diff options
| -rw-r--r-- | src/modules/rust.eselect | 55 |
1 files changed, 38 insertions, 17 deletions
diff --git a/src/modules/rust.eselect b/src/modules/rust.eselect index f72e044..79a93f0 100644 --- a/src/modules/rust.eselect +++ b/src/modules/rust.eselect @@ -40,6 +40,31 @@ get_current_target() { echo "NOT_SET" } +#get symlinks list from file or the default value +get_symlinks_from_file() { + local filename=$1 + local symlinks=() + local i + if [[ -e ${filename} ]]; then + for i in `cat "${filename}"`; do + symlinks+=($i) + done + fi + + if [ ${#symlinks[@]} -eq 0 ]; then + echo /usr/bin/rustdoc + else + echo "${symlinks[@]}" + fi + +} + +#get last set symlinks +get_last_set_symlinks() { + local symlinks=( $(get_symlinks_from_file "${EROOT}/etc/env.d/rust/last-set") ) + echo "${symlinks[@]}" +} + #get lists of symlinks get_symlinks() { local target=$1 @@ -52,17 +77,8 @@ get_symlinks() { target=${targets[target]} fi - local symlinks=() - local i - for i in `cat "${EROOT}/etc/env.d/rust/provider-${target}"`; do - symlinks+=($i) - done - - if [ ${#symlinks[@]} -eq 0 ]; then - echo /usr/bin/rustdoc - else - echo "${symlinks[@]}" - fi + local symlinks=( $(get_symlinks_from_file "${EROOT}/etc/env.d/rust/provider-${target}") ) + echo "${symlinks[@]}" } # remove symlink if exists @@ -83,6 +99,8 @@ set_symlink() { local source=$1 local dest=$2 + remove_symlink "${dest}" + if [[ -e ${source} ]]; then mkdir -p "$(dirname ${dest})" || die -q "directory creation failed for $(dirname ${dest})" ln -s "${source}" "${dest}" || die -q "${dest} symlink setting failed" @@ -93,12 +111,13 @@ set_symlink() { # unset the rust version unset_version() { - local target=$(get_current_target) - local symlinks=( $(get_symlinks ${target}) ) + local symlinks=( $(get_last_set_symlinks) ) for i in "${symlinks[@]}"; do remove_symlink "${EROOT}${i}" done remove_symlink "${EROOT}/usr/bin/rustc" + rm -f "${EROOT}/etc/env.d/rust/last-set" \ + || die -q "rm -f ${EROOT}/etc/env.d/rust/last-set failed" } # set the rust version @@ -122,14 +141,16 @@ set_version() { unset_version - set_symlink "${EROOT}/usr/bin/rustc-${target_postfix}" "${EROOT}/usr/bin/rustc" \ - || die -q "rustc symlink setting failed" + set_symlink "${EROOT}/usr/bin/rustc-${target_postfix}" "${EROOT}/usr/bin/rustc" local symlinks=( $(get_symlinks ${target}) ) for i in "${symlinks[@]}"; do - set_symlink "${EROOT}${i}-${target_postfix}" "${EROOT}${i}" \ - || die -q "${i} symlink setting failed" + set_symlink "${EROOT}${i}-${target_postfix}" "${EROOT}${i}" done + + cp "${EROOT}/etc/env.d/rust/provider-${target}" \ + "${EROOT}/etc/env.d/rust/last-set" || \ + die -q "symlink list copying failed" } ### list action ### |