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git: Require Guile-Git 0.3.0 or later.
* guix/git.scm (auth-supported?): Remove. (clone*): Inline code that was dependent on AUTH-SUPPORTED?. (update-cached-checkout): Likewise. (resolve-reference): Remove check for 'object-lookup-prefix' and use it unconditionally. (load-git-submodules): Remove. (update-submodules): Use 'repository-submodules', 'submodule-lookup', etc. unconditionally. (update-cached-checkout): Use 'repository-close!' unconditionally. * m4/guix.m4 (GUIX_CHECK_GUILE_GIT): New macro. * configure.ac: Use it and error out when it fails. * doc/guix.texi (Requirements): Bump to Guile-Git 0.3.0.
This commit is contained in:
Ludovic Courtès
parent
830ea72799
commit
59bb1ae3a9
4 changed files with 52 additions and 63 deletions
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@ -144,6 +144,11 @@ if test "x$guix_cv_have_recent_guile_gcrypt" != "xyes"; then
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AC_MSG_ERROR([A recent Guile-Gcrypt could not be found; please install it.])
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fi
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GUIX_CHECK_GUILE_GIT
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if test "x$guix_cv_have_recent_guile_git" != "xyes"; then
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AC_MSG_ERROR([A recent Guile-Git could not be found; please install it.])
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fi
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dnl Check for Guile-zlib.
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GUILE_MODULE_AVAILABLE([have_guile_zlib], [(zlib)])
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if test "x$have_guile_zlib" != "xyes"; then
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@ -826,8 +826,8 @@ or later;
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@item @uref{https://notabug.org/guile-lzlib/guile-lzlib, Guile-lzlib};
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@item
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@c FIXME: Specify a version number once a release has been made.
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@uref{https://gitlab.com/guile-git/guile-git, Guile-Git}, from August
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2017 or later;
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@uref{https://gitlab.com/guile-git/guile-git, Guile-Git}, version 0.3.0
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or later;
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@item @uref{https://savannah.nongnu.org/projects/guile-json/, Guile-JSON}
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4.3.0 or later;
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@item @url{https://www.gnu.org/software/make/, GNU Make}.
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84
guix/git.scm
84
guix/git.scm
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@ -20,6 +20,7 @@
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(define-module (guix git)
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#:use-module (git)
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#:use-module (git object)
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#:use-module (git submodule)
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#:use-module (guix i18n)
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#:use-module (guix base32)
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#:use-module (gcrypt hash)
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@ -116,10 +117,6 @@ (define* (url-cache-directory url
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(string-append "R:" url)
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url))))))
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;; Authentication appeared in Guile-Git 0.3.0, check if it is available.
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(define auth-supported?
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(false-if-exception (resolve-interface '(git auth))))
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(define (clone* url directory)
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"Clone git repository at URL into DIRECTORY. Upon failure,
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make sure no empty directory is left behind."
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@ -127,18 +124,10 @@ (define (clone* url directory)
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(lambda ()
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(mkdir-p directory)
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;; Note: Explicitly pass options to work around the invalid default
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;; value in Guile-Git: <https://bugs.gnu.org/29238>.
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(if (module-defined? (resolve-interface '(git))
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'clone-init-options)
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(let ((auth-method (and auth-supported?
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(%make-auth-ssh-agent))))
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(clone url directory
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(if auth-supported?
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(make-clone-options
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#:fetch-options (make-fetch-options auth-method))
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(clone-init-options))))
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(clone url directory)))
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(let ((auth-method (%make-auth-ssh-agent)))
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(clone url directory
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(make-clone-options
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#:fetch-options (make-fetch-options auth-method)))))
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(lambda _
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(false-if-exception (rmdir directory)))))
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@ -167,12 +156,7 @@ (define (resolve-reference repository ref)
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;; read out-of-bounds when passed a string shorter than 40 chars,
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;; which is why we delay calls to it below.
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(if (< len 40)
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(if (module-defined? (resolve-interface '(git object))
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'object-lookup-prefix)
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(object-lookup-prefix repository (string->oid commit) len)
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(raise (condition
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(&message
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(message "long Git object ID is required")))))
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(object-lookup-prefix repository (string->oid commit) len)
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(object-lookup repository (string->oid commit)))))
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(('tag-or-commit . str)
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(if (or (> (string-length str) 40)
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@ -234,40 +218,23 @@ (define-syntax-rule (with-git-error-handling body ...)
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(lambda (key err)
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(report-git-error err))))
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(define (load-git-submodules)
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"Attempt to load (git submodules), which was missing until Guile-Git 0.2.0.
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Return true on success, false on failure."
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(match (false-if-exception (resolve-interface '(git submodule)))
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(#f
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(set! load-git-submodules (const #f))
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#f)
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(iface
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(module-use! (resolve-module '(guix git)) iface)
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(set! load-git-submodules (const #t))
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#t)))
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(define* (update-submodules repository
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#:key (log-port (current-error-port)))
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"Update the submodules of REPOSITORY, a Git repository object."
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;; Guile-Git < 0.2.0 did not have (git submodule).
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(if (load-git-submodules)
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(for-each (lambda (name)
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(let ((submodule (submodule-lookup repository name)))
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(format log-port (G_ "updating submodule '~a'...~%")
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name)
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(submodule-update submodule)
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(for-each (lambda (name)
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(let ((submodule (submodule-lookup repository name)))
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(format log-port (G_ "updating submodule '~a'...~%")
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name)
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(submodule-update submodule)
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;; Recurse in SUBMODULE.
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(let ((directory (string-append
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(repository-working-directory repository)
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"/" (submodule-path submodule))))
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(with-repository directory repository
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(update-submodules repository
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#:log-port log-port)))))
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(repository-submodules repository))
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(format (current-error-port)
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(G_ "Support for submodules is missing; \
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please upgrade Guile-Git.~%"))))
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;; Recurse in SUBMODULE.
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(let ((directory (string-append
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(repository-working-directory repository)
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"/" (submodule-path submodule))))
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(with-repository directory repository
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(update-submodules repository
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#:log-port log-port)))))
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(repository-submodules repository)))
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(define-syntax-rule (false-if-git-not-found exp)
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"Evaluate EXP, returning #false if a GIT_ENOTFOUND error is raised."
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@ -331,12 +298,9 @@ (define canonical-ref
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;; Only fetch remote if it has not been cloned just before.
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(when (and cache-exists?
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(not (reference-available? repository ref)))
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(if auth-supported?
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(let ((auth-method (and auth-supported?
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(%make-auth-ssh-agent))))
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(remote-fetch (remote-lookup repository "origin")
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#:fetch-options (make-fetch-options auth-method)))
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(remote-fetch (remote-lookup repository "origin"))))
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(let ((auth-method (%make-auth-ssh-agent)))
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(remote-fetch (remote-lookup repository "origin")
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#:fetch-options (make-fetch-options auth-method))))
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(when recursive?
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(update-submodules repository #:log-port log-port))
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@ -359,9 +323,7 @@ (define canonical-ref
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;; Reclaim file descriptors and memory mappings associated with
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;; REPOSITORY as soon as possible.
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(when (module-defined? (resolve-interface '(git repository))
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'repository-close!)
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(repository-close! repository))
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(repository-close! repository)
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(values cache-directory (oid->string oid) relation)))))
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22
m4/guix.m4
22
m4/guix.m4
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@ -204,6 +204,28 @@ AC_DEFUN([GUIX_CHECK_GUILE_GCRYPT], [
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fi])
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])
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dnl GUIX_CHECK_GUILE_GIT
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dnl
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dnl Check whether a recent-enough Guile-Git is available.
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AC_DEFUN([GUIX_CHECK_GUILE_GIT], [
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dnl Check whether we're using Guile-Git 0.3.0 or later. 0.3.0
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dnl introduced SSH authentication support and more.
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AC_CACHE_CHECK([whether Guile-Git is available and recent enough],
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[guix_cv_have_recent_guile_git],
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[GUILE_CHECK([retval],
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[(use-modules (git) (git auth) (git submodule))
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(let ((auth (%make-auth-ssh-agent)))
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repository-close!
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object-lookup-prefix
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(make-clone-options
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#:fetch-options (make-fetch-options auth)))])
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if test "$retval" = 0; then
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guix_cv_have_recent_guile_git="yes"
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else
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guix_cv_have_recent_guile_git="no"
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fi])
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])
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dnl GUIX_TEST_ROOT_DIRECTORY
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AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [
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AC_CACHE_CHECK([for unit test root directory],
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