt/mutt_file_mkstemp_full.c.patch

@@ -0,0 +1,13 @@
+diff --git a/test/file/mutt_file_mkstemp_full.c b/test/file/mutt_file_mkstemp_full.c
+index 49d863d66..b87cf2037 100644
+--- a/test/file/mutt_file_mkstemp_full.c
++++ b/test/file/mutt_file_mkstemp_full.c
+@@ -29,7 +29,7 @@ void test_mutt_file_mkstemp_full(void)
+ {
+   // FILE *mutt_file_mkstemp_full(const char *file, int line, const char *func);
+ 
+-  C_Tmpdir = "/tmp";
++  C_Tmpdir = "@TERMUX_PREFIX@/tmp";
+ 
+   {
+     FILE *fp = NULL;

packages/neomutt/muttlib.c.patch

@@ -0,0 +1,15 @@
+diff --git a/muttlib.c b/muttlib.c
+index 69d71c4b1..d9d44205c 100644
+--- a/muttlib.c
++++ b/muttlib.c
+@@ -361,6 +361,10 @@ char *mutt_expand_path_regex(char *buf, size_t buflen, bool regex)
+  */
+ char *mutt_gecos_name(char *dest, size_t destlen, struct passwd *pw)
+ {
++#ifdef __ANDROID__
++  return NULL;
++#endif
++
+   regmatch_t pat_match[1];
+   size_t pwnl;
+   char *p = NULL;

packages/neomutt/smime_keys.patch

@@ -0,0 +1,13 @@
+diff --git a/contrib/smime_keys b/contrib/smime_keys
+index 08e5cde71..f33066f70 100755
+--- a/contrib/smime_keys
++++ b/contrib/smime_keys
+@@ -77,7 +77,7 @@ sub handle_add_root_cert ($);
+ 
+ 
+ my $neomutt = $ENV{MUTT_CMDLINE} || 'neomutt';
+-my $opensslbin = "/usr/bin/openssl";
++my $opensslbin = "@TERMUX_PREFIX@/bin/openssl";
+ my $tmpdir;
+ 
+ # Get the directories neomutt uses for certificate/key storage.