From 91ccccb4204457349fff4c55c3bb0d9c85a5e342 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Sun, 10 Apr 2022 08:53:55 -0700
Subject: prefer match at start of version

---
 rbpm.sh | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'rbpm.sh')

diff --git a/rbpm.sh b/rbpm.sh
index 290b9f1..619fc03 100755
--- a/rbpm.sh
+++ b/rbpm.sh
@@ -4,7 +4,7 @@
 # Distributed under the terms of the MIT License.
 #
 # rbpm (ruby path mangler)
-# https://github.com/omp/rbpm
+# https://git.potato.am/rbpm.git/
 # Manage multiple Ruby installations with no black magic.
 #
 # In order to prevent environment pollution, the output of this script
@@ -16,7 +16,7 @@
 # Placing the above function inside ~/.bashrc (or equivalent) will load
 # it upon starting your shell.
 
-RBPM_VERSION='0.1'
+RBPM_VERSION='0.2'
 
 : ${RUBIES_PATH:="${HOME}/.rubies"}
 
@@ -121,17 +121,26 @@ rbpm_get() {
 rbpm_set() {
     [[ -n "${1}" ]] || _die 'set command requires an argument.'
 
-    local dir dirs match
+    local dir dirs match match_start
 
     _populate_dirs
 
     for dir in "${dirs[@]}"; do
         if [[ "${dir##*/}" == *"${1}"* ]]; then
             match="${dir}"
+
+            # Match from start of version is preferred. We assume the version
+            # is at the beginning of the directory name or following a hyphen.
+            # This avoids surprising behaviour like `2.1' matching `2.2.1' over
+            # `2.1.0'.
+            if [[ "${dir##*/}" == "${1}"* || "${dir##*/}" == *-"${1}"* ]]; then
+                match_start="${dir}"
+            fi
         fi
     done
 
     [[ -n "${match}" ]] || _die 'no matching ruby found.'
+    [[ -n "${match_start}" ]] && match="${match_start}"
 
     _clear
     _add "${match}"
-- 
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