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From b30f08f4cd5791a9895df07c1acb061518c73cbe Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@debian.org>
Date: Thu, 2 Jan 2014 13:13:22 +0000
Subject: Display more helpful output when failing to load a device
If the device is known to be one of the devices in the groff binary package
rather than groff-base, refer the user to that.
Forwarded: not-needed
Last-Update: 2023-07-08
Patch-Name: load-desc-failure.patch
---
src/roff/groff/groff.cpp | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/src/roff/groff/groff.cpp b/src/roff/groff/groff.cpp
index 4eb732969..d4cb3c122 100644
--- a/src/roff/groff/groff.cpp
+++ b/src/roff/groff/groff.cpp
@@ -378,9 +378,18 @@ int main(int argc, char **argv)
}
font::set_unknown_desc_command_handler(handle_unknown_desc_command);
const char *desc = font::load_desc();
- if (0 /* nullptr */ == desc)
- fatal("cannot load 'DESC' description file for device '%1'",
- device);
+ if (0 /* nullptr */ == desc) {
+ if (strcmp(device, "X100") == 0 || strcmp(device, "X100-12") == 0 ||
+ strcmp(device, "X75") == 0 || strcmp(device, "X75-12") == 0 ||
+ strcmp(device, "dvi") == 0 || strcmp(device, "html") == 0 ||
+ strcmp(device, "lbp") == 0 || strcmp(device, "lj4") == 0)
+ fatal("cannot load 'DESC' description file for device '%1' "
+ "(try installing the 'groff' package?)",
+ device);
+ else
+ fatal("cannot load 'DESC' description file for device '%1'",
+ device);
+ }
if (need_postdriver && (0 /* nullptr */ == postdriver))
fatal_with_file_and_line(desc, 0, "device description file missing"
" 'postpro' directive");
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