Add edit command

src/adr-edit

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -e
+eval "$($(dirname $0)/adr-config)"
+
+## usage: adr edit [ADR_NUMBER]
+
+## The last ADR, or the specified ADR NUMBER, is opened for
+## editing in the editor specified by the VISUAL or EDITOR
+## environment variable (VISUAL is preferred; EDITOR is
+## used if VISUAL is not set).
+
+if [ ! -z "$1" ]
+then
+   editid=$(printf "%04d" $1)
+fi
+
+if [[ -z "$VISUAL" && -z "$EDITOR" ]]
+then
+   echo "ERROR: editor not configured"
+   exit 1
+fi
+
+dstdir=$("$adr_bin_dir/_adr_dir")
+
+if [[ -d $dstdir && -z "$editid" ]]
+then
+    editid=$(ls $dstdir | grep -Eo '^[0-9]+' | sort -rn | head -1)
+fi
+
+dstfile=$dstdir/$editid-*.md
+
+if [ -e $dstfile ]
+then
+   ${VISUAL:-${EDITOR:-true}} $dstfile
+else
+   echo "ERROR: ADR $editid not found"
+   exit 1
+fi 

tests/autocomplete.expected

@@ -1,5 +1,5 @@
 _adr_autocomplete adr
-config generate help init link list new upgrade-repository
+config edit generate help init link list new upgrade-repository
 _adr_autocomplete adr li
 link list
 _adr_autocomplete adr generate

tests/edit-adr.expected

@@ -0,0 +1,31 @@
+adr init architecture-log
+architecture-log/0001-record-architecture-decisions.md
+adr new First Record
+architecture-log/0002-first-record.md
+
+export VISUAL
+export EDITOR
+
+if adr edit
+then
+  echo ERROR: should have failed
+fi
+ERROR: editor not configured
+
+VISUAL=
+EDITOR=fake-editor
+adr edit
+EDITOR architecture-log/0002-first-record.md
+
+VISUAL=fake-visual
+EDITOR=
+adr edit
+VISUAL architecture-log/0002-first-record.md
+
+VISUAL=fake-visual
+EDITOR=fake-editor
+adr edit
+VISUAL architecture-log/0002-first-record.md
+
+adr edit 1
+VISUAL architecture-log/0001-record-architecture-decisions.md

tests/edit-adr.sh

@@ -0,0 +1,24 @@
+adr init architecture-log
+adr new First Record
+
+export VISUAL
+export EDITOR
+
+if adr edit
+then
+  echo ERROR: should have failed
+fi
+
+VISUAL=
+EDITOR=fake-editor
+adr edit
+
+VISUAL=fake-visual
+EDITOR=
+adr edit
+
+VISUAL=fake-visual
+EDITOR=fake-editor
+adr edit
+
+adr edit 1