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3rd chunk of `Documentation/git-http-backend.adoc`
1be663cc63b3c59d8e878082cbaa5878f3a4c59806b48a620000000100000b1c
 gitweb at the same url, use a ScriptAliasMatch to only
those URLs that 'git http-backend' can handle, and forward the
rest to gitweb:
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ScriptAliasMatch \
	"(?x)^/git/(.*/(HEAD | \
			info/refs | \
			objects/(info/[^/]+ | \
				 [0-9a-f]{2}/[0-9a-f]{38} | \
				 pack/pack-[0-9a-f]{40}\.(pack|idx)) | \
			git-(upload|receive)-pack))$" \
	/usr/libexec/git-core/git-http-backend/$1

ScriptAlias /git/ /var/www/cgi-bin/gitweb.cgi/
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To serve multiple repositories from different linkgit:gitnamespaces[7] in a
single repository:
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SetEnvIf Request_URI "^/git/([^/]*)" GIT_NAMESPACE=$1
ScriptAliasMatch ^/git/[^/]*(.*) /usr/libexec/git-core/git-http-backend/storage.git$1
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Accelerated static Apache 2.x::
	Similar to the above, but Apache can be used to return static
	files that are stored on disk.  On many systems this may
	be more efficient as Apache can ask the kernel to copy the
	file contents from the file system directly to the network:
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SetEnv GIT_PROJECT_ROOT /var/www/git

AliasMatch ^/git/(.*/objects/[0-9a-f]{2}/[0-9a-f]{38})$          /var/www/git/$1
AliasMatch ^/git/(.*/objects/pack/pack-[0-9a-f]{40}.(pack|idx))$ /var/www/git/$1
ScriptAlias /git/ /usr/libexec/git-core/git-http-backend/
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This can be combined with the gitweb configuration:
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SetEnv GIT_PROJECT_ROOT /var/www/git

AliasMatch ^/git/(.*/objects/[0-9a-f]{2}/[0-9a-f]{38})$          /var/www/git/$1
AliasMatch ^/git/(.*/objects/pack/pack-[0-9a-f]{40}.(pack|idx))$ /var/www/git/$1
ScriptAliasMatch \
	"(?x)^/git/(.*/(HEAD | \
			info/refs | \
			objects/info/[^/]+ | \
			git-(upload|receive)-pack))$" \
	/usr/libexec/git-core/git-http-backend/$1
ScriptAlias /git/ /var/www/cgi-bin/gitweb.cgi/
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Lighttpd::
	Ensure that `mod_cgi`, `mod_alias`, `mod_auth`, `mod_setenv` are
	loaded, then set `GIT_PROJECT_ROOT` appropriately and redirect
	all requests to the CGI:
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alias.url += ( "/git" => "/usr/lib/git-core/git-http-backend" )
$HTTP["url"] =~ "^/git" {
	cgi.assign = ("" => "")
	setenv.add-environment = (
		"GIT_PROJECT_ROOT" => "/var/www/git",
		"GIT_HTTP_EXPORT_ALL" => ""
	)
}
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To enable anonymous read access but authenticated write access:
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Title: Configuring Git HTTP Backend with Various Web Servers
Summary
The text describes how to configure Git HTTP backend with different web servers, including Apache and Lighttpd, to serve gitweb, multiple repositories, and static files, as well as how to enable anonymous read access and authenticated write access.