##// END OF EJS Templates
configitems: declare items in a TOML file...
configitems: declare items in a TOML file Mercurial ships with Rust code that also needs to read from the config. Having a way of presenting `configitems` to both Python and Rust is needed to prevent duplication, drift, and have the appropriate devel warnings. Abstracting away from Python means choosing a config format. No single format is perfect, and I have yet to come across a developer that doesn't hate all of them in some way. Since we have a strict no-dependencies policy for Mercurial, we either need to use whatever comes with Python, vendor a library, or implement a custom format ourselves. Python stdlib means using JSON, which doesn't support comments and isn't great for humans, or `configparser` which is an obscure, untyped format that nobody uses and doesn't have a commonplace Rust parser. Implementing a custom format is error-prone, tedious and subject to the same issues as picking an existing format. Vendoring opens us to the vast array of common config formats. The ones being picked for most modern software are YAML and TOML. YAML is older and common in the Python community, but TOML is much simpler and less error-prone. I would much rather be responsible for the <1000 lines of `tomli`, on top of TOML being the choice of the Rust community, with robust crates for reading it. The structure of `configitems.toml` is explained inline.

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mercurial.iss
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; Script generated by the Inno Setup Script Wizard.
; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
#ifndef ARCH
#define ARCH = "x86"
#endif
[Setup]
AppCopyright=Copyright 2005-2023 Olivia Mackall and others
AppName=Mercurial
AppVersion={#VERSION}
OutputBaseFilename=Mercurial-{#VERSION}{#SUFFIX}
#if ARCH == "x64"
AppVerName=Mercurial {#VERSION} (64-bit)
ArchitecturesAllowed=x64
ArchitecturesInstallIn64BitMode=x64
#else
AppVerName=Mercurial {#VERSION}
#endif
InfoAfterFile=../postinstall.txt
LicenseFile=Copying.txt
ShowLanguageDialog=yes
AppPublisher=Olivia Mackall and others
AppPublisherURL=https://mercurial-scm.org/
AppSupportURL=https://mercurial-scm.org/
AppUpdatesURL=https://mercurial-scm.org/
{{ 'AppID={{4B95A5F1-EF59-4B08-BED8-C891C46121B3}' }}
AppContact=mercurial@mercurial-scm.org
DefaultDirName={pf}\Mercurial
SourceDir=stage
VersionInfoDescription=Mercurial distributed SCM (version {#VERSION})
VersionInfoCopyright=Copyright 2005-2023 Olivia Mackall and others
VersionInfoCompany=Olivia Mackall and others
VersionInfoVersion={#QUAD_VERSION}
InternalCompressLevel=max
SolidCompression=true
SetupIconFile=../mercurial.ico
AllowNoIcons=true
DefaultGroupName=Mercurial
PrivilegesRequired=none
ChangesEnvironment=true
[Files]
{% for entry in package_files -%}
Source: {{ entry.source }}; DestDir: {{ entry.dest_dir }}
{%- if entry.metadata %}; {{ entry.metadata }}{% endif %}
{% endfor %}
[INI]
Filename: {app}\Mercurial.url; Section: InternetShortcut; Key: URL; String: https://mercurial-scm.org/
[UninstallDelete]
Type: files; Name: {app}\Mercurial.url
Type: filesandordirs; Name: {app}\defaultrc
[Icons]
Name: {group}\Uninstall Mercurial; Filename: {uninstallexe}
Name: {group}\Mercurial Command Reference; Filename: {app}\Docs\hg.1.html
Name: {group}\Mercurial Configuration Files; Filename: {app}\Docs\hgrc.5.html
Name: {group}\Mercurial Ignore Files; Filename: {app}\Docs\hgignore.5.html
Name: {group}\Mercurial Web Site; Filename: {app}\Mercurial.url
[Tasks]
Name: modifypath; Description: Add the installation path to the search path; Flags: unchecked
[Code]
procedure Touch(fn: String);
begin
SaveStringToFile(ExpandConstant(fn), '', False);
end;
const
ModPathName = 'modifypath';
ModPathType = 'user';
function ModPathDir(): TArrayOfString;
begin
setArrayLength(Result, 1)
Result[0] := ExpandConstant('{app}');
end;
{% include 'modpath.iss' %}