Apply TeX Live hotfix from gitlab/islandoftex/images/texlive/!34

Co-authored-by: Max Chernoff <49086429+gucci-on-fleek@users.noreply.github.com>

See also:
- https://gitlab.com/islandoftex/images/texlive/-/issues/30#note_1369931901
- https://gitlab.com/islandoftex/images/texlive/-/merge_requests/34

Dockerfile

@@ -78,8 +78,18 @@ cp ${BUILD_DIR}/markdownthemewitiko_tilde.sty          ${INSTALL_DIR}/tex/latex/
 mkdir -p                                               ${INSTALL_DIR}/tex/context/third/markdown/
 cp ${BUILD_DIR}/t-markdown.tex                         ${INSTALL_DIR}/tex/context/third/markdown/
 
-# Generate the ConTeXt file database
+# Generate the ConTeXt file database, applying the hotfix from https://gitlab.com/islandoftex/images/texlive/-/issues/30#note_1369931901
+if [ -e /usr/bin/mtxrun.lua ]
+then
+  sed -i '/package.loaded\["data-ini"\]/a if os.selfpath then environment.ownbin=lfs.symlinktarget(os.selfpath..io.fileseparator..os.selfname);environment.ownpath=environment.ownbin:match("^.*"..io.fileseparator) else environment.ownpath=kpse.new("luatex"):var_value("SELFAUTOLOC");environment.ownbin=environment.ownpath..io.fileseparator..(arg[-2] or arg[-1] or arg[0] or "luatex"):match("[^"..io.fileseparator.."]*$") end' /usr/bin/mtxrun.lua
+fi
 mtxrun --generate
+if [ -e /usr/bin/mtxrun.lua ]
+then
+  texlua /usr/bin/mtxrun.lua --luatex --generate
+  context --make
+  context --luatex --make
+fi
 
 # Reindex the TeX directory structure
 texhash
@@ -133,8 +143,18 @@ apt-get -qy clean
 apt-get -qy autoremove --purge
 rm -rf ${AUXILIARY_FILES}
 
-# Generate the ConTeXt file database
+# Generate the ConTeXt file database, applying the hotfix from https://gitlab.com/islandoftex/images/texlive/-/issues/30#note_1369931901
+if [ -e /usr/bin/mtxrun.lua ]
+then
+  sed -i '/package.loaded\["data-ini"\]/a if os.selfpath then environment.ownbin=lfs.symlinktarget(os.selfpath..io.fileseparator..os.selfname);environment.ownpath=environment.ownbin:match("^.*"..io.fileseparator) else environment.ownpath=kpse.new("luatex"):var_value("SELFAUTOLOC");environment.ownbin=environment.ownpath..io.fileseparator..(arg[-2] or arg[-1] or arg[0] or "luatex"):match("[^"..io.fileseparator.."]*$") end' /usr/bin/mtxrun.lua
+fi
 mtxrun --generate
+if [ -e /usr/bin/mtxrun.lua ]
+then
+  texlua /usr/bin/mtxrun.lua --luatex --generate
+  context --make
+  context --luatex --make
+fi
 
 # Reindex the TeX directory structure
 texhash