conan cache¶
在本地缓存（配方和/或软件包）中执行文件操作。
conan cache path¶
$ conan cache path -h
usage: conan cache path [-h] [-f FORMAT] [-v [V]] [-cc CORE_CONF]
[--folder {export_source,source,build,metadata}]
reference
Show the path to the Conan cache for a given reference.
positional arguments:
reference Recipe reference or Package reference
options:
-h, --help show this help message and exit
-f FORMAT, --format FORMAT
Select the output format: json
-v [V] Level of detail of the output. Valid options from less
verbose to more verbose: -vquiet, -verror, -vwarning,
-vnotice, -vstatus, -v or -vverbose, -vv or -vdebug,
-vvv or -vtrace
-cc CORE_CONF, --core-conf CORE_CONF
Define core configuration, overwriting global.conf
values. E.g.: -cc core:non_interactive=True
--folder {export_source,source,build,metadata}
Path to show. The 'build' requires a package
reference. If the argument is not passed, it shows
'exports' path for recipe references and 'package'
folder for package references.
conan cache path 返回给定引用的缓存路径。根据引用，它可以返回配方的路径，也可以返回软件包二进制文件的路径。
假设我们已经在当前缓存中创建了一个软件包，使用如下命令：
$ conan new cmake_lib -d name=pkg -d version=0.1
$ conan create .
...
Requirements
pkg/0.1#cdc0d9d0e8f554d3df2388c535137d77 - Cache
Requirements
pkg/0.1#cdc0d9d0e8f554d3df2388c535137d77:2401fa1d188d289bb25c37cfa3317e13e377a351 - Build
现在我们想获取 pkg/0.1 配方 conanfile.py 导出的路径：
$ conan cache path pkg/0.1
<path to conan cache>/p/5cb229164ec1d245/e
$ ls <path to conan cache>/p/5cb229164ec1d245/e
conanfile.py conanmanifest.txt
默认情况下，如果未指定配方修订版本，则表示缓存中的“最新”修订版本。这也可以通过字面量 #latest 来显式表达，并且也可以显式定义任何配方修订版本，这些命令与上面的等效：
$ conan cache path pkg/0.1#latest
<path to conan cache>/p/5cb229164ec1d245/e
# The recipe revision might be different in your case.
# Check the "conan create" output to get yours
$ conan cache path pkg/0.1#cdc0d9d0e8f554d3df2388c535137d77
<path to conan cache>/p/5cb229164ec1d245/e
除了配方文件夹之外，还有两个文件夹对于使用此配方生成的所有二进制文件来说是通用的：“export_source”文件夹和“source”文件夹。两者都可以通过以下方式获得：
$ conan cache path pkg/0.1 --folder=export_source
<path to conan cache>/p/5cb229164ec1d245/es
$ ls <path to conan cache>/p/5cb229164ec1d245/es
CMakeLists.txt include/ src/
$ conan cache path pkg/0.1 --folder=source
<path to conan cache>/p/5cb229164ec1d245/s
$ ls <path to conan cache>/p/5cb229164ec1d245/s
CMakeLists.txt include/ src/
在这种情况下，“source”文件夹的内容与“export_source”文件夹的内容相同，因为配方没有实现任何 source() 方法来检索代码或对代码执行任何其他操作，例如应用补丁。
默认情况下，配方修订版本将是 #latest，这遵循与上述相同的规则。
请注意，如果软件包不是从源代码构建的，比如从服务器检索预编译的二进制文件，则这两个文件夹将不存在。
也可以通过提供 package_id 来获取二进制软件包的文件夹：
# Your package_id might be different, it depends on the platform
# Check the "conan create" output to obtain yours
$ conan cache path pkg/0.1:2401fa1d188d289bb25c37cfa3317e13e377a351
<path to conan cache>/p/1cae77d6250c23b7/p
$ ls <path to conan cache>/p/1cae77d6250c23b7/p
conaninfo.txt conanmanifest.txt include/ lib/
如上所述，默认情况下它将解析为“最新”的配方修订版本和软件包修订版本。上面的命令等同于显式定义 #latest 或确切的修订版本。以下所有命令都等同于上面的命令：
$ conan cache path pkg/0.1#latest:2401fa1d188d289bb25c37cfa3317e13e377a351
<path to conan cache>/p/1cae77d6250c23b7/p
$ conan cache path pkg/0.1#latest:2401fa1d188d289bb25c37cfa3317e13e377a351#latest
<path to conan cache>/p/1cae77d6250c23b7/p
$ conan cache path pkg/0.1#cdc0d9d0e8f554d3df2388c535137d77:2401fa1d188d289bb25c37cfa3317e13e377a351
<path to conan cache>/p/1cae77d6250c23b7/p
可以使用所有临时构建工件访问“build”文件夹：
$ conan cache path pkg/0.1:2401fa1d188d289bb25c37cfa3317e13e377a351 --folder=build
<path to conan cache>/p/1cae77d6250c23b7/b
ls -al <path to conan cache>/p/1cae77d6250c23b7/b
build/ CMakeLists.txt CMakeUserPresets.json conaninfo.txt include/ src/
同样，只有当软件包是从源代码构建时，“build”文件夹才存在。
注意
最佳实践
此
conan cache path命令旨在用于最终检查缓存，但缓存软件包存储必须被视为只读。请勿修改、更改、删除或从缓存中添加文件。如果你使用此命令来获取工件的路径然后复制它们，请考虑使用
deployer。通常情况下，不建议手动从缓存中提取工件。开发人员可以使用
conan list ... --format=compact以紧凑的方式获取完整的引用，这些引用可以复制并粘贴到conan cache path命令中。
conan cache clean¶
$ conan cache clean -h
usage: conan cache clean [-h] [-v [V]] [-cc CORE_CONF] [-s] [-b] [-d] [-t]
[-bs] [-p PACKAGE_QUERY]
[pattern]
Remove non-critical folders from the cache, like source, build and/or download
(.tgz store) ones.
positional arguments:
pattern Selection pattern for references to clean
options:
-h, --help show this help message and exit
-v [V] Level of detail of the output. Valid options from less
verbose to more verbose: -vquiet, -verror, -vwarning,
-vnotice, -vstatus, -v or -vverbose, -vv or -vdebug,
-vvv or -vtrace
-cc CORE_CONF, --core-conf CORE_CONF
Define core configuration, overwriting global.conf
values. E.g.: -cc core:non_interactive=True
-s, --source Clean source folders
-b, --build Clean build folders
-d, --download Clean download and metadata folders
-t, --temp Clean temporary folders
-bs, --backup-sources
Clean backup sources
-p PACKAGE_QUERY, --package-query PACKAGE_QUERY
Remove only the packages matching a specific query,
e.g., os=Windows AND (arch=x86 OR compiler=gcc)
此命令将删除所有临时文件夹，以及 Conan 在其执行过程中生成的 source、build 和 download 文件夹。它将对传递的模式中每个匹配的引用执行此操作，除非提供了特定的标志，在这种情况下，只会删除指定的文件夹。
示例:
删除所有非关键文件
$ conan cache clean "*"
删除所有临时文件
$ conan cache clean "*" --temp
删除
zlib配方的下载文件夹$ conan cache clean "zlib/*" --download
删除除
zlib配方的下载文件夹之外的所有内容$ conan cache clean "zlib/*" --source --build --temp
conan cache check-integrity¶
$ conan cache check-integrity -h
usage: conan cache check-integrity [-h] [-v [V]] [-cc CORE_CONF]
[-p PACKAGE_QUERY]
pattern
Check the integrity of the local cache for the given references
positional arguments:
pattern Selection pattern for references to check integrity
for
options:
-h, --help show this help message and exit
-v [V] Level of detail of the output. Valid options from less
verbose to more verbose: -vquiet, -verror, -vwarning,
-vnotice, -vstatus, -v or -vverbose, -vv or -vdebug,
-vvv or -vtrace
-cc CORE_CONF, --core-conf CORE_CONF
Define core configuration, overwriting global.conf
values. E.g.: -cc core:non_interactive=True
-p PACKAGE_QUERY, --package-query PACKAGE_QUERY
Only the packages matching a specific query, e.g.,
os=Windows AND (arch=x86 OR compiler=gcc)
conan cache check-integrity 命令检查本地缓存中 Conan 软件包的完整性。这意味着如果 conanmanifest.txt 中包含的任何文件丢失或与该文件中声明的校验和不匹配，它将抛出错误。
例如，要验证整个 Conan 本地缓存的完整性，请执行以下操作：
$ conan cache check-integrity "*"
mypkg/1.0: Integrity checked: ok
mypkg/1.0:454923cd42d0da27b9b1294ebc3e4ecc84020747: Integrity checked: ok
mypkg/1.0:454923cd42d0da27b9b1294ebc3e4ecc84020747: Integrity checked: ok
zlib/1.2.11: Integrity checked: ok
zlib/1.2.11:6fe7fa69f760aee504e0be85c12b2327c716f9e7: Integrity checked: ok
conan cache backup-upload¶
$ conan cache backup-upload -h
usage: conan cache backup-upload [-h] [-v [V]] [-cc CORE_CONF]
Upload all the source backups present in the cache
options:
-h, --help show this help message and exit
-v [V] Level of detail of the output. Valid options from less
verbose to more verbose: -vquiet, -verror, -vwarning,
-vnotice, -vstatus, -v or -vverbose, -vv or -vdebug,
-vvv or -vtrace
-cc CORE_CONF, --core-conf CORE_CONF
Define core configuration, overwriting global.conf
values. E.g.: -cc core:non_interactive=True
conan cache backup-upload 会将本地缓存中存在的所有源备份上传到备份服务器（不包括从 core.sources:exclude_urls 配置中列出的排除 URL 获取的那些），无论它们属于哪个软件包（如果有）。
conan cache save¶
$ conan cache save -h
usage: conan cache save [-h] [-f FORMAT] [-v [V]] [-cc CORE_CONF] [-l LIST]
[--file FILE]
[pattern]
Get the artifacts from a package list and archive them
positional arguments:
pattern A pattern in the form
'pkg/version#revision:package_id#revision', e.g:
zlib/1.2.13:* means all binaries for zlib/1.2.13. If
revision is not specified, it is assumed latest one.
options:
-h, --help show this help message and exit
-f FORMAT, --format FORMAT
Select the output format: json
-v [V] Level of detail of the output. Valid options from less
verbose to more verbose: -vquiet, -verror, -vwarning,
-vnotice, -vstatus, -v or -vverbose, -vv or -vdebug,
-vvv or -vtrace
-cc CORE_CONF, --core-conf CORE_CONF
Define core configuration, overwriting global.conf
values. E.g.: -cc core:non_interactive=True
-l LIST, --list LIST Package list of packages to save
--file FILE Save to this tgz file
在 从/向缓存保存和恢复软件包 中了解更多信息。
conan cache restore¶
$ conan cache restore -h
usage: conan cache restore [-h] [-f FORMAT] [-v [V]] [-cc CORE_CONF] file
Put the artifacts from an archive into the cache
positional arguments:
file Path to archive to restore
options:
-h, --help show this help message and exit
-f FORMAT, --format FORMAT
Select the output format: json
-v [V] Level of detail of the output. Valid options from less
verbose to more verbose: -vquiet, -verror, -vwarning,
-vnotice, -vstatus, -v or -vverbose, -vv or -vdebug,
-vvv or -vtrace
-cc CORE_CONF, --core-conf CORE_CONF
Define core configuration, overwriting global.conf
values. E.g.: -cc core:non_interactive=True
在 从/向缓存保存和恢复软件包 中了解更多信息。