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-rw-r--r--src/common.sh22
-rw-r--r--src/db.sh308
-rw-r--r--src/os.sh30
-rw-r--r--src/path.sh94
-rw-r--r--src/vars.sh59
5 files changed, 0 insertions, 513 deletions
diff --git a/src/common.sh b/src/common.sh
deleted file mode 100644
index 51c9827..0000000
--- a/src/common.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
-# This file is part of the "Config file sharing" project.
-# For details, see https://github.com/egor-tensin/config-links.
-# Distributed under the MIT License.
-
-dump() {
- local prefix="${FUNCNAME[0]}"
- [ "${#FUNCNAME[@]}" -gt 1 ] && prefix="${FUNCNAME[1]}"
-
- local msg
- for msg; do
- echo "$prefix: $msg"
- done
-}
-
-set_dry_run() {
- dry_run=1
-}
-
-is_dry_run() {
- test -n "${dry_run+x}"
-}
diff --git a/src/db.sh b/src/db.sh
deleted file mode 100644
index ae96487..0000000
--- a/src/db.sh
+++ /dev/null
@@ -1,308 +0,0 @@
-# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
-# This file is part of the "Config file sharing" project.
-# For details, see https://github.com/egor-tensin/config-links.
-# Distributed under the MIT License.
-
-# Shared directory settings
-
-shared_root_dir="$( pwd )/"
-
-update_shared_dir() {
- if [ "$#" -ne 1 ]; then
- echo "usage: ${FUNCNAME[0]} DIR" >&2
- return 1
- fi
-
- local new_shared_dir
- new_shared_dir="$( traverse_path --exist --directory -- "$1" )"
-
- [ "$new_shared_dir" = / ] || new_shared_dir="$new_shared_dir/"
-
- [ "$db_path" = "$shared_root_dir$default_db_name" ] \
- && db_path="$new_shared_dir$default_db_name"
-
- shared_root_dir="$new_shared_dir"
-}
-
-# Database maintenance
-
-readonly default_db_name='links.bin'
-db_path="$shared_root_dir$default_db_name"
-declare -A database=()
-declare -A shared_paths=()
-declare -A symlink_paths=()
-
-update_database_path() {
- if [ "$#" -ne 1 ]; then
- echo "usage: ${FUNCNAME[0]} PATH" >&2
- return 1
- fi
-
- db_path="$( traverse_path --file -- "$1" )"
-
- local db_dir
- db_dir="$( dirname -- "$db_path" )"
- mkdir -p -- "$db_dir"
-}
-
-add_entry() {
- local entry
- for entry; do
- dump "entry: $entry"
-
- local var_name
- var_name="$( extract_variable_name "$entry" )"
- cache_variable "$var_name"
-
- local shared_var_dir="$shared_root_dir%$var_name%"
- local symlink_var_dir
- symlink_var_dir="$( resolve_variable "$var_name" )"
- local subpath="${entry#%"$var_name"%/}"
-
- local shared_path="$shared_var_dir"
- [ "$shared_var_dir" != / ] && shared_path="$shared_path/"
- shared_path="$shared_path$subpath"
-
- local symlink_path="$symlink_var_dir"
- [ "$symlink_var_dir" != / ] && symlink_path="$symlink_path/"
- symlink_path="$symlink_path$subpath"
-
- dump " shared file path: $shared_path"
- dump " symlink path: $symlink_path"
-
- database[$entry]="$var_name"
- shared_paths[$entry]="$shared_path"
- symlink_paths[$entry]="$symlink_path"
- done
-}
-
-remove_entry() {
- local entry
- for entry; do
- unset -v 'database[$entry]'
- unset -v 'shared_paths[$entry]'
- unset -v 'symlink_paths[$entry]'
- done
-}
-
-read_database() {
- [ ! -r "$db_path" ] && return 0
-
- local entry
- while IFS= read -d '' -r entry; do
- add_entry "$entry"
- done < "$db_path"
-}
-
-write_database() {
- is_dry_run && return 0
-
- [ "${#database[@]}" -eq 0 ] && rm -f -- "$db_path" && return 0
-
- > "$db_path"
-
- local entry
- for entry in "${!database[@]}"; do
- printf -- '%s\0' "$entry" >> "$db_path"
- done
-}
-
-link_entry() {
- local entry
- for entry; do
- local shared_path="${shared_paths[$entry]}"
- local symlink_path="${symlink_paths[$entry]}"
-
- local symlink_dir
- symlink_dir="$( dirname -- "$symlink_path" )"
- mkdir -p -- "$symlink_dir"
- ln -f -s --no-target-directory -- "$shared_path" "$symlink_path"
- done
-}
-
-delete_obsolete_dirs() {
- if [ "$#" -ne 2 ]; then
- echo "usage: ${FUNCNAME[0]} BASE_DIR DIR" >&2
- return 1
- fi
-
- local base_dir="$1"
- local dir="$2"
-
- base_dir="$( traverse_path --exist --directory -- "$base_dir" )"
- dir="$( traverse_path --exist --directory -- "$dir" )"
-
- [ "$base_dir" = "$dir" ] && return 0
-
- local subpath="${dir##"$base_dir"/}"
-
- if [ "$subpath" = "$dir" ]; then
- dump "base directory: $base_dir" >&2
- dump "... is not a parent of: $dir" >&2
- return 1
- fi
-
- ( cd -- "$base_dir/" && rmdir -p --ignore-fail-on-non-empty -- "$subpath" )
-}
-
-unlink_entry() {
- local entry
- for entry; do
- local shared_path="${shared_paths[$entry]}"
- local symlink_path="${symlink_paths[$entry]}"
-
- rm -f -- "$symlink_path"
-
- local symlink_dir
- symlink_dir="$( dirname -- "$symlink_path" )"
- local var_name="${database[$entry]}"
- local symlink_var_dir
- symlink_var_dir="$( resolve_variable "$var_name" )"
- delete_obsolete_dirs "$symlink_var_dir" "$symlink_dir" || true
- done
-}
-
-symlink_present() {
- local entry
- for entry; do
- local symlink_path="${symlink_paths[$entry]}"
- test -L "$symlink_path" -o -e "$symlink_path"
- done
-}
-
-symlink_points_to_shared_file() {
- symlink_present "$@"
- local entry
- for entry; do
- local shared_path="${shared_paths[$entry]}"
- shared_path="$( traverse_path -- "$shared_path" )"
- local symlink_path="${symlink_paths[$entry]}"
- local target_path
- target_path="$( traverse_path -- "$symlink_path" )"
- test "$target_path" = "$shared_path"
- done
-}
-
-shared_file_present() {
- local entry
- for entry; do
- local shared_path="${shared_paths[$entry]}"
- test -L "$shared_path" -o -e "$shared_path"
- done
-}
-
-link_all_entries() {
- local -a shared_var_dirs=()
- local shared_var_dir
-
- find "$shared_root_dir" \
- -mindepth 1 -maxdepth 1 \
- -\( -type d -o -type l -\) \
- -regextype posix-basic \
- -regex ".*/$var_name_regex\$" \
- -printf '%P\0' |
- while IFS= read -d '' -r shared_var_dir; do
- shared_var_dirs+=("$shared_var_dir")
- done
-
- for shared_var_dir in ${shared_var_dirs[@]+"${shared_var_dirs[@]}"}; do
- dump "shared directory: $shared_root_dir$shared_var_dir"
- local shared_path
-
- find "$shared_root_dir$shared_var_dir/" -\( -type f -o -type l -\) -print0 |
- while IFS= read -d '' -r shared_path; do
- dump " shared file path: $shared_path"
- local entry="${shared_path:${#shared_root_dir}}"
- add_entry "$entry" > /dev/null
- dump " symlink path: ${symlink_paths[$entry]}"
-
- if symlink_present "$entry"; then
- if symlink_points_to_shared_file "$entry"; then
- dump ' ... up-to-date'
- else
- dump " ... not a symlink or doesn't point to the shared file, adding a symlink"
- is_dry_run || link_entry "$entry"
- fi
- else
- dump ' ... adding a symlink'
- is_dry_run || link_entry "$entry"
- fi
- done
- done
-}
-
-unlink_all_entries() {
- local entry
- for entry in "${!database[@]}"; do
- dump "entry: $entry"
- local shared_path="${shared_paths[$entry]}"
- local symlink_path="${symlink_paths[$entry]}"
- dump " shared file path: $shared_path"
- dump " symlink path: $symlink_path"
-
- if symlink_points_to_shared_file "$entry"; then
- dump ' ... removing the symlink'
- is_dry_run || unlink_entry "$entry"
- remove_entry "$entry"
- else
- dump " ... not a symlink or doesn't point to the shared file"
- remove_entry "$entry"
- fi
- done
-}
-
-unlink_obsolete_entries() {
- local entry
- for entry in "${!database[@]}"; do
- dump "entry: $entry"
- local shared_path="${shared_paths[$entry]}"
- local symlink_path="${symlink_paths[$entry]}"
- dump " shared file path: $shared_path"
- dump " symlink path: $symlink_path"
-
- if symlink_points_to_shared_file "$entry"; then
- if shared_file_present "$entry"; then
- dump ' ... up-to-date'
- else
- dump ' ... obsolete'
- is_dry_run || unlink_entry "$entry"
- remove_entry "$entry"
- fi
- else
- dump " ... not a symlink or doesn't point to the shared file"
- remove_entry "$entry"
- fi
- done
-}
-
-parse_mode() {
- if [ "$#" -ne 1 ]; then
- echo "usage: ${FUNCNAME[0]} MODE" >&2
- return 1
- fi
-
- local mode="$1"
- shift
-
- if [ -z "$mode" ]; then
- dump "mode cannot be empty" >&2
- return 1
- fi
-
- echo "$mode"
-}
-
-chmod_entries() {
- if [ "$#" -ne 1 ]; then
- echo "usage: ${FUNCNAME[0]} MODE" >&2
- return 1
- fi
-
- local mode="$1"
- shift
-
- dump "applying mode $mode to shared files..."
- if [ "${#shared_paths[@]}" -ne 0 ]; then
- is_dry_run || chmod -- "$mode" ${shared_paths[@]+"${shared_paths[@]}"}
- fi
-}
diff --git a/src/os.sh b/src/os.sh
deleted file mode 100644
index 01d70f4..0000000
--- a/src/os.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
-# This file is part of the "Config file sharing" project.
-# For details, see https://github.com/egor-tensin/config-links.
-# Distributed under the MIT License.
-
-# Mostly Cygwin-related stuff
-
-is_cygwin() {
- test "$OSTYPE" == 'cygwin'
-}
-
-check_symlinks_enabled_cygwin() {
- case "${CYGWIN-}" in
- *winsymlinks:nativestrict*) ;;
- *winsymlinks:native*) ;;
-
- *)
- dump "native Windows symlinks aren't enabled in Cygwin" >&2
- return 1
- ;;
- esac
-}
-
-check_symlinks_enabled() {
- if is_cygwin; then
- check_symlinks_enabled_cygwin
- else
- return 0
- fi
-}
diff --git a/src/path.sh b/src/path.sh
deleted file mode 100644
index 4fcdb94..0000000
--- a/src/path.sh
+++ /dev/null
@@ -1,94 +0,0 @@
-# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
-# This file is part of the "Config file sharing" project.
-# For details, see https://github.com/egor-tensin/config-links.
-# Distributed under the MIT License.
-
-# Making sure paths point to files/directories
-
-_traverse_path_usage() {
- local prefix="${FUNCNAME[0]}"
- [ "${#FUNCNAME[@]}" -gt 1 ] && prefix="${FUNCNAME[1]}"
-
- local msg
- for msg; do
- echo "$prefix: $msg"
- done
-
- echo "usage: $prefix [-h|--help] [-0|--null|-z|--zero] [-e|--exist] [-f|--file] [-d|--directory] [--] [PATH]..."
-}
-
-traverse_path() {
- local -a paths=()
-
- local must_exist=
- local type_flag=
- local type_name=
-
- local fmt='%s\n'
-
- while [ "$#" -gt 0 ]; do
- local key="$1"
- shift
-
- case "$key" in
- -h|--help)
- _traverse_path_usage
- return 0
- ;;
- -0|--null|-z|--zero)
- fmt='%s\0'
- ;;
- --)
- break
- ;;
- -e|--exist)
- must_exist=1
- ;;
- -d|--directory)
- type_flag=-d
- type_name="directory"
- ;;
- -f|--file)
- type_flag=-f
- type_name="regular file"
- ;;
- -*)
- _traverse_path_usage "unrecognized parameter: $key" >&2
- return 1
- ;;
- *)
- paths+=("$key")
- ;;
- esac
- done
-
- paths+=("$@")
-
- [ "${#paths[@]}" -eq 0 ] && return 0
-
- if is_cygwin; then
- local i
- for i in "${!paths[@]}"; do
- paths[$i]="$( cygpath -- "${paths[$i]}" )"
- done
- fi
-
- local -a abs_paths=()
-
- local path
- readlink -z --canonicalize-missing -- ${paths[@]+"${paths[@]}"} | while IFS= read -d '' -r path; do
- if [ -n "$must_exist" ] && [ ! -e "$path" ]; then
- dump "must exist: $path" >&2
- return 1
- fi
-
- if [ -e "$path" ] && [ -n "$type_flag" ] && ! test "$type_flag" "$path"; then
- dump "must be a $type_name: $path" >&2
- return 1
- fi
-
- abs_paths+=("$path")
- done
-
- printf -- "$fmt" ${abs_paths[@]+"${abs_paths[@]}"}
-}
diff --git a/src/vars.sh b/src/vars.sh
deleted file mode 100644
index 97b8da9..0000000
--- a/src/vars.sh
+++ /dev/null
@@ -1,59 +0,0 @@
-# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
-# This file is part of the "Config file sharing" project.
-# For details, see https://github.com/egor-tensin/config-links.
-# Distributed under the MIT License.
-
-# Variable resolution
-
-declare -A cached_paths
-
-readonly root_var_name='CONFIG_LINKS_ROOT'
-
-resolve_variable() {
- if [ "$#" -ne 1 ]; then
- echo "usage: ${FUNCNAME[0]} VAR_NAME" >&2
- return 1
- fi
-
- local var_name="$1"
-
- if [ -n "${cached_paths[$var_name]+x}" ]; then
- echo "${cached_paths[$var_name]}"
- return 0
- fi
-
- if [ "$var_name" = "$root_var_name" ]; then
- echo '/'
- return 0
- fi
-
- if [ -z "${!var_name+x}" ]; then
- dump "variable is not set: $var_name" >&2
- return 1
- fi
-
- local var_path="${!var_name}"
- traverse_path --exist --directory -- "$var_path"
-}
-
-cache_variable() {
- local var_name
- for var_name; do
- [ -n "${cached_paths[$var_name]+x}" ] && continue
- cached_paths[$var_name]="$( resolve_variable "$var_name" )"
- done
-}
-
-readonly var_name_regex='%\([_[:alpha:]][_[:alnum:]]*\)%'
-
-extract_variable_name() {
- local s
- for s; do
- local var_name
- if ! var_name="$( expr "$s" : "$var_name_regex/" )"; then
- dump "couldn't extract variable name from: $s" >&2
- return 1
- fi
- echo "$var_name"
- done
-}
generated by cgit v1.3 (git 2.53.0) at 2026-10-25 09:02:39 +0000