Analyze subdirectories and show key development details at a glance.

glance.sh

#!/usr/bin/env bash

usage() {
    cat <<EOF
Usage: glance <directory>

Analyze subdirectories and show key development details at a glance.

Columns: Name, Git, URL, Changes, Last Commit, Last Changed, Size
EOF
    exit 0
}

[[ $# -eq 0 || "$1" == "-h" ]] && usage

TARGET="${1%/}"

if [[ ! -d "$TARGET" ]]; then
    echo "Error: '$TARGET' is not a directory" >&2
    exit 1
fi

IS_MAC=false
[[ "$(uname)" == "Darwin" ]] && IS_MAC=true

transform_git_url() {
    local url="$1"
    url="${url%.git}"
    if [[ "$url" =~ ^git@ ]]; then
        url="${url#git@}"
        url="https://${url/://}"
    fi
    echo "$url"
}

format_epoch() {
    local epoch="$1"
    if $IS_MAC; then
        date -r "$epoch" "+%Y-%m-%d" 2>/dev/null || echo "-"
    else
        date -d "@$epoch" "+%Y-%m-%d" 2>/dev/null || echo "-"
    fi
}

last_modified() {
    local dir="$1"
    local epoch
    if $IS_MAC; then
        epoch=$(find "$dir" -type f -not -path '*/.*' -print0 2>/dev/null | xargs -0 stat -f "%m" 2>/dev/null | sort -rn | head -1)
    else
        epoch=$(find "$dir" -type f -not -path '*/.*' -printf "%T@\n" 2>/dev/null | sort -rn | head -1 | cut -d. -f1)
    fi
    if [[ -n "$epoch" ]]; then
        format_epoch "$epoch"
    else
        echo "-"
    fi
}

dir_size() {
    du -sh "$1" 2>/dev/null | cut -f1 || echo "-"
}

HEADERS=("NAME" "GIT" "URL" "CHANGES" "LAST COMMIT" "LAST CHANGED" "SIZE")
rows=()

while IFS= read -r -d '' subdir; do
    name=$(basename "$subdir")

    git_val="no"
    url_val="-"
    changes_val="-"
    commit_val="-"

    if [[ -d "$subdir/.git" ]]; then
        git_val="yes"

        raw_url=$(git -C "$subdir" remote get-url origin 2>/dev/null || true)
        if [[ -n "$raw_url" ]]; then
            url_val=$(transform_git_url "$raw_url")
        fi

        if [[ -z "$(git -C "$subdir" status --porcelain 2>/dev/null)" ]]; then
            changes_val="no"
        else
            changes_val="yes"
        fi

        commit_epoch=$(git -C "$subdir" log -1 --format="%ct" 2>/dev/null || true)
        if [[ -n "$commit_epoch" ]]; then
            commit_val=$(format_epoch "$commit_epoch")
        fi
    fi

    changed_val=$(last_modified "$subdir")
    size_val=$(dir_size "$subdir")

    rows+=("$name|$git_val|$url_val|$changes_val|$commit_val|$changed_val|$size_val")
done < <(find "$TARGET" -maxdepth 1 -mindepth 1 -type d -not -name '.*' -print0 | sort -z)

if [[ ${#rows[@]} -eq 0 ]]; then
    echo "No subdirectories found in '$TARGET'"
    exit 0
fi

ncols=${#HEADERS[@]}
widths=()
for h in "${HEADERS[@]}"; do
    widths+=(${#h})
done

for row in "${rows[@]}"; do
    IFS='|' read -ra fields <<< "$row"
    for i in "${!fields[@]}"; do
        len=${#fields[$i]}
        if [[ $len -gt ${widths[$i]} ]]; then
            widths[$i]=$len
        fi
    done
done

header_line=""
sep_line=""
for i in "${!HEADERS[@]}"; do
    w=${widths[$i]}
    pad=$(printf '%*s' "$w" '')
    header_line+=$(printf "%-${w}s" "${HEADERS[$i]}")
    sep_line+="${pad// /-}"
    if [[ $i -lt $((ncols - 1)) ]]; then
        header_line+="  "
        sep_line+="  "
    fi
done
echo "$header_line"
echo "$sep_line"

for row in "${rows[@]}"; do
    IFS='|' read -ra fields <<< "$row"
    line=""
    for i in "${!fields[@]}"; do
        line+=$(printf "%-${widths[$i]}s" "${fields[$i]}")
        if [[ $i -lt $((ncols - 1)) ]]; then
            line+="  "
        fi
    done
    echo "$line"
done

Spec by me, code from Claude Code