diff options
Diffstat (limited to 'docs/cpt.txt')
| -rw-r--r-- | docs/cpt.txt | 188 |
1 files changed, 134 insertions, 54 deletions
diff --git a/docs/cpt.txt b/docs/cpt.txt index e965da7..566c388 100644 --- a/docs/cpt.txt +++ b/docs/cpt.txt @@ -14,7 +14,9 @@ _________________ 2. Preface 3. Usage 4. Configuration -.. 1. CPT Base +.. 1. Configuration directory +..... 1. CPT Base +..... 2. Systemwide hooks .. 2. Environment Variables ..... 1. `CPT_PATH' ..... 2. `CPT_COMPRESS' @@ -40,27 +42,28 @@ _________________ 7. Comparison Between CPT and KISS 8. CPT Library .. 1. Calling the library -.. 2. Option parsing +.. 2. Variables +.. 3. Option parsing ..... 1. Defining a parser ..... 2. `global_options()' -.. 3. Message functions +.. 4. Message functions ..... 1. `out()' ..... 2. `log()' ..... 3. `die()' ..... 4. `warn()' ..... 5. `prompt()' -.. 4. Text functions +.. 5. Text functions ..... 1. `contains()' ..... 2. `regesc()' ..... 3. `pop()' ..... 4. `sepchar()' -.. 5. Portability functions +.. 6. Portability functions ..... 1. `_seq()' ..... 2. `_stat()' ..... 3. `_readlinkf()' -.. 6. System Functions +.. 7. System Functions ..... 1. `as_root()' -.. 7. Package Functions +.. 8. Package Functions ..... 1. `pkg_build()' ..... 2. `pkg_depends()' ..... 3. `pkg_order()' @@ -74,11 +77,11 @@ _________________ This is a reference document containing both the user-guide and the -development manual for *Carbs Packaging Tools*. For development logs see -[the git repository]. +development manual for *Carbs Packaging Tools* version Fossil. For +development logs see [the fossil repository]. -[the git repository] <https://git.carbslinux.org/cpt> +[the fossil repository] <https://fossil.carbslinux.org/cpt> 1 Copying @@ -106,9 +109,15 @@ development manual for *Carbs Packaging Tools*. For development logs see aims to document both the usage of the distributed tools and document the library functions. + If you happen to find something that is not properly covered by the + documentation, or an area that can be improved, please feel free to + submit a patch, or [open a ticket]. + [kiss] <https://github.com/kisslinux/kiss> +[open a ticket] <https://fossil.carbslinux.org/cpt/tktnew> + 3 Usage ======= @@ -178,17 +187,31 @@ development manual for *Carbs Packaging Tools*. For development logs see package manager. -4.1 CPT Base -~~~~~~~~~~~~ +4.1 Configuration directory +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + Some features of the package manager can be configured from the files + found under `/etc/cpt/'. Even though this doesn't sound like the + premise of "no configuration" files, these files are completely + optional to the package manager, and still the majority of + configuration is done through environment variables. The files on this + directory are for configuration that don't have a big impact on how + the package manager behaves, and are not feasible to be used inside + simple environment variables (such as the base package list and + package manager hooks). + + +4.1.1 CPT Base +-------------- - An `/etc/cpt-base' file can be used in order to define the base to the - package manager. Base packages are the packages that receive special - treatment by utilities such as `cpt-reset', and `cpt-orphans'. + The file `/etc/cpt/base' can be used in order to define the base to + the package manager. Base packages are the packages that receive + special treatment by utilities such as `cpt-reset', and `cpt-orphans'. ,---- | # This file defines the base packages of the system. You can add or remove | # package names in order to redefine the base. This file will be used by - | # cpt-orphans and cpt-reset. If this file doesn't exist on /etc/cpt-base, both + | # cpt-orphans and cpt-reset. If this file doesn't exist on /etc/cpt/base, both | # of the tools will assume that there is no defined base, so use with caution. | baselayout | binutils @@ -214,6 +237,16 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- +4.1.2 Systemwide hooks +---------------------- + + A collection of hooks can be installed under `/etc/cpt/hooks/'. All of + the files installed under this directory will then be sourced by the + package manager whenever a hook is called. Some examples for system + hooks can be found under the `/usr/share/cpt/examples/hooks/' + directory. + + 4.2 Environment Variables ~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -412,10 +445,14 @@ development manual for *Carbs Packaging Tools*. For development logs see Run before a package is installed for each package post-install Run after a package is installed for each package + end-install + Run after all given packages are installed pre-remove Run before a package is removed for each package post-remove Run after a package is removed for each package + end-remove + Run after all given packages are removed pre-fetch Run before all repositories are fetched post-fetch @@ -627,7 +664,7 @@ development manual for *Carbs Packaging Tools*. For development logs see mandatory file for submitting packages to Carbs Linux repositories. -[pkg_query_meta()] See section 8.7.10 +[pkg_query_meta()] See section 8.8.10 5.7 post-install @@ -878,7 +915,50 @@ development manual for *Carbs Packaging Tools*. For development logs see environment variables that are used inside the package manager. -8.2 Option parsing +8.2 Variables +~~~~~~~~~~~~~ + + This section lists some of the variables defined by the package + manager that can be used in scripts. These variables usually cannot be + defined by the user, so they are not part of the [variables] section + above. + + `$cpt_confdir' + Location of the CPT system configuration directory. This is + usually either `/etc/cpt' or `PREFIX/etc/cpt'. + `$pkg_db' + Location of the package database without the root + (`var/db/cpt/installed'). + `$sys_db' + Location of the package manager database, making use of the + current `$CPT_ROOT' (`$CPT_ROOT/$pkg_db'). This is the database + you probably want to use. + `$cpt_base' + Location of the file that defines the base packages. + + If for some reason, your script interacts with the directories created + and managed by the package manager you should use the following + variables instead of the user assigned variables such as `$CPT_CACHE' + or `$CPT_TMPDIR'. The variables below are the ones used for package + operations (which are assigned by using a combination of user-assigned + values and their fallbacks). + + `$cac_dir' + Cache directory used by the package manager. + `$src_dir' + Directory containing downloaded sources for packages. + `$log_dir' + Directory where logs are saved. + `$bin_dir' + Directory where built package tarballs are saved. + `$tmp_dir' + Temporary directory for the package manager operations. + + +[variables] See section 4.2 + + +8.3 Option parsing ~~~~~~~~~~~~~~~~~~ `cpt-lib' includes a POSIX-shell option parser inside named @@ -890,7 +970,7 @@ development manual for *Carbs Packaging Tools*. For development logs see [documentation] <https://github.com/ko1nksm/getoptions/blob/v2.5.0/README.md> -8.2.1 Defining a parser +8.3.1 Defining a parser ----------------------- Some functions are called and set automatically when you call @@ -917,7 +997,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.2.2 `global_options()' +8.3.2 `global_options()' ------------------------ The `global_options()' function is a simple convenience call to @@ -943,13 +1023,13 @@ development manual for *Carbs Packaging Tools*. For development logs see output of the `--help' and `--version' flags. -8.3 Message functions +8.4 Message functions ~~~~~~~~~~~~~~~~~~~~~ `cpt' has various functions to print information to users. -8.3.1 `out()' +8.4.1 `out()' ------------- `out()' is a really simple function that prints messages to the @@ -964,7 +1044,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.3.2 `log()' +8.4.2 `log()' ------------- `log()' is the most commonly used message function in the package @@ -982,7 +1062,7 @@ development manual for *Carbs Packaging Tools*. For development logs see above. -8.3.3 `die()' +8.4.3 `die()' ------------- `die()' wraps the `log()' function and exits with an error (1). It @@ -990,14 +1070,14 @@ development manual for *Carbs Packaging Tools*. For development logs see function. The third argument for `log()' is set as `!>'. -8.3.4 `warn()' +8.4.4 `warn()' -------------- `warn()' is another function that wraps `log()'. In place of the third argument, it uses the word `WARNING'. -8.3.5 `prompt()' +8.4.5 `prompt()' ---------------- `prompt()' is an interactive function that waits for user input to @@ -1007,14 +1087,14 @@ development manual for *Carbs Packaging Tools*. For development logs see `CPT_PROMPT' to 0. -8.4 Text functions +8.5 Text functions ~~~~~~~~~~~~~~~~~~ Following functions are used to manipulate, check, or interact with text. -8.4.1 `contains()' +8.5.1 `contains()' ------------------ `contains' function can be used to check whether a list variable @@ -1030,7 +1110,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.4.2 `regesc()' +8.5.2 `regesc()' ---------------- `regesc()' can be used to escape regular expression characters that @@ -1042,7 +1122,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.4.3 `pop()' +8.5.3 `pop()' ------------- `pop()' can be used to remove a word from a "string list" without a @@ -1056,7 +1136,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.4.4 `sepchar()' +8.5.4 `sepchar()' ----------------- This function can be used to separate characters from the given string @@ -1076,7 +1156,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.5 Portability functions +8.6 Portability functions ~~~~~~~~~~~~~~~~~~~~~~~~~ These helper functions are used so that we don't depend on non-POSIX @@ -1084,7 +1164,7 @@ development manual for *Carbs Packaging Tools*. For development logs see character. -8.5.1 `_seq()' +8.6.1 `_seq()' -------------- This function is similar to `seq(1)' except that it only takes a @@ -1098,7 +1178,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.5.2 `_stat()' +8.6.2 `_stat()' --------------- This function imitates `stat %U'. `stat' isn't defined by POSIX, and @@ -1106,7 +1186,7 @@ development manual for *Carbs Packaging Tools*. For development logs see file. If the owner cannot be found, it will return `root'. -8.5.3 `_readlinkf()' +8.6.3 `_readlinkf()' -------------------- This function was taken from [POSIX sh readlinkf library by Koichi @@ -1118,10 +1198,10 @@ development manual for *Carbs Packaging Tools*. For development logs see <https://github.com/ko1nksm/readlinkf> -8.6 System Functions +8.7 System Functions ~~~~~~~~~~~~~~~~~~~~ -8.6.1 `as_root()' +8.7.1 `as_root()' ----------------- `as_root()' calls the rest of the arguments as a different @@ -1138,7 +1218,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `$CPT_SU' variable. -8.7 Package Functions +8.8 Package Functions ~~~~~~~~~~~~~~~~~~~~~ Obviously, package functions are the most important ones for @@ -1146,7 +1226,7 @@ development manual for *Carbs Packaging Tools*. For development logs see manipulate, or to otherwise interact with packages. -8.7.1 `pkg_build()' +8.8.1 `pkg_build()' ------------------- This function builds all given packages. It resolves dependencies for @@ -1164,7 +1244,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.7.2 `pkg_depends()' +8.8.2 `pkg_depends()' --------------------- This function calculates the dependencies for the requested package, @@ -1173,17 +1253,17 @@ development manual for *Carbs Packaging Tools*. For development logs see packages. -[pkg_order()] See section 8.7.3 +[pkg_order()] See section 8.8.3 -8.7.3 `pkg_order()' +8.8.3 `pkg_order()' ------------------- This function receives package names and returns `$order' and `$redro' variables that can be used for building and removing packages. -8.7.4 `pkg_owner()' +8.8.4 `pkg_owner()' ------------------- This function can be used to determine the owner of a package. The @@ -1204,7 +1284,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.7.5 `pkg_isbuilt()' +8.8.5 `pkg_isbuilt()' --------------------- This function returns with success when the given package has a built @@ -1212,7 +1292,7 @@ development manual for *Carbs Packaging Tools*. For development logs see repository. -8.7.6 `pkg_lint()' +8.8.6 `pkg_lint()' ------------------ This function checks whether a given package fits the proper package @@ -1220,7 +1300,7 @@ development manual for *Carbs Packaging Tools*. For development logs see outright* if it fails. -8.7.7 `pkg_find()' +8.8.7 `pkg_find()' ------------------ `pkg_find()' is the tool for searching packages. It accepts up to 3 @@ -1253,17 +1333,17 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.7.8 `pkg_get_base()' +8.8.8 `pkg_get_base()' ---------------------- - This function returns the base packages as defined in - `/etc/cpt-base'. If an optional argument is present, it will print all - package names in a single line. If it is not given any arguments, it - will return one package per line. See 4.1 for more information on base + This function returns the base packages as defined in the base + file. If an optional argument is present, it will print all package + names in a single line. If it is not given any arguments, it will + return one package per line. See 4.1.1 for more information on base packages. -8.7.9 `pkg_gentree()' +8.8.9 `pkg_gentree()' --------------------- This function generates a dependency tree for the given package. The @@ -1283,7 +1363,7 @@ development manual for *Carbs Packaging Tools*. For development logs see line. -* 8.7.9.1 Examples +* 8.8.9.1 Examples This example uses the `cpt' package for Carbs Linux. The package itself is listed to depend on `curl' and `rsync'. Here is the output @@ -1309,7 +1389,7 @@ development manual for *Carbs Packaging Tools*. For development logs see `---- -8.7.10 `pkg_query_meta()' +8.8.10 `pkg_query_meta()' ------------------------- This function is used to query the [meta file] inside package |