content: add slackware project 'mkhint'release_26062026-1856

Bilingual (EN/IT) project page for mkhint, the slackrepo hint-file helper:
What-it-does / command reference / how-it-works / why / quick-start, with a
verbatim --help block and an actions CTA to the repo. Listed in the Slackware
submenu via [menus.main] with a literal name 'hintfiles helper' (title stays
mkhint elsewhere). thumbnail.jpg (3:2) + header.jpg (wide) in each language
folder. Bumps theme submodule for the menu-name template fix.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

3 files changed, 123 insertions, 0 deletions

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+title    = "mkhint"
+tagline  = "Manage slackrepo hint files: bump versions, recompute checksums, track upstream releases."
+status   = "active"
+repo_url = "https://git.danix.xyz/mkhintfile"
+tags     = ["bash", "slackware", "slackrepo", "packaging"]
+
+[menus.main]
+  name   = "hintfiles helper"
+  parent = "slackware"
+  weight = 10
++++
+
+**mkhint** is a single Bash script that takes the tedium out of maintaining
+[slackrepo](https://idlemoor.github.io/slackrepo/) *hint files*. A hint file
+overrides build details for an SBo package: which version to build, where to
+download the source, and the checksums to verify it. Keeping those in sync by
+hand, across dozens of packages, is exactly the kind of repetitive work a
+script should own.
+
+## What it does
+
+- **Update a hint** `-f package -v 2.0.1`: bump the version everywhere in the
+  file, re-download the source from `DOWNLOAD` / `DOWNLOAD_x86_64`, and recompute
+  `MD5SUM` / `MD5SUM_x86_64`. The old file is backed up to `.bak` first.
+- **Create a hint** `-n package`: generate a new hint from the matching
+  repository `.info` file, stripping the fields slackrepo does not want and
+  defaulting `ARCH` to `x86_64`. With no `.info`, it writes an empty skeleton.
+- **List** `-l`: print every hint with its `HintVer` (version in the hint) next
+  to the `SBOVer` (version in the repo `.info`), highlighting the rows where the
+  two are byte-equal so you can spot hints that have become redundant with
+  upstream.
+- **Review** `-R`: walk only those matched hints, showing each hint side by
+  side with its `.info` (`git diff --no-index`, falling back to `diff -y`), and
+  prompt to keep, delete, or skip.
+- **Check** `-C [package...]`: query
+  [nvchecker](https://github.com/lilydjwg/nvchecker) for the latest upstream
+  version of one, several, or all hints; report what is outdated; update accepted
+  packages with `nvtake`; and finish with a single `slackrepo update` prompt for
+  everything that changed.
+- **Housekeeping** `-d package` / `-c`: delete a hint and its backup, or clean
+  every `.bak` from the hint directory in one go.
+
+## Command reference
+
+```text
+mkhint - Manage hint files for slackrepo scripts
+
+Usage:
+  ./mkhint --version VERSION --hintfile FILE    Update existing hint file
+  ./mkhint --version VERSION --new FILE         Create new hint file
+  ./mkhint --new FILE                           Create new hint file (no version)
+  ./mkhint --hintfile FILE                      Update hint, suggest latest version via nvchecker
+  ./mkhint --check [FILE...]                     Check all (or named) hints for upstream updates
+  ./mkhint --list                               List hint files
+  ./mkhint --review                             Review hints matching SBo version, keep/delete each
+  ./mkhint --clean                              Remove .bak files from HINT_DIR
+  ./mkhint --no-dl --hintfile FILE              Update hint, skip downloads, add NODOWNLOAD=yes
+  ./mkhint --no-dl --new FILE                   Create hint with NODOWNLOAD=yes
+  ./mkhint --help                               Show this help
+
+Options:
+  --version, -v VERSION    New version string (required for --hintfile)
+  --hintfile, -f FILE      Path to existing hint file (required with --version)
+  --new, -n FILE           Create new hint file (required with --version or standalone)
+  --list, -l               List all hint files in the default directory
+  --review, -R             Review hints whose version matches the SBo .info; diff + keep/delete
+  --clean, -c              Remove all .bak files from HINT_DIR
+  --check, -C [FILE...]    Check hints for upstream updates via nvchecker, update interactively
+  --delete, -d FILE        Delete a hint file (and .bak if present)
+  --no-dl, -N              Skip downloads; add NODOWNLOAD=yes to hint file (use with -f or -n)
+  --help, -h               Show this help message
+```
+
+## How it works
+
+mkhint is plain Bash with three small dependencies, each doing one job:
+
+- `wget` downloads archives so their MD5 can be computed,
+- `nvchecker` (and its companion `nvtake`) tracks upstream versions,
+- `jq` parses nvchecker's JSON output.
+
+Everything else is shell. Paths to the repository and the hint directory are
+two variables at the top of the script. The bash-completion file mirrors them,
+so `-f`, `-n`, `-d`, and `-C` autocomplete package names from the right
+directory, and `-v` even suggests the current version pulled straight from the
+named hint file.
+
+Multiline `DOWNLOAD` entries (a package with several source URLs) are handled
+carefully: the first URL is always re-fetched because the version changed,
+while each continuation URL is offered interactively so unchanged sources keep
+their existing checksum instead of being downloaded again for nothing.
+
+## Why it exists
+
+Maintaining a personal SBo overlay means a steady trickle of version bumps.
+Each one is the same dance: edit the version string, fetch the new tarball,
+recompute the checksum, hope you did not fat-finger a digit. mkhint turns that
+dance into one command, and the `--check` / `--list` / `--review` trio turns
+"which of my hints are now stale or pointless?" from a manual audit into a
+glance. It is the kind of small, sharp tool Slackware encourages: no daemon,
+no database, no framework, just a script that does one annoying job well.
+
+## Quick start
+
+```bash
+sudo cp mkhint /usr/local/bin/mkhint
+sudo cp mkhint.bash-completion /etc/bash-completion.d/mkhint
+
+# update an existing hint to a known version
+mkhint -f mypackage -v 2.0.1
+
+# create a new hint from the repo .info
+mkhint -n mypackage
+
+# see what upstream has moved on
+mkhint --check
+```
+
+Edit the `REPO_DIR` and `HINT_DIR` paths at the top of the script (and in the
+completion file) to match your setup before first use.
+
+{{< actions use="repo" url="https://git.danix.xyz/mkhintfile/" desc="Browse the source" caption="I hope you find it useful. If you maintain your own slackrepo overlay, mkhint might save you the same tedium it saves me. Patches and ideas are welcome." >}}
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