fix #460: use install-unix (which was a typo) for the installer fil…

…ename for TinyTeX <= v2025.01, and `installer-unix` for higher versions

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: tinytex
 Type: Package
 Title: Helper Functions to Install and Maintain TeX Live, and Compile LaTeX Documents
-Version: 0.54.1
+Version: 0.54.2
 Authors@R: c(
   person("Yihui", "Xie", role = c("aut", "cre", "cph"), email = "xie@yihui.name", comment = c(ORCID = "0000-0003-0645-5666")),
   person(given = "Posit Software, PBC", role = c("cph", "fnd")),

tinytex.Rproj

@@ -1,4 +1,5 @@
 Version: 1.0
+ProjectId: e10a7696-0e51-49a0-8351-9df9da88574c
 
 RestoreWorkspace: Default
 SaveWorkspace: Default

tools/install-bin-unix.sh

@@ -38,14 +38,18 @@ rm -rf $TEXDIR
 if [ -z $TINYTEX_VERSION ]; then
   TINYTEX_URL="https://github.com/rstudio/tinytex-releases/releases/download/daily/$TINYTEX_INSTALLER"
 else
+  # the installer was accidentally named "install-unix" instead of "installer-unix" before v2025.01
+  if [ "$TINYTEX_INSTALLER" = "installer-unix" ] && [[ "$TINYTEX_VERSION" -le "2025.01" ]]; then
+    TINYTEX_INSTALLER="install-unix"
+  fi
   TINYTEX_URL="https://github.com/rstudio/tinytex-releases/releases/download/v$TINYTEX_VERSION/$TINYTEX_INSTALLER-v$TINYTEX_VERSION"
 fi
 
 if [ $OSNAME = 'Darwin' ]; then
     curl -L -f --retry 10 --retry-delay 30 ${TINYTEX_URL}.tgz -o TinyTeX.tgz
     tar xf TinyTeX.tgz -C $(dirname $TEXDIR)
     rm TinyTeX.tgz
-else if [ $TINYTEX_INSTALLER != 'installer-unix' ]; then
+else if [[ "$TINYTEX_INSTALLER" =~ ^"TinyTeX-" ]]; then
     wget --retry-connrefused --progress=dot:giga -O TinyTeX.tar.gz ${TINYTEX_URL}.tar.gz
     tar xf TinyTeX.tar.gz -C $(dirname $TEXDIR)
     rm TinyTeX.tar.gz