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* base: Annotate output with job information....Before this change, it was difficult to discern which job emitted which output, as there was no information connecting the job to the output it produced. This change rectifies that by annotating each line output by cron/mcron with a prefix that contains a timestamp and the job name. It also reports about when the job runs and whether it completed successfully or failed. It was initially suggested here: <https://issues.guix.gnu.org/36510>. Thanks to the fine people from the #guile libera.chat IRC channel for providing ideas and help; this change would not have been possible without them! * src/mcron/base.scm (install-suspendable-ports!): Install suspendable ports. (%date-format, %log-format): New parameters. (validate-date-format, validate-log-format): New procedures. (<job-data>): New record. (run-job): Update doc. Redirect stdout and stderr to a pipe. Return a <job-data> instance containing the input port and other information about the job. Output job status messages. (process-output): New procedure. (child-cleanup): Add docstring. Use positive logic. Call 'process-output' one last time after a child process is collected. (run-job-loop): Add a CHILDREN-DATA variable to the loop. Provide the open file descriptors of the children ports to select*, and collect their output when they trigger select. * tests/base.scm ("run-job: basic"): Adjust and fix indentation. (dummy-job/capture-output): New procedure. ("run-job, output"): New test. ("validate-date-format, valid", "validate-date-format, invalid") ("validate-log-format, valid", "validate-log-format, invalid") ("run-job, output with custom format", "run-job, failure") ("run-job, failure in shell action"): New tests. * src/mcron/scripts/cron.scm (show-help): Document new options. (%options) [log-format, date-format]: New options. (main): Parameterize the main loop with the new parameter options (or their default values when not provided); move exception handling elsewhere (see below). * src/mcron/scripts/mcron.scm: Likewise. * src/cron.in: Install error handler here. * src/mcron.in: Likewise. * doc/mcron.texi: Document new cron and mcron options, as well as new (mcron base) APIs. * tests/basic.sh: Test the new options. Suggested-by: Robert Vollmert <rob@vllmrt.net> Maxim Cournoyer2022-07-075-106/+327
* Revert "Minor cosmetic simplification of case logic after previous patch."...This reverts commit 99a26e5de6d132056999074ce4f4f2cf24ec8c2f. Dale Mellor2022-01-101-25/+25
* Minor cosmetic simplification of case logic after previous patch.... * src/mcron/base.scm: change around some /cond/s and /if/s. Dale Mellor2021-12-301-25/+25
* base: Handle nonexistent user home directories....This is useful for running jobs as the "nobody" user, for example. * src/mcron/base.scm (run-job): Catch the ENOENT (2, "No such file or directory") error when attempting to change directory to the user home directory. Maxim Cournoyer2021-12-301-1/+11
* Clarify an error message...* src/mcron/scripts/mcron.scm: modified string literal Ahmed Khanzada2021-12-291-1/+2
* small change to reflect GNU Mcron not just mcronatsb2021-04-071-1/+1
* Fix "mcron --help" to show --stdin does *not* apply to files.... * src/mcron/scripts/mcron.scm: modified string literal Dale Mellor2021-02-011-2/+2
* scripts: Separate build/install directory context...This prevents installed modules to interfere with the ones from the build directory. * src/cron.in: Augment Guile load paths with install directories only when MCRON_UNINSTALLED environment variable is not set. * src/crontab.in: Likewise. * src/mcron.in: Likewise. Mathieu Lirzin2020-05-173-8/+14
* project: banish need for C compiler...This patch gets rid of the thin veneer that we currently have around the three executables. This was done for historical reasons (circa 2003 Guile couldnʼt deal with process signals and forks). In fact these problems were fixed many moons ago, and there is now no need for it. The project becomes 100% Guile! Many files are affected; interested coders should use the GIT repository to understand the details of all the changes. Dale Mellor2020-04-2013-425/+180
* mcron: Look for local files in local directory....Previously were looking for files listed on the command line in Guile's modules directory. This is a bug-fix; running 'make check' will reveal one less failure than before. * src/mcron/scripts/mcron.scm (process-user-file): use read and eval instead of load. Dale Mellor2020-04-201-2/+5
* utils: It's 2020!...* src/mcron/utils.scm (show-version): Update copyright year. Ludovic Courtès2020-02-271-1/+1
* base: Avoid 'call-with-current-continuation'....'call-with-current-continuation' is overkill and not quite what we want. 'let/ec' is supported in Guile 2.0, 2.2, and 3.0. * src/mcron/base.scm (run-job-loop): Use 'let/ec' instead of 'call-with-current-continuation'. Ludovic Courtès2020-02-271-22/+22
* base: Call 'child-cleanup' when 'select' returns an empty set....Previously, on Guile >= 2.2, we'd lose this opportunity to call 'child-cleanup', possibly leaving zombies behind us. * src/mcron/base.scm (run-job-loop): Define 'select*'. Don't expect 'select*' to throw upon EINTR or EAGAIN. Ludovic Courtès2020-02-271-14/+26
* Add missing #include directives....<libguile.h> in Guile 2.x used to include these, but this is no longer the case with 3.0. * src/cron.c, src/mcron.h: Include <string.h>. * src/utils.c: Include <stdio.h>. Ludovic Courtès2020-02-273-0/+3
* build: Add '--with-sendmail' configure option...This allows users to configure the Mail Transfert Agent (MTA) of their choice. * configure.ac: Add '--with-sendmail' option. (SENDMAIL): Default to 'sendmail -t'. * NEWS: Announce it. * src/mcron/redirect.scm (with-mail-out): Assume the MTA is reading the message for recipients. * build-aux/guix.scm: Remove 'which' from the native-inputs. 宋文武2018-10-071-4/+4
* vixie-time: Refactor 'parse-vixie-time'...* src/mcron/vixie-time.scm (parse-vixie-time): Use 'match' to avoid complex 'car' and 'cdr' usage. Mathieu Lirzin2018-04-081-68/+63
* vixie-time: Refactor 'interpolate-weekdays'...* src/mcron/vixie-time.scm (interpolate-weekdays): Avoid mutation and add 'range-wday' inner procedure. Mathieu Lirzin2018-04-081-18/+11
* vixie-time: Adapt to '%find-best-next' possible infinite result...This is a follow up to commit ae6deb8ea23570c02a7b575a53bba37048aab59f. * src/mcron/vixie-time.scm (increment-time-component): Check if '%find-best-next' returns '+inf.0' not 9999. Mathieu Lirzin2018-04-011-10/+13
* utils: Remove 'parse-args'...It seems that it is not useful to catch 'misc-error exception when calling 'getopt-long'. Since 'parse-args' purpose was only to catch this particular error, it can be deleted. * src/mcron/utils.scm (parse-args): Remove. Mathieu Lirzin2018-03-273-13/+5
* job-specifier: Box 'configuration-user' global variable...* src/mcron/job-specifier.scm (configuration-user): Box it using SRFI-111 to be explicit about the mutability of this object. (job): Adapt. (set-configuration-user): Adapt and use 'get-user'. * tests/job-specifier.scm ("set-configuration-user: passwd entry") ("set-configuration-user: invalid uid", "set-configuration-user: uid") ("set-configuration-user: invalid spec") ("set-configuration-user: name"): New tests. Mathieu Lirzin2018-03-271-6/+4
* job-specifier: Fix typo "implement" => "implementation"...* src/mcron/job-specifier.scm (%find-best-next): Fix typo. Mathieu Lirzin2018-03-271-1/+2
* job-specifier: Adapt 'bump-time' to 'next-...-from' procedures...This is a follow-up to commit 913e3c65e4f56476e8ac69f4892cf92c125751ec. Since 'next-...-from' procedures now uses an '#:optional' argument instead of a dotted optional arguments list, 'bump-time' doesn't need to unwrap VALUE-LIST anymore. * src/mcron/job-specifier.scm (bump-time): Pass VALUE-LIST directly to '%find-best-next'. * tests/job-specifier.scm ("next-hour-from"): New test. * NEWS: Update. Reported-by: Ludovic Courtès <ludo@gnu.org> Mathieu Lirzin2018-03-261-15/+9
* job-specifier: Preserve '%find-best-next' arguments exactness...The behavior of the 'min' procedure which converts its parameters to inexact numbers when at least one of them is inexact was causing '%find-best-next' to always return real numbers. * src/mcron/job-specifier.scm (%find-best-next): Preserve the exactness of numbers in NEXT-LIST. * tests/job-specifier.scm ("%find-best-next: exact"): New test. Reported-by: Ludovic Courtès <ludo@gnu.org> Mathieu Lirzin2018-03-261-2/+6
* utils: It's 2018!...* src/mcron/utils.scm (show-version): Update copyright. Mathieu Lirzin2018-03-251-1/+1
* environment: Refactor configuration environment handling...* src/mcron/environment.scm (current-environment-mods): Rename to ... (%current-environment-mods): ... this. Box it using SRFI-111 to be explicit about the mutability of this object. (get-current-environment-mods-copy, clear-environment-mods) (append-environment-mods): New '#:ENVIRON' argument. Mathieu Lirzin2018-03-241-35/+38
* base: Box 'number-children'...* src/mcron/base.scm (number-children): Box it using SRFI-111 to be explicit about the mutability of this object. (update-number-children!): New procedure. (run-job, child-cleanup): Use it. * tests/base.scm ("update-number-children!: 1+") ("number-children: init", "update-number-children!: 1-"): New tests. Mathieu Lirzin2018-03-241-6/+15
* base: Rewrite 'child-cleanup'...* src/mcron/base.scm (child-cleanup): Use recursion instead of 'do'. Mathieu Lirzin2018-03-241-6/+6
* utils: Add 'get-user'...* src/mcron/utils.scm (get-user): New procedure. * src/mcron/job-specifier.scm (job): Use it. * src/mcron/base.scm (remove-user-jobs): Likewise. Mathieu Lirzin2018-03-243-8/+17
* base: Rewrite 'find-next-jobs' docstring....* src/mcron/base.scm (find-next-jobs): Don't explain the detail of implementation in the docstring. Mathieu Lirzin2018-03-241-15/+4
* base: Add '<schedule>' record data type...Reifying the notion of a schedule helps reasoning about the code. Passing a schedule as an argument to related procedures allows writing simpler unit tests. * src/mcron/base.scm(<schedule>): New record data type. (make-schedule, schedule-user, set-schedule-user!) (schedule-system, set-schedule-system!) (schedule-current, set-schedule-current!): New procedures. (system-job-list, user-job-list, configuration-source): Replace those global variables with ... (%global-schedule): ... this global <schedule> instance. * src/mcron/base.scm (use-system-job-list, use-user-job-list) (remove-user-jobs, clear-system-jobs, add-job, find-next-jobs) (display-schedule, run-job-loop): Add '#:SCHEDULE' keyword argument. * doc/mcron.texi (The base module): Update documentation. Mathieu Lirzin2018-03-241-66/+77
* job-specifier: Use 'simple-format'...* src/mcron/job-specifier.scm (job): Use 'simple-format' instead of 'with-output-to-string'. Mathieu Lirzin2018-03-231-4/+3
* utils: Use 'scandir' instead of custom 'for-each-file'...* src/mcron/utils.scm (for-each-file): Delete. * src/mcron/scripts/cron.scm (process-files-in-system-directory): Use 'scandir' which has the benefit of being deterministic. * src/mcron/scripts/mcron.scm (process-files-in-user-directory): Likewise. * tests/schedule.sh: Update expected output which is now more reliable. * NEWS: Update. Suggested-by: Ludovic Courtès <ludo@gnu.org> Mathieu Lirzin2018-03-203-23/+11
* tests: Add 'schedule.sh'...* tests/schedule.sh: New test. * Makefile.am (TESTS): Add it. * src/mcron/job-specifier.scm (configuration-time): Use SOURCE_DATE_EPOCH for reproducible tests. Mathieu Lirzin2018-03-161-1/+4
* base: Add 'display-schedule' procedure...This procedure is a more generic and less coupled version of 'get-schedule' which has been kept for backward compatibility and deprecated. * src/mcron/base.scm (display-schedule): New procedure. (get-schedule): Move to ... * src/mcron/core.scm: ... here. * src/mcron/scripts/cron.scm (main): Use 'display-schedule'. * src/mcron/scripts/mcron.scm (main): Likewise. * doc/mcron.texi (The base module): Document it. Mathieu Lirzin2018-03-164-30/+27
* crontab: Extract procedures from 'main'...* src/mcron/scripts/crontab.scm (in-access-file?) (hit-server): New procedures. Mathieu Lirzin2018-03-161-35/+34
* utils: Add 'assq_symbol_set_x' function...* src/utils.c (assq_symbol_set_x): New function. * src/mcron.c (parse_opt): Use it. Mathieu Lirzin2017-09-285-16/+18
* mcron: Handle command line arguments in C with argp...'argp' is a convenient and maintainable way to parse command line arguments. Guile doesn't offer an equivalent of this, so the command line handling has been moved to C. * src/mcron.c (parse_args, parse_opt): New functions. (inner_main): Call 'parse_args'. * src/mcron/scripts/mcron.scm (show-help, %options): Delete. (main): Remove command line handling. Mathieu Lirzin2017-09-282-61/+108
* Replace generic C wrapper with individual programs...* src/wrapper.c: Delete. * src/crontab.c: New file. * src/mcron.c: Likewise. * src/cron.c: Likewise. * configure.ac: Adapt 'AC_CONFIG_DIR' to use "src/mcron.c". * Makefile.am (bin_crontab_SOURCES, bin_cron_SOURCES) (bin_mcron_SOURCES): Use new files. (bin_cron_CPPFLAGS, bin_mcron_CPPFLAGS, bin_crontab_CPPFLAGS): Delete. Mathieu Lirzin2017-09-283-21/+109
* wrapper: Move 'wrap_env_path' to a new 'utils' module....* src/wrapper.c: Move 'wrap_env_path' to ... * src/utils.h: ... here. New module. * src/utils.c: New file. * configure.ac: Use AC_PROG_RANLIB and AM_PROG_AR. * Makefile.am (noinst_LIBRARIES, src_libmcron_a_SOURCES): New variables. (LDADD): Add 'src/libmcron.a'. Mathieu Lirzin2017-09-283-24/+72
* build: Remove "--enable-debug" configure option...Unlike C code where debugging impose the "-g" compilation flags. This debugging option only affects Guile code, so using an environment variable works better since it doesn't impose to recompile Mcron or to edit "config.scm". * configure.ac: Remove "--enable-debug" configure option. * src/mcron/config.scm.in (config-debug): Use MCRON_DEBUG environment variable to trigger the debug mode at runtime. Mathieu Lirzin2017-09-281-1/+8
* Add (mcron core) module....This module is an alias for (mcron base) module. This modules is added to keep backward compatibility with Mcron 1.x. Mathieu Lirzin2017-09-281-0/+32
* base: Add 'run-job' procedure....* src/mcron/base.scm (run-jobs): Delete. (run-job): New procedure. (run-job-loop): Use it. Mathieu Lirzin2017-09-281-31/+20
* job-specifier: Remove dependency on SRFI-26....* src/mcron/job-specifier.scm (range): Use plain lambda instead of 'cut' and 'cute'. Mathieu Lirzin2017-09-281-3/+6
* build: Define PACKAGE_LOAD_COMPILED_PATH macro....* Makefile.am (AM_CPPFLAGS): Define PACKAGE_LOAD_COMPILED_PATH macro. * src/wrapper.c (main): Use it. Mathieu Lirzin2017-09-271-1/+1
* wrapper: Avoid 'scm_c_eval_string' usage....* src/wrapper.c (wrap_env_path): New function. (main): Use it. (inner_main): Let 'wrap_env_path' set the environment variables. Don't use 'scm_c_eval_string' when calling 'main' procedure. * Makefile.am (AM_CPPFLAGS): Define _GNU_SOURCE for 'asprintf'. Mathieu Lirzin2017-09-271-11/+39
* base: find-next-jobs: Use functional style....* src/mcron/base.scm (find-next-jobs): Rewrite it using functional style. Add docstring. Mathieu Lirzin2016-12-281-40/+29
* vixie-specification: Do not use 'and-let*'....* src/mcron/vixie-specification.scm (parse-vixie-environment): Use 'and=>' instead of 'and-let*' Mathieu Lirzin2016-12-281-6/+3
* all: Gather module imports....* src/mcron/base.scm: Gather module imports. * src/mcron/redirect.scm: Likewise. * src/mcron/vixie-specification.scm: Likewise. * src/mcron/vixie-time.scm: Likewise. Mathieu Lirzin2016-12-284-37/+26
* utils: Remove unneeded 'stdin->string' procedure....* src/mcron/utils.scm: Re-export 'read-string'. (stdin->string): Delete. * src/mcron/scripts/crontab.scm (main): Use 'read-string' instead. * src/mcron/scripts/mcron.scm (process-user-file): Likewise. Mathieu Lirzin2016-12-283-10/+4
* utils: for-each-file: Use named let....* src/mcron/utils.scm (for-each-file): Use named 'let' instead of 'do'. Mathieu Lirzin2016-12-281-3/+6