app-editors/nano: Fixed build with USE="minimal" and USE="-spell"

Closes: https://bugs.gentoo.org/734856
Package-Manager: Portage-3.0.1, Repoman-2.3.23
Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>

3 files changed, 393 insertions, 0 deletions

diff --git a/app-editors/nano/files/nano-4.9.3-disable-speller_build_fix.patch b/app-editors/nano/files/nano-4.9.3-disable-speller_build_fix.patch
new file mode 100644
index 000000000000..978e24de805d
--- /dev/null
+++ b/app-editors/nano/files/nano-4.9.3-disable-speller_build_fix.patch
@@ -0,0 +1,342 @@
+From 4b7f7a30c9ec593d68186b1dfef44d4e2bda735b Mon Sep 17 00:00:00 2001
+From: Benno Schulenberg <bensberg@telfort.nl>
+Date: Mon, 22 Jun 2020 08:39:59 +0200
+Subject: [PATCH] build: fix compilation when configured with
+ --disable-speller
+
+Move two functions that are used by the formatter too
+to between the proper #ifdef.
+
+Problem existed since commit 8089f5ad from a month ago.
+
+Backported to v4.9.3
+Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
+---
+ src/text.c | 302 ++++++++++++++++++++++++++---------------------------
+ 1 file changed, 151 insertions(+), 151 deletions(-)
+
+diff --git a/src/text.c b/src/text.c
+index 93ad3704..c7690fd0 100644
+--- a/src/text.c
++++ b/src/text.c
+@@ -2011,8 +2011,159 @@ void construct_argument_list(char ***arguments, char *command, char *filename)
+ 	(*arguments)[count - 2] = filename;
+ 	(*arguments)[count - 1] = NULL;
+ }
++
++/* Open the specified file, and if that succeeds, remove the text of the marked
++ * region or of the entire buffer and read the file contents into its place. */
++bool replace_buffer(const char *filename, undo_type action, const char *operation)
++{
++	linestruct *was_cutbuffer = cutbuffer;
++	int descriptor;
++	FILE *stream;
++
++	descriptor = open_file(filename, FALSE, &stream);
++
++	if (descriptor < 0)
++		return FALSE;
++
++	cutbuffer = NULL;
++
++#ifndef NANO_TINY
++	add_undo(COUPLE_BEGIN, operation);
++
++	/* Cut either the marked region or the whole buffer. */
++	add_undo(action, NULL);
++#endif
++	do_snip(FALSE, openfile->mark, openfile->mark == NULL, FALSE);
++#ifndef NANO_TINY
++	update_undo(action);
+ #endif
+ 
++	/* Discard what was cut. */
++	free_lines(cutbuffer);
++	cutbuffer = was_cutbuffer;
++
++	/* Insert the spell-checked file into the cleared area. */
++	read_file(stream, descriptor, filename, TRUE);
++
++#ifndef NANO_TINY
++	add_undo(COUPLE_END, operation);
++#endif
++	return TRUE;
++}
++
++/* Execute the given program, with the given temp file as last argument. */
++const char *treat(char *tempfile_name, char *theprogram, bool spelling)
++{
++	ssize_t lineno_save = openfile->current->lineno;
++	size_t current_x_save = openfile->current_x;
++	size_t pww_save = openfile->placewewant;
++	bool was_at_eol = (openfile->current->data[openfile->current_x] == '\0');
++	struct stat fileinfo;
++	long timestamp_sec, timestamp_nsec;
++	static char **arguments = NULL;
++	pid_t thepid;
++	int program_status;
++	bool replaced = FALSE;
++
++	/* Get the timestamp and the size of the temporary file. */
++	stat(tempfile_name, &fileinfo);
++	timestamp_sec = (long)fileinfo.st_mtim.tv_sec;
++	timestamp_nsec = (long)fileinfo.st_mtim.tv_nsec;
++
++	/* If the number of bytes to check is zero, get out. */
++	if (fileinfo.st_size == 0)
++		return NULL;
++
++	/* Exit from curses mode to give the program control of the terminal. */
++	endwin();
++
++	construct_argument_list(&arguments, theprogram, tempfile_name);
++
++	/* Fork a child process and run the given program in it. */
++	if ((thepid = fork()) == 0) {
++		execvp(arguments[0], arguments);
++
++		/* Terminate the child if the program is not found. */
++		exit(9);
++	} else if (thepid < 0)
++		return _("Could not fork");
++
++	/* Block SIGWINCHes while waiting for the program to end,
++	 * so nano doesn't get pushed past the wait(). */
++	block_sigwinch(TRUE);
++	wait(&program_status);
++	block_sigwinch(FALSE);
++
++	/* Restore the terminal state and reenter curses mode. */
++	terminal_init();
++	doupdate();
++
++	if (!WIFEXITED(program_status) || WEXITSTATUS(program_status) > 2) {
++		statusline(ALERT, _("Error invoking '%s'"), arguments[0]);
++		return NULL;
++	} else if (WEXITSTATUS(program_status) != 0)
++		statusline(ALERT, _("Program '%s' complained"), arguments[0]);
++
++	/* Stat the temporary file again. */
++	stat(tempfile_name, &fileinfo);
++
++	/* When the temporary file wasn't touched, say so and leave. */
++	if ((long)fileinfo.st_mtim.tv_sec == timestamp_sec &&
++				(long)fileinfo.st_mtim.tv_nsec == timestamp_nsec) {
++		statusbar(_("Nothing changed"));
++		return NULL;
++	}
++
++#ifndef NANO_TINY
++	/* Replace the marked text (or entire text) with the corrected text. */
++	if (spelling && openfile->mark) {
++		ssize_t was_mark_lineno = openfile->mark->lineno;
++		bool upright = mark_is_before_cursor();
++
++		replaced = replace_buffer(tempfile_name, CUT, "spelling correction");
++
++		/* Adjust the end point of the marked region for any change in
++		 * length of the region's last line. */
++		if (upright)
++			current_x_save = openfile->current_x;
++		else
++			openfile->mark_x = openfile->current_x;
++
++		/* Restore the mark. */
++		openfile->mark = line_from_number(was_mark_lineno);
++	} else
++#endif
++	{
++		openfile->current = openfile->filetop;
++		openfile->current_x = 0;
++
++		replaced = replace_buffer(tempfile_name, CUT_TO_EOF,
++					/* TRANSLATORS: The next two go with Undid/Redid messages. */
++					(spelling ? N_("spelling correction") : N_("formatting")));
++	}
++
++	/* Go back to the old position. */
++	goto_line_posx(lineno_save, current_x_save);
++	if (was_at_eol || openfile->current_x > strlen(openfile->current->data))
++		openfile->current_x = strlen(openfile->current->data);
++
++#ifndef NANO_TINY
++	if (replaced)
++		update_undo(COUPLE_END);
++#endif
++
++	openfile->placewewant = pww_save;
++	adjust_viewport(STATIONARY);
++
++	if (spelling)
++		statusbar(_("Finished checking spelling"));
++	else
++		statusbar(_("Buffer has been processed"));
++
++	return NULL;
++}
++#endif /* ENABLE_SPELLER || ENABLE_COLOR */
++
+ #ifdef ENABLE_SPELLER
+ /* Let the user edit the misspelled word.  Return FALSE if the user cancels. */
+ bool fix_spello(const char *word)
+@@ -2307,157 +2458,6 @@ const char *do_int_speller(const char *tempfile_name)
+ 	return NULL;
+ }
+ 
+-/* Open the specified file, and if that succeeds, remove the text of the marked
+- * region or of the entire buffer and read the file contents into its place. */
+-bool replace_buffer(const char *filename, undo_type action, const char *operation)
+-{
+-	linestruct *was_cutbuffer = cutbuffer;
+-	int descriptor;
+-	FILE *stream;
+-
+-	descriptor = open_file(filename, FALSE, &stream);
+-
+-	if (descriptor < 0)
+-		return FALSE;
+-
+-	cutbuffer = NULL;
+-
+-#ifndef NANO_TINY
+-	add_undo(COUPLE_BEGIN, operation);
+-
+-	/* Cut either the marked region or the whole buffer. */
+-	add_undo(action, NULL);
+-#endif
+-	do_snip(FALSE, openfile->mark, openfile->mark == NULL, FALSE);
+-#ifndef NANO_TINY
+-	update_undo(action);
+-#endif
+-
+-	/* Discard what was cut. */
+-	free_lines(cutbuffer);
+-	cutbuffer = was_cutbuffer;
+-
+-	/* Insert the spell-checked file into the cleared area. */
+-	read_file(stream, descriptor, filename, TRUE);
+-
+-#ifndef NANO_TINY
+-	add_undo(COUPLE_END, operation);
+-#endif
+-	return TRUE;
+-}
+-
+-/* Execute the given program, with the given temp file as last argument. */
+-const char *treat(char *tempfile_name, char *theprogram, bool spelling)
+-{
+-	ssize_t lineno_save = openfile->current->lineno;
+-	size_t current_x_save = openfile->current_x;
+-	size_t pww_save = openfile->placewewant;
+-	bool was_at_eol = (openfile->current->data[openfile->current_x] == '\0');
+-	struct stat fileinfo;
+-	long timestamp_sec, timestamp_nsec;
+-	static char **arguments = NULL;
+-	pid_t thepid;
+-	int program_status;
+-	bool replaced = FALSE;
+-
+-	/* Get the timestamp and the size of the temporary file. */
+-	stat(tempfile_name, &fileinfo);
+-	timestamp_sec = (long)fileinfo.st_mtim.tv_sec;
+-	timestamp_nsec = (long)fileinfo.st_mtim.tv_nsec;
+-
+-	/* If the number of bytes to check is zero, get out. */
+-	if (fileinfo.st_size == 0)
+-		return NULL;
+-
+-	/* Exit from curses mode to give the program control of the terminal. */
+-	endwin();
+-
+-	construct_argument_list(&arguments, theprogram, tempfile_name);
+-
+-	/* Fork a child process and run the given program in it. */
+-	if ((thepid = fork()) == 0) {
+-		execvp(arguments[0], arguments);
+-
+-		/* Terminate the child if the program is not found. */
+-		exit(9);
+-	} else if (thepid < 0)
+-		return _("Could not fork");
+-
+-	/* Block SIGWINCHes while waiting for the program to end,
+-	 * so nano doesn't get pushed past the wait(). */
+-	block_sigwinch(TRUE);
+-	wait(&program_status);
+-	block_sigwinch(FALSE);
+-
+-	/* Restore the terminal state and reenter curses mode. */
+-	terminal_init();
+-	doupdate();
+-
+-	if (!WIFEXITED(program_status) || WEXITSTATUS(program_status) > 2) {
+-		statusline(ALERT, _("Error invoking '%s'"), arguments[0]);
+-		return NULL;
+-	} else if (WEXITSTATUS(program_status) != 0)
+-		statusline(ALERT, _("Program '%s' complained"), arguments[0]);
+-
+-	/* Stat the temporary file again. */
+-	stat(tempfile_name, &fileinfo);
+-
+-	/* When the temporary file wasn't touched, say so and leave. */
+-	if ((long)fileinfo.st_mtim.tv_sec == timestamp_sec &&
+-				(long)fileinfo.st_mtim.tv_nsec == timestamp_nsec) {
+-		statusbar(_("Nothing changed"));
+-		return NULL;
+-	}
+-
+-#ifndef NANO_TINY
+-	/* Replace the marked text (or entire text) with the corrected text. */
+-	if (spelling && openfile->mark) {
+-		ssize_t was_mark_lineno = openfile->mark->lineno;
+-		bool upright = mark_is_before_cursor();
+-
+-		replaced = replace_buffer(tempfile_name, CUT, "spelling correction");
+-
+-		/* Adjust the end point of the marked region for any change in
+-		 * length of the region's last line. */
+-		if (upright)
+-			current_x_save = openfile->current_x;
+-		else
+-			openfile->mark_x = openfile->current_x;
+-
+-		/* Restore the mark. */
+-		openfile->mark = line_from_number(was_mark_lineno);
+-	} else
+-#endif
+-	{
+-		openfile->current = openfile->filetop;
+-		openfile->current_x = 0;
+-
+-		replaced = replace_buffer(tempfile_name, CUT_TO_EOF,
+-					/* TRANSLATORS: The next two go with Undid/Redid messages. */
+-					(spelling ? N_("spelling correction") : N_("formatting")));
+-	}
+-
+-	/* Go back to the old position. */
+-	goto_line_posx(lineno_save, current_x_save);
+-	if (was_at_eol || openfile->current_x > strlen(openfile->current->data))
+-		openfile->current_x = strlen(openfile->current->data);
+-
+-#ifndef NANO_TINY
+-	if (replaced)
+-		update_undo(COUPLE_END);
+-#endif
+-
+-	openfile->placewewant = pww_save;
+-	adjust_viewport(STATIONARY);
+-
+-	if (spelling)
+-		statusbar(_("Finished checking spelling"));
+-	else
+-		statusbar(_("Buffer has been processed"));
+-
+-	return NULL;
+-}
+-
+ /* Spell check the current file.  If an alternate spell checker is
+  * specified, use it.  Otherwise, use the internal spell checker. */
+ void do_spell(void)
+-- 
+2.28.0
+
diff --git a/app-editors/nano/files/nano-4.9.3-minimal_build_fix.patch b/app-editors/nano/files/nano-4.9.3-minimal_build_fix.patch
new file mode 100644
index 000000000000..52112bab7235
--- /dev/null
+++ b/app-editors/nano/files/nano-4.9.3-minimal_build_fix.patch
@@ -0,0 +1,46 @@
+From a98f48b4e82db7d30aa04925fb28344f5bce8c7c Mon Sep 17 00:00:00 2001
+From: Benno Schulenberg <bensberg@telfort.nl>
+Date: Mon, 22 Jun 2020 14:00:23 +0200
+Subject: [PATCH] build: fix compilation for --enable-tiny --enable-color
+ --enable-nanorc
+
+Backported to v4.9.3
+Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
+---
+ src/nano.c | 2 +-
+ src/text.c | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/nano.c b/src/nano.c
+index be80a073..3ac81ba4 100644
+--- a/src/nano.c
++++ b/src/nano.c
+@@ -1079,7 +1079,7 @@ RETSIGTYPE do_continue(int signal)
+ 	ungetch(KEY_FLUSH);
+ }
+ 
+-#if !defined(NANO_TINY) || defined(ENABLE_SPELLER)
++#if !defined(NANO_TINY) || defined(ENABLE_SPELLER) || defined(ENABLE_COLOR)
+ /* Block or unblock the SIGWINCH signal, depending on the blockit parameter. */
+ void block_sigwinch(bool blockit)
+ {
+diff --git a/src/text.c b/src/text.c
+index c7690fd0..32727946 100644
+--- a/src/text.c
++++ b/src/text.c
+@@ -2032,10 +2032,10 @@ bool replace_buffer(const char *filename, undo_type action, const char *operatio
+ 
+ 	/* Cut either the marked region or the whole buffer. */
+ 	add_undo(action, NULL);
+-#endif
+ 	do_snip(FALSE, openfile->mark, openfile->mark == NULL, FALSE);
+-#ifndef NANO_TINY
+ 	update_undo(action);
++#else
++	do_snip(FALSE, TRUE, FALSE, FALSE);
+ #endif
+ 
+ 	/* Discard what was cut. */
+-- 
+2.28.0
+
diff --git a/app-editors/nano/nano-4.9.3.ebuild b/app-editors/nano/nano-4.9.3.ebuild
index 076c22b9c609..bd791de7db48 100644
--- a/app-editors/nano/nano-4.9.3.ebuild
+++ b/app-editors/nano/nano-4.9.3.ebuild
@@ -32,6 +32,11 @@ BDEPEND="
 	nls? ( sys-devel/gettext )
 	virtual/pkgconfig
 "
+PATCHES=(
+	"${FILESDIR}/${P}-disable-speller_build_fix.patch"
+	"${FILESDIR}/${P}-minimal_build_fix.patch" #734856
+)
+
 src_prepare() {
 	default
 	if [[ ${PV} == "9999" ]] ; then