Bug#1034378: Allow Percentage Formatting in apt

[Emir SARI <emir_sari@icloud.com>]

Hello,

I will attach a new version while I still have some time and waiting

for account approval.

16 May 2023 tarihinde 16:41 itibarıyla David Kalnischkies <david@kalnischkies.de> şunu yazdı:

The first hunk seems wrong as our 'strprintf' 'prints to a std::string'

given as first argument and doesn't return anything. Meantime, your

change also uses std::printf which means it would print directly to

stdout, which this code shouldn't do either.

Oops, silly mistake. Should be fine with the new patch.

In general, I suppose the formatting currently is "Progress: [ 42%]" so

"Progress: [ %42]" is your target?

Yes, correct.

I think we could go with a "%d%%" string for all (four) cases (which is

my other remark) and assemble the individual strings with e.g.

"Progress: [%s]". The code could format a "%100" first to establish the

maximum length and prepend spaces as needed for the real value.

I left the other three as-is for now, since it would probably require casts or

type changes from int to double etc. Feel free to correct me though. I am

new to C-like languages.

Oh, and one more thing: Comments in code meant for translators are per

convention prefixed with: "TRANSLATORS: " (see existing usages) and

should try a little harder to convey what a string is used for,

meanwhile a "localize according to your locale settings" could be

said about each and every string…

Done.

Best regards,

Emir

From 4e7e0db117990e9469295934b0c7462e8c11255f Mon Sep 17 00:00:00 2001
From: Emir SARI <emir_sari@icloud.com>
Date: Fri, 5 May 2023 18:58:03 +0300
Subject: [PATCH] Apply i18n to percentage display

Languages like Turkish and French (and some other more), use a
custom percentage format, other than the standard 100%. Allowing
i18n to these values, make the apt interface a lot coherent with
the rest of the output, since they mostly appear next to translated
strings.

This commit also fixes the issue of "Progress: [100%]" to have
extra blank characters when the percentage sign is prepended to the
number; e.g. "Progress: [  %1]". Previously, it output [%  1] due
to the absolute placeholder format.
---
 apt-pkg/install-progress.cc | 12 +++++++++++-
 apt-private/acqprogress.cc  |  9 ++++++---
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/apt-pkg/install-progress.cc b/apt-pkg/install-progress.cc
index c7f7573..8378200 100644
--- a/apt-pkg/install-progress.cc
+++ b/apt-pkg/install-progress.cc
@@ -56,7 +56,17 @@ bool PackageManager::StatusChanged(std::string /*PackageName*/,
 {
    int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
    percentage = StepsDone/(double)TotalSteps * 100.0;
-   strprintf(progress_str, _("Progress: [%3li%%]"), std::lround(percentage));
+
+   std::string percent_str;
+   // TRANSLATORS: Percentage value; %d is the number, %% is the sign
+   strprintf(percent_str, _("%d%%"), std::lround(percentage));
+
+   if (percentage < 10)
+      percent_str.insert(0, "  ");
+   else if (percentage < 100)
+      percent_str.insert(0, " ");
+
+   strprintf(progress_str, _("Progress: [%s]"), percent_str.c_str());
 
    if(percentage < (last_reported_progress + reporting_steps))
       return false;
diff --git a/apt-private/acqprogress.cc b/apt-private/acqprogress.cc
index fa7edfc..f54d732 100644
--- a/apt-private/acqprogress.cc
+++ b/apt-private/acqprogress.cc
@@ -232,9 +232,11 @@ bool AcqTextStatus::Pulse(pkgAcquire *Owner)
 	 if (I->CurrentItem->TotalSize > 0 && I->CurrentItem->Owner->Complete == false)
 	 {
 	    if (Mode == Short)
-	       ioprintf(S, " %.0f%%", (I->CurrentItem->CurrentSize*100.0)/I->CurrentItem->TotalSize);
+               // TRANSLATORS: Percentage value; %0.f is the number, %% is the sign
+	       ioprintf(S, _(" %.0f%%"), (I->CurrentItem->CurrentSize*100.0)/I->CurrentItem->TotalSize);
 	    else
-	       ioprintf(S, "/%sB %.0f%%", SizeToStr(I->CurrentItem->TotalSize).c_str(),
+                // TRANSLATORS: Percentage value; %0.f is the number, %% is the sign
+	       ioprintf(S, _("/%sB %.0f%%"), SizeToStr(I->CurrentItem->TotalSize).c_str(),
 		     (I->CurrentItem->CurrentSize*100.0)/I->CurrentItem->TotalSize);
 	 }
 	 S << "]";
@@ -249,7 +251,8 @@ bool AcqTextStatus::Pulse(pkgAcquire *Owner)
    // Put in the percent done
    {
       std::stringstream S;
-      ioprintf(S, "%.0f%%", Percent);
+      // TRANSLATORS: Percentage value; %0.f is the number, %% is the sign
+      ioprintf(S, _("%.0f%%"), Percent);
       S << Line;
       Line = S.str();
       S.clear();
-- 
2.34.1