💾 Archived View for siiky.srht.site › meta › portal.gmi captured on 2023-01-29 at 15:35:24. Gemini links have been rewritten to link to archived content
⬅️ Previous capture (2023-01-29)
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@siiky
2022/08/21
2022/08/21
I just modified my gmi->md script to rewrite gemini:// links to the Gemini Portal. With only 8 new (readable) lines the HTTPS/HTML version of the capsule became that much user friendlier. A handful of links are now broken in the process (gemini://localhost links from the gemini-ipfs-gateway) but no problem, they weren't valid anyway.
Pretty happy with the results and with how easy it was. Good thing Gemtext is so simple.
Here's the diff:
--- a/gmi2md.scm
+++ b/gmi2md.scm
@@ -4,15 +4,30 @@
(chicken io)
(chicken pathname)
(chicken process-context)
+ (srfi 13)
(srfi 197)
gmi)
(define-constant source-extensions '("gmi" "md" "org"))
(define-constant image-extensions '("svg" "png" "jpg" "jpeg" "webp"))
+(define-constant gemini:// "gemini://")
(define ((? p? f g) x) ((if (p? x) f g) x))
(define phi (cute ? <> <> identity))
+(define (gemini-link? l)
+ (and (gmi:link? l)
+ (string-prefix? gemini:// (gmi:link:uri l))))
+
+
+(define (gemini->portal l)
+ (gmi:link (chain (gmi:link:uri l)
+ (substring/shared _ (string-length gemini://))
+ (string-append "https://portal.mozz.us/gemini/" _))
+ ((phi (o not string-null?)
+ (cute string-append "(Gemini Portal) " <>))
+ (gmi:link:text l))))
+
(define ((convert? gemini-root) l)
(and (gmi:link? l)
@@ -98,11 +113,14 @@
""))
))
+(define (rewrite-links gemini-root)
+ (o (phi gemini-link? gemini->portal)
+ (phi (convert? gemini-root) extension/gmi->html)))
(define (main args)
(let ((gemini-root (make-absolute-pathname (current-directory) (car args))))
(chain (gmi:read)
- (map (phi (convert? gemini-root) extension/gmi->html) _)
+ (map (rewrite-links gemini-root) _)
(group-links _)
(map grouped-gmi-element->md-element _)
(concatenate _)