X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/b620a662b669862cd7bf01aa06c8ad3de2f1a7f4..8b898cc1e883b2a5b3662a5c6b6913d5d0e7236d:/README.markdown?ds=sidebyside diff --git a/README.markdown b/README.markdown index 952f4ee..b3789ad 100644 --- a/README.markdown +++ b/README.markdown @@ -24,7 +24,7 @@ It aims to do this with zero dependencies beyond the programs already installed on your computer†. † Assuming an operating system with a fairly featureful, and - Posix‐compliant, development setup (e·g, macOS). + Posix‐compliant, development setup (e·g, Macintosh ≥ version 10.8). In fact, on Linux you will probably need to install a few programs: `libxml2-utils`, `xsltproc`, `sharutils`, and `pax`. @@ -51,16 +51,33 @@ In Ascii environments, ⛩️📰 书社 should be written `Shushe`, following ## Prerequisites In most cases, ⛩️📰 书社 aims to require only functionality which is - present in all Posix‐compliant operating systems. + present in all Posix‐compliant (`POSIX.1-2001`) operating systems. There are a few exceptions. Details on particular programs are given below; if a program is not listed, it is assumed that any Posix‐compliant implementation will work. +### `diff` + +This is a Posix utility, but ⛩️📰 书社 depends on functionality + introduced after `POSIX.1-2001` (the `-u` option, introduced in + `POSIX.1-2008`). +Macintosh systems somewhat interestingly implement this option + correctly in legacy mode (`COMMAND_MODE=legacy`) but incorrectly by + default (despite claiming `POSIX.1-2008` conformance for this + utility). +[Note this erroneous comment claiming nanosecond & timezone are + extensions rather than standardized.][rdar-92753335] +Despite this, the default Macintosh implementation will still work with + ⛩️📰 书社, with the caveat that the timestamp will only include a + fractional component when a Posix⹀compliant (e·g, Macintosh legacy or + G·N·U) implementation is used. + ### `file` -This is a Posix utility, but ⛩️📰 书社 currently depends on - unspecified behaviour. +This is a Posix utility, but it was considered optional in + `POSIX.1-2001` (altho it was made mandatory in `POSIX.1-2008`) and + ⛩️📰 书社 currently depends on unspecified behaviour. It requires support for the following additional options :⁠— - **`-C`**, when supplied with `-m`, must be useable to compile a @@ -88,8 +105,9 @@ To disable it, set `GIT=`. ### `make` -This is a Posix utility, but ⛩️📰 书社 currently depends on - unspecified behaviour. +This is a Posix utility, but it is considered an optional Software + Development utility and ⛩️📰 书社 currently depends on unspecified + behaviour. ⛩️📰 书社 requires specifically the G·N·U version of `make`, and depends on functionality present in version 3.81 or later. It is not expected to work in previous versions, or with other @@ -97,27 +115,30 @@ It is not expected to work in previous versions, or with other ### `pax` -This is a Posix utility, but not included in the Linux Standard Base or - installed by default in many distributions. -Only `ustar` format support is required. +This is a Posix utility, but it is not included in the Linux Standard + Base or installed by default in many distributions. +⛩️📰 书社 only requires support for the `ustar` format. ### `uudecode` and `uuencode` -These are Posix utilities, but not included in the Linux Standard Base - or installed by default in many distributions. +These are Posix utilities, but they were considered optional in + `POSIX.1-2001` (altho they are made mandatory in `POSIX.1-2008`) and + they are not included in the Linux Standard Base or installed by + default in many distributions. The G·N·U [Sharutils](https://www.gnu.org/software/sharutils/) package - can be installed to access them. + provides one implementation. ### `xmlcatalog` and `xmllint` These are not a Posix utilities. -They is a part of `libxml2`, but may need to be installed separately - (e·g by the name `libxml2-utils`). +They are a part of `libxml2`, but may need to be installed separately + on some platforms (e·g by the name `libxml2-utils`). ### `xsltproc` This is not a Posix utility. -It is a part of `libxslt`, but may need to be installed separately. +It is a part of `libxslt`, but may need to be installed separately on + some platforms. ## Basic Usage @@ -181,15 +202,16 @@ In every case, you may supply your own implementation by overriding the - `awk` - `cat` +- `cd` - `cksum` - `cp` - `date` +- `diff` - `file` - `find` - `git` (optional; set `GIT=` to disable) - `grep` - `ln` -- `ls` - `mkdir` - `mv` - `od` @@ -261,6 +283,8 @@ The following additional variables can be used to control the behaviour those which end with a cloparen, and those which contain a hash, buck, percent, asterisk, colon, semi, eroteme, bracket, backslash, or pipe. + It is important that these rules not produce any output, as anything + printed to `stdout` will be considered a result of the find. - **`EXTRAFINDRULES`:** The value of this variable is appended to `FINDRULES` by default, to @@ -292,8 +316,13 @@ The following additional variables can be used to control the behaviour enable additional transforms without overriding the existing ones. - **`XMLTYPES`:** - A white·space‐separated list of media types to consider X·M·L - (default: `application/xml text/xml`). + A white·space‐separated list of media types or media type suffixes to + consider X·M·L (default: `application/xml text/xml +xml`). + +- **`FINALIZE`:** + A program to run on (unspecial) X·M·L files after they are + transformed (default: `xmllint --nonet --nsclean`). + This variable can be used for postprocessing. - **`THISREV`:** The current version of ⛩️📰 书社 (default: derived from the current @@ -303,6 +332,15 @@ The following additional variables can be used to control the behaviour The current version of the source files (default: derived from the current git tag/branch/commit). +- **`QUIET`:** + If this variable has a value, informative messages will not be + printed (default: empty). + Informative messages print to stderr, not stdout, so disabling them + usually shouldn’t be necessary. + This does not (cannot) disable messages from Make itself, for which + the `-s`, `--silent` ∕ `--quiet` Make option is more likely to be + useful. + - **`VERBOSE`:** If this variable has a value, every recipe instruction will be printed when it runs (default: empty). @@ -335,14 +373,12 @@ Source files whose media type does not have an associated X·S·L·T contain Ascii white·space, colons (`:`), semis (`;`), pipes (`|`), bucks (`$`), percents (`%`), hashes (`#`), asterisks (`*`), brackets (`[` or `]`), erotemes (`?`), backslashes (`\`), or control - characters, must not begin with a hyphen‐minus (`-`), must not end - with a cloparen (`)`), and must not contain quoted braces (`"{` or - `}"`).** + characters, must not begin with a hyphen‐minus (`-`), and must not end + with a cloparen (`)`).** The former characters have the potential to conflict with make syntax, - a leading hyphen‐minus is confusable for a command‐line argument, a + a leading hyphen‐minus is confusable for a commandline argument, and a trailing cloparen [activates a bug in G·N·U Make - 3.81](https://stackoverflow.com/questions/17148468/capturing-filenames-including-parentheses-with-gnu-makes-wildcard-function#comment24825307_17148894), - and quoted braces are used internally by the program. + 3.81](https://stackoverflow.com/questions/17148468/capturing-filenames-including-parentheses-with-gnu-makes-wildcard-function#comment24825307_17148894). ## Parsers @@ -564,18 +600,14 @@ The following params are made available globally in parsers and - **`SRCTIME`:** The time at which the source file was last modified. - Due to limitations in Posix, this time will only have minute - precision if the file was modified in the last six months, and will - only have day precision if the file is older. - Users should not expect this value to be particularly stable. - **`THISREV`:** The value of the `THISREV` variable (if present). The following params are only available in transforms :⁠— -- **`CATALOG`:** - The path of the catalog file (within `BUILDDIR`). +- **`METADATA`:** + The path of the metadata file (within `BUILDDIR`). - **`PATH`:** The path of the output file (within `DESTDIR`). @@ -689,29 +721,6 @@ They are :⁠— A plaintext (U·T·F‐8) file will be produced from the text nodes in the transformation result. -## Pagination - -It is possible to have a single source file produce multiple output - files via `<书社:page>` elements, whose `@name` gives the name of the - page. -If a parsed document has a `@书社:destination` which contains `%s`, - the `%s` will be replaced with the `@name` for each `<书社:page>` (and - removed for the main output). -Otherwise, the `@name` is inserted before the first period of the - filename (or at the end of the filename for those with no period). -If `<书社:page>`s do not have a `@name`, they are numbered - sequentially. -The destination of pages must be in the same directory as their parent. - -Pagination essentially forms a limited convenience for the more - sophisticated technique of creating an archive with ⛩️📰 书社 and - then unarchiving it. -Pages are, from Make’s point of view, untracked side·effects of - installing the main output, meaning they cannot be targeted directly - and will not appear in `make list` or `make listout`. -They are intended solely for the like of indices and feeds, for which - convenience and necessity outweigh their flaws. - ## License This repository conforms to [REUSE][]. @@ -721,3 +730,4 @@ Most source files are licensed under the terms of the Mozilla [REUSE]: [draft-phillips-record-jar-01]: +[rdar-92753335]: