monads: Add 'text-file*'.
* guix/monads.scm (text-file*): New procedure.
* tests/monads.scm ("text-file*"): New test.
* doc/guix.texi (The Store Monad): Change example since the previous one
would erroneously fail to retain a reference to Coreutils. Document
'text-file*'.
store: Add 'topologically-sorted'.
* guix/store.scm (topologically-sorted): New procedure.
* tests/store.scm ("topologically-sorted, one item",
"topologically-sorted, several items", "topologically-sorted, more
difficult"): New tests.
nar: Add 'restore-file-set', for use by build hooks.
* guix/nar.scm (&nar-invalid-hash-error, &nar-signature-error): New
condition types.
(&nar-error): Add 'file' and 'port' fields.
(&nar-read-error): Remove 'port' and 'file' fields.
(lock-store-file, unlock-store-file, finalize-store-file,
temporary-store-directory, restore-file-set): New procedures.
* tests/nar.scm (%seed): New variable.
(random-text): New procedure.
("restore-file-set (signed, valid)", "restore-file-set (missing
signature)", "restore-file-set (corrupt)"): New tests.
* po/Makevars (XGETTEXT_OPTIONS): Add '--keyword=message'.nar fixes
* po/POTFILES.in: Add guix/nar.scm.
hash: Add 'open-sha256-input-port', for Guile > 2.0.9.
* guix/hash.scm (open-sha256-input-port): New procedure.
* tests/hash.scm (supports-unbuffered-cbip?): New procedure.
("open-sha256-input-port, empty", "open-sha256-input-port, hello",
"open-sha256-input-port, hello, one two",
"open-sha256-input-port, hello, read from wrapped port"): New tests.
utils: Add 'fcntl-flock'.
* guix/utils.scm (%struct-flock, F_SETLKW, F_xxLCK): New variables.
(fcntl-flock): New procedure.
* tests/utils.scm ("fcntl-flock"): New test.
store: Add 'register-path' procedure.
* guix/store.scm (register-path): New procedure.
* tests/store.scm ("register-path"): New test.
* guix/config.scm.in (%guix-register-program): New variable.
* configure.ac: Compute and substitute 'guix_sbindir'. Compute
'guix_prefix'.
* pre-inst-env.in: Define 'GUIX_REGISTER'.
guix-register: Support registration in the current store, without '--prefix'.
* nix/guix-register/guix-register.cc (register_validity): Leave
'info.path' unmodified when PREFIX is empty.
(main): Call 'settings.processEnvironment' early on.
Leave 'settings.nixStore' unmodified when PREFIX is empty.
archive: Add '--missing'.
* guix/scripts/archive.scm (show-help, %options): Add '--missing'.
(guix-archive)[lines]: New procedure.
Use it to honor '--missing'.
* tests/guix-archive.sh: Add tests.
* doc/guix.texi (Invoking guix archive): Document '--missing'.
guix package: Gracefully deal with EPIPE on stdout for --list-*.
* guix/scripts/package.scm (leave-on-EPIPE): New macro.
(guix-package): Use it for 'list-installed', 'list-available', and
'--list-generations'.
* tests/guix-package.sh: Add test.
archive: Add '--authorize'.
* guix/scripts/archive.scm (authorize-key): New procedure.
(guix-archive): Call it when OPTS contains 'authorize-key'.
* tests/guix-archive.sh: Add test with invalid public key.
* guix/pki.scm: Export '%acl-file'.
* doc/guix.texi (Invoking guix archive): Make it clear that '--import'
works only with authorized keys. Document '--authorize'.
pk-crypto: Fix 'canonical-sexp->sexp' for atoms.
* guix/pk-crypto.scm (canonical-sexp->sexp): Add hack to extract an
atom's buffer.
* tests/pk-crypto.scm ("sexp->canonical-sexp->sexp"): Add sample.
Add (guix pki).
* guix/pki.scm, tests/pki.scm: New files.
* Makefile.am (MODULES): Add 'guix/pki.scm'.
(SCM_TESTS): Add 'tests/pki.scm'.
pk-crypto: Add canonical-sexp to sexp conversion procedures.
* guix/pk-crypto.scm (canonical-sexp-fold, canonical-sexp->sexp,
sexp->canonical-sexp): New procedures.
* tests/pk-crypto.scm ("canonical-sexp->sexp",
"sexp->canonical-sexp->sexp"): New tests.
pk-crypto: Add 'canonical-sexp-length' and related procedures.
* guix/pk-crypto.scm (canonical-sexp-length, canonical-sexp-null?,
canonical-sexp-list?): New procedures.
* tests/pk-crypto.scm ("canonical-sexp-length", "canonical-sexp-list?"):
New tests.
pk-crypto: 'canonical-sexp-nth-data' returns a symbol for "tokens".
* guix/pk-crypto.scm (token-string?): New procedure.
(canonical-sexp-nth-data): Return a symbol when the element is a
"token", and a bytevector otherwise.
(latin1-string->bytevector): Remove.
(hash-data->bytevector): Adjust accordingly.
* tests/pk-crypto.scm ("canonical-sexp-nth"): Adjust accordingly. Add
octet string example.
authenticate: Store the public key as part of the signature.
* guix/scripts/authenticate.scm (signature-sexp): New procedure.
(guix-authenticate): Use it to produce the signature. Adjust
verification code accordingly.
* tests/store.scm ("import corrupt path"): Adjust test accordingly.
pk-crypto: Rename 'gcry-sexp' to 'canonical-sexp'.
* guix/pk-crypto.scm: Rename procedures, variables, etc. from
'gcry-sexp' to 'canonical-sexp'. Add comment with references.
* guix/scripts/authenticate.scm, tests/pk-crypto.scm: Adjust
accordingly.
Add 'guix archive'.
* guix/scripts/archive.scm, tests/guix-archive.sh: New files.
* Makefile.am (MODULES): Add 'archive.scm'.
(SH_TESTS): Add 'guix-archive.sh'.
* doc/guix.texi (Invoking guix archive): New section.
* guix/scripts/build.scm: Export 'derivation-from-expression'.
* guix/scripts/package.scm: Export 'specification->package+output'.
authenticate: Add test.
* tests/guix-authenticate.sh: New file.
* Makefile.am (SH_TESTS): Add it.